IPC Subgroup
H03J 3/02 Details
Introduced: September 1968
Last revised: January 2006
Full Title
Continuous tuning > Details
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
5 direct subcodes
Child Classifications
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- H03J 3/04 Arrangements for compensating for variations of physical values, e.g. temperature
- H03J 3/06 Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
- H03J 3/1 Circuit arrangements for fine tuning, e.g. bandspreading
- H03J 3/12 Electrically-operated arrangements for indicating correct tuning
- H03J 3/16 Tuning without displacement of reactive element, e.g. by varying permeability