US PATENT SUBCLASS 370 / 533
.~.~ Multiplexer or distributor using pulse amplitude modulation

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}
533.~.~ Multiplexer or distributor using pulse amplitude modulation

DEFINITION

Classification: 370/533

Multiplexer or distributor using pulse amplitude modulation:

(under subclass 498) Subject matter directed to (a) a scanning or sampling switch (multiplexer) operating above the Nyquist rate, or to (b) a demultiplexer or desampling switch (distributor) so operating, and in which the signals respectively from or to the multiplexer or distributor are transmitting in pulse amplitude modulated format (PAM).