Antenna device and wireless communication apparatus using...

Communications: radio wave antennas – Antennas – With radio cabinet

Reexamination Certificate

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C343S741000, C343S7000MS

Reexamination Certificate

active

07903036

ABSTRACT:
To realize an antenna device that can operate in wide bands (in a plurality of frequency bands) and can achieve an excellent antenna gain and maintain non-directivity of vertically polarized waves in each band in a space-saving manner, and also to provide a technique capable of maintaining mechanical reliability of the antenna device.An antenna device including; an approximately U-shaped conductor antenna, on one end side of which a power feeding portion is provided and on the other end side of which an end portion is provided as an open end terminal, and which has a folded-back portion; a base body made of an insulating material; a substrate on which said conductor antenna and said base body are mounted; conductor planes of said one end side and said the other end side of said conductor antenna constituted to be approximately perpendicular to each other; said base body being fixed on said substrate; at least said one end side of said conductor antenna being fixed on said base body; and said folded-back portion being fixed on said substrate.

REFERENCES:
patent: 5880697 (1999-03-01), McCarrick et al.
patent: 6239753 (2001-05-01), Kado et al.
patent: 6680708 (2004-01-01), Yamaki
patent: 7034754 (2006-04-01), Hung et al.
patent: 7342540 (2008-03-01), Nahar et al.
patent: 7671808 (2010-03-01), Boyle
patent: 2005/0068234 (2005-03-01), Hung et al.
patent: 2005/0128151 (2005-06-01), Kwak et al.
patent: 2006/0017629 (2006-01-01), Ko et al.
patent: 2006/0197705 (2006-09-01), Chen et al.
patent: 2007/0164904 (2007-07-01), Nahar et al.
patent: 2007/141910 (2007-12-01), None

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