US PATENT SUBCLASS 455 / 13.1
.~.~.~ With plural repeater or relay systems


Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

7  DF  CARRIER WAVE REPEATER OR RELAY SYSTEM (I.E., RETRANSMISSION OF SAME INFORMATION) {12}
11.1  DF  .~ Portable or mobile repeater {1}
12.1  DF  .~.~ Space satellite {4}
13.1.~.~.~ With plural repeater or relay systems


DEFINITION

Classification: 455/13.1

With plural repeater or relay systems:

(under subclass 12.1) Subject matter having more than one modulated carrier wave and having a repeater or a relay for each modulated carrier wave.

(1) Note. The subject matter of this subclass is limited to plural single channel repeaters; whenever plural independent messages are simultaneously transmitted, classification is elsewhere.

SEE OR SEARCH CLASS

370, Multiplex Communications, for plural independent messages are simultaneously transmitted,