Dual polarized image antenna

Details Dual polarized image antenna Dual polarized image antenna

1978-11-22

1981-04-21

Lieberman, Eli

Communications: radio wave antennas

Antennas

Microstrip

343770, 343836, H01Q 1310, H01Q 1500

Patent

active

042635985

ABSTRACT:
A first disk having radiating elements formed thereon, a second disk having radiating elements formed thereon and overlying the first disk, an electromagnetic energy reflecting disk overlying the second disk and having a first plurality of parallel slots aligned with some of the radiating elements and a second plurality of parallel slots, perpendicular to the first slots, aligned with the remainder of the radiating elements, a nonconducting, spacing layer overlying the reflecting disk and a partially reflecting disk overlying the spacing layer so that the radiating elements form slot sources in the reflecting disk with part of the energy from the slot sources passing through the partially reflecting disk and part being reflected back to the total reflecting disk to form a dual polarized image element antenna array. A second embodiment illustrates different energy radiators.

REFERENCES:
patent: 3623111 (1971-11-01), Provencher et al.
patent: 3691563 (1972-09-01), Shelton
patent: 3742513 (1973-06-01), Ehrenspeck
patent: 3990078 (1976-11-01), Bellee et al.
patent: 4074270 (1978-02-01), Kaloi
patent: 4089003 (1978-05-01), Conroy
patent: 4131892 (1978-12-01), Munson et al.
patent: 4150383 (1979-04-01), Andersson et al.
Trentini, G. V., "Partially Reflecting Sheet Arrays" in IRE Trans on ANT & Prop, Oct. 1966, pp. 666-671.

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