Extendible tubular booms for remote sensors

Details Extendible tubular booms for remote sensors Extendible tubular booms for remote sensors

1981-08-20

1984-05-01

Lieberman, Eli

Communications: radio wave antennas

Antennas

With reel for antenna

343DIG2, H01Q 128

Patent

active

044464665

ABSTRACT:
An extendible tubular boom includes a metallic ribbon which is prestressed to assume a rigid tubular shape when extended and which can be flattened and coiled for storage, and a plurality of conductive foil strips fixed to the ribbon which provides electrical paths between sensors located at the tip of the boom remote from the spacecraft and electronics located within the spacecraft. Remote positioning of sensors permits the measurement of parameters of the local plasma without the perturbing effect of the presence of the main body of the spacecraft. The conductive foil strips are electrically isolated from the metallic ribbon comprising the boom structure by a layer of insulating material. Both the foil strips and the insulating layer are sufficiently flexible so as to withstand the transverse and longitudinal stresses encountered as the boom is furled and unfurled.

REFERENCES:
patent: 3331075 (1967-07-01), Moulton
patent: 3524190 (1970-08-01), Killion et al.
patent: 4117495 (1978-09-01), Hochstein
patent: 4265690 (1981-05-01), Lowenhar

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