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433 lines
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433 lines
242 KiB
XML
2 years ago
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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
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<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="H01Q" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>H01Q</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>ANTENNAS, i.e. RADIO AERIALS </text><reference><text>radiators or antennas for microwave heating <class-ref scheme="cpc">H05B6/72</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> This subclass <u>covers</u>: <subnote type="bullet"><note-paragraph> in addition to the primary active radiating elements, <subnote type="roman"><note-paragraph> secondary devices for absorbing or for modifying the direction or polarisation of waves radiated from antennas, and </note-paragraph><note-paragraph> combinations with auxiliary devices such as earthing switches, lead-in devices, and lightning protectors; </note-paragraph></subnote></note-paragraph><note-paragraph> both transmitting and receiving antennas. </note-paragraph></subnote></note-paragraph><note-paragraph> This subclass <u>does not cover</u> devices of the waveguide type, such as resonators or lines, not designed as radiating elements, which are covered by subclass <class-ref scheme="cpc">H01P</class-ref>. </note-paragraph><note-paragraph> In this subclass, the following expression is used with the meaning indicated: <subnote type="bullet"><note-paragraph> "active radiating element" covers corresponding parts of a receiving antenna.</note-paragraph></subnote></note-paragraph></note><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="H01Q1/00" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q1/00" definition-exists="true" ipc-concordant="H01Q1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Details of, or arrangements associated with, antennas </text><reference><text>arrangements for varying orientation of directional pattern <class-ref scheme="cpc">H01Q3/00</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> This group <u>covers</u> only: <subnote type="bullet"><note-paragraph> structural details or features of antennas not dependent on electric operation;</note-paragraph><note-paragraph> structural details or features applicable to more than one type of  antenna or antenna element. </note-paragraph></subnote></note-paragraph><note-paragraph> Structural details or features described with reference to, or clearly applicable only to,  antennas or antenna elements of a particular type are classified in the group appropriate to that type </note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/002" definition-exists="true" ipc-concordant="H01Q1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/002</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>Protection against seismic waves, thermal radiation or other disturbances, e.g. nuclear explosion; Arrangements for improving the power handling capability of an antenna</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/005" definition-exists="true" ipc-concordant="H01Q1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/005</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>Damping of vibrations; Means for reducing wind-induced forces</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/007" definition-exists="true" ipc-concordant="H01Q1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for indoor communication</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/02" definition-exists="true" ipc-concordant="H01Q1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/02</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Arrangements for de-icing</text></title-part><title-part><text>Arrangements for drying-out </text><CPC-specific-text><text>; Arrangements for cooling; Arrangements for preventing corrosion</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/04" definition-exists="true" ipc-concordant="H01Q1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adaptation for subterranean or subaqueous use</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/06" definition-exists="true" ipc-concordant="H01Q1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/06</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Means for the lighting or illuminating of antennas, e.g. for purpose of warning</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/08" definition-exists="true" ipc-concordant="H01Q1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/08</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Means for collapsing antennas or parts thereof </text><reference><text>collapsible loop antennas <class-ref scheme="cpc">H01Q7/02</class-ref>; means for collapsing H-antennas or Yagi antennas <class-ref scheme="cpc">H01Q19/04</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/081" definition-exists="true" ipc-concordant="H01Q1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inflatable antennas</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/082" definition-exists="true" ipc-concordant="H01Q1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/082</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>Balloon antennas</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/084" definition-exists="true" ipc-concordant="H01Q1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/084</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>Pivotable antennas</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/085" definition-exists="true" ipc-concordant="H01Q1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flexible aerials; Whip aerials with a resilient base</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/087" definition-exists="true" ipc-concordant="H01Q1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Extensible roll- up aerials</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/088" definition-exists="true" ipc-concordant="H01Q1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Quick-releasable antenna elements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/10" definition-exists="true" ipc-concordant="H01Q1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Telescopic elements</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/103" definition-exists="true" ipc-concordant="H01Q1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Latching means; ensuring extension or retraction thereof</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/106" definition-exists="true" ipc-concordant="H01Q1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for locking or protecting against unauthorized extraction</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/12" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/12</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Supports</text></title-part><title-part><text>Mounting means</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/1207" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/1207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for fastening a rigid aerial element</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/1214" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/1214</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>through a wall</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/1221" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/1221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>onto a wall</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/1228" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/1228</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>on a boom</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/1235" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/1235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Collapsible supports; Means for erecting a rigid antenna</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/1242" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/1242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rigid masts specially adapted for supporting an aerial</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/125" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/125</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>Means for positioning</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/1257" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/1257</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>using the received signal strength</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/1264" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/1264</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adjusting different parts or elements of an aerial unit</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/1271" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/1271</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for mounting on windscreens</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/1278" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/1278</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in association with heating wires or layers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/1285" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/1285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with capacitive feeding through the windscreen</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/1292" definition-exists="true" ipc-concordant="H01Q1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/1292</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for mounting on balloons</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/14" definition-exists="true" ipc-concordant="H01Q1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for wire or other non-rigid radiating elements</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/16" definition-exists="true" ipc-concordant="H01Q1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Strainers, spreaders, or spacers</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/18" definition-exists="true" ipc-concordant="H01Q1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/18</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Means for stabilising antennas on an unstable platform</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/185" definition-exists="true" ipc-concordant="H01Q1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/185</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>by electronic means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/20" definition-exists="true" ipc-concordant="H01Q1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Resilient mountings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/22" definition-exists="true" ipc-concordant="H01Q1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/22</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>by structural association with other equipment or articles</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/2208" definition-exists="true" ipc-concordant="H01Q1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/2208</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems </text><reference><text>methods or arrangements for sensing record carriers, e.g. for reading patterns <class-ref scheme="cpc">G06K7/00</class-ref>; record carrier for use with machines and with at least a part designed to carry digital markings <class-ref scheme="cpc">G06K19/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/2216" definition-exists="true" ipc-concordant="H01Q1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/2216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>used in interrogator/reader equipment</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/2225" definition-exists="true" ipc-concordant="H01Q1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/2225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/2233" definition-exists="true" ipc-concordant="H01Q1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/2233</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>used in consumption-meter devices, e.g. electricity, gas or water meters</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/2241" definition-exists="true" ipc-concordant="H01Q1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/2241</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>used in or for vehicle tyres</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/225" definition-exists="true" ipc-concordant="H01Q1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/225</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>used in level-measurement devices, e.g. for level gauge measurement</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/2258" definition-exists="true" ipc-concordant="H01Q1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/2258</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>used with computer equipment</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/2266" definition-exists="true" ipc-concordant="H01Q1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/2266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>disposed inside the computer</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/2275" definition-exists="true" ipc-concordant="H01Q1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/2275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>associated to expansion card or bus, e.g. in PCMCIA, PC cards, Wireless USB</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/2283" definition-exists="true" ipc-concordant="H01Q1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/2283</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/2291" definition-exists="true" ipc-concordant="H01Q1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/2291</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>used in bluetooth or WI-FI devices of Wireless Local Area Networks [WLAN] </text><reference><text><class-ref scheme="cpc">H01Q1/241</class-ref> takes precedence; WLAN in general <class-ref scheme="cpc">H04W</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/24" definition-exists="true" ipc-concordant="H01Q1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with receiving set</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/241" definition-exists="true" ipc-concordant="H01Q1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/241</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>used in mobile communications, e.g. GSM </text><reference><text><class-ref scheme="cpc">H01Q1/247</class-ref>, <class-ref scheme="cpc">H01Q1/248</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01Q1/242" definition-exists="true" ipc-concordant="H01Q1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for hand-held