Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takashi Aoki0
Hideo Nakanishi0
Date of Patent
January 25, 2011
Patent Application Number
11816913
Date Filed
February 23, 2006
Patent Primary Examiner
Patent abstract
In a portable radio apparatus, the antenna performance is improved while fitting conductor elements into an inside of a case without an increase in size of the case when two cases are closed. A monopole antenna arranged in an inside of a first case of a portable radio apparatus includes an element 11 on the power feed side, an element 12 on the open end side, and a resonance circuit 13. A width of the element 12 on the open end side, which comes close to an electronic parts 10 arranged in an inside of a second case and containing a metal in a folded mode, is set smaller than a width of the element 11 on the power feed side, which does not come close to the electronic parts 10.
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