US PATENT SUBCLASS 370 / FOR 123
.~ Multiple frequency translations (370/120)

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

FOR 122  DF  FREQUENCY DIVISION (370/69.1) {10}
FOR 123.~ Multiple frequency translations (370/120)

DEFINITION

Classification: 370/FOR.123

Multiple frequency translations:

Foreign art collection including subject matter in which multiple translations in frequency are performed on at least one information signal in a frequency division multiplex system.