CPC Subgroup
H04N 5/76 Television signal recording
Full Title
Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Television signal recording
9 direct subcodes
Child Classifications
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- H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
- H04N 5/78 using magnetic recording (H04N5/91 takes precedence )
- H04N 5/80 using electrostatic recording (H04N5/91 takes precedence)
- H04N 5/84 using optical recording (H04N5/80, H04N5/89, H04N5/91 take precedence)
- H04N 5/89 using holographic recording (H04N5/91 takes precedence)
- H04N 5/903 using variable electrical capacitive recording (H04N5/91 takes precedence)
- H04N 5/907 using static stores, e.g. storage tubes or semiconductor memories (H04N5/91 takes precedence)
- H04N 5/91 Television signal processing therefor
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