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372 lines
210 KiB
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<?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="H02M" definition-exists="true" date-revised="2023-02-01" status="published"><classification-symbol>H02M</classification-symbol><class-title date-revised="2021-02-01"><title-part><text>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS</text></title-part><title-part><text>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER</text></title-part><title-part><text>CONTROL OR REGULATION THEREOF </text><reference><text>transformers <class-ref scheme="cpc">H01F</class-ref>; dynamo-electric converters <class-ref scheme="cpc">H02K47/00</class-ref>; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters <class-ref scheme="cpc">H02P</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> only circuits or apparatus for the conversion of electric power, or arrangements for control or regulation of such circuits or apparatus. The electrotechnical elements employed are dealt within the appropriate subclasses, e.g. inductors, transformers <class-ref scheme="cpc">H01F</class-ref>, capacitors, electrolytic rectifiers <class-ref scheme="cpc">H01G</class-ref>, mercury rectifying or other discharge tubes <class-ref scheme="cpc">H01J</class-ref>, semiconductor devices <class-ref scheme="cpc">H01L</class-ref>, <class-ref scheme="cpc">H10</class-ref> impedance networks or resonant circuit not primarily concerned with the transfer of electric power <class-ref scheme="cpc">H03H</class-ref>.</note-paragraph><note-paragraph>In this subclass, the following term is used with the meaning indicated: <subnote type="bullet"><note-paragraph>"conversion", in respect of an electric variable, e.g. voltage or current, means the change of one or more of the parameters of the variable, e.g. amplitude, frequency, phase, polarity.</note-paragraph></subnote></note-paragraph></note><note type="warning"><note-paragraph warning-type="ipc-not-used"><br/>The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: <table><row><entry><class-ref scheme="ipc">H02M9/00</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">H03K3/53</class-ref></entry></row><row><entry><class-ref scheme="ipc">H02M9/02</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">H03K3/53</class-ref></entry></row><row><entry><class-ref scheme="ipc">H02M9/04</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">H03K3/53</class-ref></entry></row><row><entry><class-ref scheme="ipc">H02M9/06</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">H03K3/53</class-ref></entry></row></table></note-paragraph><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="H02M1/00" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="H02M1/00" definition-exists="true" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of apparatus for conversion</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02M1/00</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">H02M1/0043</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M1/00</class-ref> and <class-ref scheme="cpc">H02M1/0043</class-ref> should be considered in order to perform a complete search.</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="H02M1/0003" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0003</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Details of control, feedback or regulation circuits</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="H02M1/0006" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0006</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Arrangements for supplying an adequate voltage to the control circuit of converters</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="H02M1/0009" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0009</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Devices or circuits for detecting current in a converter</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="H02M1/0012" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0012</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Control circuits using digital or numerical techniques </text><reference><text>in DC/DC converters <class-ref scheme="cpc">H02M3/157</class-ref>, <class-ref scheme="cpc">H02M3/33515</class-ref>; in DC-AC converters <class-ref scheme="cpc">H02M7/53873</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="H02M1/0016" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0016</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Control circuits providing compensation of output voltage deviations using feedforward of disturbance parameters</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="H02M1/0019" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0019</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the disturbance parameters being load current fluctuations</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="H02M1/0022" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0022</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the disturbance parameters being input voltage fluctuations</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="H02M1/0025" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0025</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Arrangements for modifying reference values, feedback values or error values in the control loop of a converter</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="H02M1/0029" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0029</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Circuits or arrangements for limiting the slope of switching signals, e.g. slew rate</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="H02M1/0032" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0032</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Control circuits allowing low power mode operation, e.g. in standby mode</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="H02M1/0035" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0035</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using burst mode control</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="H02M1/0038" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0038</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Circuits or arrangements for suppressing, e.g. by masking incorrect turn-on or turn-off signals, e.g. due to current spikes in current mode control</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="H02M1/0041" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0041</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Control circuits in which a clock signal is selectively enabled or disabled</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="H02M1/0043" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0043</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Converters switched with a phase shift, i.e. interleaved </text><reference><text>non-isolated DC/DC converters <class-ref scheme="cpc">H02M3/1586</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02M1/0043</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">H02M1/00</class-ref> and <class-ref scheme="cpc">H02M7/493</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M1/00</class-ref>, <class-ref scheme="cpc">H02M7/493</class-ref> and <class-ref scheme="cpc">H02M1/0043</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02M1/0045" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0045</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Converters combining the concepts of switch-mode regulation and linear regulation, e.g. linear pre-regulator to switching converter, linear and switching converter in parallel, same converter or same transistor operating either in linear or switching mode</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="H02M1/0048" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0048</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Circuits or arrangements for reducing losses </text><reference><text>using snubbers <class-ref scheme="cpc">H02M1/34</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="H02M1/0051" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0051</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Diode reverse recovery losses</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="H02M1/0054" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0054</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Transistor switching losses </text><reference><text>periodically suspending operation of switching converter in low power mode <class-ref scheme="cpc">H02M1/0035</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="H02M1/0058" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0058</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero </text><reference><text>using an auxiliary actively switched resonant commutation circuit connected to an intermediate DC voltage or between two push-pull branches of an inverter bridge <class-ref scheme="cpc">H02M7/4811</class-ref>; in resonant inverters <class-ref scheme="cpc">H02M7/4815</class-ref>; in inverters operating from a resonant DC source <class-ref scheme="cpc">H02M7/4826</class-ref></text></reference></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="H02M1/0061" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/0061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using discharge tubes</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="H02M1/0064" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0064</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Magnetic structures combining different functions, e.g. storage, filtering or transformation</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="H02M1/0067" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0067</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Converter structures employing plural converter units, other than for parallel operation of the units on a single load</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="H02M1/007" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/007</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Plural converter units in cascade </text><reference><text>push-pull DC/DC converters with pre-regulator <class-ref scheme="cpc">H02M3/3374</class-ref>; DC-AC converters following a DC-DC stage including a high frequency transformer <class-ref scheme="cpc">H02M7/4807</class-ref>; DC-AC converters following a DC-DC conversion stage generating periodically varying voltages <class-ref scheme="cpc">H02M7/4826</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="H02M1/0074" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0074</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Plural converter units whose inputs are connected in series</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="H02M1/0077" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0077</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Plural converter units whose outputs are connected in series</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="H02M1/008" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/008</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators</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="H02M1/0083" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0083</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Converters characterised by their input or output configuration</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02M1/0083</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H02M1/0085</class-ref> and <class-ref scheme="cpc">H02M1/0095</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M1/0083</class-ref>, <class-ref scheme="cpc">H02M1/0085</class-ref> and <class-ref scheme="cpc">H02M1/0095</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M1/0085" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0085</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Partially controlled bridges</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02M1/0085</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">H02M1/0083</class-ref>, <class-ref scheme="cpc">H02M1/4225</class-ref> and <class-ref scheme="cpc">H02M1/4233</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M1/0087" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0087</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>adapted for receiving as input a current source</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="H02M1/009" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/009</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>having two or more independently controlled outputs </text><reference><text>for DC-DC converter with intermediate AC <class-ref scheme="cpc">H02M3/33561</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="H02M1/0093" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0093</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>wherein the output is created by adding a regulated voltage to or subtracting it from an unregulated input</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="H02M1/0095" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0095</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Hybrid converter topologies, e.g. NPC mixed with flying capacitor, thyristor converter mixed with MMC or charge pump mixed with