Satellite telecommunications facility capable of covering a plur

Details Satellite telecommunications facility capable of covering a plur Satellite telecommunications facility capable of covering a plur

1994-02-28

1995-04-25

Eisenzopf, Reinhard J.

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455 134, 455 16, 455127, 342354, H04B 7185

Patent

active

054107318

ABSTRACT:
A direct television broadcasting satellite facility (S1, S2, S3) having at least two coverage areas (T1, T2). At the beginning of the life of the facility, with present Standards, only two satellites (S1, S2) each having two beams (F1 & F2 and F'1 & F'2) are used, each satellite having 12 channel and redundancy amplifiers for five channels. When high-definition television is subsequently introduced progressively, the amplifiers will be coupled together in parallel and in pairs, and at least one additional satellite (S3), identical to the two initial satellites, will be launched when required.

REFERENCES:
patent: 4070637 (1978-01-01), Assal et al.
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patent: 4755769 (1988-07-01), Katz
patent: 4831619 (1989-05-01), Rosen
patent: 4855619 (1989-08-01), Maitre
patent: 5083094 (1992-01-01), Forsberg
Elektronik, vol. 34, No. 2, Jan. 1985, pp. 117-124, Munich, Germany; H. Hofmann et al.: "Aufbau und Funktionsweise von Kommunikationssatelliten".
IEEE Communications Magazine, vol. 22, No. 3, Mar. 1984, pp. 26-34, IEEE, New York, US; R. G. Gould: "Transmission standards for direct broadcast satellites".
IEEE Transactions on Broadcasting, vol. BC-28, No. 4, Dec. 1982, pp. 176-181, IEEE, New York, US; K. Waki et al.: "Operational broadcasting satellite in Japan".

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