Telecommunications – Carrier wave repeater or relay system – Two separate way transmission
Patent
1993-03-30
1994-01-11
Ng, Jin F.
Telecommunications
Carrier wave repeater or relay system
Two separate way transmission
455 17, 455 23, 455 541, 455 72, 381 30, H04B 714
Patent
active
052789900
ABSTRACT:
A radio communication system includes a central station such as a repeater for transmitting FM signals to a plurality of radios. The repeater 11 is capable of receiving both analog speech FM signals and compressed voice signals. This permits the use of energy efficient transmission schemes by some of the radios operating in the system while permitting use of both types of transmission by the various remote radios.
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Kotzin Michael D.
Van den Heuvel Anthony P.
Faile Andrew
Hernandez Pedro P.
Motorola Inc.
Ng Jin F.
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