To provide a vehicle approach notification device capable of increasing a sound pressure of a plurality of frequency bands without changing a sound source and suppressing an increase in manufacturing costs.SOLUTION: A vehicle approach notification device 10 mounted on a vehicle 50 and including a speaker 22 that emits notification sound to the vehicle outside from an opening 26 further includes: a plurality of ducts 32, 42 each having one end communicatively connected to the opening 26 and having different lengths from each other.SELECTED DRAWING: Figure 1

    【課題】音源を変更することなく複数の周波数帯の音圧を増幅することができ、製造コストの増加を抑制することができる車両接近通報装置を提供する。【解決手段】車両50に搭載され、車外に向けて開口部26から通報音を発するスピーカ22を備えた車両接近通報装置10において、前記開口部26に一端が連通接続された、長さの異なる複数のダクト32,42を備える。【選択図】図1


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    Title :

    VEHICLE APPROACH NOTIFICATION DEVICE


    Additional title:

    車両接近通報装置


    Contributors:
    ITO TAKUYA (author)

    Publication date :

    2023-04-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein



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