Title:
ANTENNA DEVICE AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2015/108054
Kind Code:
A1
Abstract:
The purpose of the present invention is to improve the stable communication functions of an antenna device that includes a second conductor, and to ensure freedom of design and standardization of an antenna module which includes the second conductor, regardless of the internal structure of an electronic apparatus. Provided is an antenna device (1) that is incorporated into an electronic apparatus and that communicates with an external apparatus (120) via an electromagnetic field signal, wherein the antenna device comprises: a first conductor (3) that is disposed inside the housing of the electronic apparatus and opposes the external apparatus; a loop antenna (11) surrounded by an antenna coil (12) that is inductively coupled to the external [・・・V1] apparatus; a sheet-like second conductor (4) that is disposed at a prescribed interval from the first conductor and has a section which overlaps or makes contact with a surface of the loop antenna on the side opposite the surface that opposes the external apparatus; and a sheet-like third conductor (5) that is disposed between the first conductor and the second conductor, with one end part (5a) overlapping or making contact with the first conductor and the other end part (5b) overlapping or making contact with the second conductor.
[・・・V1]external
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Inventors:
ORIHARA KATSUHISA (JP)
SAITO NORIO (JP)
FUKUDA AKIHIRO (JP)
SUZUKI MANABU (JP)
RYOSON HIROYUKI (JP)
KANNO MASAYOSHI (JP)
KOBO MASAHIRO (JP)
SAITO NORIO (JP)
FUKUDA AKIHIRO (JP)
SUZUKI MANABU (JP)
RYOSON HIROYUKI (JP)
KANNO MASAYOSHI (JP)
KOBO MASAHIRO (JP)
Application Number:
PCT/JP2015/050742
Publication Date:
July 23, 2015
Filing Date:
January 14, 2015
Export Citation:
Assignee:
DEXERIALS CORP (JP)
International Classes:
H01Q7/00; G06K19/077; H01Q1/24
Foreign References:
| JP2013115647A | 2013-06-10 | |||
| JP2007325054A | 2007-12-13 | |||
| JP2012147407A | 2012-08-02 |
Attorney, Agent or Firm:
KOIKE, Akira et al. (JP)
Akira Koike (JP)
Akira Koike (JP)
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