Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Patent
1984-01-03
1987-06-09
Lieberman, Eli
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
343765, 343882, H01Q 308
Patent
active
046723854
ABSTRACT:
Satellite tracking system for use between a ground mount and a satellite dish antenna and including the main components of a gear drive, a worm gear driven by a gear motor, and a coupling shaft connected between the gear and brackets supporting the antenna. The worm gear drive includes a potentiometer connected thereto providing a controller signal input. Limit switches can be provided for limiting the rotation of the antenna between prescribed limits. The worm gear drive provides direct shaft drive for accurate rotation through wide angles.
REFERENCES:
patent: 2651721 (1953-09-01), Bergey et al.
patent: 2777122 (1957-01-01), Hedeman et al.
patent: 3707721 (1972-12-01), McCartney
patent: 3714660 (1973-01-01), Scrafford et al.
patent: 3999184 (1976-12-01), Fuss
patent: 4126865 (1978-11-01), Longhurst et al.
patent: 4454515 (1984-06-01), Major et al.
Gabriel Antenna Engineering Notes, Data Sheet No. 5506-1, Mar. 22, 1956.
Jaeger Hugh D.
Lieberman Eli
Mel-Du Inc.
Wimer Michael C.
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