Title:
ANTENNA APPARATUS AND COMMUNICATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2012/133232
Kind Code:
A1
Abstract:
Provided is an antenna apparatus, which can achieve excellent communication characteristics, while reducing the size of a housing of an electronic apparatus when incorporated in the electronic apparatus. In an antenna module (1a), which is incorporated in a cell phone (130), and performs communication by receiving a magnetic field transmitted from a reader/writer (120), an antenna coil (11a) is provided in a space (132) between an end portion (133b) of a metal plate (133a) facing the reader/writer (120) in a housing (131) of the cell phone (130), and an inner circumferential wall (131a) of the housing (131), said antenna coil being wound not to surround the outer circumferential portion of the metal plate (133a), and being inductively coupled with the reader/writer (120).
Inventors:
ORIHARA KATSUHISA (JP)
IKEDA YOSHITO (JP)
SAITO NORIO (JP)
SUGITA SATORU (JP)
IKEDA YOSHITO (JP)
SAITO NORIO (JP)
SUGITA SATORU (JP)
Application Number:
PCT/JP2012/057614
Publication Date:
October 04, 2012
Filing Date:
March 23, 2012
Export Citation:
Assignee:
SONY CHEM & INF DEVICE CORP (JP)
ORIHARA KATSUHISA (JP)
IKEDA YOSHITO (JP)
SAITO NORIO (JP)
SUGITA SATORU (JP)
ORIHARA KATSUHISA (JP)
IKEDA YOSHITO (JP)
SAITO NORIO (JP)
SUGITA SATORU (JP)
International Classes:
H01Q1/24; G06K17/00; G06K19/07; H01Q7/06
Domestic Patent References:
| WO2009078214A1 | 2009-06-25 |
Foreign References:
| JP2008040904A | 2008-02-21 | |||
| JP2001028510A | 2001-01-30 | |||
| JP2001266083A | 2001-09-28 | |||
| JP2000068891A | 2000-03-03 | |||
| JP2005175667A | 2005-06-30 | |||
| JP2001134151A | 2001-05-18 | |||
| JP2005303541A | 2005-10-27 |
Other References:
See also references of EP 2693562A4
Attorney, Agent or Firm:
KOIKE, Akira et al. (JP)
Akira Koike (JP)
Akira Koike (JP)
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Claims: