US PATENT SUBCLASS 375 / 278
.~.~.~ 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}
272  DF  .~.~ Frequency shift keying {6}
278.~.~.~ Antinoise or distortion


DEFINITION

Classification: 375/278

Antinoise or distortion:

(under subclass 272) Subject matter with provision for correction or reduction of distortion or for removing or correcting for the effects of extraneous pulses.

SEE OR SEARCH THIS CLASS, SUBCLASS:

284+, for antinoise or distortion in a phase shift keying system.

285, for antinoise or distortion in a pulse modulated carrier system.

313, for key click prevention in a keying circuit.

346+, for antinoise or distortion in pulse modulated carrier wave receivers.