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IPC Subgroup
H03J 5/2

Settings determined by a number of positioning means actuated by a second means adjustable to different positions by the same or by a second auxiliary power

Introduced: September 1968

Last revised: January 2006

Full Title

Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner > with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings > operated by auxiliary power > Settings determined by a number of positioning means actuated by a second means adjustable to different positions by the same or by a second auxiliary power

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS

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