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18 lines
9.3 KiB
XML
18 lines
9.3 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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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="G21H" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>G21H</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>OBTAINING ENERGY FROM RADIOACTIVE SOURCES</text></title-part><title-part><text>APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR</text></title-part><title-part><text>UTILISING COSMIC RADIATION </text><reference><text>measurement of nuclear or X-radiation <class-ref scheme="cpc">G01T</class-ref>; fusion reactors <class-ref scheme="cpc">G21B</class-ref>; nuclear reactors <class-ref scheme="cpc">G21C</class-ref>; lamps in which a gas filling is excited to luminescence by external corpuscular radiation or by radioactive material structurally associated with the lamp <class-ref scheme="cpc">H01J65/04</class-ref>, <class-ref scheme="cpc">H01J65/06</class-ref></text></reference></title-part></class-title><notes-and-warnings><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="G21H1/00" date-revised="2013-01-01" status="published"><classification-symbol>G21H1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G21H1/00" definition-exists="true" ipc-concordant="G21H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G21H1/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes </text><CPC-specific-text><text>, nuclear or atomic batteries</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G21H1/02" definition-exists="false" ipc-concordant="G21H1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G21H1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cells charged directly by beta radiation</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="G21H1/04" definition-exists="true" ipc-concordant="G21H1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>G21H1/04</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Cells using secondary emission induced by alpha radiation, beta radiation, or gamma radiation</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="G21H1/06" definition-exists="true" ipc-concordant="G21H1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G21H1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cells wherein radiation is applied to the junction of different semiconductor materials</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="G21H1/08" definition-exists="true" ipc-concordant="G21H1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>G21H1/08</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Cells in which radiation ionises a gas in the presence of a junction of two dissimilar metals, i.e. contact potential difference cells</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="G21H1/10" definition-exists="true" ipc-concordant="G21H1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>G21H1/10</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Cells in which radiation heats a thermoelectric junction or a thermionic converter</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G21H1/103" definition-exists="false" ipc-concordant="G21H1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G21H1/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cells provided with thermo-electric generators</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="G21H1/106" definition-exists="false" ipc-concordant="G21H1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G21H1/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cells provided with thermionic generators</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="G21H1/12" definition-exists="false" ipc-concordant="G21H1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G21H1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cells using conversion of the radiation into light combined with subsequent photoelectric conversion into electric energy</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G21H3/00" definition-exists="true" ipc-concordant="G21H3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>G21H3/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Arrangements for direct conversion of radiation energy from radioactive sources into forms of energy other than electric energy, e.g. </text><CPC-specific-text><text>into</text></CPC-specific-text><text> light </text><CPC-specific-text><text>or mechanic energy</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G21H3/02" definition-exists="true" ipc-concordant="G21H3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>G21H3/02</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>in which material is excited to luminesce by the radiation </text><reference><text>lamps in which a gas filling or screen or coating is excited to luminesce by radioactive material structurally associated with the lamp  <class-ref scheme="cpc">H01J65/00</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="7" additional-only="false" sort-key="G21H5/00" definition-exists="true" ipc-concordant="G21H5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>G21H5/00</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>Applications of radiation from radioactive sources or arrangements therefor, not otherwise provided for </text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G21H5/02" definition-exists="true" ipc-concordant="G21H5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>G21H5/02</classification-symbol><class-title date-revised="2018-05-01"><title-part><text>as tracers</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G21H7/00" definition-exists="false" ipc-concordant="G21H7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G21H7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of effects of cosmic radiation</text></title-part></class-title></classification-item></classification-item></classification-item></class-scheme> |