buck</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02M1/0095</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02M1/0083</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M1/0083</class-ref> and <class-ref scheme="cpc">H02M1/0095</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02M1/0096" definition-exists="false" ipc-concordant="H02M1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/0096</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Means for increasing hold-up time, i.e. the duration of time that a converter's output will remain within regulated limits following a loss of input power</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="H02M1/02" definition-exists="false" ipc-concordant="H02M1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuits specially adapted for the generation of grid-control or igniter-control voltages for discharge tubes incorporated in static converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M1/04" definition-exists="false" ipc-concordant="H02M1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for tubes with grid control</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M1/042" definition-exists="false" ipc-concordant="H02M1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>wherein the phase of the control voltage is adjustable with reference to the AC voltage</text></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="H02M1/045" definition-exists="false" ipc-concordant="H02M1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for multiphase systems</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="H02M1/047" definition-exists="false" ipc-concordant="H02M1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for ignition at the zero-crossing of voltage or current</text></CPC-specific-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="H02M1/06" definition-exists="false" ipc-concordant="H02M1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuits specially adapted for rendering non-conductive gas discharge tubes or equivalent semiconductor devices, e.g. thyratrons, thyristors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M1/065" definition-exists="false" ipc-concordant="H02M1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discharge tubes</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="H02M1/08" definition-exists="true" ipc-concordant="H02M1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M1/081" definition-exists="false" ipc-concordant="H02M1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>wherein the phase of the control voltage is adjustable with reference to the AC source</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="H02M1/082" definition-exists="false" ipc-concordant="H02M1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with digital control</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="H02M1/083" definition-exists="false" ipc-concordant="H02M1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for the ignition at the zero crossing of the voltage or the current</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="H02M1/084" definition-exists="false" ipc-concordant="H02M1/084" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a control circuit common to several phases of a multi-phase system</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M1/0845" definition-exists="false" ipc-concordant="H02M1/084" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/0845</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>digitally controlled (or with digital control)</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="H02M1/088" definition-exists="false" ipc-concordant="H02M1/088" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for the simultaneous control of series or parallel connected semiconductor devices</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M1/092" definition-exists="false" ipc-concordant="H02M1/092" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/092</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the control signals being transmitted optically</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="H02M1/096" definition-exists="true" ipc-concordant="H02M1/096" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/096</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the power supply of the control circuit being connected in parallel to the main switching element </text><reference><text><class-ref scheme="cpc">H02M1/092</class-ref> takes precedence</text></reference></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="H02M1/10" definition-exists="false" ipc-concordant="H02M1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc</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="H02M1/12" definition-exists="false" ipc-concordant="H02M1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for reducing harmonics from ac input or output</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M1/123" definition-exists="false" ipc-concordant="H02M1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/123</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Suppression of common mode voltage or current</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="H02M1/126" definition-exists="false" ipc-concordant="H02M1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using passive filters</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="H02M1/14" definition-exists="false" ipc-concordant="H02M1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for reducing ripples from dc input or output</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M1/143" definition-exists="false" ipc-concordant="H02M1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using compensating arrangements </text><reference><text>for reducing noise from the supply in transmission systems <class-ref scheme="cpc">H04B15/005</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="H02M1/146" definition-exists="false" ipc-concordant="H02M1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using discharge tubes</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="H02M1/15" definition-exists="false" ipc-concordant="H02M1/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using active elements</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="H02M1/16" definition-exists="false" ipc-concordant="H02M1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for providing current step on switching, e.g. with saturable reactor</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="H02M1/20" definition-exists="false" ipc-concordant="H02M1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Contact mechanisms of dynamic converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M1/22" definition-exists="false" ipc-concordant="H02M1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>incorporating collectors and brushes</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="H02M1/24" definition-exists="false" ipc-concordant="H02M1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>incorporating rolling or tumbling contacts</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="H02M1/26" definition-exists="false" ipc-concordant="H02M1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>incorporating cam-operated contacts</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="H02M1/28" definition-exists="false" ipc-concordant="H02M1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>incorporating electromagnetically-operated vibrating contacts</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="H02M1/30" definition-exists="false" ipc-concordant="H02M1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>incorporating liquid contacts</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="H02M1/32" definition-exists="true" ipc-concordant="H02M1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-02-01" status="published"><classification-symbol>H02M1/32</classification-symbol><class-title date-revised="2021-02-01"><title-part><text>Means for protecting converters other than automatic disconnection</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M1/322" definition-exists="false" ipc-concordant="H02M1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/322</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Means for rapidly discharging a capacitor of the converter for protecting electrical components or for preventing electrical shock</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="H02M1/325" definition-exists="false" ipc-concordant="H02M1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/325</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with means for allowing continuous operation despite a fault, i.e. fault tolerant converters</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="H02M1/327" definition-exists="false" ipc-concordant="H02M1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/327</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>against abnormal temperatures</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="H02M1/34" definition-exists="false" ipc-concordant="H02M1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Snubber circuits</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M1/342" definition-exists="false" ipc-concordant="H02M1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/342</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Active non-dissipative snubbers</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="H02M1/344" definition-exists="false" ipc-concordant="H02M1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/344</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Active dissipative snubbers</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="H02M1/346" definition-exists="false" ipc-concordant="H02M1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/346</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Passive non-dissipative snubbers</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="H02M1/348" definition-exists="false" ipc-concordant="H02M1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/348</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Passive dissipative snubbers</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="H02M1/36" definition-exists="false" ipc-concordant="H02M1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>H02M1/36</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Means for starting or stopping converters</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="H02M1/38" definition-exists="false" ipc-concordant="H02M1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>H02M1/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for preventing simultaneous conduction of switches</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M1/385" definition-exists="false" ipc-concordant="H02M1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/385</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with means for correcting output voltage deviations introduced by the dead time</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="H02M1/40" definition-exists="false" ipc-concordant="H02M1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>H02M1/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for preventing magnetic saturation</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="H02M1/42" definition-exists="false" ipc-concordant="H02M1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>H02M1/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuits or arrangements for compensating for or adjusting power factor in converters or inverters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M1/4208" definition-exists="false" ipc-concordant="H02M1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/4208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for improving power factor of AC input</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="H02M1/4216" definition-exists="false" ipc-concordant="H02M1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/4216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>operating from a three-phase input voltage </text><reference><text><class-ref scheme="cpc">H02M1/4233</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="10" additional-only="false" sort-key="H02M1/4225" definition-exists="false" ipc-concordant="H02M1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/4225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a non-isolated boost converter</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02M1/4225</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">H02M1/0085</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M1/4225</class-ref> and <class-ref scheme="cpc">H02M1/0085</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M1/4233" definition-exists="false" ipc-concordant="H02M1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/4233</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using a bridge converter comprising active switches</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02M1/4233</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">H02M1/0085</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M1/4233</class-ref> and <class-ref scheme="cpc">H02M1/0085</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M1/4241" definition-exists="false" ipc-concordant="H02M1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/4241</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a