Transmission systems characterised by the manner in which the individual colour picture signal components are combined

Full Title

Colour television systems (details H04N9/00) > Transmission systems characterised by the manner in which the individual colour picture signal components are combined

4 direct subcodes

Child Classifications

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H04N 11/08 using sequential signals only (dot sequential systems H04N11/12)
H04N 11/12 using simultaneous signals only
H04N 11/18 using simultaneous and sequential signals, e.g. SECAM-system
H04N 11/20 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

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