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IPC Subgroup
H03J 1/12

Friction drive

Introduced: September 1968

Last revised: January 2006

Full Title

Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general > Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control > Friction drive

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS