US PATENT SUBCLASS 370 / 535
.~.~ Multiplexing combined with demultiplexing

Current as of: June, 1999
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370 /   HD   MULTIPLEX COMMUNICATIONS

464  DF  COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS {9}
498  DF  .~ Combining or distributing information via time channels {17}
535.~.~ Multiplexing combined with demultiplexing

DEFINITION

Classification: 370/535

Multiplexing combined with demultiplexing:

(under subclass 498) Subject matter including a system that combines techniques of simultaneous transmission and reception of plural signals over a common transmission medium.