use</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01Q1/243" definition-exists="true" ipc-concordant="H01Q1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with built-in antennas</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H01Q1/244" definition-exists="true" ipc-concordant="H01Q1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/244</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>extendable from a housing along a given path</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01Q1/245" definition-exists="true" ipc-concordant="H01Q1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for shaping the antenna pattern, e.g. in order to protect user against rf exposure</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01Q1/246" definition-exists="true" ipc-concordant="H01Q1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for base stations</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/247" definition-exists="true" ipc-concordant="H01Q1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/247</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>with frequency mixer, e.g. for direct satellite reception or Doppler radar</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/248" definition-exists="true" ipc-concordant="H01Q1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/248</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with an AC/DC converting device, e.g. rectennas</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/26" definition-exists="true" ipc-concordant="H01Q1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with electric discharge tube</text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/27" definition-exists="true" ipc-concordant="H01Q1/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/27</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Adaptation for use in or on movable bodies </text><reference><text><class-ref scheme="cpc">H01Q1/08</class-ref>, <class-ref scheme="cpc">H01Q1/12</class-ref>, <class-ref scheme="cpc">H01Q1/18</class-ref> take precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/273" definition-exists="true" ipc-concordant="H01Q1/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/273</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adaptation for carrying or wearing by persons or animals</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/276" definition-exists="true" ipc-concordant="H01Q1/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/276</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for mounting on helmets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/28" definition-exists="true" ipc-concordant="H01Q1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adaptation for use in or on aircraft, missiles, satellites, or balloons</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/281" definition-exists="true" ipc-concordant="H01Q1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nose antennas</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/282" definition-exists="true" ipc-concordant="H01Q1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/282</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Modifying the aerodynamic properties of the vehicle, e.g. projecting type aerials</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/283" definition-exists="true" ipc-concordant="H01Q1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Blade, stub antennas</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/285" definition-exists="true" ipc-concordant="H01Q1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aircraft wire antennas </text><reference><text>means for trailing <class-ref scheme="cpc">H01Q1/30</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/286" definition-exists="true" ipc-concordant="H01Q1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>substantially flush mounted with the skin of the craft</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/287" definition-exists="true" ipc-concordant="H01Q1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/287</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>integrated in a wing or a stabiliser</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/288" definition-exists="true" ipc-concordant="H01Q1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Satellite antennas</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/30" definition-exists="true" ipc-concordant="H01Q1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/30</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Means for trailing antennas</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/32" definition-exists="true" ipc-concordant="H01Q1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/32</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Adaptation for use in or on road or rail vehicles</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/3208" definition-exists="true" ipc-concordant="H01Q1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/3208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the application wherein the antenna is used</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/3216" definition-exists="true" ipc-concordant="H01Q1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/3216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where the road or rail vehicle is only used as transportation means</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/3225" definition-exists="true" ipc-concordant="H01Q1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/3225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooperation with the rails or the road</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/3233" definition-exists="true" ipc-concordant="H01Q1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/3233</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01Q1/3241" definition-exists="true" ipc-concordant="H01Q1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/3241</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>particular used in keyless entry systems</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/325" definition-exists="true" ipc-concordant="H01Q1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the location of the antenna on the vehicle</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/3258" definition-exists="true" ipc-concordant="H01Q1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/3258</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using the gutter of the vehicle; Means for clamping a whip aerial on the edge of a part of the vehicle</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/3266" definition-exists="true" ipc-concordant="H01Q1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/3266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using the mirror of the vehicle</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/3275" definition-exists="true" ipc-concordant="H01Q1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/3275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/3283" definition-exists="true" ipc-concordant="H01Q1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/3283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>side-mounted antennas, e.g. bumper-mounted, door-mounted </text><reference><text>mounted on windscreens <class-ref scheme="cpc">H01Q1/1271</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q1/3291" definition-exists="true" ipc-concordant="H01Q1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/3291</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mounted in or on other locations inside the vehicle or vehicle body</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/34" definition-exists="true" ipc-concordant="H01Q1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/34</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Adaptation for use in or on ships, submarines, buoys or torpedoes </text><reference><text>for subaqueous use <class-ref scheme="cpc">H01Q1/04</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/36" definition-exists="true" ipc-concordant="H01Q1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Structural form of radiating elements, e.g. cone, spiral, umbrella; </text><CPC-specific-text><text>Particular materials used therewith</text></CPC-specific-text><reference><text><class-ref scheme="cpc">H01Q1/08</class-ref>, <class-ref scheme="cpc">H01Q1/14</class-ref> take precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/362" definition-exists="true" ipc-concordant="H01Q1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/362</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for broadside radiating helical antennas</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/364" definition-exists="true" ipc-concordant="H01Q1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>H01Q1/364</classification-symbol><class-title date-revised="2018-01-01"><title-part><CPC-specific-text><text>using a particular conducting material, e.g. superconductor</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/366" definition-exists="true" ipc-concordant="H01Q1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an ionized gas</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/368" definition-exists="true" ipc-concordant="H01Q1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/368</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using carbon or carbon composite</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/38" definition-exists="true" ipc-concordant="H01Q1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/38</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>formed by a conductive layer on an insulating support </text><CPC-specific-text><reference><text>patch antennas <class-ref scheme="cpc">H01Q9/0407</class-ref>; microstrip dipole antennas <class-ref scheme="cpc">H01Q9/065</class-ref>; microstrip slot antennas <class-ref scheme="cpc">H01Q13/106</class-ref>; transmission line microstrip antennas <class-ref scheme="cpc">H01Q13/206</class-ref>; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface  <class-ref scheme="cpc">H01Q15/142</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/40" definition-exists="true" ipc-concordant="H01Q1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Radiating elements coated with or embedded in protective material</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/405" definition-exists="true" ipc-concordant="H01Q1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radome integrated radiating elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/42" definition-exists="true" ipc-concordant="H01Q1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Housings not intimately mechanically associated with radiating elements, e.g. radome</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/421" definition-exists="true" ipc-concordant="H01Q1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/421</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for correcting aberrations introduced by a radome</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/422" definition-exists="true" ipc-concordant="H01Q1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising two or more layers of dielectric material </text><reference><text><class-ref scheme="cpc">H01Q1/425</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/424" definition-exists="true" ipc-concordant="H01Q1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/424</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a layer of expanded material</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/425" definition-exists="true" ipc-concordant="H01Q1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a metallic grid</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/427" definition-exists="true" ipc-concordant="H01Q1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flexible radomes</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/428" definition-exists="true" ipc-concordant="H01Q1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/428</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Collapsible radomes; rotatable, tiltable radomes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/44" definition-exists="true" ipc-concordant="H01Q1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/44</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>using equipment having another main function to serve additionally as an antenna </text><CPC-specific-text><text>, e.g. means for giving an antenna an aesthetic aspect</text></CPC-specific-text><reference><text><class-ref scheme="cpc">H01Q1/27</class-ref> - <class-ref scheme="cpc">H01Q1/34</class-ref> take precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/46" definition-exists="true" ipc-concordant="H01Q1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/46</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Electric supply lines or communication lines</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/48" definition-exists="true" ipc-concordant="H01Q1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/48</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Earthing means</text></title-part><title-part><text>Earth screens</text></title-part><title-part><text>Counterpoises</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/50" definition-exists="true" ipc-concordant="H01Q1/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/50</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Structural association of antennas with earthing switches, lead-in devices or lightning protectors</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q1/52" definition-exists="true" ipc-concordant="H01Q1/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/52</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Means for reducing coupling between antennas</text></title-part><title-part><text>Means for reducing coupling between an antenna and another structure </text><reference><text>absorbing means <class-ref scheme="cpc">H01Q17/00</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/521" definition-exists="true" ipc-concordant="H01Q1/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/521</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>reducing the coupling between adjacent antennas</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/523" definition-exists="true" ipc-concordant="H01Q1/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q1/523</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>between antennas of an array</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q1/525" definition-exists="true" ipc-concordant="H01Q1/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/525</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>between emitting and receiving