发明名称 VEHICLE APPROACH NOTIFICATION SOUND GENERATING APPARATUS
摘要 It is an object of the present invention to provide a vehicle approach notification sound generating apparatus that is capable of generating a vehicle approach notification sound in a suitable range according to a vehicle speed. The vehicle approach notification sound generating apparatus of the present invention is characterized by including a vehicle speed calculating unit that calculates a vehicle speed, a vehicle external speaker that outputs a vehicle approach notification sound for notifying of approach of the vehicle, and a general controller that controls a directivity angle width representing a breadth of directivity of the vehicle approach notification sound or a directivity direction of the vehicle approach notification sound, wherein the general controller controls the directivity angle width or the directivity direction according to the speed calculated by the vehicle speed calculating unit.
申请公布号 US2015191117(A1) 申请公布日期 2015.07.09
申请号 US201214414646 申请日期 2012.09.05
申请人 Arita Hidekazu;Shimotani Mitsuo 发明人 Arita Hidekazu;Shimotani Mitsuo
分类号 B60Q5/00 主分类号 B60Q5/00
代理机构 代理人
主权项
地址 Tokyo JP