Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tsutomu Mitsui0
Date of Patent
March 23, 2010
Patent Application Number
11737870
Date Filed
April 20, 2007
Patent Primary Examiner
Patent abstract
An antenna device including a circuit board; a pair of first antenna elements disposed symmetrically to each other about both wide surfaces of the circuit board and a pair of second antenna elements disposed symmetrically to each other about the both wide surfaces of the circuit board; a feeding terminal installed on each of the first antenna elements and each of the second antenna elements; and; and a feeding controller which feeds power selectively to at least one of the first and second antenna elements.
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