US PATENT SUBCLASS 375 / 284
.~.~.~ Antinoise or distortion


Current as of: June, 1999
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375 /   HD   PULSE OR DIGITAL COMMUNICATIONS

259  DF  SYSTEMS USING ALTERNATING OR PULSATING CURRENT {4}
271  DF  .~ Angle modulation {2}
279  DF  .~.~ Phase shift keying {4}
284.~.~.~ Antinoise or distortion


DEFINITION

Classification: 375/284

Antinoise or distortion:

(under subclass 279) Subject matter where there is provision for correction or reduction of the effects of extraneous pulses or of distortion of the wave shape of the transmitted signals.

SEE OR SEARCH THIS CLASS, SUBCLASS:

278, for antinoise or distortion in a frequency shift keyed system.

285, for antinoise or distortion in pulse modulated carrier systems in general.

313, for key click prevention in a pulse modulated carrier transmitter.

346+, for pulse modulated carrier wave receivers with antinoise or antidistortion provisions.

353, for transmitter/receiver feedback compensation in a repeater.