US PATENT SUBCLASS 370 / FOR 122
FREQUENCY DIVISION (370/69.1)

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

FOR 122FREQUENCY DIVISION (370/69.1) {10}
FOR 123  DF  .~> Multiple frequency translations (370/120)
FOR 124  DF  .~> Carrier generation (370/121)
FOR 125  DF  .~> Angle modulation (370/122)
FOR 126  DF  .~> Filtering techniques (370/123)
FOR 127  DF  .~> Digital analysis or synthesis of group (370/70)
FOR 128  DF  .~> Subscriber carrier (370/71) {2}
FOR 131  DF  .~> Bus (distributed stations) (370/124)
FOR 132  DF  .~> Pilot (370/74)
FOR 133  DF  .~> Repeaters (370/75)
FOR 134  DF  .~> Signalling (370/76)

DEFINITION

Classification: 370/FOR.122

FREQUENCY DIVISION:

Foreign art collection including subject matter in which the frequency spectrum of the transmission medium is divided into segments and respective information channels are transmitted in differing segments.