IPC Subgroup
H03J 7/22 in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
Introduced: January 1980
Last revised: January 2006
Full Title
Automatic frequency control; Automatic scanning over a band of frequencies > Automatic scanning over a band of frequencies > where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element > in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS