US PATENT SUBCLASS 332 / 175
.~ Variable reactance controlled by modulating signal

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332 /   HD   MODULATORS

149  DF  AMPLITUDE MODULATOR {14}
175.~ Variable reactance controlled by modulating signal

DEFINITION

Classification: 332/175

Variable reactance controlled by modulating signal:

(under subclass 149) Subject matter in which the amplitude of the carrier is varied by varying a reactance in accordance with the modulating signal.

(1) Note. The variable reactance might be part of a tuning circuit, variation of which may be used to vary the gain of a circuit and thereby the amplitude of the carrier.