Television signal processing therefor

Full Title

Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Television signal recording > Television signal processing therefor

6 direct subcodes

Child Classifications

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H04N 5/911 for the suppression of noise
H04N 5/913 for scrambling
H04N 5/915 for field- or frame-skip recording or reproducing
H04N 5/917 for bandwidth reduction
H04N 5/92 Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
H04N 5/93 Regeneration of the television signal or of selected parts thereof

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