| 摘要 |
PROBLEM TO BE SOLVED: To provide crime prevention equipment which reduces costs and efforts to close gaps and an opening part and is provided with a mothproof structure while reliably preventing false notification. SOLUTION: A passive sensor 1 provided with a repellent holder 6 is configured between a sensor body 4 and a sensor cover 5. The moth repellent holder 6 comprises a base part 61 that is composed of one bent flexible resin plate to hold a repellent 7 and is a rectangular part attached to the sensor body 4, a slope part 62 which is folded back from the base part 61 and extends obliquely from the base part 6, and a pair of pawl parts 63a and 63b which are bend back from both ends of the slope part 62 toward the inside direction of the slope part. COPYRIGHT: (C)2010,JPO&INPIT
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