IPC Main Group
H04N 5/00 Details of television systems
Introduced: September 1968
Last revised: January 2011
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION
Scope Notes
Glossary: KTC Thermal noise on capacitor | Limiting references: Scanning details of television systems; Combination thereof with generation of supply voltages | Application references: Details of colour television systems Details of stereoscopic television systems Servers specifically adapted for the selective distribution of content Client devices specifically adapted for the reception of, or interaction with, content in selective content distribution
12 direct subcodes
Child Classifications
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- H04N 5/04 Synchronising
- H04N 5/14 Picture signal circuitry for video frequency region
- H04N 5/222 Studio circuitry; Studio devices; Studio equipment
- H04N 5/3 Transforming light or analogous information into electric information
- H04N 5/38 Transmitter circuitry
- H04N 5/44 Receiver circuitry
- H04N 5/63 Generation or supply of power specially adapted for television receivers
- H04N 5/64 Constructional details of receivers, e.g. cabinets or dust covers
- H04N 5/66 Transforming electric information into light information
- H04N 5/72 Modifying the appearance of television pictures by optical filters or diffusing screens
- H04N 5/74 Projection arrangements for image reproduction, e.g. using eidophor
- H04N 5/76 Television signal recording