resonant converter</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="H02M1/425" definition-exists="false" ipc-concordant="H02M1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a single converter stage both for correction of AC input power factor and generation of a high frequency AC output voltage</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="H02M1/4258" definition-exists="false" ipc-concordant="H02M1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>H02M1/4258</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>using a single converter stage both for correction of AC input power factor and generation of a regulated and galvanically isolated DC output voltage </text><reference><text><class-ref scheme="cpc">H02M1/4241</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="10" additional-only="false" sort-key="H02M1/4266" definition-exists="false" ipc-concordant="H02M1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M1/4266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using passive elements</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="H02M1/4275" definition-exists="false" ipc-concordant="H02M1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/4275</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by adding an auxiliary output voltage in series to the input</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="H02M1/4283" definition-exists="false" ipc-concordant="H02M1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/4283</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by adding a controlled rectifier in parallel to a first rectifier feeding a smoothing capacitor</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="H02M1/4291" definition-exists="false" ipc-concordant="H02M1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M1/4291</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by using a Buck converter to switch the input current</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="H02M1/44" definition-exists="false" ipc-concordant="H02M1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>H02M1/44</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Circuits or arrangements for compensating for electromagnetic interference in converters or inverters</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="H02M3/00" definition-exists="true" ipc-concordant="H02M3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/00</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Conversion of dc power input into dc power output</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02M3/00</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">H02M3/003</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M3/00</class-ref> and <class-ref scheme="cpc">H02M3/003</class-ref> should be considered in order to perform a complete search.</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="H02M3/003" definition-exists="false" ipc-concordant="H02M3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/003</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Constructional details, e.g. physical layout, assembly, wiring or busbar connections</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02M3/003</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02M3/00</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M3/00</class-ref> and <class-ref scheme="cpc">H02M3/003</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02M3/005" definition-exists="false" ipc-concordant="H02M3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using Cuk converters</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="H02M3/01" definition-exists="false" ipc-concordant="H02M3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/01</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Resonant DC/DC converters</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">H02M3/01</class-ref> and <class-ref scheme="cpc">H02M3/015</class-ref> are incomplete pending reclassification of documents from groups <class-ref scheme="cpc">H02M3/33569</class-ref> and <class-ref scheme="cpc">H02M3/337</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M3/015" definition-exists="false" ipc-concordant="H02M3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/015</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with means for adaptation of resonance frequency, e.g. by modification of capacitance or inductance of resonance circuit</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="H02M3/02" definition-exists="false" ipc-concordant="H02M3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without intermediate conversion into ac</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M3/04" definition-exists="false" ipc-concordant="H02M3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by static converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M3/06" definition-exists="false" ipc-concordant="H02M3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using resistors or capacitors, e.g. potential divider</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M3/07" definition-exists="true" ipc-concordant="H02M3/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-02-01" status="published"><classification-symbol>H02M3/07</classification-symbol><class-title date-revised="2021-02-01"><title-part><text>using capacitors charged and discharged alternately by semiconductor devices with control electrode </text><CPC-specific-text><text>, e.g. charge pumps</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="H02M3/071" definition-exists="false" ipc-concordant="H02M3/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/071</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>adapted to generate a negative voltage output from a positive voltage source</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M3/072" definition-exists="false" ipc-concordant="H02M3/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/072</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>adapted to generate an output voltage whose value is lower than the input voltage</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M3/073" definition-exists="false" ipc-concordant="H02M3/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/073</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Charge pumps of the Schenkel-type</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/075" definition-exists="false" ipc-concordant="H02M3/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/075</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>including a plurality of stages and two sets of clock signals, one set for the odd and one set for the even numbered stages</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/076" definition-exists="false" ipc-concordant="H02M3/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/076</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the clock signals being boosted to a value being higher than the input voltage value</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/077" definition-exists="false" ipc-concordant="H02M3/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/077</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with parallel connected charge pump stages</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/078" definition-exists="false" ipc-concordant="H02M3/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/078</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with means for reducing the back bias effect, i.e. the effect which causes the threshold voltage of transistors to increase as more stages are added to the converters</text></CPC-specific-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="10" additional-only="false" sort-key="H02M3/08" definition-exists="false" ipc-concordant="H02M3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes without control electrode or semiconductor devices without control electrode</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="H02M3/10" definition-exists="true" ipc-concordant="H02M3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes with control electrode or semiconductor devices with control electrode </text><reference><text><class-ref scheme="cpc">H02M3/07</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="H02M3/125" definition-exists="false" ipc-concordant="H02M3/125" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using devices of a thyratron or thyristor type requiring extinguishing means</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M3/13" definition-exists="false" ipc-concordant="H02M3/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M3/135" definition-exists="false" ipc-concordant="H02M3/135" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/135</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/137" definition-exists="false" ipc-concordant="H02M3/137" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/137</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with automatic control of output voltage or current, e.g. switching regulators</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/139" definition-exists="false" ipc-concordant="H02M3/139" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/139</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with digital control</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/142" definition-exists="false" ipc-concordant="H02M3/142" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including plural semiconductor devices as final control devices for a single load</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="11" additional-only="false" sort-key="H02M3/145" definition-exists="false" ipc-concordant="H02M3/145" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using devices of a triode or transistor type requiring continuous application of a control signal</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M3/15" definition-exists="false" ipc-concordant="H02M3/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M3/155" definition-exists="false" ipc-concordant="H02M3/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/155</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/1552" definition-exists="false" ipc-concordant="H02M3/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/1552</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Boost converters exploiting the leakage inductance of a transformer or of an alternator as boost inductor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/1555" definition-exists="false" ipc-concordant="H02M3/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/1555</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>for the generation of a regulated current to a load whose impedance is substantially inductive</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/1557" definition-exists="false" ipc-concordant="H02M3/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/1557</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Single ended primary inductor converters [SEPIC]</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/156" definition-exists="false" ipc-concordant="H02M3/156" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/156</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with automatic control of output voltage or current, e.g. switching regulators</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/1563" definition-exists="false" ipc-concordant="H02M3/156" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/1563</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>without using an external clock </text><reference><text><class-ref scheme="cpc">H02M3/158</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="14" additional-only="false" sort-key="H02M3/1566" definition-exists="false" ipc-concordant="H02M3/156" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/1566</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with means for compensating against rapid load changes, e.g. with auxiliary current source, with dual mode control or with inductance variation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/157" definition-exists="false" ipc-concordant="H02M3/157" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/157</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with digital control</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/158" definition-exists="false" ipc-concordant="H02M3/158" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/158</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including plural semiconductor devices as final control devices for a single load</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M3/1582" definition-exists="false" ipc-concordant="H02M3/158" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/1582</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Buck-boost converters </text><reference><text><class-ref scheme="cpc">H02M3/1584</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="15" additional-only="false" sort-key="H02M3/1584" definition-exists="false" ipc-concordant="H02M3/158" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/1584</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a plurality of power processing stages connected in