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IPC Subgroup
H04N 5/761

Systems for programming the time at which predetermined television channels will be selected for recording

Introduced: January 2000

Last revised: January 2006

Full Title

Details of television systems > Television signal recording > Systems for programming the time at which predetermined television channels will be selected for recording

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
PICTORIAL COMMUNICATION, e.g. TELEVISION

Related Keywords

PROGRAMMING for recording of television signals

2 direct subcodes

Child Classifications

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  • H04N 5/7613 by using data entered by the user and a reference timing clock incorporated in the recorder
  • H04N 5/7617 by using data entered by the user and reference data transmitted by the broadcasting station

Top Applicants

Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 97,396
  2. HUAWEI TECHNOLOGIES COMPANY CN 96,502
  3. SAMSUNG ELECTRONICS COMPANY KR 86,981
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
  5. HUAWEI TECHNOLOGIES COMPANY 55,349
  6. LG ELECTRONICS KR 53,649
  7. CANON 33,341
  8. SONY CORPORATION JP 32,761
  9. ZTE CORPORATION CN 32,274
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327