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IPC Subgroup
H04N 5/64

Constructional details of receivers, e.g. cabinets or dust covers

Introduced: September 1968

Last revised: January 2006

Full Title

Details of television systems > Constructional details of receivers, e.g. cabinets or dust covers

Classification Context

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

Additional Content

Limiting references

Furniture aspects of television cabinets

Application references

Combinations of a television receiver with apparatus having a different main function

3 direct subcodes

Child Classifications

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  • H04N 5/645 Mounting of picture tube on chassis or in housing
  • H04N 5/65 Holding-devices for protective discs or for picture masks
  • H04N 5/655 Construction or mounting of chassis, e.g. for varying the elevation of the tube

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