Antenna device

Details Antenna device Antenna device

2008-11-28

2011-11-22

Dinh, Trinh (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S829000, C343S846000, C343S893000

Reexamination Certificate

active

08063830

ABSTRACT:
A planar antenna device is mounted on a board including a dielectric layer and two conductor layers vertically sandwiching the dielectric layer. The upper conductor layer includes a first radiating element having an end portion connected through a via hole to a ground formed by the lower conductor layer, a second radiating element having an open end portion, first and second ground conductors connected to respective base portions of the first and second radiating elements via resistors, and a feeder line configured to feed power to the first and second radiating elements.

REFERENCES:
patent: 6809687 (2004-10-01), Yuanzhu
patent: 7450072 (2008-11-01), Kim et al.
patent: 7817094 (2010-10-01), Adachi et al.
patent: 2005/0253756 (2005-11-01), Kuroda et al.
patent: 2001-168629 (2001-06-01), None
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patent: 2005-72675 (2005-03-01), None
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patent: 2007-288649 (2007-11-01), None
patent: WO 00/03453 (2000-01-01), None
patent: WO 02/054536 (2002-07-01), None
U.S. Appl. No. 12/273,038, filed Nov. 18, 2008, Kikuchi, et al.
Japanese Office Action issed Sep. 6, 2011 in Japanese Patent Application No. 2007-319568 filed Dec. 11, 2007.

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