DIFF Main Group
H04H 20/00 Arrangements for broadcast or for distribution combined with broadcast
Introduced: January 2009
IPC and CPC are identically structured here. All 15 subcodes exist in both systems.
4 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2008.
Child Classifications
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- H04H 20/02 Arrangements for relaying broadcast information since 2008 IPC+CPC Available in IPC and CPC
- H04H 20/10 Arrangements for replacing or switching information during the broadcast or the distribution since 2008 +2 CPC IPC+CPC Available in IPC and CPC
- H04H 20/12 Arrangements for observation, testing or troubleshooting since 2008 IPC+CPC Available in IPC and CPC
- H04H 20/16 Arrangements for broadcast or for distribution of identical information repeatedly since 2008 IPC+CPC Available in IPC and CPC
- H04H 20/18 Arrangements for synchronising broadcast or distribution via plural systems since 2008 IPC+CPC Available in IPC and CPC
- H04H 20/20 Arrangements for broadcast or distribution of identical information via plural systems since 2008 IPC+CPC Available in IPC and CPC
- H04H 20/26 Arrangements for switching distribution systems since 2008 IPC+CPC Available in IPC and CPC
- H04H 20/28 Arrangements for simultaneous broadcast of plural pieces of information since 2008 IPC+CPC Available in IPC and CPC
- H04H 20/38 Arrangements for distribution where lower stations, e.g. receivers, interact with the broadcast since 2008 IPC+CPC Available in IPC and CPC
- H04H 20/40 Arrangements for broadcast specially adapted for accumulation-type receivers since 2008 IPC+CPC Available in IPC and CPC
- H04H 20/44 Arrangements characterised by circuits or components specially adapted for broadcast since 2008 IPC+CPC Available in IPC and CPC
- H04H 20/53 Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers since 2008 IPC+CPC Available in IPC and CPC
- H04H 20/65 Arrangements characterised by transmission systems for broadcast since 2008 IPC+CPC Available in IPC and CPC
- H04H 20/86 Arrangements characterised by the broadcast information itself since 2008 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class H04,2013–2023, worldwide · Source: EPO PATSTAT
- HUAWEI TECHNOLOGIES COMPANY CN 101,476
- QUALCOMM US 101,139
- SAMSUNG ELECTRONICS COMPANY KR 96,655
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
- LG ELECTRONICS KR 55,253
- HUAWEI TECHNOLOGIES COMPANY 54,181
- SONY CORPORATION JP 35,309
- ZTE CORPORATION CN 32,950
- INTEL CORPORATION US 27,533
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498