US PATENT SUBCLASS 330 / 267
.~.~.~ And particular biasing arrangement

Current as of: June, 1999
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330 /   HD   AMPLIFIERS

250  DF  WITH SEMICONDUCTOR AMPLIFYING DEVICE (E.G., TRANSISTOR) {21}
262  DF  .~ Including push-pull amplifier {8}
263  DF  .~.~ Having complementary symmetry {4}
267.~.~.~ And particular biasing arrangement {1}
268  DF  .~.~.~.~> To eliminate crossover distortion

DEFINITION

Classification: 330/267

And particular biasing arrangement:

(under subclass 263) Subject matter with specific details or distinctive characteristics of the biasing means applied to the amplifying device.

(1) Note. Merely claiming biasing means or bias filter by name only, or broadly without significant detail or distinctive characteristics, is insufficient for classification in this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

199+, for particular biasing in general.

261, for particular biasing in combination with a differential amplifier.

273, for particular biasing in combination with a push-pull amplifier.

285, for particular biasing in gain control circuits. 296, for particular biasing not in combination in any of the aforementioned.