H04N 5/222 Studio circuitry; Studio devices; Studio equipment (cameras or camera modules comprising electronic image sensors, or control thereof H04N23/00)
Introduced: January 1985
Title
Titles differ between systems:
IPC: Studio circuitry; Studio devices; Studio equipment
CPC: Studio circuitry; Studio devices; Studio equipment (cameras or camera modules comprising electronic image sensors, or control thereof H04N23/00)
Full Title
Full titles differ between systems:
Details of television systems > Studio circuitry; Studio devices; Studio equipment
Details of television systems (scanning details or combination thereof with generation of supply voltages H04N3/00) > Studio circuitry; Studio devices; Studio equipment (cameras or camera modules comprising electronic image sensors, or control thereof H04N23/00)
Additional Content IPC
Limiting references
Cameras or camera modules comprising electronic image sensors; Control thereof
Application references
Studio equipment related to broadcast communication
Of 7 combined children, 4 exist in both systems.
3 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- H04N 5/253 Picture signal generating by scanning motion picture films or slide opaques, e.g. for telecine (scanning details therefor H04N3/36 ) since 1985 IPC+CPC Available in IPC and CPC
- H04N 5/257 Picture signal generators using flying-spot scanners (H04N5/253 takes precedence) since 1985 IPC+CPC Available in IPC and CPC
- H04N 5/262 Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects since 1985 +5 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class H04,2013–2023, worldwide · Source: EPO PATSTAT
- QUALCOMM US 97,396
- HUAWEI TECHNOLOGIES COMPANY CN 96,502
- SAMSUNG ELECTRONICS COMPANY KR 86,981
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
- HUAWEI TECHNOLOGIES COMPANY 55,349
- LG ELECTRONICS KR 53,649
- CANON 33,341
- SONY CORPORATION JP 32,761
- ZTE CORPORATION CN 32,274
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327
Top Applicants (CPC)
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