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Title:
電子キー
Document Type and Number:
Japanese Patent JP4245656
Kind Code:
B1
Abstract:
To provide an electronic key capable of easily checking whether or not data has been read from a contact IC chip and enhance reliability of security, an electronic key (1) includes a contact IC chip (13) connected in series to first and second terminals (11, 2) so that data is read from the IC chip (13) by a current allowed to flow between the first and second terminals (11, 2), wherein the electronic key comprises an LED (9) arranged in parallel to the contact IC chip (13) and allowed to turn on through use of the current allowed to flow between the first and second terminals (11, 2) when the first and second terminals (11, 2) contact with IC chip data reading means (14, 15), and turn-on of the LED (9) indicates that data has been read from the contact IC chip (13).

Inventors:
Akihiro Sato
Nobuhiko Segi
Application Number:
JP2008261069A
Publication Date:
March 25, 2009
Filing Date:
October 07, 2008
Export Citation:
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Assignee:
Tokai Riken Co., Ltd.
International Classes:
E05B19/00; E05B49/00; E05B65/00; E05B65/02; E05G1/00
Domestic Patent References:
JP10184120A
JP10252327A
JP2000352234A
JP7062939A
Attorney, Agent or Firm:
Patent Business Corporation Cosmos Patent Office