US PATENT SUBCLASS 381 / 107
.~ Automatic


Current as of: June, 1999
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381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

104  DF  INCLUDING AMPLITUDE OR VOLUME CONTROL {4}
107.~ Automatic {1}
108  DF  .~.~> Including feedback


DEFINITION

Classification: 381/107

Automatic:

(under subclass 104) Subject matter having means to control the signal level adjusting means automatically as a function of some characteristic of an input signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

22, for automatic gain control for decoding quadrasonic signals.