J-pole antenna

Details J-pole antenna J-pole antenna

2007-03-30

2010-12-28

Owens, Douglas W (Department: 2821)

Communications: radio wave antennas

Antennas

Fractional, multiple, or full wave length linear type

C343S828000

Reexamination Certificate

active

07859477

ABSTRACT:
A J-Pole antenna disclosed including: shunt segment extending out of the plane of the J-Pole antenna. A shunt segment extending out of the plane of the J-pole antenna aids in attaching the antenna to a connector and allowing for a reduction in the size of the antenna and connector. The shunt segment also makes the antenna shorter while preserving the same gain and impedance performance as a conventional J-Pole antenna. A connector plate and connector may be used with the antenna having the shunt segment extending out of the plane of the J-Pole antenna. A protective enclosure may be used with the J-Pole antenna and allowing a radiating antenna segment of the J-Pole antenna to extend from the protective enclosure.

REFERENCES:
patent: 2124424 (1938-07-01), Leeds
patent: 4209790 (1980-06-01), Newcomb
patent: 4644364 (1987-02-01), Parks
patent: 6642899 (2003-11-01), Strickland et al.
patent: 6677905 (2004-01-01), Deguchi et al.
patent: 2003/0016177 (2003-01-01), Deguchi et al.
patent: WO 98/39814 (1998-09-01), None
Michael Heiler, A Backpacker's Delight—The Folding J-Pole, Mar. 2005, QST Magazine, vol. 89, No. 3.
International Search Report dated Jul. 11, 2008 in PCT/US2008/004159.

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