US PATENT SUBCLASS 455 / 103
.~ Plural separate transmitters or channels


Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

91  DF  TRANSMITTER {22}
103.~ Plural separate transmitters or channels {2}
104  DF  .~.~> Carrier and sidebands separately transmitted
105  DF  .~.~> Common frequency


DEFINITION

Classification: 455/103

Plural separate transmitters or channels:

(under subclass 91) Subject matter where there are plural transmission channels formed of separate complete transmitters, capable of independent operation.

(1) Note. The plural transmitters may be interconnected to a common antenna, by a common power supply or by a common control signal path.

(2) Note. Systems using multiplex techniques to combine separate messages and apply to a common antenna are classified in Class 370, subclasses 339+.