US PATENT SUBCLASS 330 / 77
.~.~ At least one push-pull stage

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}
77.~.~ At least one push-pull stage

DEFINITION

Classification: 330/77

(under subclass 76) Subject matter including at least one push-pull stage of signal amplification.

(1) Note. For the definition of a push-pull stage of amplification see the class definitions, section I.

SEE OR SEARCH THIS CLASS, SUBCLASS:

81+, for feedback amplifiers having at least one push-pull stage. See the search notes thereunder.

118+, for amplifiers including a push-pull stage. See search notes thereunder. See also (1) Note above.