Reflector antenna having main and subreflector of diverse curvat

Details Reflector antenna having main and subreflector of diverse curvat Reflector antenna having main and subreflector of diverse curvat

1974-06-25

1976-11-30

Lieberman, Eli

Communications: radio wave antennas

Antennas

Wave guide type

343837, 343914, H01Q 1918

Patent

active

039952754

ABSTRACT:
A reflector antenna used for radar, etc, has a subreflector so as to give a relatively large aperture diameter for a primary radiator, and to decrease the effect of the outer atmosphere.
A subreflector having a different curvature in a vertical plane than a curvature in a horizontal plane is provided whereby an antenna having a different beam width in the vertical plane to that in the horizontal plane is provided even though a primary radiator having a rotationally symmetrical beam is employed.

REFERENCES:
patent: 2540518 (1951-02-01), Gluyas
patent: 2846680 (1958-08-01), Lewis
patent: 3448456 (1969-06-01), Pessin
patent: 3518686 (1970-06-01), Siebecker
patent: 3737909 (1973-06-01), Bartlett
patent: 3792480 (1974-02-01), Graham
patent: 3828352 (1974-08-01), Drabowitch et al.

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