antennas</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/526" definition-exists="true" ipc-concordant="H01Q1/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/526</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>Electromagnetic shields</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q1/528" definition-exists="true" ipc-concordant="H01Q1/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q1/528</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>reducing the re-radiation of a support structure </text><reference><text>in a parabolic reflector antenna <class-ref scheme="cpc">H01Q19/023</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q3/00" definition-exists="true" ipc-concordant="H01Q3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q3/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system </text><CPC-specific-text><reference><text>means for positioning <class-ref scheme="cpc">H01Q1/125</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q3/005" definition-exists="true" ipc-concordant="H01Q3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q3/005</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>using remotely controlled antenna positioning or scanning</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q3/01" definition-exists="true" ipc-concordant="H01Q3/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q3/01</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>varying the shape of the antenna or antenna system</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q3/02" definition-exists="true" ipc-concordant="H01Q3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q3/02</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>using mechanical movement of antenna or antenna system as a whole</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/04" definition-exists="true" ipc-concordant="H01Q3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for varying one co-ordinate of the orientation</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q3/06" definition-exists="true" ipc-concordant="H01Q3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>over a restricted angle</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/08" definition-exists="true" ipc-concordant="H01Q3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for varying two co-ordinates of the orientation</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q3/10" definition-exists="true" ipc-concordant="H01Q3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to produce a conical or spiral scan</text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q3/12" definition-exists="true" ipc-concordant="H01Q3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q3/12</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/14" definition-exists="true" ipc-concordant="H01Q3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for varying the relative position of primary active element and a refracting or diffracting device</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/16" definition-exists="true" ipc-concordant="H01Q3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for varying relative position of primary active element and a reflecting device</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q3/18" definition-exists="true" ipc-concordant="H01Q3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the primary active element is movable and the reflecting device is fixed</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q3/20" definition-exists="true" ipc-concordant="H01Q3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the primary active element is fixed and the reflecting device is movable</text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q3/22" definition-exists="true" ipc-concordant="H01Q3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>varying the orientation in accordance with variation of frequency of radiated wave</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q3/24" definition-exists="true" ipc-concordant="H01Q3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/242" definition-exists="true" ipc-concordant="H01Q3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Circumferential scanning</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/245" definition-exists="true" ipc-concordant="H01Q3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in the focal plane of a focussing device</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/247" definition-exists="true" ipc-concordant="H01Q3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by switching different parts of a primary active element</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q3/26" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q3/26</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>varying the relative phase or relative amplitude of energisation between two or more active radiating elements</text></title-part><title-part><text>varying the distribution of energy across a radiating aperture </text><reference><CPC-specific-text><text><class-ref scheme="cpc">H01Q3/12</class-ref>,</text></CPC-specific-text><text> <class-ref scheme="cpc">H01Q3/22</class-ref>, <class-ref scheme="cpc">H01Q3/24</class-ref> take precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/2605" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q3/2605</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q3/2611" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2611</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for null steering; Adaptive interference nulling</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q3/2617" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2617</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Array of identical elements</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01Q3/2623" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2623</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>composed of two antennas</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q3/2629" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2629</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combination of a main antenna unit with an auxiliary antenna unit</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01Q3/2635" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2635</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the auxiliary unit being composed of a plurality of antennas</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01Q3/2641" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2641</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>being secundary elements, e.g. reactively steered</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q3/2647" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2647</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Retrodirective arrays</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q3/2652" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2652</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Self-phasing arrays</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/2658" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2658</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Phased-array fed focussing structure</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/2664" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2664</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>electrically moving the phase centre of a radiating element in the focal plane of a focussing device </text><reference><text>switching <class-ref scheme="cpc">H01Q3/245</class-ref>, phased-array feeds <class-ref scheme="cpc">H01Q3/2658</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/267" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q3/267</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>Phased-array testing or checking devices</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/2676" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q3/2676</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>Optically controlled phased array</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/2682" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2682</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Time delay steered arrays</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q3/2688" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2688</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using acoustic or magnetostatic wave devices</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q3/2694" definition-exists="true" ipc-concordant="H01Q3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/2694</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using also variable phase-shifters </text><reference><text><class-ref scheme="cpc">H01Q3/2688</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/28" definition-exists="true" ipc-concordant="H01Q3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>varying the amplitude</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/30" definition-exists="true" ipc-concordant="H01Q3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>varying the </text><CPC-specific-text><text>relative</text></CPC-specific-text><text> phase </text><CPC-specific-text><text>between the radiating elements of an array </text><reference><text><class-ref scheme="cpc">H01Q3/2605</class-ref>, <class-ref scheme="cpc">H01Q3/2658</class-ref>, <class-ref scheme="cpc">H01Q3/2682</class-ref>, <class-ref scheme="cpc">H01Q3/44</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q3/32" definition-exists="true" ipc-concordant="H01Q3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by mechanical means</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q3/34" definition-exists="true" ipc-concordant="H01Q3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by electrical means </text><reference><text>active lenses or reflecting arrays <class-ref scheme="cpc">H01Q3/46</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q3/36" definition-exists="true" ipc-concordant="H01Q3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q3/36</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>with variable phase-shifters</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01Q3/38" definition-exists="true" ipc-concordant="H01Q3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the phase-shifters being digital</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01Q3/385" definition-exists="true" ipc-concordant="H01Q3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/385</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Scan control logics</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q3/40" definition-exists="true" ipc-concordant="H01Q3/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with phasing matrix</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q3/42" definition-exists="true" ipc-concordant="H01Q3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using frequency-mixing </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H01Q3/2676</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q3/44" definition-exists="true" ipc-concordant="H01Q3/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/443" definition-exists="true" ipc-concordant="H01Q3/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/443</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>varying the phase velocity along a leaky transmission line </text><reference><text>frequency scanning <class-ref scheme="cpc">H01Q3/22</class-ref>; non-resonant leaky-waveguide or transmission-line aerials <class-ref scheme="cpc">H01Q13/20</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/446" definition-exists="true" ipc-concordant="H01Q3/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the radiating element being at the centre of one or more rings of auxiliary elements</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q3/46" definition-exists="true" ipc-concordant="H01Q3/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q3/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Active lenses or reflecting arrays</text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q5/00" definition-exists="true" ipc-concordant="H01Q5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q5/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements </text><reference><text>combinations of separate active antenna units operating in different wavebands and connected to a common feeder system <class-ref scheme="cpc">H01Q21/30</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q5/10" definition-exists="true" ipc-concordant="H01Q5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q5/10</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Resonant antennas</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q5/15" definition-exists="true" ipc-concordant="H01Q5/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q5/15</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>for operation of centre-fed antennas comprising one or more collinear, substantially straight or elongated active elements</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q5/20" definition-exists="true" ipc-concordant="H01Q5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/20</classification-symbol><class-title><title-part><text>characterised by the operating wavebands</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q5/22" definition-exists="true" ipc-concordant="H01Q5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/22</classification-symbol><class-title><title-part><text>RF wavebands combined with non-RF wavebands, e.g. infrared or optical</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q5/25" definition-exists="true" ipc-concordant="H01Q5/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/25</classification-symbol><class-title><title-part><text>Ultra-wideband [UWB] systems, e.g. multiple resonance systems</text></title-part><title-part><text>Pulse systems</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q5/28" definition-exists="true" ipc-concordant="H01Q5/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/28</classification-symbol><class-title><title-part><text>Arrangements for establishing polarisation or beam width over two or more different wavebands</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q5/30" definition-exists="true" ipc-concordant="H01Q5/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/30</classification-symbol><class-title><title-part><text>Arrangements for providing operation on different wavebands</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q5/307" definition-exists="false" ipc-concordant="H01Q5/307" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/307</classification-symbol><class-title><title-part><text>Individual or coupled radiating elements, each element being fed in an unspecified