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Patent Searching and Data


Title:
ELECTRIC LOCK
Document Type and Number:
Japanese Patent JP3937867
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an electric lock capable of being mechanically opened and closed by a key while also having an enhanced safety on securities.
SOLUTION: The electric lock has at least two lock sections 1 in which electric opening and closing are enabled and mechanical opening and closing by the key are also enabled. The electric lock has a detecting means 14 detecting the state of the opening and closing of each lock section 1 and a control means 2 electrically locking the unlocked lock section 1 when the unlocking detecting output of another lock section is not input for a fixed time after the unlocking detecting output of either lock section 1 by the detecting means 14. The electric lock has the control means 2 electrically locking another lock section 1 under an unlocked state for the fixed time after the locking detecting output of either lock section 1 by the detecting means 14.


Inventors:
Hashimoto Masayuki
Shinji Adachi
Application Number:
JP2002000048811
Publication Date:
June 27, 2007
Filing Date:
February 25, 2002
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
E05B35/12; E05B45/06; (IPC1-7): E05B35/12; E05B45/06
Domestic Patent References:
JP2004027481A
JP64083782A
JP4062278A
JP2001329728A
JP2001295518A
Attorney, Agent or Firm:
Nishikawa Keisei
Mori Atsuo