Title:
DEVICE FOR PREVENTING LEAVING KEY BEHIND
Document Type and Number:
Japanese Patent JPH1150713
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To enable a device to be easily installed and prevent a key frown being left behind in a keyhole. SOLUTION: A subject 2 to be detected is mounted around a keyhole 10, and a detection annunciator 14 is attached to a key 12. When the key 12 inserted in the keyhole 10 is at an off position, etc., the detection annunciator 14 detects the subject 2 to be detected. The detection annunciator 14, when detecting the subject 2 to be detected a set number of times or when simply detecting the subject 2 to be detected, reports it using sound, etc.
Inventors:
IWAMA YUICHI
Application Number:
JP22016497A
Publication Date:
February 23, 1999
Filing Date:
July 31, 1997
Export Citation:
Assignee:
RHYTHM WATCH CO
International Classes:
E05B45/06; B60R25/10; B60R25/104; B60R25/34; E05B81/64; E05B83/00; G08B21/00; (IPC1-7): E05B65/12; B60R25/10; E05B45/06; G08B21/00
Attorney, Agent or Firm:
Kojiro Kawai
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