CPC Main Group Additional Only
H03K 2217/00 Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
11 direct subcodes
Child Classifications
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- H03K 2217/0009 AC switches, i.e. delivering AC power to a load
- H03K 2217/0018 Special modifications or use of the back gate voltage of a FET
- H03K 2217/0027 Measuring means of, e.g. currents through or voltages across the switch
- H03K 2217/0036 Means reducing energy consumption
- H03K 2217/0045 Full bridges, determining the direction of the current through the load
- H03K 2217/0054 Gating switches, e.g. pass gates
- H03K 2217/0063 High side switches, i.e. the higher potential [DC] or life wire [AC] being directly connected to the switch and not via the load
- H03K 2217/0072 Low side switches, i.e. the lower potential [DC] or neutral wire [AC] being directly connected to the switch and not via the load
- H03K 2217/0081 Power supply means, e.g. to the switch driver
- H03K 2217/009 Resonant driver circuits
- H03K 2217/94 characterised by the way in which the control signal is generated
Top Applicants
Top 10 applicants by patent filingsfor class H03, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 7,293
- QUALCOMM US 7,085
- MURATA MANUFACTURING COMPANY JP 5,982
- HUAWEI TECHNOLOGIES COMPANY CN 4,641
- INTEL CORPORATION US 3,863
- TEXAS INSTRUMENTS US 3,409
- MURATA MANUFACTURING COMPANY 2,874
- SK HYNIX KR 2,644
- SKYWORKS SOLUTIONS US 2,545
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,437