US PATENT SUBCLASS 332 / 123
.~ Including stabilization or alternatively distortion, noise or other interference prevention, reduction, or compensation

Current as of: June, 1999
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332 /   HD   MODULATORS

117  DF  FREQUENCY MODULATOR {6}
123.~ Including stabilization or alternatively distortion, noise or other interference prevention, reduction, or compensation {3}
124  DF  .~.~> Nonlinearity reduction or compensation
125  DF  .~.~> Automatic amplitude stabilization or control
126  DF  .~.~> Automatic frequency stabilization or control {1}

DEFINITION

Classification: 332/123

Including stabilization or alternatively distortion, noise or other interference prevention, reduction or compensation:

(under subclass 117) Subject matter including the neutralization of an undesirable characteristic of a frequency modulator or its signals.

(1) Note. In some instances, distortion may be introduced to the FM system in order to compensate for other inherent distortion.

(2) Note. The neutralized characteristic might be some form of system instability.

SEE OR SEARCH THIS CLASS, SUBCLASS:

107, for distortion or noise control in a pulse modulator.

159+, for distortion or noise control in an amplitude modulator.

SEE OR SEARCH CLASS

455, Telecommunications, 63+, and 501+ for noise control in a telecommunication system with separated transmitter and receiver and subclass 114 for harmonic radiation control in a transmitter.