US PATENT SUBCLASS 375 / 237
PULSE NUMBER MODULATION


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

237PULSE NUMBER MODULATION


DEFINITION

Classification: 375/237

PULSE NUMBER MODULATION:

(under the class definition) Subject matter where the number of pulses in a group conveys the information to be transmitted.

SEE OR SEARCH CLASS

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

1+, for miscellaneous pulse characteristic discriminating and subclasses 100+ for miscellaneous pulse charateristic modifying.

329, Demodulators,

311+, for pulse demodulation.

370, Multiplex Communications, appropriate subclass for multiplexing systems using pulse modulation.