发明名称 VEHICLE APPROACH NOTIFICATION UNIT
摘要 A vehicle approach notification unit is mounted to a sound tube of an electromagnetic warning device producing a warning sound, and includes a dynamic speaker that produces a notification sound notifying a presence of a vehicle. The dynamic speaker is mounted to the sound tube and outputs the notification sound through the sound tube to outside of the vehicle. The sound tube has a warning sound outlet at an end of the sound tube and a through hole at a position different from the warning sound outlet.
申请公布号 US2013265150(A1) 申请公布日期 2013.10.10
申请号 US201313845719 申请日期 2013.03.18
申请人 DENSO CORPORATION;HAMANAKODENSO CO., LTD. 发明人 NAKAYAMA TOSHIAKI;SUZUKI KOJI
分类号 B60Q5/00 主分类号 B60Q5/00
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