way</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q5/314" definition-exists="true" ipc-concordant="H01Q5/314" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/314</classification-symbol><class-title><title-part><text>using frequency dependent circuits or components, e.g. trap circuits or capacitors</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q5/321" definition-exists="false" ipc-concordant="H01Q5/321" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/321</classification-symbol><class-title><title-part><text>within a radiating element or between connected radiating elements</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q5/328" definition-exists="false" ipc-concordant="H01Q5/328" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/328</classification-symbol><class-title><title-part><text>between a radiating element and ground</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q5/335" definition-exists="true" ipc-concordant="H01Q5/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/335</classification-symbol><class-title><title-part><text>at the feed, e.g. for impedance matching</text></title-part></class-title></classification-item></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q5/342" definition-exists="true" ipc-concordant="H01Q5/342" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/342</classification-symbol><class-title><title-part><text>for different propagation modes </text><reference><text><class-ref scheme="cpc">H01Q5/314</class-ref> takes precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q5/35" definition-exists="true" ipc-concordant="H01Q5/35" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/35</classification-symbol><class-title><title-part><text>using two or more simultaneously fed points</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q5/357" definition-exists="false" ipc-concordant="H01Q5/357" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/357</classification-symbol><class-title><title-part><text>using a single feed point</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01Q5/364" definition-exists="true" ipc-concordant="H01Q5/364" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/364</classification-symbol><class-title><title-part><text>Creating multiple current paths</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H01Q5/371" definition-exists="true" ipc-concordant="H01Q5/371" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/371</classification-symbol><class-title><title-part><text>Branching current paths</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q5/378" definition-exists="true" ipc-concordant="H01Q5/378" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/378</classification-symbol><class-title><title-part><text>Combination of fed elements with parasitic elements</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q5/385" definition-exists="false" ipc-concordant="H01Q5/385" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/385</classification-symbol><class-title><title-part><text>Two or more parasitic elements</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q5/392" definition-exists="false" ipc-concordant="H01Q5/392" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/392</classification-symbol><class-title><title-part><text>the parasitic elements having dual-band or multi-band characteristics</text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q5/40" definition-exists="true" ipc-concordant="H01Q5/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/40</classification-symbol><class-title><title-part><text>Imbricated or interleaved structures</text></title-part><title-part><text>Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q5/42" definition-exists="true" ipc-concordant="H01Q5/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/42</classification-symbol><class-title><title-part><text>using two or more imbricated arrays </text><reference><text><class-ref scheme="cpc">H01Q5/49</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q5/45" definition-exists="true" ipc-concordant="H01Q5/45" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/45</classification-symbol><class-title><title-part><text>using two or more feeds in association with a common reflecting, diffracting or refracting device</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q5/47" definition-exists="true" ipc-concordant="H01Q5/47" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/47</classification-symbol><class-title><title-part><text>with a coaxial arrangement of the feeds</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q5/48" definition-exists="false" ipc-concordant="H01Q5/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q5/48</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Combinations of two or more dipole type antennas</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q5/49" definition-exists="true" ipc-concordant="H01Q5/49" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q5/49</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>with parasitic elements used for purposes other than for dual-band or multi-band, e.g. imbricated Yagi antennas</text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q5/50" definition-exists="true" ipc-concordant="H01Q5/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q5/50</classification-symbol><class-title><title-part><text>Feeding or matching arrangements for broad-band or multi-band operation</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q5/55" definition-exists="false" ipc-concordant="H01Q5/55" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q5/55</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>for horn or waveguide antennas</text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q7/00" definition-exists="true" ipc-concordant="H01Q7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q7/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q7/005" definition-exists="true" ipc-concordant="H01Q7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q7/005</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>with variable reactance for tuning the antenna</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q7/02" definition-exists="true" ipc-concordant="H01Q7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q7/02</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Collapsible antennas</text></title-part><title-part><text>Retractable antennas</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q7/04" definition-exists="true" ipc-concordant="H01Q7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q7/04</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Screened antennas </text><reference><text><class-ref scheme="cpc">H01Q7/02</class-ref>, <class-ref scheme="cpc">H01Q7/06</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q7/06" definition-exists="true" ipc-concordant="H01Q7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with core of ferromagnetic material </text><reference><text><class-ref scheme="cpc">H01Q7/02</class-ref> takes precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q7/08" definition-exists="true" ipc-concordant="H01Q7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q7/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ferrite rod or like elongated core</text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q9/00" definition-exists="true" ipc-concordant="H01Q9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q9/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q9/005" definition-exists="true" ipc-concordant="H01Q9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for radiating non-sinusoidal waves</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q9/02" definition-exists="true" ipc-concordant="H01Q9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q9/02</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Non-resonant antennas</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q9/04" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q9/04</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Resonant antennas</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q9/0407" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/0407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Substantially flat resonant element parallel to ground plane, e.g. patch antenna </text><reference><text>dipole <class-ref scheme="cpc">H01Q9/285</class-ref>; monopole <class-ref scheme="cpc">H01Q9/40</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/0414" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/0414</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a stacked or folded configuration</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/0421" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/0421</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a shorting wall or a shorting pin at one end of the element </text><reference><text><class-ref scheme="cpc">H01Q9/0414</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/0428" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/0428</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radiating a circular polarised wave</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/0435" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/0435</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using two feed points</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/0442" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/0442</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with particular tuning means</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/045" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with particular feeding means </text><reference><text>for circular polarisation <class-ref scheme="cpc">H01Q9/0428</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/0457" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/0457</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>electromagnetically coupled to the feed line</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/0464" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/0464</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Annular ring patch</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/0471" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/0471</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Non-planar, stepped or wedge-shaped patch</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/0478" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/0478</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for suppressing spurious modes, e.g. cross polarisation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q9/0485" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/0485</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dielectric resonator antennas</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/0492" definition-exists="true" ipc-concordant="H01Q9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/0492</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>circularly polarised</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q9/06" definition-exists="true" ipc-concordant="H01Q9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/065" definition-exists="true" ipc-concordant="H01Q9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Microstrip dipole antennas </text><reference><text>patch antenna <class-ref scheme="cpc">H01Q9/0407</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/08" definition-exists="true" ipc-concordant="H01Q9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Junction boxes specially adapted for supporting adjacent ends of collinear rigid elements</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/10" definition-exists="true" ipc-concordant="H01Q9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Junction boxes specially adapted for supporting adjacent ends of divergent elements</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/12" definition-exists="true" ipc-concordant="H01Q9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adapted for adjustment of angle between elements</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/14" definition-exists="true" ipc-concordant="H01Q9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Length of element or elements adjustable </text><reference><text>telescopic elements <class-ref scheme="cpc">H01Q1/10</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/145" definition-exists="true" ipc-concordant="H01Q9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by varying the electrical length</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q9/16" definition-exists="true" ipc-concordant="H01Q9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q9/16</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole </text><reference><text><class-ref scheme="cpc">H01Q9/44</class-ref> takes precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/18" definition-exists="true" ipc-concordant="H01Q9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q9/18</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Vertical disposition of the antenna</text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/20" definition-exists="true" ipc-concordant="H01Q9/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Two collinear substantially straight active elements</text></title-part><title-part><text>Substantially straight single active elements </text><reference><text><class-ref scheme="cpc">H01Q9/28</class-ref> takes precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/22" definition-exists="true" ipc-concordant="H01Q9/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rigid rod or equivalent tubular element or elements</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/24" definition-exists="true" ipc-concordant="H01Q9/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shunt feed arrangements to single active elements, e.g. for delta matching</text></title-part></class-title></classification-item></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/26" definition-exists="true" ipc-concordant="H01Q9/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q9/26</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength </text><reference><text>resonant loop antennas <class-ref scheme="cpc">H01Q7/00</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/265" definition-exists="true" ipc-concordant="H01Q9/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Open ring dipoles; Circular dipoles</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/27" definition-exists="true" ipc-concordant="H01Q9/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q9/27</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Spiral antennas</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/28" definition-exists="true" ipc-concordant="H01Q9/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q9/28</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface</text></title-part><title-part><text>Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines </text><reference><text>waveguide horns or mouths <class-ref scheme="cpc">H01Q13/00</class-ref>; slot antennas <class-ref scheme="cpc">H01Q13/00</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/285" definition-exists="true" ipc-concordant="H01Q9/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Planar dipole </text><reference><text><class-ref scheme="cpc">H01Q9/065</class-ref> takes precedence; patch antenna <class-ref scheme="cpc">H01Q9/0407</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q9/30" definition-exists="true" ipc-concordant="H01Q9/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with feed to end of elongated active element, e.g. unipole </text><reference><text><class-ref scheme="cpc">H01Q9/44</class-ref> takes precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/32" definition-exists="true" ipc-concordant="H01Q9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vertical arrangement of element </text><reference><text><class-ref scheme="cpc">H01Q9/40</class-ref> takes precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/34" definition-exists="true" ipc-concordant="H01Q9/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q9/34</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Mast, tower, or like self-supporting or stay-supported antennas</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/36" definition-exists="true" ipc-concordant="H01Q9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with top loading</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/38" definition-exists="true" ipc-concordant="H01Q9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with counterpoise </text><reference><text>with counterpoise comprising elongated elements coplanar with the active element <class-ref scheme="cpc">H01Q9/44</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/40" definition-exists="true" ipc-concordant="H01Q9/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Element having extended radiating surface</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/42" definition-exists="true" ipc-concordant="H01Q9/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with folded element, the folded parts being spaced apart a small fraction of the operating wavelength</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q9/43" definition-exists="true" ipc-concordant="H01Q9/43" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q9/43</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Scimitar antennas</text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q9/44" definition-exists="true" ipc-concordant="H01Q9/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q9/44</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>with a plurality of divergent straight elements, e.g. V-dipole, X-antenna</text></title-part><title-part><text>with a plurality of elements having mutually inclined substantially straight portions </text><reference><text>combinations of two or more active elements <class-ref scheme="cpc">H01Q21/00</class-ref>; turnstile antennas <class-ref scheme="cpc">H01Q21/26</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q9/46" definition-exists="true" ipc-concordant="H01Q9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q9/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rigid elements diverging from single point</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q11/00" definition-exists="true" ipc-concordant="H01Q11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q11/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements </text><reference><text>leaky waveguides antennas or slot antennas <class-ref scheme="cpc">H01Q13/00</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q11/02" definition-exists="true" ipc-concordant="H01Q11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q11/02</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Non-resonant antennas, e.g. travelling-wave antenna </text><reference><text>Yagi antennas <class-ref scheme="cpc">H01Q19/30</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q11/04" definition-exists="true" ipc-concordant="H01Q11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q11/04</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>with parts bent, folded, shaped, screened or electrically loaded to obtain desired phase relation of radiation from selected sections of the antenna </text><reference><text><class-ref scheme="cpc">H01Q11/06</class-ref> – <class-ref scheme="cpc">H01Q11/10</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q11/06" definition-exists="true" ipc-concordant="H01Q11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q11/06</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Rhombic antennas</text></title-part><title-part><text>V-antennas</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q11/08" definition-exists="true" ipc-concordant="H01Q11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q11/08</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Helical antennas</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q11/083" definition-exists="true" ipc-concordant="H01Q11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q11/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tapered helical aerials, e.g. conical spiral aerials</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q11/086" definition-exists="true" ipc-concordant="H01Q11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q11/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>collapsible</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q11/10" definition-exists="true" ipc-concordant="H01Q11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q11/10</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Logperiodic antennas </text><reference><text><class-ref scheme="cpc">H01Q11/08</class-ref> takes precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q11/105" definition-exists="true" ipc-concordant="H01Q11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q11/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a dielectric support</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q11/12" definition-exists="true" ipc-concordant="H01Q11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q11/12</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Resonant antennas</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q11/14" definition-exists="true" ipc-concordant="H01Q11/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q11/14</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>with parts bent, folded, shaped or screened or with phasing impedances, to obtain desired phase relation of radiation from selected sections of the antenna or to obtain desired polarisation effect </text><reference><text><class-ref scheme="cpc">H01Q11/20</class-ref> takes precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q11/16" definition-exists="true" ipc-concordant="H01Q11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q11/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in which the selected sections are collinear</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q11/18" definition-exists="true" ipc-concordant="H01Q11/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2014-02-04" status="published"><classification-symbol>H01Q11/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in which the selected sections are parallelly spaced</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q11/20" definition-exists="true" ipc-concordant="H01Q11/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q11/20</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>V-antennas</text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q13/00" definition-exists="true" ipc-concordant="H01Q13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q13/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Waveguide horns or mouths</text></title-part><title-part><text>Slot antennas</text></title-part><title-part><text>Leaky-waveguide antennas</text></title-part><title-part><text>Equivalent structures causing radiation along the transmission path of a guided wave</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q13/02" definition-exists="true" ipc-concordant="H01Q13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Waveguide horns</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/0208" definition-exists="true" ipc-concordant="H01Q13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Corrugated horns </text><reference><text>waveguide mouth antenna with corrugated flange <class-ref scheme="cpc">H01Q13/065</class-ref>; manufacturing details <class-ref scheme="cpc">H01Q13/0283</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q13/0216" definition-exists="true" ipc-concordant="H01Q13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/0216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dual-depth corrugated horns</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q13/0225" definition-exists="true" ipc-concordant="H01Q13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/0225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of non-circular cross-section </text><reference><text><class-ref scheme="cpc">H01Q13/0216</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/0233" definition-exists="true" ipc-concordant="H01Q13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/0233</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Horns fed by a slotted waveguide array </text><reference><text>biconical horns <class-ref scheme="cpc">H01Q13/06</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/0241" definition-exists="true" ipc-concordant="H01Q13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/0241</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radiating a circularly polarised wave </text><reference><text><class-ref scheme="cpc">H01Q13/0258</class-ref> takes precedence; polarisation converters <class-ref scheme="cpc">H01Q15/244</class-ref>, in a waveguide <class-ref scheme="cpc">H01P1/17</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/025" definition-exists="true" ipc-concordant="H01Q13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multimode horn antennas; Horns using higher mode of propagation </text><reference><text><class-ref scheme="cpc">H01Q13/0241</class-ref> takes precedence; multiple beam <class-ref scheme="cpc">H01Q25/04</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q13/0258" definition-exists="true" ipc-concordant="H01Q13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01Q13/0258</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Orthomode horns </text><reference><text>orthomode transducers <class-ref scheme="cpc">H01P1/161</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/0266" definition-exists="true" ipc-concordant="H01Q13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/0266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with a flange or a choke</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/0275" definition-exists="true" ipc-concordant="H01Q13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ridged horns </text><reference><text>slot-line radiating ends <class-ref scheme="cpc">H01Q13/085</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/0283" definition-exists="true" ipc-concordant="H01Q13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/0283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Apparatus or processes specially provided for manufacturing horns</text></CPC-specific-text></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q13/0291" definition-exists="true" ipc-concordant="H01Q13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/0291</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for corrugated horns</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/04" definition-exists="true" ipc-concordant="H01Q13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Biconical horns </text><reference><text>biconical dipoles comprising two conical surfaces having collinear axes and adjacent apices and fed by a two-conductor transmission line <class-ref scheme="cpc">H01Q9/28</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q13/06" definition-exists="true" ipc-concordant="H01Q13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Waveguide mouths </text><reference><text>horns <class-ref scheme="cpc">H01Q13/02</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/065" definition-exists="true" ipc-concordant="H01Q13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with a flange or a choke</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q13/08" definition-exists="true" ipc-concordant="H01Q13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines</text></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/085" definition-exists="true" ipc-concordant="H01Q13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Slot-line radiating ends</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q13/10" definition-exists="true" ipc-concordant="H01Q13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q13/10</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Resonant slot antennas</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/103" definition-exists="true" ipc-concordant="H01Q13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with variable reactance for tuning the antenna </text><reference><text>tuning resonant circuits <class-ref scheme="cpc">H03J</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/106" definition-exists="true" ipc-concordant="H01Q13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Microstrip slot antennas </text><reference><text>patch antenna elements <class-ref scheme="cpc">H01Q9/0407</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/12" definition-exists="true" ipc-concordant="H01Q13/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q13/12</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Longitudinally slotted cylinder antennas</text></title-part><title-part><text>Equivalent structures</text></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q13/14" definition-exists="true" ipc-concordant="H01Q13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q13/14</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Skeleton cylinder antennas</text></title-part></class-title></classification-item></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/16" definition-exists="true" ipc-concordant="H01Q13/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q13/16</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Folded slot antennas</text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/18" definition-exists="true" ipc-concordant="H01Q13/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01Q13/18</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>the