| 摘要 |
PROBLEM TO BE SOLVED: To provide an arson suppression device capable of generating a threat sound to an intruder while preventing the threat sound from being noise for the surroundings, and easily adjusting a monitor range of the intruder and a sound field range of the threat sound.SOLUTION: An arson suppression device 1 comprises: a human sensor 5 for detecting the presence/absence of an intruder within a predetermined monitor range R5; and a speaker 6 for generating a threat sound when the human sensor 5 detects the intruder. The speaker 6 is a directional speaker 6 which generates the threat sound only within a predetermined sound field range R6, and the speaker 6 is provided integrally with the human sensor 5 while being disposed in such a manner that the sound field range R6 is positioned within the monitor range R5 of the human sensor 5. |
