US PATENT SUBCLASS 332 / 158
.~.~ Carrier output suppressed during absence of modulating signal


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332 /   HD   MODULATORS

149  DF  AMPLITUDE MODULATOR {14}
155  DF  .~ Percent modulation control or automatic amplitude control of carrier or modulating signal {3}
158.~.~ Carrier output suppressed during absence of modulating signal


DEFINITION

Classification: 332/158

Carrier output suppressed during absence of modulating signal:

(under subclass 155) Subject matter in which the automatic control eliminates the carrier in response to a lack of modulating signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

167+, for a suppressed carrier, double sideband amplitude modulator.

SEE OR SEARCH CLASS

455, Telecommunications,

116, for carrier amplitude control in a telecommunications transmitter.