IPC Main Group
H03J 7/00 Automatic frequency control; Automatic scanning over a band of frequencies
Introduced: January 1980
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open