Extendable swivel antenna

Details Extendable swivel antenna Extendable swivel antenna

2011-07-05

2011-07-05

Dinh, Trinh V (Department: 2821)

Communications: radio wave antennas

Antennas

With support for antenna, reflector or director

C343S882000, C343S883000, C343S900000, C343S901000, C343S702000

Reexamination Certificate

active

07973735

ABSTRACT:
Disclosed is an extendable swivel antenna, specifically a swivel antenna with enhanced durability, which can prevent deformation of a hinge unit and an outermost antenna covering the hinge unit. The swivel antenna includes: a power feeding unit110electrically connected to a terminal200; an antenna unit120for transmitting a radio wave received from an external to the power feeding unit110, which is folded in multiple stages and can extend; and a hinge unit130for connecting between the power feeding unit110and the antenna unit120and for swiveling the antenna unit120, wherein the hinge unit130includes an insertion portion131connected to the antenna unit120, a recess portion132connected to the power feeding unit110and having a step portion132swhose diameters of one side and the other side are different from each other, and a hinge pin133for fixing the an insertion portion131and the recess portion132, wherein the antenna unit120includes a whip antenna121fixed to the insertion portion131, one or more road antennas122, 123, and124to be folded about the whip antenna121, and wherein one side132cof the recess portion132whose internal diameter is smaller than that of the other side132dof the recess portion132is housed in the outermost road antenna124of the folding one or more road antennas122, 123, and124.

REFERENCES:
patent: 5079558 (1992-01-01), Koike
patent: 6046706 (2000-04-01), Vargas
patent: 6847830 (2005-01-01), Vanderhelm et al.
patent: 7358926 (2008-04-01), Komoto et al.
patent: 7425925 (2008-09-01), Cheang et al.
patent: 2004/0090383 (2004-05-01), Wang et al.
patent: 2007/0247376 (2007-10-01), Kim et al.
patent: 2007/0285333 (2007-12-01), Chan et al.

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