US PATENT SUBCLASS 330 / 106
.~ In series with input source

Current as of: June, 1999
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330 /   HD   AMPLIFIERS

75  DF  SIGNAL FEEDBACK {20}
106.~ In series with input source

DEFINITION

Classification: 330/106

(under subclass 75) Subject matter wherein the "signal feedback circuit means" is in series with the signal input source between the point in the signal circuit from which the signal feedback is derived to the point in the circuit at which the signal feedback is applied.