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Title:
RECOGNITION DEVICE AND ELECTRONIC DEVICE USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2005/014959
Kind Code:
A1
Abstract:
There is provided a recognition device having an improved key identification capability and user-friendliness for a user. An electronic device using the recognition device is also provided. A clerk key (10) has a built-in transponder (101) and a magnetic ring (102) composed of a magnetic material for fixing to a reader (11) by adhesion by magnetic force. The reader (11) has a built-in antenna (111) and a built-in communication circuit block (112) for communicating with the transponder (101) of the clerk key (10). Moreover, the reader (11) has a magnetic ring (115) for fixing the clerk key (10) by adhesion by magnetic force. The transponder (101) and the antenna (111) are arranged on the center axis line L of the magnetic ring (102) and the magnetic ring (115) so that communication is enabled when the clerk key (10) and the reader (11) are fixed by adhesion by magnetic force.

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Inventors:
ISHIMARU JUNJI (JP)
MORIMOTO TOYOHIKO (JP)
SUZUKI MICHIYUKI (JP)
Application Number:
PCT/JP2004/011179
Publication Date:
February 17, 2005
Filing Date:
August 04, 2004
Export Citation:
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Assignee:
SHARP KK (JP)
ASAHI DENSO CO LTD (JP)
ISHIMARU JUNJI (JP)
MORIMOTO TOYOHIKO (JP)
SUZUKI MICHIYUKI (JP)
International Classes:
E05B19/00; E05B49/00; G07C9/00; G07F7/02; G07G1/00; (IPC1-7): E05B49/00; E05B19/00
Foreign References:
JPH10292687A1998-11-04
US5905446A1999-05-18
JPH0632645U1994-04-28
JP2001295525A2001-10-26
JP2000352231A2000-12-19
JPH0629395Y21994-08-10
JPH1018659A1998-01-20
JPH065480Y21994-02-09
Other References:
See also references of EP 1662078A4
Attorney, Agent or Firm:
Saikyo, Keiichiro (2-6 Bingomachi 3-chome, Chuo-k, Osaka-shi Osaka, JP)
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