Title:
UNLOCKING METHOD
Document Type and Number:
Japanese Patent JP3864300
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an unlocking method capable of automating a system on the side of a subject to be unlocked for saving labor, and improving security.
SOLUTION: Unlocking action is conducted by using radio and plural ID marks. A safe 10 transmits ID=A as ID1. A first electronic key 20 transmits ID=B as ID2 when it receives the ID=A as ID. A second electronic key device 30 transmits ID=C as ID3 when it receives the ID=B as ID. The safe 10 conducts unlocking action when it receives the ID=C as ID.
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Inventors:
Kentaro Matsuoka
Application Number:
JP2000292932A
Publication Date:
December 27, 2006
Filing Date:
September 26, 2000
Export Citation:
Assignee:
Kenwood Corporation
International Classes:
E05B49/00; E05B35/12; E05B65/00; G07C9/00; G07F9/06; (IPC1-7): E05B49/00; E05B35/12; E05B65/00
Domestic Patent References:
| JP2171893A | ||||
| JP8185578A | ||||
| JP5233896A |
Attorney, Agent or Firm:
Makoto Hagiwara