Improved multiple site communication system

Details Improved multiple site communication system Improved multiple site communication system

1986-05-19

1988-01-05

Lev, Robert

Telecommunications

Carrier wave repeater or relay system

Plural modulated carriers

379 59, 379 63, 455 20, H04B 726

Patent

active

047181087

ABSTRACT:
Disclosed is a communication system of the type adapted to communicate a message substantially simultaneously between a plurality of fixed location sites having respective radio coverage areas. The system has an arrangement comprising first and second radio frequency transceiver means located at respective first and second sites. The first radio frequency transceiver means is designed for operating on a first set of frequencies. The second radio frequency transceiver means is designed for operating on a respective different set of frequencies than the first set of frequencies. The second radio frequency transceiver means has means for receiving and converting the first set of frequencies to the respective different set of frequencies.

REFERENCES:
patent: 3632891 (1972-01-01), Basini et al.
patent: 4012597 (1977-03-01), Lynk, Jr. et al.
patent: 4152647 (1979-05-01), Gladden et al.
patent: 4188582 (1980-02-01), Cannalte et al.
patent: 4209749 (1981-06-01), Becker et al.
patent: 4312070 (1982-01-01), Coombes et al.
patent: 4578815 (1986-03-01), Persinotti

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