IPC Subgroup
H03J 7/16 where the frequency control is accomplished by mechanical means, e.g. by a motor
Introduced: January 1980
Last revised: January 2006
Full Title
Automatic frequency control; Automatic scanning over a band of frequencies > Automatic frequency control > where the frequency control is accomplished by mechanical means, e.g. by a motor
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS