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Patent Searching and Data


Title:
KEY CYLINDER PROTECTIVE CAP AND KEY CYLINDER PROTECTIVE SYSTEM
Document Type and Number:
Japanese Patent JP2004156237
Kind Code:
A
Abstract:

To provide a highly versatile key cylinder protective cap and a key cylinder protective system for securing a high security level.

This protective cap 11 is installed in a key cylinder, and hides and protects a key inserting port of the key cylinder. This protective cap 11 has a cap control microcomputer 12 and a transmission circuit 13. The cap control microcomputer 12 transmits a warning signal for indicating the removal of the cap from the transmission circuit 13 when the protective cap 11 is removed from the key cylinder.


Inventors:
MORIMURA KUNIHIRO
Application Number:
JP2002000321037
Publication Date:
June 03, 2004
Filing Date:
November 05, 2002
Export Citation:
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Assignee:
TOKAI RIKA CO LTD
International Classes:
E05B45/14; E05B17/16; (IPC1-7): E05B45/14; E05B17/16
Attorney, Agent or Firm:
恩田 博宣
恩田 誠