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IPC Subgroup
H04N 5/253

Picture signal generating by scanning motion picture films or slide opaques, e.g. for telecine

Introduced: January 1985

Last revised: January 2006

Full Title

Details of television systems > Studio circuitry; Studio devices; Studio equipment > Picture signal generating by scanning motion picture films or slide opaques, e.g. for telecine

Classification Context

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

Additional Content

Limiting references

Details of scanning of motion picture films, e.g. for telecine

Application references

Scanning of colour motion picture films, e.g. for telecine

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