US PATENT SUBCLASS 370 / FOR 105
.~ FDM switching (frequency division multiplexing) (370/57)

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

FOR 101  DF  MULTIPLEX SWITCHING (370/53) {5}
FOR 105.~ FDM switching (frequency division multiplexing) (370/57)

DEFINITION

Classification: 370/FOR.105

FDM switching (frequency division multiplexing):

Foreign art collection including subject matter wherein the signals to be switched are frequency division multiplexed.