Parabolic antenna dish

Details Parabolic antenna dish Parabolic antenna dish

1987-03-16

1990-04-10

Hille, Rolf

Communications: radio wave antennas

Antennas

Antenna with parasitic reflector

343912, H01Q 1514

Patent

active

049164597

ABSTRACT:
A parabolic antenna dish has a circumferential reinforcement flange portion defined by a ridge line which is devoid of air holes and a mesh plate portion integrally connected to the inner periphery of the reinforcement flange portion, the mesh plate portion having as many air holes as possible formed in a region which is not smaller than 80% in terms of the radius of the radiowave reflecting surface.

REFERENCES:
patent: 2181181 (1939-11-01), Gerhard
patent: 2325765 (1943-08-01), Gartenmeister
patent: 2423648 (1947-07-01), Hansell
patent: 2858535 (1958-10-01), Crandell et al.
patent: 2960950 (1960-11-01), Hart
patent: 3514781 (1970-05-01), Ferris et al.
patent: 3969731 (1976-07-01), Jenkins et al.
patent: 4405928 (1983-09-01), Elsbernd
patent: 4455557 (1984-06-01), Thomas
patent: 4568945 (1986-02-01), Winegard et al.
patent: 4656486 (1987-04-01), Turner
Patent Abstracts of Japan, JP-59-174002A, 59-174003A, Sec. E, vol. 9 (1985), No. 31 (E-295).
Patents Abstracts of Japan, JP-59-70004A, Sec. E, vol. 8, (1984), No. 176 (E-260).

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