| 摘要 |
PROBLEM TO BE SOLVED: To provide a crime prevention sheet which emits sound when it is stepped on or lifted when an intruder intrudes, is strong against water, is usable many times, can be easily removed when it is unnecessary, can be easily stored and carried. SOLUTION: A sheet-like member 2 is provided to a sounding body 3 composed of synthetic resin, etc. which emits the sound by stimulation from the outside. Furthermore, the sounding body 3 is formed like a sheet. In addition, the sounding body 3 can be irregularly formed. COPYRIGHT: (C)2007,JPO&INPIT
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