IPC Subgroup
H04N 11/06 Transmission systems characterised by the manner in which the individual colour picture signal components are combined
Introduced: January 1985
Last revised: January 2006
Full Title
Colour television systems > Transmission systems characterised by the manner in which the individual colour picture signal components are combined
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION
4 direct subcodes
Child Classifications
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- H04N 11/08 using sequential signals only
- H04N 11/12 using simultaneous signals only
- H04N 11/18 using simultaneous and sequential signals, e.g. SECAM-system
- H04N 11/2 Conversion of the manner in which the individual colour picture signal components are combined, e.g. conversion of colour television standards
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