Stowable and deployable antenna array

Details Stowable and deployable antenna array Stowable and deployable antenna array

1991-06-03

1993-03-23

Hille, Rolf

Communications: radio wave antennas

Antennas

With support for antenna, reflector or director

343DIG2, 244173, H01Q 108, H01Q 112, B64G 144

Patent

active

051968576

ABSTRACT:
A stowable and self-deployable array antenna includes flat, rectangular antenna panels hinged side-by-side so that when deployed they are coplanar, and they fold like an accordion for stowing. The deployed array antenna is stiffened by lateral stiffening panels hingedly attached to every other hinge between antenna panels, and to the unhinged ends of the antenna panels. Foldable longitudinal stiffening panels are hinged between adjacent lateral stiffening panels. Each hinged connection includes a pair of thin spring elements, corresponding to a portion of a cylinder. The two spring elements of each hinge are spaced apart with their concave sides facing, and with the axes of the defining cylinder parallel. The hinge pivots, when the spring elements buckle, about a line orthogonal to a line extending between the cylinder axes. The hinges are used as the structural elements of self-deployable masts. The mast may have a polygonal cross-section.

REFERENCES:
patent: 3951730 (1976-04-01), Wennberg et al.
patent: 4343005 (1982-08-01), Han et al.
patent: 4666107 (1987-05-01), Berry
patent: 4864784 (1989-09-01), Binge et al.
patent: 4977408 (1990-12-01), Harper et al.

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