slot being backed by, or formed in boundary wall of, a resonant cavity </text><reference><text>longitudinally slotted cylinder <class-ref scheme="cpc">H01Q13/12</class-ref> </text></reference><CPC-specific-text><text>; Open cavity antennas</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q13/20" definition-exists="true" ipc-concordant="H01Q13/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q13/20</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Non-resonant leaky-waveguide or transmission-line antennas</text></title-part><title-part><text>Equivalent structures causing radiation along the transmission path of a guided wave</text></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/203" definition-exists="true" ipc-concordant="H01Q13/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Leaky coaxial lines</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/206" definition-exists="true" ipc-concordant="H01Q13/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Microstrip transmission line antennas</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/22" definition-exists="true" ipc-concordant="H01Q13/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Longitudinal slot in boundary wall of waveguide or transmission line </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H01Q13/203</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/24" definition-exists="true" ipc-concordant="H01Q13/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>constituted by a dielectric or ferromagnetic rod or pipe </text><reference><text><class-ref scheme="cpc">H01Q13/28</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/26" definition-exists="true" ipc-concordant="H01Q13/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q13/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Surface waveguide constituted by a single conductor, e.g. strip conductor</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q13/28" definition-exists="true" ipc-concordant="H01Q13/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q13/28</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>comprising elements constituting electric discontinuities and spaced in direction of wave propagation, e.g. dielectric elements or conductive elements forming artificial dielectric</text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q15/00" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q15/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices </text><reference><text>variable for purpose of altering directivity <class-ref scheme="cpc">H01Q3/00</class-ref>; arrangements of such devices for guiding waves <class-ref scheme="cpc">H01P3/20</class-ref>; variable for purpose of modulation <class-ref scheme="cpc">H03C7/02</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q15/0006" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices </text><reference><text><class-ref scheme="cpc">H01Q15/12</class-ref>, <class-ref scheme="cpc">H01Q15/22</class-ref>, <class-ref scheme="cpc">H01Q15/24</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/0013" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/0013</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/002" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>said selective devices being reconfigurable or tunable, e.g. using switches or diodes</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/0026" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/0026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>said selective devices having a stacked geometry or having multiple layers</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/0033" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/0033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>used for beam splitting or combining, e.g. acting as a quasi-optical multiplexer </text><reference><text><class-ref scheme="cpc">H01Q19/191</class-ref> and <class-ref scheme="cpc">H01Q19/195</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/004" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using superconducting materials or magnetised substrates</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/0046" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Theoretical analysis and design methods of such selective devices</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/0053" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selective devices used as spatial filter or angular sidelobe filter</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/006" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selective devices having photonic band gap materials or materials of which the material properties are frequency dependent, e.g. perforated substrates, high-impedance surfaces</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/0066" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/0066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>said selective devices being reconfigurable, tunable or controllable, e.g. using switches</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/0073" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/0073</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>said selective devices having corrugations</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/008" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>said selective devices having Sievenpipers' mushroom elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/0086" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/0086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/0093" definition-exists="true" ipc-concordant="H01Q15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/0093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a fractal shape</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q15/02" definition-exists="true" ipc-concordant="H01Q15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Refracting or diffracting devices, e.g. lens, prism</text></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/04" definition-exists="true" ipc-concordant="H01Q15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising wave-guiding channel or channels bounded by effective conductive surfaces substantially perpendicular to the electric vector of the wave, e.g. parallel-plate waveguide lens</text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/06" definition-exists="true" ipc-concordant="H01Q15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising plurality of wave-guiding channels of different length</text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/08" definition-exists="true" ipc-concordant="H01Q15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>formed of solid dielectric material</text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/10" definition-exists="true" ipc-concordant="H01Q15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q15/10</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>comprising three-dimensional array of impedance discontinuities, e.g. holes in conductive surfaces or conductive discs forming artificial dielectric</text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/12" definition-exists="true" ipc-concordant="H01Q15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>functioning also as polarisation filter </text><CPC-specific-text><reference><text>polarisation converters <class-ref scheme="cpc">H01Q15/242</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q15/14" definition-exists="true" ipc-concordant="H01Q15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q15/14</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Reflecting surfaces</text></title-part><title-part><text>Equivalent structures </text><CPC-specific-text><reference><text>electromagnetic shields <class-ref scheme="cpc">H01Q1/526</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/141" definition-exists="true" ipc-concordant="H01Q15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/141</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Apparatus or processes specially adapted for manufacturing reflecting surfaces</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/142" definition-exists="true" ipc-concordant="H01Q15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using insulating material for supporting the reflecting surface</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q15/144" definition-exists="true" ipc-concordant="H01Q15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/144</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a honeycomb, cellular or foamed sandwich structure</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/145" definition-exists="true" ipc-concordant="H01Q15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a plurality of reflecting particles, e.g. radar chaff </text><reference><text>missiles of the signal type provided with means for disseminating radar-reflecting chaff <class-ref scheme="cpc">F42B12/70</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/147" definition-exists="true" ipc-concordant="H01Q15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/147</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with means for controlling or monitoring the shape of the reflecting surface </text><reference><text>for scanning <class-ref scheme="cpc">H01Q3/01</class-ref>; aerials or aerial systems providing multiple beamwidths <class-ref scheme="cpc">H01Q25/002</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/148" definition-exists="true" ipc-concordant="H01Q15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for varying the reflecting properties </text><reference><text><class-ref scheme="cpc">H01Q15/147</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/16" definition-exists="true" ipc-concordant="H01Q15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H01Q15/16</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>curved in two dimensions, e.g. paraboloidal</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/161" definition-exists="true" ipc-concordant="H01Q15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/161</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Collapsible reflectors</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q15/162" definition-exists="true" ipc-concordant="H01Q15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>composed of a plurality of rigid panels</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q15/163" definition-exists="true" ipc-concordant="H01Q15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>inflatable</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/165" definition-exists="true" ipc-concordant="H01Q15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>composed of a plurality of rigid panels </text><reference><text>collapsible <class-ref scheme="cpc">H01Q15/161</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q15/166" definition-exists="true" ipc-concordant="H01Q15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sector shaped</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q15/167" definition-exists="true" ipc-concordant="H01Q15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a gap between adjacent panels or group of panels, e.g. stepped reflectors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/168" definition-exists="true" ipc-concordant="H01Q15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/168</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mesh reflectors mounted on a non-collapsible frame</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/18" definition-exists="true" ipc-concordant="H01Q15/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising plurality of mutually inclined plane surfaces, e.g. corner reflector </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H01Q15/16</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/20" definition-exists="true" ipc-concordant="H01Q15/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Collapsible reflectors</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/22" definition-exists="true" ipc-concordant="H01Q15/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q15/22</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>functioning also as polarisation filter</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q15/23" definition-exists="true" ipc-concordant="H01Q15/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combinations of reflecting surfaces with refracting or diffracting devices</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q15/24" definition-exists="true" ipc-concordant="H01Q15/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q15/24</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Polarising devices</text></title-part><title-part><text>Polarisation filters  </text><reference><text><class-ref scheme="cpc">H01Q15/12</class-ref>, <class-ref scheme="cpc">H01Q15/22</class-ref> take precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q15/242" definition-exists="true" ipc-concordant="H01Q15/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polarisation converters</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/244" definition-exists="true" ipc-concordant="H01Q15/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/244</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>converting a linear polarised wave into a circular polarised wave </text><reference><text>guided wave <class-ref scheme="cpc">H01P1/17</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q15/246" definition-exists="true" ipc-concordant="H01Q15/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>rotating the plane of polarisation of a linear polarised wave </text><reference><text>guided wave <class-ref scheme="cpc">H01P1/165</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q15/248" definition-exists="true" ipc-concordant="H01Q15/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q15/248</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a reflecting surface, e.g. twist reflector </text><reference><text>combination with a polarisation filter in dual reflector antennas <class-ref scheme="cpc">H01Q19/195</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q17/00" definition-exists="true" ipc-concordant="H01Q17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q17/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Devices for absorbing waves radiated from an antenna</text></title-part><title-part><text>Combinations of such devices with active antenna elements or systems</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q17/001" definition-exists="true" ipc-concordant="H01Q17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q17/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for modifying the directional characteristic of an