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DIFF Main Group
H03K 7/00

Modulating pulses with a continuously-variable modulating signal

Introduced: September 1968

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

Child Classifications

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  • H03K 7/02 Amplitude modulation, i.e. PAM IPC+CPC Available in IPC and CPC
  • H03K 7/04 Position modulation, i.e. PPM IPC+CPC Available in IPC and CPC
  • H03K 7/06 Frequency or rate modulation, i.e. PFM or PRM IPC+CPC Available in IPC and CPC
  • H03K 7/08 Duration or width modulation IPC+CPC Available in IPC and CPC
  • H03K 7/10 Combined modulation, e.g. rate modulation and amplitude modulation IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class H03,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 7,293
  2. QUALCOMM US 7,085
  3. MURATA MANUFACTURING COMPANY JP 5,982
  4. HUAWEI TECHNOLOGIES COMPANY CN 4,641
  5. INTEL CORPORATION US 3,863
  6. TEXAS INSTRUMENTS US 3,409
  7. MURATA MANUFACTURING COMPANY 2,874
  8. SK HYNIX KR 2,644
  9. SKYWORKS SOLUTIONS US 2,545
  10. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,437