Focal finder for parabolic reflector antenna

Details Focal finder for parabolic reflector antenna Focal finder for parabolic reflector antenna

1983-08-15

1986-05-20

Lieberman, Eli

Communications: radio wave antennas

Antennas

Antenna with parasitic reflector

343894, H01Q 100

Patent

active

045904812

ABSTRACT:
A compact, easily manipulable measuring device is provided, particularly useful for properly positioning the feed horn of a parabolic reflector antenna, or the like, relative to the satellite reflecting dish of the antenna. When installing or maintaining an antenna, it is important for optimum signal reception to position the feed horn at or near the focal point of the satellite dish. Such feed horns typically present a central axis, which if aligned with the center point of the satellite dish approximately positions the feed horn at the focal point of the satellite dish. The device of the present invention presents a telescopic rod structure coupled to a support head. The support head presents structure for attachment to the feed horn such that the rod structure preferably lies along the feed horn central axis. With the rod structure extended to a position adjacent the satellite dish, it is readily apparent whether the feed horn central axis is aligned with the satellite dish center point or if adjustment of the feed horn is necessary.

REFERENCES:
patent: B563244 (1976-01-01), Blanchard et al.
patent: 3178713 (1965-04-01), Yang

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