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IPC Main Group
H03K 17/00

Electronic switching or gating, i.e. not by contact-making and -breaking

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
PULSE TECHNIQUE

Related Keywords

GATING of electric signalsSTROBING of electric signalselectronic SWITCH(ES)electronic SWITCHING

17 direct subcodes

Child Classifications

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  • H03K 17/06 Modifications for ensuring a fully conducting state
  • H03K 17/1 Modifications for increasing the maximum permissible switched voltage
  • H03K 17/12 Modifications for increasing the maximum permissible switched current
  • H03K 17/13 Modifications for switching at zero crossing
  • H03K 17/14 Modifications for compensating variations of physical values, e.g. of temperature
  • H03K 17/16 Modifications for eliminating interference voltages or currents
  • H03K 17/18 Modifications for indicating state of switch
  • H03K 17/2 Modifications for resetting core switching units to a predetermined state
  • H03K 17/26 Modifications for temporary blocking after receipt of control pulses
  • H03K 17/296 Modifications to provide a choice of time-intervals for executing more than one switching action and automatically terminating their operation after the programme is completed
  • H03K 17/3 Modifications for providing a predetermined threshold before switching

Top Applicants

Top 10 applicants by patent filingsfor class H03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 5,625
  2. SAMSUNG ELECTRONICS COMPANY KR 5,496
  3. MURATA MANUFACTURING COMPANY JP 5,478
  4. HUAWEI TECHNOLOGIES COMPANY CN 3,383
  5. INTEL CORPORATION US 3,091
  6. TEXAS INSTRUMENTS US 3,070
  7. MURATA MANUFACTURING COMPANY 2,722
  8. SKYWORKS SOLUTIONS US 2,290
  9. SEIKO EPSON CORPORATION 2,177
  10. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,158