IPC Main Group
H03J 1/00 Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
3 direct subcodes
Child Classifications
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