| 摘要 |
PROBLEM TO BE SOLVED: To provide a crime-prevention alarm unit generating an alarm when a seal string is removed or cut, and stopping the alarm when an unlocking code is input. SOLUTION: This crime-prevention alarm unit 1 is composed of an alarm unit main body 2, the seal string 3 and an unlocking unit 4. The alarm unit main body 2 comprises a locking device 8 for detachably fixing the seal string 3, the alarm unit 16 and its control part A, and the seal string 3 is composed of a flexible coated electric wire, and having inserts 5 used also as terminals of the electric wire and locked in the alarm unit main body 2 at its both ends. The control part A generates the alarm when the seal string 3 is removed or cut, the lock is released when an unlocking pin 6 of the unlocking unit 4 is inserted into the alarm unit main body 2, and the alarm is not stopped unless a first code output to stop the alarm is correct. Whereby the alarm can be generated in illegal taking-out. COPYRIGHT: (C)2005,JPO&NCIPI
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