Telegraphy – Systems – Printing
Patent
1975-12-23
1977-10-04
Griffin, Robert L.
Telegraphy
Systems
Printing
325 56, 325302, 178 691, 179 15BS, H04B 720
Patent
active
040526704
ABSTRACT:
A space diversity PCM-TDMA telecommunication system using a stationary communication satellite, in which fixed delay circuits are respectively inserted in the sending side and the receiving side of one route at a control equipment, while variable delay circuits are inserted in the sending side and the receiving side of the other route at the control equipment, so that electrical length of one route from the satellite to the control equipment may be the same as that of the other route from the satellite to the control equipment through the route including connection links between the two sites. Diversity switching can be performed with no duplication and lack of signals in accordance with the above construction.
REFERENCES:
patent: 3145341 (1964-08-01), Andrew
patent: 3428898 (1969-02-01), Jacobsen et al.
patent: 3611435 (1971-10-01), Cooper
patent: 3828777 (1974-08-01), Muratani et al.
Ogawa Akira
Saito Hideki
Watanabe Tatsuo
Yamaguchi, deceased Masahisa
Adams Bruce L.
Burns Robert E.
Chin Tommy P.
Griffin Robert L.
Kokusai Denshin Denwa Kabushiki Kaisha
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