US PATENT SUBCLASS 375 / 346
.~ Interference or noise reduction

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

316  DF  RECEIVERS {9}
346.~ Interference or noise reduction {5}
347  DF  .~.~> Diversity (frequency or time)
348  DF  .~.~> Intersymbol interference
349  DF  .~.~> Plural signal paths in receiver
350  DF  .~.~> By filtering (e.g., digital)
351  DF  .~.~> Gating, blanking, etc.

DEFINITION

Classification: 375/346

Interference or noise reduction:

(under subclass 316) Subject matter where the deleterious effects of extraneous signals are eliminated or suppressed at the receiver.

SEE OR SEARCH THIS CLASS, SUBCLASS:

285, for systems with antinoise provisions.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems, appropriate subclasses and particularly

310+, 384+, and 551+ for miscellaneous or unwanted signal suppression.

348, Television, 607+, for noise or undesired signal reduction.

455, Telecommunications,

296+, for carrier wave receivers with noise reduction not limited to or claiming pulse type signal.