US PATENT SUBCLASS 455 / FOR 107
.~.~ Noise, distortion, or singing reduction (455/50.1)

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

899  DF  MISCELLANEOUS {5}
FOR 106  DF  .~ Plural transmitters or receivers (i.e., more than two stations) (455/49.1) {4}
FOR 107.~.~ Noise, distortion, or singing reduction (455/50.1) {2}
FOR 108  DF  .~.~.~> Synchronized stations (455/51.1) {1}
FOR 110  DF  .~.~.~> Fading compensation (455/52.1) {2}

DEFINITION

Classification: 455/FOR.107

Noise, distortion, or singing reduction:

Foreign art collection wherein any undesired electrical disturbance within the useful frequency band arising from sources internal or external to the system (e.g., crosstalk, power induction, atmospheric noise, etc.); or any undesired self-sustained oscillation existing in the system; or other unwanted signals tending to interfere with the operation of the system is reduced or prevented entirely.