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Title:
DESTRUCTION DETECTOR OF CONTROLLER BOX OF ELECTRIC LOCK
Document Type and Number:
Japanese Patent JP2004116086
Kind Code:
A
Abstract:

To provide a destruction detector of a controller box of an electric lock capable of increasing security for an intruder to make it impossible to electrically control the electric lock by detecting the fact that an exposed part of the controller box in the outdoor side is destructed.

The controller box 5 keeping a control section 4 for controlling the locking /unlocking of the electric lock 2 is provided to an access door device 3 equipped with an openable door 1 and the electric lock 2. The controller box 5 is partially exposed to the surface of the outdoor side of the access door device 3. The outdoor side exposed section 6 of the controller box 5 is used as an outdoor side locking/unlocking acceptance section 7 for locking/unlocking the electric lock 2 from the outdoor side. An illuminance detecting means 8 is provided to a position opposed to the outdoor side exposed section 6 inside the controller box 5. When an iIluminance value detected by the illuminance detecting means 8 is in excess of a specified value, a means stopping a function of the control section 4 is provided.


Inventors:
ONO TATSUJI
ADACHI SHINJI
HASHIMOTO MASAYUKI
TANAKA TOSHIHIRO
ITO YOSHIYASU
Application Number:
JP2002000279714
Publication Date:
April 15, 2004
Filing Date:
September 25, 2002
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
E05B45/06; E05B17/20; G08B15/00; (IPC1-7): E05B45/06; E05B17/20; G08B15/00
Attorney, Agent or Firm:
西川 惠清
森 厚夫