aerial</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q17/002" definition-exists="true" ipc-concordant="H01Q17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q17/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using short elongated elements as dissipative material, e.g. metallic threads or flake-like particles</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q17/004" definition-exists="true" ipc-concordant="H01Q17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q17/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using non-directional dissipative particles, e.g. ferrite powders </text><reference><text><class-ref scheme="cpc">H01Q17/005</class-ref> takes precedence; flake-like <class-ref scheme="cpc">H01Q17/002</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q17/005" definition-exists="true" ipc-concordant="H01Q17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q17/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using woven or wound filaments; impregnated nets or clothes</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q17/007" definition-exists="true" ipc-concordant="H01Q17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q17/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for controlling the absorption</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q17/008" definition-exists="true" ipc-concordant="H01Q17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q17/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a particular shape </text><reference><text><class-ref scheme="cpc">H01Q17/007</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q19/00" definition-exists="true" ipc-concordant="H01Q19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q19/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic </text><CPC-specific-text><reference><text>combination of horns with slotted waveguide array <class-ref scheme="cpc">H01Q13/0233</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q19/005" definition-exists="true" ipc-concordant="H01Q19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Patch antenna using one or more coplanar parasitic elements</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q19/02" definition-exists="true" ipc-concordant="H01Q19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details </text><CPC-specific-text><reference><text>fastening of an element on a boom <class-ref scheme="cpc">H01Q1/1228</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/021" definition-exists="true" ipc-concordant="H01Q19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for reducing undesirable effects</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q19/022" definition-exists="true" ipc-concordant="H01Q19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for reducing the edge scattering of reflectors</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q19/023" definition-exists="true" ipc-concordant="H01Q19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for reducing the scattering of mounting structures, e.g. of the struts</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q19/025" definition-exists="true" ipc-concordant="H01Q19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for optimizing the matching of the primary feed, e.g. vertex plates</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q19/026" definition-exists="true" ipc-concordant="H01Q19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for reducing the primary feed spill-over</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q19/027" definition-exists="true" ipc-concordant="H01Q19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for compensating or reducing aperture blockage </text><reference><text>offset feeding <class-ref scheme="cpc">H01Q19/132</class-ref>, <class-ref scheme="cpc">H01Q19/192</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q19/028" definition-exists="true" ipc-concordant="H01Q19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for reducing the cross polarisation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/04" definition-exists="true" ipc-concordant="H01Q19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q19/04</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Means for collapsing H-antennas or Yagi antennas</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q19/06" definition-exists="true" ipc-concordant="H01Q19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using refracting or diffracting devices, e.g. lens </text><CPC-specific-text><reference><text>radome <class-ref scheme="cpc">H01Q1/42</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/062" definition-exists="true" ipc-concordant="H01Q19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for focusing</text></CPC-specific-text></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q19/065" definition-exists="true" ipc-concordant="H01Q19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Zone plate type antennas</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/067" definition-exists="true" ipc-concordant="H01Q19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a hologram</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/08" definition-exists="true" ipc-concordant="H01Q19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for modifying the radiation pattern of a radiating horn in which it is located </text><CPC-specific-text><reference><text>corrugated horns <class-ref scheme="cpc">H01Q13/0208</class-ref>; producing a circular polarisation <class-ref scheme="cpc">H01Q13/0241</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/09" definition-exists="true" ipc-concordant="H01Q19/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q19/09</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>wherein the primary active element is coated with or embedded in a dielectric or magnetic material </text><reference><text>protective material <class-ref scheme="cpc">H01Q1/40</class-ref>, varying the electric or magnetic characteristics of refracting or diffracting devices <class-ref scheme="cpc">H01Q3/44</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q19/10" definition-exists="true" ipc-concordant="H01Q19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using reflecting surfaces</text></title-part></class-title>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/102" definition-exists="true" ipc-concordant="H01Q19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>wherein the surfaces are of convex toroïdal shape </text><reference><text>biconical horns <class-ref scheme="cpc">H01Q13/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/104" definition-exists="true" ipc-concordant="H01Q19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas </text><reference><text>periscopic fed Cassegrain antennas <class-ref scheme="cpc">H01Q19/191</class-ref>; passive relays <class-ref scheme="cpc">H04B7/145</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/106" definition-exists="true" ipc-concordant="H01Q19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using two or more intersecting plane surfaces, e.g. corner reflector antennas</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/108" definition-exists="true" ipc-concordant="H01Q19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combination of a dipole with a plane reflecting surface </text><reference><text><class-ref scheme="cpc">H01Q19/106</class-ref> takes precedence; strip line <class-ref scheme="cpc">H01Q9/065</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/12" definition-exists="true" ipc-concordant="H01Q19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the surfaces are concave </text><reference><text><class-ref scheme="cpc">H01Q19/18</class-ref> takes precedence</text></reference></title-part></class-title>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q19/13" definition-exists="true" ipc-concordant="H01Q19/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination </text><reference><text><class-ref scheme="cpc">H01Q19/15</class-ref> takes precedence</text></reference></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q19/132" definition-exists="true" ipc-concordant="H01Q19/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/132</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Horn reflector antennas; Off-set feeding</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q19/134" definition-exists="true" ipc-concordant="H01Q19/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/134</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rear-feeds; Splash plate feeds</text></CPC-specific-text></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01Q19/136" definition-exists="true" ipc-concordant="H01Q19/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/136</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>cross-polarised</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q19/138" definition-exists="true" ipc-concordant="H01Q19/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/138</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Parallel-plate feeds, e.g. pill-box, cheese aerials</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q19/15" definition-exists="true" ipc-concordant="H01Q19/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q19/15</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>the primary radiating source being a line source, e.g. leaky waveguide antennas</text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q19/17" definition-exists="true" ipc-concordant="H01Q19/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the primary radiating source comprising two or more radiating elements </text><reference><text><class-ref scheme="cpc">H01Q19/15</class-ref>, <class-ref scheme="cpc">H01Q25/00</class-ref> take precedence</text></reference></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q19/175" definition-exists="true" ipc-concordant="H01Q19/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/175</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arrayed along the focal line of a cylindrical focusing surface</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/18" definition-exists="true" ipc-concordant="H01Q19/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q19/18</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>having two or more spaced reflecting surfaces </text><reference><text><class-ref scheme="cpc">H01Q19/20</class-ref> takes precedence</text></reference></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q19/185" definition-exists="true" ipc-concordant="H01Q19/185" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the surfaces are plane</text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q19/19" definition-exists="true" ipc-concordant="H01Q19/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising one main concave reflecting surface associated with an auxiliary reflecting surface</text></title-part></class-title>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q19/191" definition-exists="true" ipc-concordant="H01Q19/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/191</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>wherein the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q19/192" definition-exists="true" ipc-concordant="H01Q19/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/192</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with dual offset reflectors</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q19/193" definition-exists="true" ipc-concordant="H01Q19/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/193</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with feed supported subreflector </text><reference><text>splash plate feeds <class-ref scheme="cpc">H01Q19/134</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q19/195" definition-exists="true" ipc-concordant="H01Q19/195" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/195</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein a reflecting surface acts also as a polarisation filter or a polarising device</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q19/20" definition-exists="true" ipc-concordant="H01Q19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Producing pencil beam by two cylindrical focusing devices with their focal lines orthogonally disposed</text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q19/22" definition-exists="true" ipc-concordant="H01Q19/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a secondary device in the form of a single substantially straight conductive element</text></title-part></class-title>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/24" definition-exists="true" ipc-concordant="H01Q19/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q19/24</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>the primary active element being centre-fed and substantially straight, e.g. H-antenna</text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/26" definition-exists="true" ipc-concordant="H01Q19/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the primary active element being end-fed and elongated</text></title-part></class-title></classification-item></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q19/28" definition-exists="true" ipc-concordant="H01Q19/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q19/28</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>using a secondary device in the form of two or more substantially straight conductive elements </text><reference><text>log- periodic antennas <class-ref scheme="cpc">H01Q11/10</class-ref>; constituting a reflecting surface <class-ref scheme="cpc">H01Q19/10</class-ref></text></reference></title-part></class-title>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/30" definition-exists="true" ipc-concordant="H01Q19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>H01Q19/30</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>the primary active element being centre-fed and substantially straight, e.g. Yagi antenna</text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q19/32" definition-exists="true" ipc-concordant="H01Q19/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q19/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the primary active element being end-fed and elongated</text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q21/00" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q21/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Antenna arrays or systems </text><reference><text>arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system <class-ref scheme="cpc">H01Q3/00</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> This group includes: <subnote type="bullet"><note-paragraph>arrays comprising two or more individually energised similar active aerial units spaced apart; </note-paragraph><note-paragraph>combinations of different types of active