| 摘要 |
PROBLEM TO BE SOLVED: To provide a crime prevention device effectively suppressing a criminal act while protecting a keyhole (a key cylinder). SOLUTION: This crime prevention device is provided with a key part 2 engaged with the keyhole 10, and a body part 3 for holding the key part 2. The body part 3 is provided with a vibration detecting means 31 for detecting vibration applied to the body part 3, and an alarm generating means 32 for generating an alarm when detecting vibration of prescribed magnitude. COPYRIGHT: (C)2004,JPO&NCIPI
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