Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Futoshi Deguchi0
Date of Patent
August 31, 2010
Patent Application Number
12179095
Date Filed
July 24, 2008
Patent Primary Examiner
Patent abstract
An antenna device includes: a substrate; first and a second antenna units which are wound coaxially on a surface of the substrate, and include a plurality of antenna elements; and a feeder which feeds power only to the first antenna unit. A separation distance between the antenna elements in each of the first and second antenna units is substantially the same.
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