aerials or arrays; </note-paragraph><note-paragraph>combinations of substantially independant non-interacting active aerials or arrays. </note-paragraph></subnote></note-paragraph></note></notes-and-warnings>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q21/0006" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Particular feeding systems</text></CPC-specific-text></title-part></class-title>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/0012" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radial guide fed arrays</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/0018" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Space- fed arrays</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/0025" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Modular arrays</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/0031" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Parallel-plate fed arrays; Lens-fed arrays </text><reference><text>multibeam arrays <class-ref scheme="cpc">H01Q25/008</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/0037" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>linear waveguide fed arrays</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/0043" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Slotted waveguides </text><reference><text>combination with horns <class-ref scheme="cpc">H01Q13/0233</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q21/005" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Slotted waveguides arrays</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01Q21/0056" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0056</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Conically or cylindrically arrayed</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q21/0062" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the slots being disposed around the feeding waveguide</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/0068" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dielectric waveguide fed arrays</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/0075" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Stripline fed arrays </text><reference><text><class-ref scheme="cpc">H01Q21/065</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/0081" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using suspended striplines</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q21/0087" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Apparatus or processes specially adapted for manufacturing antenna arrays </text><reference><text>manufacturing waveguides <class-ref scheme="cpc">H01P11/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/0093" definition-exists="true" ipc-concordant="H01Q21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/0093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Monolithic arrays</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q21/06" definition-exists="true" ipc-concordant="H01Q21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q21/06</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Arrays of individually energised antenna units similarly polarised and spaced apart</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/061" definition-exists="true" ipc-concordant="H01Q21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Two dimensional planar arrays</text></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/062" definition-exists="true" ipc-concordant="H01Q21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using dipole aerials; </text><reference><text><class-ref scheme="cpc">H01Q21/067</class-ref>, <class-ref scheme="cpc">H01Q21/068</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/064" definition-exists="true" ipc-concordant="H01Q21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using horn or slot aerials </text><reference><text>slotted waveguides arrays <class-ref scheme="cpc">H01Q21/005</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/065" definition-exists="true" ipc-concordant="H01Q21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Patch antenna array</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/067" definition-exists="true" ipc-concordant="H01Q21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using endfire radiating aerial units transverse to the plane of the array</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/068" definition-exists="true" ipc-concordant="H01Q21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using parallel coplanar travelling wave or leaky wave aerial units </text><reference><text><class-ref scheme="cpc">H01Q21/065</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/08" definition-exists="true" ipc-concordant="H01Q21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the units being spaced along or adjacent to a rectilinear path </text><CPC-specific-text><reference><text>waveguide fed <class-ref scheme="cpc">H01Q21/0037</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/10" definition-exists="true" ipc-concordant="H01Q21/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Collinear arrangements of substantially straight elongated conductive units</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/12" definition-exists="true" ipc-concordant="H01Q21/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>H01Q21/12</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Parallel arrangements of substantially straight elongated conductive units </text><reference><text>travelling-wave antennas comprising transmission line loaded with transverse elements <class-ref scheme="cpc">H01Q11/02</class-ref>; Yagi antennas <class-ref scheme="cpc">H01Q19/30</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H01Q21/14" definition-exists="true" ipc-concordant="H01Q21/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q21/14</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Adcock antennas</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01Q21/16" definition-exists="true" ipc-concordant="H01Q21/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>U-type</text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H01Q21/18" definition-exists="true" ipc-concordant="H01Q21/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>H-type</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/20" definition-exists="true" ipc-concordant="H01Q21/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the units being spaced along or adjacent to a curvilinear path </text><CPC-specific-text><reference><text>slotted waveguide arrays <class-ref scheme="cpc">H01Q21/005</class-ref>; circularly or helically slotted waveguides <class-ref scheme="cpc">H01Q21/0062</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/205" definition-exists="true" ipc-concordant="H01Q21/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>providing an omnidirectional coverage </text><reference><text>turnstile aerials <class-ref scheme="cpc">H01Q21/26</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/22" definition-exists="true" ipc-concordant="H01Q21/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q21/22</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array</text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/225" definition-exists="true" ipc-concordant="H01Q21/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Finite focus antenna arrays</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q21/24" definition-exists="true" ipc-concordant="H01Q21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q21/24</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction </text><CPC-specific-text><reference><text>circularly polarised patch antennas <class-ref scheme="cpc">H01Q9/0428</class-ref>; circularly polarised horns <class-ref scheme="cpc">H01Q13/0241</class-ref>; cross-polarised horns <class-ref scheme="cpc">H01Q13/0258</class-ref>; polarisation converters <class-ref scheme="cpc">H01Q15/242</class-ref>; cross-polarised rear feeds <class-ref scheme="cpc">H01Q19/136</class-ref>; crossed polarisation dual antenna <class-ref scheme="cpc">H01Q25/001</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/245" definition-exists="true" ipc-concordant="H01Q21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with means for varying the polarisation </text><reference><text>polarising devices <class-ref scheme="cpc">H01Q15/24</class-ref>; tracking by comparing linear polarisation compounds <class-ref scheme="cpc">G01S3/146</class-ref>; reducing depolarisation effects <class-ref scheme="cpc">H04B7/00</class-ref> polarisation diversity <class-ref scheme="cpc">H04B7/10</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/26" definition-exists="true" ipc-concordant="H01Q21/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q21/26</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q21/28" definition-exists="true" ipc-concordant="H01Q21/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q21/28</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Combinations of substantially independent non-interacting antenna units or systems </text><CPC-specific-text><reference><text>multiple beam <class-ref scheme="cpc">H01Q25/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q21/29" definition-exists="true" ipc-concordant="H01Q21/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q21/29</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Combinations of different interacting antenna units for giving a desired directional characteristic </text><reference><text><class-ref scheme="cpc">H01Q25/00</class-ref> takes precedence</text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q21/293" definition-exists="true" ipc-concordant="H01Q21/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/293</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one unit or more being an array of identical aerial elements </text><reference><text>adaptive arrays <class-ref scheme="cpc">H01Q3/2605</class-ref></text></reference></CPC-specific-text></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H01Q21/296" definition-exists="true" ipc-concordant="H01Q21/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q21/296</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiplicative arrays</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q21/30" definition-exists="true" ipc-concordant="H01Q21/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q21/30</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Combinations of separate antenna units operating in different wavebands and connected to a common feeder system</text></title-part></class-title></classification-item></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q23/00" definition-exists="true" ipc-concordant="H01Q23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q23/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Antennas with active circuits or circuit elements integrated within them or attached to them</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> This group <u>covers</u> only such combinations in which the type of antenna or antenna element is immaterial.</note-paragraph><note-paragraph> Combinations with a particular type of antenna are classified in the group appropriate to that type. </note-paragraph></note></notes-and-warnings></classification-item>
|
||
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|
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H01Q25/00" definition-exists="true" ipc-concordant="H01Q25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q25/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Antennas or antenna systems providing at least two radiating patterns </text><reference><text>arrangements for changing or varying the orientation or the shape of the directional pattern <class-ref scheme="cpc">H01Q3/00</class-ref></text></reference></title-part></class-title>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q25/001" definition-exists="true" ipc-concordant="H01Q25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q25/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crossed polarisation dual antennas </text><reference><text>orthomode horns <class-ref scheme="cpc">H01Q13/0258</class-ref>; cross-polarised rear feeds <class-ref scheme="cpc">H01Q19/136</class-ref>; orthomode transducers <class-ref scheme="cpc">H01P1/161</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
|
||
|
|
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q25/002" definition-exists="true" ipc-concordant="H01Q25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q25/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>providing at least two patterns of different beamwidth; Variable beamwidth antennas</text></CPC-specific-text></title-part></class-title></classification-item>
|
||
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q25/004" definition-exists="true" ipc-concordant="H01Q25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q25/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>providing two or four symmetrical beams for Janus application</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q25/005" definition-exists="true" ipc-concordant="H01Q25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q25/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>providing two patterns of opposite direction; back to back antennas </text><reference><text><class-ref scheme="cpc">H01Q25/004</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q25/007" definition-exists="true" ipc-concordant="H01Q25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-01-15" status="published"><classification-symbol>H01Q25/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using two or more primary active elements in the focal region of a focusing device </text><reference><text>for operation on different wavebands <class-ref scheme="cpc">H01Q5/22</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H01Q25/008" definition-exists="true" ipc-concordant="H01Q25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H01Q25/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>lens fed multibeam arrays</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q25/02" definition-exists="true" ipc-concordant="H01Q25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q25/02</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>providing sum and difference patterns </text><reference><text><class-ref scheme="cpc">H01Q25/04</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H01Q25/04" definition-exists="true" ipc-concordant="H01Q25/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>H01Q25/04</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Multimode antennas </text><CPC-specific-text><reference><text>corrugated horns <class-ref scheme="cpc">H01Q13/0208</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme>
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