Communications: directive radio wave systems and devices (e.g. – Directive – Including antenna orientation
Patent
1992-12-14
1995-10-31
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including antenna orientation
H01Q 300
Patent
active
054634016
ABSTRACT:
In order to initially point a directional antenna mounted on a mobile unit to a stationary satellite, the antenna is rotated one revolution in azimuth. While the antenna rotates, the maximum receive signal strength is detected together with the angular position of the antenna at which the maximum strength has been ascertained. Subsequently, the antenna is rotated to the angular position which has been determined in the preceding operation. If the angular position is determined correct (viz., the mobile unit is detected to be synchronized with the satellite), then the initial antenna beam orientation is terminated.
REFERENCES:
patent: 4725843 (1988-02-01), Suzuki et al.
patent: 4743909 (1988-05-01), Nakamura et al.
patent: 4801940 (1989-01-01), Ma et al.
patent: 4841303 (1989-06-01), Anderson
patent: 5173708 (1992-12-01), Suzuki et al.
patent: 5241319 (1993-08-01), Shimizu
Blum Theodore M.
NEC Corporation
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