IPC Subgroup
H04N 3/18 Generation of supply voltages, in combination with electron beam deflecting
Introduced: September 1968
Last revised: January 2006
Full Title
Scanning details of television systems; Combination thereof with generation of supply voltages > by means not exclusively optical-mechanical > by deflecting electron beam in cathode-ray tube > Generation of supply voltages, in combination with electron beam deflecting
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION
2 direct subcodes
Child Classifications
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- H04N 3/185 Maintaining DC voltage constant
- H04N 3/19 Arrangements or assemblies in supply circuits for the purpose of withstanding high voltages