US PATENT SUBCLASS 332 / 155
.~ Percent modulation control or automatic amplitude control of carrier or modulating signal

Current as of: June, 1999
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332 /   HD   MODULATORS

149  DF  AMPLITUDE MODULATOR {14}
155.~ Percent modulation control or automatic amplitude control of carrier or modulating signal {3}
156  DF  .~.~> Overmodulation prevention
157  DF  .~.~> Average carrier amplitude controlled by modulating signal
158  DF  .~.~> Carrier output suppressed during absence of modulating signal

DEFINITION

Classification: 332/155

Percent modulation control or automatic amplitude control of carrier or modulating signal:

(under subclass 149) Subject matter in which amplitude control is exerted on the carrier, the modulating signal, or the ratio therebetween without human intervention.

SEE OR SEARCH THIS CLASS, SUBCLASS:

125, for amplitude control in a frequency modulator.

SEE OR SEARCH CLASS

331, Oscillators,

109, and 182+ for an oscillator with amplitude control.

455, Telecommunications, 116, for control of carrier amplitude in a transmitter.