| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric horn capable of suppressing degradation of sound pressure, and capable of preventing intrusion of a foreign substance, such as waterdrop. SOLUTION: In the electric horn 1, intrusion preventing plates 26 having permeability, which prevent that the foreign substance intrudes inside a ventilation path 25c (inside a trumpet 25), are arranged so as to face each other via a gap which is set at an output section 25b of the trumpet 25 beforehand. COPYRIGHT: (C)2009,JPO&INPIT
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