US PATENT SUBCLASS 330 / 78
.~.~ To or from electrode common to input and output


Current as of: June, 1999
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330 /   HD   AMPLIFIERS

75  DF  SIGNAL FEEDBACK {20}
76  DF  .~ Compensating for inter-electrode impedance (e.g., neutralization) {4}
78.~.~ To or from electrode common to input and output


DEFINITION

Classification: 330/78

(under subclass 76) Subject matter wherein the feedback for nullifying or mitigating the effects of inter-electrode impedance is applied to or from an electrode common to the input and output circuits of an amplifying device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

87+, for cathode impedance feedback. (See the search notes thereunder).

111, for signal feedback to or from an auxiliary grid or to the anode. See the search notes thereunder.