Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kazuto Kume0
Hideto Sadamori0
Kazumine Koshi0
Date of Patent
March 27, 2007
Patent Application Number
11109989
Date Filed
April 20, 2005
Patent Primary Examiner
Patent abstract
An antenna device has a first antenna element supporting a low frequency band and a second antenna element supporting a high frequency band. The first antenna element and the second antenna element are disposed so as to face to each other, on the wiring board of a radio device, and at positions separated from each other by a predetermined distance. The distance between the first antenna element and the ground of wiring board is longer than the distance between the second antenna element and the ground of the wiring board. The antenna device supports two frequency bands with the first antenna element and the second antenna element.
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