IPC Subgroup
H04N 5/5 Tuning indicators; Automatic tuning control
Introduced: September 1968
Last revised: January 2006
Full Title
Details of television systems > Receiver circuitry > Tuning indicators; Automatic tuning control
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION