US PATENT SUBCLASS 375 / 353
PULSE AMPLITUDE MODULATION

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

353PULSE AMPLITUDE MODULATION

DEFINITION

Classification: 375/353

PULSE AMPLITUDE MODULATION:

(under the class definition) Subject matter in which the amplitude of the transmitted pulses represents the transmitted information.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

50+, for miscellaneous pulse amplitude discriminating and subclasses 178+ for miscellaneous rectangular or pulse waveform amplitude control.

329, Demodulators,

311, for pulse amplitude demodulation.

332, Modulators,

115+, for a pulse amplitude modulator, per se. 370, Multiplex Communications,

533, for a multiplexer or distributor using pulse amplitude modulation.