Collapsible antenna

Details Collapsible antenna Collapsible antenna

1997-01-29

1999-03-23

Le, Hoanganh

Communications: radio wave antennas

Antennas

Logarithmically periodic

343810, 343812, 343815, H01G 1110

Patent

active

058866728

ABSTRACT:
An antenna which includes a rigid boom and a plurality flexible antenna elements attached to the boom. The antenna elements have curved cross-sections and are made from a material which allows them to resiliently bend upon contacting an object. The antenna is particularly suitable for mobile field use such as tracking objects tagged with radio frequency transmitters. In such use, the flexible antenna elements easily bend when contacting objects such as branches, brush and other vegetation so as not to become entangled and prevent movement of the antenna.

REFERENCES:
patent: 3210767 (1965-10-01), Isbell
patent: 3978489 (1976-08-01), Kurland et al.
patent: 4220956 (1980-09-01), Sanford
patent: 4223317 (1980-09-01), Rod
patent: 4355315 (1982-10-01), Zoulek
patent: 4506268 (1985-03-01), Kuo
patent: 4977408 (1990-12-01), Harper et al.
patent: 4987424 (1991-01-01), Tamura et al.
patent: 5196858 (1993-03-01), Reed
patent: 5214439 (1993-05-01), Reed
patent: 5220338 (1993-06-01), Matsushita

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