US PATENT SUBCLASS 329 / 349
.~ Having specific distortion, noise or other interference prevention, reduction or compensation

Current as of: June, 1999
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329 /   HD   DEMODULATORS

347  DF  AMPLITUDE MODULATION DEMODULATOR {12}
349.~ Having specific distortion, noise or other interference prevention, reduction or compensation {4}
350  DF  .~.~> Automatic amplitude stabilization or control
351  DF  .~.~> Nonlinearity reduction or compensation
352  DF  .~.~> Temperature compensation
353  DF  .~.~> Noise reduction or compensation

DEFINITION

Classification: 329/349

Having specific distortion, noise or other interference prevention, reduction or compensation:

(under subclass 347) Subject matter including the neutralization of an undesirable characteristic of an amplitude modulation demodulator or its signals.

SEE OR SEARCH THIS CLASS, SUBCLASS:

318+, for distortion or noise control in a frequency modulation demodulator.

SEE OR SEARCH CLASS

455, Telecommunications,

63+, and 501+ for noise control in a telecommunication system with separated transmitter and receiver, and subclasses 296+ for receiver noise or interference control, particularly subclasses 309 and 312.