| 摘要 |
PROBLEM TO BE SOLVED: To provide an intruder repulsion system that repulses an illegal intruder away from acts such as theft. SOLUTION: The intruder repulsion system comprises a first sensor 1 for detecting an intrusion status, a second sensor 2 for detecting an approaching status, light emitting means 4 for emitting light when the first sensor detects an intrusion, and spraying means 5 for starting heating when the first sensor detects an intrusion and starting spraying when the second sensor detects approach and the heating temperature reaches a given value. COPYRIGHT: (C)2005,JPO&NCIPI
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