US PATENT SUBCLASS 370 / FOR 136
.~ Polarity multiplex (370/78)

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

FOR 135  DF  TIME DIVISION (370/77) {14}
FOR 136.~ Polarity multiplex (370/78)

DEFINITION

Classification: 370/FOR.136

Polarity multiplex:

Foreign art collection including subject matter in which positive and negative half cycles of a carrier wave are respectively modulated independently by signals from different sources.