Title:
アンテナ装置及び携帯無線機
Document Type and Number:
Japanese Patent JP4815432
Kind Code:
B2
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.
Inventors:
Hideo Nakanishi
Takashi Aoki
Takashi Aoki
Application Number:
JP2007504779A
Publication Date:
November 16, 2011
Filing Date:
February 23, 2006
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
H01Q1/24; H01Q1/52; H01Q5/10; H01Q5/321; H01Q9/30
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Attorney, Agent or Firm:
Shohei Oguri
Toshimitsu Ichikawa
Kimihide Hashimoto
Toshimitsu Ichikawa
Kimihide Hashimoto