Title:
LOCK DEVICE
Document Type and Number:
Japanese Patent JP2701678
Kind Code:
B2
Abstract:
PURPOSE: To simply perform operations for controlling opening and shutting of a door while the safety in terms of theft prevention is ensured, by changing the door locked condition automatically according to the time zone such as during business, the shop closed, employees coming up to or evacuating the company, etc.
CONSTITUTION: In a time zone Z out of the business hours in which no person should come in or go out in principle, unlocking is made through data read from a card inserted in a card reader 5 and with code entry from a keyboard 3. In the time zone Y for employee coming up to or evacuating the company, four example soon after the start of or the end of the business hours, the door is opened each applicable time in conformity to a signal read out of the card. In the time zone X under business, the door is kept opened at all times. Thereby undue intrusion of any person can be prevented while troublesome operation is held in minimum.
Inventors:
Atsuhiro Hamano
Application Number:
JP27380092A
Publication Date:
January 21, 1998
Filing Date:
September 16, 1992
Export Citation:
Assignee:
Tatsuno Mechatronics Co., Ltd.
International Classes:
E05B49/00; G06K7/00; G06Q50/00; G06Q50/16; E05B43/00; (IPC1-7): E05B43/00; E05B49/00; G06F17/60; G06K7/00
Domestic Patent References:
| JP5431396A | ||||
| JP63179377U |
Attorney, Agent or Firm:
Kubo Tsukasa
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