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IPC Main Group
H04H 20/00

Arrangements for broadcast or for distribution combined with broadcast

Introduced: January 2009

Last revised: January 2008

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
BROADCAST COMMUNICATION

15 direct subcodes

Child Classifications

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  • H04H 20/1 Arrangements for replacing or switching information during the broadcast or during the distribution
  • H04H 20/16 Arrangements for broadcast or distribution of identical information repeatedly
  • H04H 20/18 Arrangements for synchronising broadcast or distribution via plural systems
  • H04H 20/26 Arrangements for switching distribution systems
  • H04H 20/38 Arrangements for distribution where lower stations, e.g. receivers, interact with the broadcast
  • H04H 20/4 Arrangements for broadcast specially adapted for accumulation-type receivers
  • H04H 20/42 Arrangements for resource management

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