Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Patent
1998-10-30
2000-12-26
Le, Hoanganh
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
343840, 343882, H01Q 312
Patent
active
061667005
ABSTRACT:
A method for configuring a satellite antenna (20) to receive a downlink signal from a geosychronous orbiting satellite (12) in a satellite communication system (10), comprising the steps of: (a) providing a satellite antenna (20) with a feed positioner mechanism (40) for adjusting the position of a feed device (42), such that the feed device (42) is selectively movably between a focus position (46) and a defocus position (44); (b) defocusing a beam of the satellite antenna (20) by using the feed positioner mechanism (40) to adjust the feed device (42) in relation to a dish component of the satellite antenna (20); (c) pointing the satellite antenna (20) towards the satellite (12), such that the downlink signal from the satellite (12) is received by the satellite antenna (20); (d) optimizing the beam of the satellite antenna (20) in relation to a near center of the downlink signal from the satellite (12); and (e) focusing the beam of the satellite antenna (20) using the feed positioner mechanism (40), thereby configuring the satellite antenna (20) to receive the downlink signal from the satellite (12).
REFERENCES:
patent: 4652890 (1987-03-01), Crean
patent: 5714960 (1998-02-01), Choi
patent: 5859620 (1999-01-01), Skinner et al.
patent: 5877730 (1999-03-01), Foster
Satellite Antenna for SAT-A2 and SAT-B2 Satellite Receivers; Installation Manual, Sony Corporation, 1996.
Heck Diane E.
Jenkin Keith R.
Le Hoang-anh
TRW Inc.
Yatsko Michael S.
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