Pillbox antenna and antenna assembly

Details Pillbox antenna and antenna assembly Pillbox antenna and antenna assembly

1988-01-19

1989-10-24

Carroll, J.

Communications: radio wave antennas

Antennas

Wave guide type

343786, 343754, H01Q 1300

Patent

active

048765546

ABSTRACT:
A directive communications antenna comprising upper and lower plates, each having a leading edge, and a parabolic reflecting cylinder disposed between and axially intersecting the plates so as to form a cavity having a focus line. The cavity is open adjacent the plate leading edges. Upper and lower lip plates respectively extend along the leading edges of the upper and lower plates with both lip plates projecting upwardly therefrom. A feed assembly comprised of a feed probe and a sub-reflector is positioned within the cavity.

REFERENCES:
patent: 2556087 (1951-06-01), Iams
patent: 2721263 (1955-10-01), Spencer
patent: 3071768 (1963-01-01), Dunbar
patent: 3085201 (1963-04-01), Kendall et al.
patent: 3086205 (1963-04-01), Berkowitz
patent: 3212095 (1965-10-01), Ajioka
patent: 3226722 (1965-12-01), Yang
patent: 3756091 (1973-09-01), Miller
patent: 3852762 (1974-12-01), Henf et al.
patent: 3945009 (1976-03-01), Trigon
patent: 4297710 (1981-10-01), Dupressoir
patent: 4329692 (1982-05-01), Brunner
patent: 4345257 (1982-08-01), Brunner
patent: 4667205 (1987-05-01), Gehin

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