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Title:
COMMUNICATION TERMINAL AND CARD ANTENNA MODULE
Document Type and Number:
WIPO Patent Application WO/2011/135934
Kind Code:
A1
Abstract:
In the disclosed communication terminal formed from loading a card antenna module at a terminal casing having an antenna, the degree of coupling between the terminal casing-side antenna and the module-side antenna is suppressed to a minimum, and the module-side antenna is caused to operate in a manner so as to have desired frequency characteristics. The communication terminal is provided with: the terminal casing (10) provided with the terminal casing-side antenna (11); and the card antenna module (101) loaded at the terminal casing (10). The card antenna module (101) is provided with: a coupling coil (21) that is disposed at a position that approaches the terminal casing-side antenna (11) and that couples with the terminal casing-side antenna (11) via as magnetic field; and a module-side antenna (22) that is disposed at a position that more distant from the terminal casing-side antenna (11) than the coupling coil (21) is.

Inventors:
KATO Noboru (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
加藤登 (〒55 京都府長岡京市東神足1丁目10番1号 株式会社 村田製作所内 Kyoto, 〒6178555, JP)
MATSUDA Fumie (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2011/055583
Publication Date:
November 03, 2011
Filing Date:
March 10, 2011
Export Citation:
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Assignee:
Murata Manufacturing Co., Ltd. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
株式会社村田製作所 (〒55 京都府長岡京市東神足1丁目10番1号 Kyoto, 〒6178555, JP)
KATO Noboru (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
加藤登 (〒55 京都府長岡京市東神足1丁目10番1号 株式会社 村田製作所内 Kyoto, 〒6178555, JP)
International Classes:
H01Q1/52; G06K17/00; H01Q1/24
Attorney, Agent or Firm:
Kaede Patent Attorneys' Office (1-4-34, Noninbashi Chuo-ku, Osaka-sh, Osaka 11, 〒5400011, JP)
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Claims:



 
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