IPC Subgroup
H03J 1/04 with optical indicating means
Introduced: September 1968
Last revised: January 2006
Full Title
Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general > Indicating arrangements > with optical indicating means
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS