Telecommunications – Transmitter and receiver at separate stations – Single message via plural carrier wave transmission
Patent
1986-09-29
1987-11-24
Griffin, Robert L.
Telecommunications
Transmitter and receiver at separate stations
Single message via plural carrier wave transmission
455 18, 455 57, 34082544, H04B 100, H04B 714
Patent
active
047094010
ABSTRACT:
In a radio paging system wherein paging calls are initiated by a central radio station and sent over lines to subordinate radio stations for transmission to paging devices, the subordinate stations are synchronized to transmit paging messages by introducing time delays between reception of a message from the central radio station before transmission, the time delays being functions of the message transmit times via the lines to the various other stations as well as the radio propogation time between the other stations.
REFERENCES:
patent: 4208630 (1980-06-01), Martinez
patent: 4255814 (1981-03-01), Osborn
patent: 4411007 (1983-10-01), Rodman
patent: 4578815 (1986-03-01), Persinotti
Griffin Robert L.
Kuntz Curtis
Telefonaktiebolaget LM Ericsson
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