Alignment control device

Details Alignment control device Alignment control device

1999-09-16

2000-12-12

Ho, Tan

Communications: radio wave antennas

Antennas

With means for moving directive antenna for scanning,...

343882, H01Q 310

Patent

active

061605212

ABSTRACT:
A tracking device comprises a cam-driven actuator arm by which the declination of an earth station dish is caused to vertically oscillate with a sidereal day cycle. In a second embodiment, the tracker comprises a constant velocity joint interposed between the satellite dish and the elevation frame of the antenna mounting structure. The rotation of the constant velocity joint over a sidereal day cycle will result in tracking of the figure eight path.

REFERENCES:
patent: 4126865 (1978-11-01), Longhurst et al.
patent: 4628323 (1986-12-01), Crean
patent: 4692771 (1987-09-01), Rothbarth et al.
patent: 5077561 (1991-12-01), Gorton et al.
patent: 6008769 (1999-12-01), Palmiter et al.

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