CPC Subgroup
H04N 5/64 Constructional details of receivers, e.g. cabinets or dust covers (furniture aspects A47B81/06)
Full Title
Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Constructional details of receivers, e.g. cabinets or dust covers (furniture aspects A47B81/06)
4 direct subcodes
Child Classifications
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- H04N 5/645 Mounting of picture tube on chassis or in housing
- H04N 5/65 Holding-devices for protective discs or for picture masks
- H04N 5/655 Construction or mounting of chassis, e.g. for varying the elevation of the tube
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