parallel</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H02M3/1586" definition-exists="false" ipc-concordant="H02M3/158" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/1586</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>switched with a phase shift, i.e. interleaved</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="15" additional-only="false" sort-key="H02M3/1588" definition-exists="false" ipc-concordant="H02M3/158" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/1588</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising at least one synchronous rectifier element </text><reference><text><class-ref scheme="cpc">H02M3/1582</class-ref>, <class-ref scheme="cpc">H02M3/1584</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></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="H02M3/16" definition-exists="false" ipc-concordant="H02M3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by dynamic converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M3/18" definition-exists="false" ipc-concordant="H02M3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using capacitors or batteries which are alternately charged and discharged, e.g. charged in parallel and discharged in series</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="H02M3/20" definition-exists="false" ipc-concordant="H02M3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by combination of static with dynamic converters</text></title-part><title-part><text>by combination of dynamo-electric with other dynamic or static converters</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="H02M3/22" definition-exists="false" ipc-concordant="H02M3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with intermediate conversion into ac</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M3/24" definition-exists="false" ipc-concordant="H02M3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by static converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M3/26" definition-exists="false" ipc-concordant="H02M3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes without control electrode or semiconductor devices without control electrode to produce the intermediate ac</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="H02M3/28" definition-exists="false" ipc-concordant="H02M3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M3/285" definition-exists="false" ipc-concordant="H02M3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Single converters with a plurality of output stages connected in parallel </text><reference><text>parallel operation of a plurality of converters in dc distribution networks <class-ref scheme="cpc">H02J1/10</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="H02M3/305" definition-exists="false" ipc-concordant="H02M3/305" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using devices of a thyratron or thyristor type requiring extinguishing means</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M3/31" definition-exists="false" ipc-concordant="H02M3/31" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M3/315" definition-exists="false" ipc-concordant="H02M3/315" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/315</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/3155" definition-exists="false" ipc-concordant="H02M3/315" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/3155</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with automatic control of the output voltage or current</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="11" additional-only="false" sort-key="H02M3/325" definition-exists="false" ipc-concordant="H02M3/325" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using devices of a triode or a transistor type requiring continuous application of a control signal</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M3/33" definition-exists="false" ipc-concordant="H02M3/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/33</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M3/335" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/335</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/33507" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/33507</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with automatic control of the output voltage or current, e.g. flyback converters </text><reference><text><class-ref scheme="cpc">H02M3/33561</class-ref>, <class-ref scheme="cpc">H02M3/33569</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/33515" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/33515</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with digital control</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/33523" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/33523</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with galvanic isolation between input and output of both the power stage and the feedback loop</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="13" additional-only="false" sort-key="H02M3/3353" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/3353</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having at least two simultaneously operating switches on the input side, e.g. "double forward" or "double (switched) flyback" converter</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/33538" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/33538</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the forward type </text><reference><text><class-ref scheme="cpc">H02M3/3353</class-ref>, <class-ref scheme="cpc">H02M3/33569</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/33546" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/33546</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with automatic control of the output voltage or current </text><reference><text><class-ref scheme="cpc">H02M3/33561</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M3/33553" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/33553</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with galvanic isolation between input and output of both the power stage and the feedback loop</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="13" additional-only="false" sort-key="H02M3/33561" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/33561</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having more than one ouput with independent control</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M3/33569" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/33569</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having several active switching elements </text><reference><text><class-ref scheme="cpc">H02M3/3353</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02M3/33569</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H02M3/33571</class-ref>, <class-ref scheme="cpc">H02M3/33573</class-ref>, <class-ref scheme="cpc">H02M3/01</class-ref> and <class-ref scheme="cpc">H02M3/015</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/33571" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/33571</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Half-bridge at primary side of an isolation transformer</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02M3/33571</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">H02M3/33569</class-ref> and <class-ref scheme="cpc">H02M3/337</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M3/33569</class-ref>, <class-ref scheme="cpc">H02M3/337</class-ref> and <class-ref scheme="cpc">H02M3/33571</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/33573" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/33573</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Full-bridge at primary side of an isolation transformer</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02M3/33573</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">H02M3/33569</class-ref> and <class-ref scheme="cpc">H02M3/337</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M3/33569</class-ref>, <class-ref scheme="cpc">H02M3/337</class-ref> and <class-ref scheme="cpc">H02M3/33573</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/33576" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/33576</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having at least one active switching element at the secondary side of an isolation transformer</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M3/33584" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/33584</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bidirectional converters</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M3/33592" definition-exists="false" ipc-concordant="H02M3/335" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/33592</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer</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="13" additional-only="false" sort-key="H02M3/337" definition-exists="true" ipc-concordant="H02M3/337" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M3/337</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>in push-pull configuration </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H02M3/33576</class-ref> takes precedence; with self-oscillating arrangements <class-ref scheme="cpc">H02M3/3382</class-ref>, <class-ref scheme="cpc">H02M3/3385</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02M3/337</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">H02M3/33571</class-ref>, <class-ref scheme="cpc">H02M3/33573</class-ref>, <class-ref scheme="cpc">H02M3/01</class-ref> and <class-ref scheme="cpc">H02M3/015</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/3372" definition-exists="false" ipc-concordant="H02M3/337" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/3372</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the parallel type</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M3/3374" definition-exists="false" ipc-concordant="H02M3/337" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/3374</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with preregulator, e.g. current injected push-pull</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="14" additional-only="false" sort-key="H02M3/3376" definition-exists="false" ipc-concordant="H02M3/337" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/3376</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with automatic control of output voltage or current</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M3/3378" definition-exists="false" ipc-concordant="H02M3/337" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/3378</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a push-pull configuration of the parallel type </text><reference><text><class-ref scheme="cpc">H02M3/3374</class-ref> takes precedence</text></reference></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="13" additional-only="false" sort-key="H02M3/338" definition-exists="true" ipc-concordant="H02M3/338" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/338</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a self-oscillating arrangement </text><reference><text><class-ref scheme="cpc">H02M3/337</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/3381" definition-exists="false" ipc-concordant="H02M3/338" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/3381</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a single commutation path</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M3/3382" definition-exists="false" ipc-concordant="H02M3/338" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/3382</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a push-pull circuit arrangement</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M3/3384" definition-exists="false" ipc-concordant="H02M3/338" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/3384</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the parallel type</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="14" additional-only="false" sort-key="H02M3/3385" definition-exists="false" ipc-concordant="H02M3/338" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/3385</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with automatic control of output voltage or current </text><reference><text><class-ref scheme="cpc">H02M3/33561</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M3/3387" definition-exists="false" ipc-concordant="H02M3/338" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/3387</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a push-pull configuration</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H02M3/3388" definition-exists="false" ipc-concordant="H02M3/338" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/3388</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the parallel type</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></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="H02M3/34" definition-exists="false" ipc-concordant="H02M3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by dynamic converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M3/36" definition-exists="false" ipc-concordant="H02M3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical parts to select progressively or to vary continuously the input potential</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="H02M3/38" definition-exists="false" ipc-concordant="H02M3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical contact-making and -breaking parts to interrupt a single