CPC Subgroup
H04N 5/93 Regeneration of the television signal or of selected parts thereof
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 > Regeneration of the television signal or of selected parts thereof
7 direct subcodes
Child Classifications
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- H04N 5/931 for restoring the level of the reproduced signal
- H04N 5/932 Regeneration of analogue synchronisation signals
- H04N 5/935 Regeneration of digital synchronisation signals
- H04N 5/937 by assembling picture element blocks in an intermediate store
- H04N 5/94 Signal drop-out compensation
- H04N 5/95 Time-base error compensation
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