Deployable helical antenna stowage in a compact retracted config

Details Deployable helical antenna stowage in a compact retracted config Deployable helical antenna stowage in a compact retracted config

1997-04-04

1999-06-01

Le, Hoanganh

Communications: radio wave antennas

Antennas

Spiral or helical type

343880, 343881, H01Q 136, H01Q 108

Patent

active

059091975

ABSTRACT:
A compressible and deployable antenna includes a top and a bottom plate. A deployable structure is fitted between the plates which can forcibly separate the plates, and place in tension a plurality of foldable unstretchable cords to provide a rigid antenna structure. An antenna conductor is connected to the plates and is coiled around the structure in a helical shape so its convolutions can be brought closer to one another for stowage, and spaced farther apart in deployment.

REFERENCES:
patent: 3699585 (1972-10-01), Morrison
patent: 3836979 (1974-09-01), Kurland et al.
patent: 3913109 (1975-10-01), Owen
patent: 4475111 (1984-10-01), Gittinger et al.
patent: 4780727 (1988-10-01), Seal et al.

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