potential</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M3/40" definition-exists="false" ipc-concordant="H02M3/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the parts are rotating and collectors co-operate with brushes or rollers</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="H02M3/42" definition-exists="true" ipc-concordant="H02M3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-02-01" status="published"><classification-symbol>H02M3/42</classification-symbol><class-title date-revised="2021-02-01"><title-part><text>with electromagnetically-operated vibrating contacts, e.g. chopper</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="H02M3/44" definition-exists="false" ipc-concordant="H02M3/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M3/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by combination of static with dynamic converters</text></title-part><title-part><text>by combination of dynamo-electric with other dynamic or static converters</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="H02M5/00" definition-exists="true" ipc-concordant="H02M5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02M5/005" definition-exists="false" ipc-concordant="H02M5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using discharge tubes</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="H02M5/02" definition-exists="false" ipc-concordant="H02M5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without intermediate conversion into dc</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M5/04" definition-exists="false" ipc-concordant="H02M5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by static converters </text><reference><text>controlling transformers, reactors or choke coils, e.g. by tap changing <class-ref scheme="cpc">H02P13/00</class-ref></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="H02M5/06" definition-exists="false" ipc-concordant="H02M5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using impedances</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M5/08" definition-exists="false" ipc-concordant="H02M5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using capacitors only</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="H02M5/10" definition-exists="false" ipc-concordant="H02M5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using transformers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M5/12" definition-exists="false" ipc-concordant="H02M5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for conversion of voltage or current amplitude only</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="H02M5/14" definition-exists="false" ipc-concordant="H02M5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for conversion between circuits of different phase number</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="H02M5/16" definition-exists="false" ipc-concordant="H02M5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for conversion of frequency</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="H02M5/18" definition-exists="false" ipc-concordant="H02M5/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for conversion of waveform</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="H02M5/20" definition-exists="false" ipc-concordant="H02M5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes without control electrode or semiconductor devices without control electrode</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="H02M5/22" definition-exists="false" ipc-concordant="H02M5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes with control electrode or semiconductor devices with control electrode</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M5/225" definition-exists="false" ipc-concordant="H02M5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising two stages of AC-AC conversion, e.g. having a high frequency intermediate link</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="H02M5/25" definition-exists="true" ipc-concordant="H02M5/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-02-01" status="published"><classification-symbol>H02M5/25</classification-symbol><class-title date-revised="2021-02-01"><title-part><text>using devices of a thyratron or thyristor type requiring extinguishing means</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M5/253" definition-exists="false" ipc-concordant="H02M5/253" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/253</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M5/257" definition-exists="false" ipc-concordant="H02M5/257" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/257</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M5/2573" definition-exists="false" ipc-concordant="H02M5/257" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/2573</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with control circuit</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M5/2576" definition-exists="false" ipc-concordant="H02M5/257" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/2576</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with digital control</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="12" additional-only="false" sort-key="H02M5/27" definition-exists="false" ipc-concordant="H02M5/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/27</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for conversion of frequency</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M5/271" definition-exists="false" ipc-concordant="H02M5/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/271</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from a three phase input voltage</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M5/272" definition-exists="false" ipc-concordant="H02M5/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/272</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for variable speed constant frequency systems</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M5/273" definition-exists="false" ipc-concordant="H02M5/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/273</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with digital control</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="11" additional-only="false" sort-key="H02M5/275" definition-exists="true" ipc-concordant="H02M5/275" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-02-01" status="published"><classification-symbol>H02M5/275</classification-symbol><class-title date-revised="2021-02-01"><title-part><text>using devices of a triode or transistor type requiring continuous application of a control signal</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M5/29" definition-exists="false" ipc-concordant="H02M5/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/29</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M5/293" definition-exists="false" ipc-concordant="H02M5/293" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/293</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M5/2932" definition-exists="false" ipc-concordant="H02M5/293" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M5/2932</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with automatic control of output voltage, current or power</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M5/2935" definition-exists="false" ipc-concordant="H02M5/293" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M5/2935</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using reverse phase control, i.e. turn-on of switches in series with load at zero crossing of input voltage, turn-off before next zero crossing</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M5/2937" definition-exists="false" ipc-concordant="H02M5/293" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M5/2937</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>using whole cycle control, i.e. switching an integer number of whole or half cycles of the AC input voltage</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="12" additional-only="false" sort-key="H02M5/297" definition-exists="false" ipc-concordant="H02M5/297" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/297</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for conversion of frequency</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="9" additional-only="false" sort-key="H02M5/32" definition-exists="false" ipc-concordant="H02M5/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by dynamic converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M5/34" definition-exists="false" ipc-concordant="H02M5/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical contact-making and -breaking parts</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M5/36" definition-exists="false" ipc-concordant="H02M5/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the parts are rotating and collectors co-operate with brushes or rollers</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="H02M5/38" definition-exists="false" ipc-concordant="H02M5/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by combination of static with dynamic converters</text></title-part><title-part><text>by combination of dynamo-electric with other dynamic or static converters</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="H02M5/40" definition-exists="false" ipc-concordant="H02M5/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with intermediate conversion into dc</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M5/42" definition-exists="false" ipc-concordant="H02M5/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by static converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M5/44" definition-exists="false" ipc-concordant="H02M5/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes or semiconductor devices to convert the intermediate dc into ac</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M5/443" definition-exists="false" ipc-concordant="H02M5/443" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/443</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using devices of a thyratron or thyristor type requiring extinguishing means</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M5/447" definition-exists="false" ipc-concordant="H02M5/447" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/447</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M5/45" definition-exists="false" ipc-concordant="H02M5/45" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/45</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M5/4505" definition-exists="false" ipc-concordant="H02M5/45" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/4505</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a rectifier with controlled elements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M5/451" definition-exists="false" ipc-concordant="H02M5/451" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/451</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with automatic control of output voltage or frequency</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M5/452" definition-exists="false" ipc-concordant="H02M5/452" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/452</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with automatic control of output waveform</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M5/453" definition-exists="false" ipc-concordant="H02M5/453" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/453</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using devices of a triode or transistor type requiring continuous application of a control signal</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M5/456" definition-exists="false" ipc-concordant="H02M5/456" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/456</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M5/458" definition-exists="false" ipc-concordant="H02M5/458" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/458</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M5/4585" definition-exists="false" ipc-concordant="H02M5/458" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/4585</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a rectifier with controlled elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></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="H02M5/46" definition-exists="false" ipc-concordant="H02M5/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by dynamic converters</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="H02M5/48" definition-exists="false" ipc-concordant="H02M5/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M5/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by combination of static with dynamic converters</text></title-part><title-part><text>by combination of dynamo-electric with other dynamic or static converters</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="H02M7/00" definition-exists="true" ipc-concordant="H02M7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Conversion of ac power input into dc power output</text></title-part><title-part><text>Conversion of dc power input into ac power output</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="H02M7/003" definition-exists="false" ipc-concordant="H02M7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/003</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Constructional details, e.g. physical layout, assembly, wiring or busbar connections</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="H02M7/006" definition-exists="false" ipc-concordant="H02M7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using discharge tubes</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="H02M7/02" definition-exists="false" ipc-concordant="H02M7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Conversion of ac power input into dc power output without possibility of reversal</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M7/04" definition-exists="false" ipc-concordant="H02M7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by static converters</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02M7/04</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">H02M7/05</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M7/04</class-ref> and <class-ref scheme="cpc">H02M7/05</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M7/043" definition-exists="false" ipc-concordant="H02M7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using transformers or inductors only</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="H02M7/046" definition-exists="false" ipc-concordant="H02M7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using discharge tubes</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="H02M7/05" definition-exists="false" ipc-concordant="H02M7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/05</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Capacitor coupled rectifiers</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02M7/05</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02M7/04</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M7/04</class-ref> and <class-ref scheme="cpc">H02M7/05</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M7/06" definition-exists="false" ipc-concordant="H02M7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes without control electrode or semiconductor devices without control electrode</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M7/062" definition-exists="false" ipc-concordant="H02M7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Avoiding or suppressing excessive transient voltages or currents</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="H02M7/064" definition-exists="false" ipc-concordant="H02M7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with several outputs</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="H02M7/066" definition-exists="false" ipc-concordant="H02M7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>particular circuits having a special characteristic</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="H02M7/068" definition-exists="false" ipc-concordant="H02M7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mounted on a transformer</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="H02M7/08" definition-exists="false" ipc-concordant="H02M7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for operation in parallel</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="H02M7/10" definition-exists="false" ipc-concordant="H02M7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for operation in series, e.g. for multiplication of voltage</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/103" definition-exists="false" ipc-concordant="H02M7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Containing passive elements (capacitively coupled) which are ordered in cascade on one source</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/106" definition-exists="false" ipc-concordant="H02M7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>With physical arrangement details</text></CPC-specific-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="10" additional-only="false" sort-key="H02M7/12" definition-exists="false" ipc-concordant="H02M7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes with control electrode or semiconductor devices with control electrode</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M7/125" definition-exists="false" ipc-concordant="H02M7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Avoiding or suppressing excessive transient voltages or currents</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="H02M7/145" definition-exists="false" ipc-concordant="H02M7/145" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using devices of a thyratron or thyristor type requiring extinguishing means</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/15" definition-exists="false" ipc-concordant="H02M7/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/151" definition-exists="false" ipc-concordant="H02M7/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/151</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with automatic control </text><reference><text><class-ref scheme="cpc">H02M7/153</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="13" additional-only="false" sort-key="H02M7/153" definition-exists="false" ipc-concordant="H02M7/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/153</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged for operation in parallel</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="12" additional-only="false" sort-key="H02M7/155" definition-exists="false" ipc-concordant="H02M7/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/155</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/1552" definition-exists="false" ipc-concordant="H02M7/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/1552</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a biphase or polyphase arrangement </text><reference><text>voltage multipliers <class-ref scheme="cpc">H02M7/19</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="13" additional-only="false" sort-key="H02M7/1555" definition-exists="false" ipc-concordant="H02M7/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/1555</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with control circuit</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M7/1557" definition-exists="false" ipc-concordant="H02M7/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/1557</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with automatic control of the output voltage or current</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="13" additional-only="false" sort-key="H02M7/162" definition-exists="false" ipc-concordant="H02M7/162" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a bridge configuration</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M7/1623" definition-exists="false" ipc-concordant="H02M7/162" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/1623</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with control circuit</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M7/1626" definition-exists="false" ipc-concordant="H02M7/162" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/1626</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with automatic control of the output voltage or current</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="13" additional-only="false" sort-key="H02M7/17" definition-exists="false" ipc-concordant="H02M7/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for operation in parallel</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/19" definition-exists="false" ipc-concordant="H02M7/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for operation in series, e.g. for voltage multiplication</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M7/21" definition-exists="false" ipc-concordant="H02M7/21" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using devices of a triode or transistor type requiring continuous application of a control signal</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/213" definition-exists="false" ipc-concordant="H02M7/213" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/213</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/217" definition-exists="false" ipc-concordant="H02M7/217" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/217</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/2173" definition-exists="false" ipc-concordant="H02M7/217" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/2173</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a biphase or polyphase circuit arrangement </text><reference><text><class-ref scheme="cpc">H02M7/2176</class-ref> takes precedence; voltage multipliers <class-ref scheme="cpc">H02M7/25</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="13" additional-only="false" sort-key="H02M7/2176" definition-exists="false" ipc-concordant="H02M7/217" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/2176</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a passive stage to generate a rectified sinusoidal voltage and a controlled switching element in series between such stage and the output</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/219" definition-exists="false" ipc-concordant="H02M7/219" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/219</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a bridge configuration</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M7/2195" definition-exists="false" ipc-concordant="H02M7/219" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/2195</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>the switches being synchronously commutated at the same frequency of the AC input voltage</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="13" additional-only="false" sort-key="H02M7/23" definition-exists="true" ipc-concordant="H02M7/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for operation in parallel </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H02M7/2176</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="13" additional-only="false" sort-key="H02M7/25" definition-exists="false" ipc-concordant="H02M7/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for operation in series, e.g. for multiplication of voltage</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="10" additional-only="false" sort-key="H02M7/26" definition-exists="false" ipc-concordant="H02M7/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using open-spark devices, e.g. Marx rectifier</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="H02M7/28" definition-exists="false" ipc-concordant="H02M7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrolytic rectifiers</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="H02M7/30" definition-exists="false" ipc-concordant="H02M7/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by dynamic converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M7/32" definition-exists="false" ipc-concordant="H02M7/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical contact-making and -breaking parts</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M7/34" definition-exists="false" ipc-concordant="H02M7/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the parts are rotating and collectors co-operate with brushes or rollers</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="H02M7/36" definition-exists="true" ipc-concordant="H02M7/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-02-01" status="published"><classification-symbol>H02M7/36</classification-symbol><class-title date-revised="2021-02-01"><title-part><text>with electromagnetically-operated vibrating contacts, e.g. chopper</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="H02M7/38" definition-exists="false" ipc-concordant="H02M7/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using one or more sparking electrodes rotating over counterelectrodes</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="H02M7/40" definition-exists="false" ipc-concordant="H02M7/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by combination of static with dynamic converters</text></title-part><title-part><text>by combination of dynamo-electric with other dynamic or static converters</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="H02M7/42" definition-exists="false" ipc-concordant="H02M7/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Conversion of dc power input into ac power output without possibility of reversal</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M7/44" definition-exists="false" ipc-concordant="H02M7/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by static converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M7/445" definition-exists="false" ipc-concordant="H02M7/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using discharge tubes</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="H02M7/46" definition-exists="false" ipc-concordant="H02M7/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes without control electrode or semiconductor devices without control electrode</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="H02M7/48" definition-exists="false" ipc-concordant="H02M7/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes with control electrode or semiconductor devices with control electrode</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M7/4803" definition-exists="false" ipc-concordant="H02M7/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/4803</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with means for reducing DC component from AC output