Title:
ROBBERY PREVENTING METHOD/DEVICE
Document Type and Number:
Japanese Patent JP3038367
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a robbery preventing method which can stop a criminality for unlocking the robbery prevention object of an automatic vending machine or destroying it on the way.
SOLUTION: A photoelectric sensor 6 formed of a light emitting element and a light receiving element is installed by making it cross the insertion direction of the key hole of a lock before locking a robbery prevention object. When an article opening or destroying the lock is inserted into the lock of the robbery prevention object, a controller 7 selectively detects the existence of the article through the photoelectric sensor 6. An alarm sound is stepwise generated from an alarm 9 in accordance with the lapse of time when a criminality operation is continued or repeated.
Inventors:
Kunihiro Yamamoto
Application Number:
JP28441898A
Publication Date:
May 08, 2000
Filing Date:
October 06, 1998
Export Citation:
Assignee:
Conscore Co., Ltd.
International Classes:
G08B13/06; E05B15/00; E05B17/00; G01J1/02; G08B23/00; (IPC1-7): G08B13/06; E05B15/00; E05B17/00; G01J1/02; G08B23/00
Domestic Patent References:
| JP55105069A | ||||
| JP55124888A | ||||
| JP1255099A | ||||
| JP325176A |
Attorney, Agent or Firm:
Masao Tanaka