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IPC Subgroup
H03C 3/42

by means of electromechanical devices

Introduced: January 1980

Last revised: January 2006

Full Title

Angle modulation > by means of electromechanical devices

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
MODULATION

Scope Notes

Limiting references: Angle modulation using variable impedance driven mechanically or acoustically