voltage</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="H02M7/4807" definition-exists="false" ipc-concordant="H02M7/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/4807</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a high frequency intermediate AC stage</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="H02M7/4811" definition-exists="false" ipc-concordant="H02M7/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/4811</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>having auxiliary actively switched resonant commutation circuits connected to intermediate DC voltage or between two push-pull branches</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="H02M7/4815" definition-exists="false" ipc-concordant="H02M7/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/4815</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Resonant converters </text><reference><text><class-ref scheme="cpc">H02M7/4811</class-ref> and <class-ref scheme="cpc">H02M7/4826</class-ref> take precedence</text></reference></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="H02M7/4818" definition-exists="false" ipc-concordant="H02M7/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/4818</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with means for adaptation of resonance frequency, e.g. by modification of capacitance or inductance of resonance circuits</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="H02M7/4826" definition-exists="false" ipc-concordant="H02M7/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/4826</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>operating from a resonant DC source, i.e. the DC input voltage varies periodically, e.g. resonant DC-link inverters</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="H02M7/483" definition-exists="false" ipc-concordant="H02M7/483" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/483</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Converters with outputs that each can have more than two voltages levels</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02M7/483</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">H02M7/4833</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M7/483</class-ref> and <class-ref scheme="cpc">H02M7/4833</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/4833" definition-exists="false" ipc-concordant="H02M7/483" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/4833</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Capacitor voltage balancing</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02M7/4833</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02M7/483</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M7/483</class-ref> and <class-ref scheme="cpc">H02M7/4833</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/4835" definition-exists="false" ipc-concordant="H02M7/483" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/4835</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02M7/4835</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">H02M7/4837</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M7/4835</class-ref> and <class-ref scheme="cpc">H02M7/4837</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/4837" definition-exists="false" ipc-concordant="H02M7/483" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/4837</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Flying capacitor converters</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02M7/4837</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">H02M7/4835</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M7/4835</class-ref> and <class-ref scheme="cpc">H02M7/4837</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/487" definition-exists="false" ipc-concordant="H02M7/487" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/487</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Neutral point clamped inverters</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/49" definition-exists="false" ipc-concordant="H02M7/49" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/49</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combination of the output voltage waveforms of a plurality of converters</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="H02M7/493" definition-exists="false" ipc-concordant="H02M7/493" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/493</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the static converters being arranged for operation in parallel</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">H02M7/493</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">H02M1/0043</class-ref>.<br/>Groups <class-ref scheme="cpc">H02M7/493</class-ref> and <class-ref scheme="cpc">H02M1/0043</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M7/497" definition-exists="false" ipc-concordant="H02M7/497" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/497</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>sinusoidal output voltages being obtained by combination of several voltages being out of phase</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="H02M7/501" definition-exists="false" ipc-concordant="H02M7/501" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/501</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>sinusoidal output voltages being obtained by the combination of several pulse-voltages having different amplitude and width</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="H02M7/505" definition-exists="true" ipc-concordant="H02M7/505" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/505</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using devices of a thyratron or thyristor type requiring extinguishing means </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H02M7/4807</class-ref>, <class-ref scheme="cpc">H02M7/483</class-ref>, <class-ref scheme="cpc">H02M7/493</class-ref> and <class-ref scheme="cpc">H02M7/4826</class-ref> take precedence</text></reference></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="H02M7/51" definition-exists="false" ipc-concordant="H02M7/51" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/51</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/515" definition-exists="false" ipc-concordant="H02M7/515" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/515</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/5152" definition-exists="false" ipc-concordant="H02M7/515" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/5152</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with separate extinguishing means</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M7/5155" definition-exists="false" ipc-concordant="H02M7/515" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/5155</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>wherein each commutation element has its own extinguishing 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="13" additional-only="false" sort-key="H02M7/5157" definition-exists="false" ipc-concordant="H02M7/515" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/5157</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>wherein the extinguishing of every commutation element will be obtained by means of a commutation inductance, by starting another main commutation element in series with the first</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/516" definition-exists="false" ipc-concordant="H02M7/516" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/516</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Self-oscillating arrangements</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/517" definition-exists="false" ipc-concordant="H02M7/517" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/517</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with special starting equipment</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/519" definition-exists="true" ipc-concordant="H02M7/519" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/519</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a push-pull configuration </text><reference><text><class-ref scheme="cpc">H02M7/517</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="13" additional-only="false" sort-key="H02M7/521" definition-exists="false" ipc-concordant="H02M7/521" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/521</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a bridge configuration</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/523" definition-exists="false" ipc-concordant="H02M7/523" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/523</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with LC-resonance circuit in the main circuit</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M7/5233" definition-exists="false" ipc-concordant="H02M7/523" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/5233</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the commutation elements being in a push-pull arrangement</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M7/5236" definition-exists="false" ipc-concordant="H02M7/523" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/5236</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a series push-pull arrangement</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="13" additional-only="false" sort-key="H02M7/525" definition-exists="false" ipc-concordant="H02M7/525" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>H02M7/525</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>with automatic control of output waveform or frequency </text><reference><text><class-ref scheme="cpc">H02M7/517</class-ref> - <class-ref scheme="cpc">H02M7/523</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M7/527" definition-exists="false" ipc-concordant="H02M7/527" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/527</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by pulse width modulation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M7/529" definition-exists="false" ipc-concordant="H02M7/529" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/529</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using digital control</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M7/53" definition-exists="true" ipc-concordant="H02M7/53" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/53</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using devices of a triode or transistor type requiring continuous application of a control signal </text><CPC-specific-text><reference><text><class-ref scheme="cpc">H02M7/4807</class-ref>, <class-ref scheme="cpc">H02M7/493</class-ref> and <class-ref scheme="cpc">H02M7/4826</class-ref> take precedence</text></reference></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="H02M7/533" definition-exists="false" ipc-concordant="H02M7/533" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/533</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/537" definition-exists="false" ipc-concordant="H02M7/537" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/537</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only, e.g. single switched pulse inverters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/5375" definition-exists="false" ipc-concordant="H02M7/5375" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>H02M7/5375</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with special starting equipment</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/538" definition-exists="false" ipc-concordant="H02M7/538" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>H02M7/538</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>in a push-pull configuration </text><reference><text><class-ref scheme="cpc">H02M7/5375</class-ref> takes precedence </text><CPC-specific-text><text>; with oscillating arrangements <class-ref scheme="cpc">H02M7/53832</class-ref>, <class-ref scheme="cpc">H02M7/53846</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M7/53803" definition-exists="false" ipc-concordant="H02M7/538" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/53803</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with automatic control of output voltage or current</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M7/53806" definition-exists="false" ipc-concordant="H02M7/538" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/53806</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a push-pull configuration of the parallel type</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="14" additional-only="false" sort-key="H02M7/5381" definition-exists="false" ipc-concordant="H02M7/5381" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/5381</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Parallel type</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/5383" definition-exists="true" ipc-concordant="H02M7/5383" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/5383</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a self-oscillating arrangement </text><reference><text><class-ref scheme="cpc">H02M7/538</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M7/53832" definition-exists="false" ipc-concordant="H02M7/5383" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/53832</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a push-pull arrangement</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M7/53835" definition-exists="false" ipc-concordant="H02M7/5383" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/53835</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the parallel type</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="14" additional-only="false" sort-key="H02M7/53838" definition-exists="false" ipc-concordant="H02M7/53838" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/53838</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a single commutation path</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M7/53846" definition-exists="false" ipc-concordant="H02M7/53846" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/53846</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control circuits</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02M7/53846</class-ref> and subgroups is not complete, see provisionally also <class-ref scheme="cpc">H02M7/5383</class-ref> and subgroups</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M7/538463" definition-exists="false" ipc-concordant="H02M7/53846" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/538463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for thyristor type converters</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M7/538466" definition-exists="false" ipc-concordant="H02M7/53846" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/538466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for transistor type converters</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M7/53854" definition-exists="false" ipc-concordant="H02M7/53854" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/53854</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using thyristor type converters</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M7/53862" definition-exists="false" ipc-concordant="H02M7/53862" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/53862</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using transistor type converters</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/5387" definition-exists="false" ipc-concordant="H02M7/5387" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/5387</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a bridge configuration</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M7/53871" definition-exists="false" ipc-concordant="H02M7/5387" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/53871</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with automatic control of output voltage or current</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M7/53873" definition-exists="false" ipc-concordant="H02M7/5387" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/53873</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with digital control</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="H02M7/53875" definition-exists="false" ipc-concordant="H02M7/5387" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/53875</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with analogue control of three-phase output</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="16" additional-only="false" sort-key="H02M7/53876" definition-exists="false" ipc-concordant="H02M7/5387" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/53876</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>based on synthesising a desired voltage vector via the selection of appropriate fundamental voltage vectors, and corresponding dwelling times</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="15" additional-only="false" sort-key="H02M7/53878" definition-exists="false" ipc-concordant="H02M7/5387" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>H02M7/53878</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>by time shifting switching signals of one diagonal pair of the bridge with respect to the other diagonal pair</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="14" additional-only="false" sort-key="H02M7/5388" definition-exists="false" ipc-concordant="H02M7/5388" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/5388</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with asymmetrical configuration of switches</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">H02M7/5388</class-ref> is not complete, see provisionally also <class-ref scheme="cpc">H02M7/5387</class-ref> and subgroups</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/539" definition-exists="true" ipc-concordant="H02M7/539" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>H02M7/539</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>with automatic control of output wave form or frequency </text><reference><text><class-ref scheme="cpc">H02M7/5375</class-ref> - <class-ref scheme="cpc">H02M7/5387</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="H02M7/5395" definition-exists="false" ipc-concordant="H02M7/5395" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/5395</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by pulse-width modulation</text></title-part></class-title></classification-item></classification-item></classification-item></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="H02M7/54" definition-exists="false" ipc-concordant="H02M7/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by dynamic converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M7/56" definition-exists="false" ipc-concordant="H02M7/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical parts to select progressively, or to vary continuously, the input potential</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="H02M7/58" definition-exists="false" ipc-concordant="H02M7/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical contact-making and -breaking parts to interrupt a single potential</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M7/60" definition-exists="false" ipc-concordant="H02M7/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the parts are rotating and collectors co-operate with brushes or rollers</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="H02M7/62" definition-exists="true" ipc-concordant="H02M7/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-02-01" status="published"><classification-symbol>H02M7/62</classification-symbol><class-title date-revised="2021-02-01"><title-part><text>with electromagnetically-operated vibrating contacts, e.g. chopper</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="H02M7/64" definition-exists="false" ipc-concordant="H02M7/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by combination of static with dynamic converters</text></title-part><title-part><text>by combination of dynamo-electric with other dynamic or static converters</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="H02M7/66" definition-exists="false" ipc-concordant="H02M7/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with possibility of reversal</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="H02M7/68" definition-exists="false" ipc-concordant="H02M7/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by static converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M7/70" definition-exists="false" ipc-concordant="H02M7/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes without control electrode or semiconductor devices without control electrode</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="H02M7/72" definition-exists="false" ipc-concordant="H02M7/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes with control electrode or semiconductor devices with control electrode</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M7/75" definition-exists="true" ipc-concordant="H02M7/75" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-02-01" status="published"><classification-symbol>H02M7/75</classification-symbol><class-title date-revised="2021-02-01"><title-part><text>using devices of a thyratron or thyristor type requiring extinguishing means</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/753" definition-exists="false" ipc-concordant="H02M7/753" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/753</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/757" definition-exists="false" ipc-concordant="H02M7/757" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/757</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/7575" definition-exists="false" ipc-concordant="H02M7/757" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/7575</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for high voltage direct transmission link</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="H02M7/758" definition-exists="false" ipc-concordant="H02M7/758" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/758</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with automatic control of output waveform or frequency</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/77" definition-exists="false" ipc-concordant="H02M7/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/77</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for operation in parallel</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="H02M7/79" definition-exists="true" ipc-concordant="H02M7/79" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-02-01" status="published"><classification-symbol>H02M7/79</classification-symbol><class-title date-revised="2021-02-01"><title-part><text>using devices of a triode or transistor type requiring continuous application of a control signal</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/793" definition-exists="false" ipc-concordant="H02M7/793" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/793</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using discharge tubes only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/797" definition-exists="false" ipc-concordant="H02M7/797" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/797</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using semiconductor devices only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="H02M7/81" definition-exists="false" ipc-concordant="H02M7/81" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/81</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for operation in parallel</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M7/82" definition-exists="false" ipc-concordant="H02M7/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/82</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using open-spark devices, e.g. Marx rectifier</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="H02M7/84" definition-exists="false" ipc-concordant="H02M7/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/84</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrolytic rectifiers</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="H02M7/86" definition-exists="false" ipc-concordant="H02M7/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/86</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by dynamic converters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="H02M7/88" definition-exists="false" ipc-concordant="H02M7/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/88</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical parts to select progressively or to vary continuously the input potential</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="H02M7/90" definition-exists="false" ipc-concordant="H02M7/90" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/90</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanical contact-making and -breaking parts to interrupt a single potential</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="H02M7/92" definition-exists="false" ipc-concordant="H02M7/92" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/92</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the parts are rotating and collectors co-operate with brushes or rollers</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="H02M7/94" definition-exists="false" ipc-concordant="H02M7/94" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/94</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the parts are operated by rotating cams or cam-like devices</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="H02M7/95" definition-exists="true" ipc-concordant="H02M7/95" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-02-01" status="published"><classification-symbol>H02M7/95</classification-symbol><class-title date-revised="2021-02-01"><title-part><text>with electromagnetically-operated vibrating contacts, e.g. chopper</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="H02M7/96" definition-exists="false" ipc-concordant="H02M7/96" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/96</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with moving liquid contacts</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="H02M7/98" definition-exists="false" ipc-concordant="H02M7/98" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M7/98</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by combination of static with dynamic converters</text></title-part><title-part><text>by combination of dynamo-electric with other dynamic or static converters</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="H02M11/00" definition-exists="true" ipc-concordant="H02M11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>H02M11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Power conversion systems not covered by the preceding groups</text></title-part></class-title></classification-item></classification-item></classification-item></class-scheme> |