| 摘要 |
<p>PROBLEM TO BE SOLVED: To decrease frequency of erroneous injections of an animal repellent by enabling accurate detection of existence of an animal, and improve an animal repellent effect.SOLUTION: An animal repellent device comprises a plurality of sensors 33a, 33b which detect a repelling objective animal. The animal repellent device estimates whether the repelling objective animal exists within a prescribed distance or not on the basis of output signals from the sensors 33a, 33b, and makes an aerosol 10 into an injection state when the existence within the prescribed distance is estimated.</p> |
