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 20/02 Arrangements for relaying broadcast information
- H04H 20/1 Arrangements for replacing or switching information during the broadcast or during the distribution
- H04H 20/12 Arrangements for monitoring, testing or troubleshooting
- 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 20/2 Arrangements for broadcast or distribution of identical information via plural systems
- H04H 20/26 Arrangements for switching distribution systems
- H04H 20/28 Arrangements for simultaneous broadcast of plural pieces of information
- 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
- H04H 20/44 Arrangements characterised by circuits or components specially adapted for broadcast
- H04H 20/53 Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H 20/65 Arrangements characterised by transmission systems for broadcast
- H04H 20/86 Arrangements characterised by special technical features of the broadcast information, e.g. signal form or information format
Top Applicants
Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT
- QUALCOMM US 97,396
- HUAWEI TECHNOLOGIES COMPANY CN 96,502
- SAMSUNG ELECTRONICS COMPANY KR 86,981
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
- HUAWEI TECHNOLOGIES COMPANY 55,349
- LG ELECTRONICS KR 53,649
- CANON 33,341
- SONY CORPORATION JP 32,761
- ZTE CORPORATION CN 32,274
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327