Title:
ANTENNA DEVICE
Document Type and Number:
WIPO Patent Application WO/2006/134935
Kind Code:
A1
Abstract:
An antenna device (60) for a noncontact IC card wherein data is written and read by inductive coupling by means of an electronic device having a communication function. The antenna device is provided with a loop coil (61) wherein a conductive wire is wound in a planar shape for performing inductive coupling with the electronic device, and a magnetic body (62) which covers one side (61a) of the loop coil from a one plane and covers the other side (61b) of the loop coil from the other plane by being inserted through the loop coil.
Inventors:
SUGITA SATORU (JP)
ARAMAKI KEISUKE (JP)
AKIHO HIRAKU (JP)
ARAMAKI KEISUKE (JP)
AKIHO HIRAKU (JP)
Application Number:
PCT/JP2006/311862
Publication Date:
December 21, 2006
Filing Date:
June 13, 2006
Export Citation:
Assignee:
SONY CHEM & INF DEVICE CORP (JP)
SONY CORP (JP)
SUGITA SATORU (JP)
ARAMAKI KEISUKE (JP)
AKIHO HIRAKU (JP)
SONY CORP (JP)
SUGITA SATORU (JP)
ARAMAKI KEISUKE (JP)
AKIHO HIRAKU (JP)
International Classes:
H01Q7/00; G06K19/07; G06K19/077; H01Q1/36
Foreign References:
JP2004166176A | 2004-06-10 | |||
JP2002334314A | 2002-11-22 | |||
JP2004235884A | 2004-08-19 | |||
JP2004118440A | 2004-04-15 | |||
JP2004348497A | 2004-12-09 | |||
JP2004048135A | 2004-02-12 |
Other References:
None
See also references of EP 1901393A4
See also references of EP 1901393A4
Attorney, Agent or Firm:
Koike, Akira (Yamato Seimei Bldg. 1-7, Uchisaiwai-cho
1-chome, Chiyoda-k, Tokyo 11, JP)
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