Title:
LOCKING CONFIRMATION DEVICE
Document Type and Number:
Japanese Patent JP3418765
Kind Code:
B2
Abstract:
PURPOSE: To make it possible to check indirectly or without any contact a locking state of a door which is a confirmation object of a patroller or an autonomous traveling body which is on the patrol in a guard-intended area.
CONSTITUTION: When a host device 20 selects a sub-device 30 installed to a specific door, the sub-device 30 outputs a sub-device number signal to the host device 20. Then, the host device 20 outputs a locking confirmation requirement signal including the sub-device number signal by way of a radio transmission and receiving unit 21. The sub-device 30 receives the locking confirmation requirement signal and refers for the sub-device number and transmits a signal which shows an ON/OFF state of a switching means 31 of the sub-device when they are identical. The host device 20 determines a locked state of the door based on an ON/OFF state of the switching means 31 which constitutes the sub-device 30. If it is an unlocked state, an alarm signal will be output from a signal processing unit 22 of the host-device 20.
Inventors:
Chihiro Suzuki
Naoshi Katsube
Naoshi Katsube
Application Number:
JP28975093A
Publication Date:
June 23, 2003
Filing Date:
October 27, 1993
Export Citation:
Assignee:
Sogo Security Co., Ltd.
International Classes:
E05B41/00; H04Q9/00; (IPC1-7): E05B41/00; H04Q9/00
Domestic Patent References:
| JP58131275A | ||||
| JP5526393A | ||||
| JP4213676A | ||||
| JP462770U |
Attorney, Agent or Firm:
Yutaka Kondo