Title:
ANTENNA APPARATUS AND COMMUNICATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2013/080804
Kind Code:
A1
Abstract:
Provided is a communication apparatus, with which, while maintaining communication characteristics, a housing of an electronic apparatus can be reduced in size and thickness when the communication apparatus is assembled to the electronic apparatus. The communication apparatus is provided with: an antenna substrate (11) having an antenna coil (11a) formed thereon, said antenna coil to be inductively coupled with a reader writer (120); and a magnetic sheet (13), which draws a magnetic field to the antenna coil (11a), said magnetic field having been transmitted from the reader writer (120). In the direction in which the magnetic sheet (13) is inserted into a center portion (11c) of the antenna coil (11a) formed on the antenna substrate (11), both the end portions (13a, 13b) of the magnetic sheet (13) are positioned further toward the center portion (11c) than both the end portions (11d, 11e) of the antenna coil (11a).
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Inventors:
SAITO NORIO (JP)
SUGITA SATORU (JP)
IKEDA YOSHITO (JP)
SUGITA SATORU (JP)
IKEDA YOSHITO (JP)
Application Number:
PCT/JP2012/079631
Publication Date:
June 06, 2013
Filing Date:
November 15, 2012
Export Citation:
Assignee:
DEXERIALS CORP (JP)
SAITO NORIO (JP)
SUGITA SATORU (JP)
IKEDA YOSHITO (JP)
SAITO NORIO (JP)
SUGITA SATORU (JP)
IKEDA YOSHITO (JP)
International Classes:
H01Q7/06; G06K19/07; G06K19/077; H01Q1/24; H01Q1/38
Foreign References:
| JP2007013662A | 2007-01-18 | |||
| JP2011229133A | 2011-11-10 | |||
| JP2008021991A | 2008-01-31 | |||
| JP2007194864A | 2007-08-02 | |||
| JP2010245776A | 2010-10-28 | |||
| JP2008035464A | 2008-02-14 |
Other References:
See also references of EP 2787575A4
Attorney, Agent or Firm:
KOIKE, Akira et al. (JP)
Akira Koike (JP)
Akira Koike (JP)
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Claims: