US PATENT SUBCLASS 332 / 158
.~.~ Carrier output suppressed during absence of modulating signal
Current as of:
June, 1999
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332 /
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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.