To provide an acoustic device which can inhibit sound leakage to a surrounding area easily, and to provide a headrest acoustic unit and a chair.SOLUTION: An acoustic device includes: speakers 34 each of which can change a sound reaching range; and a shield member 4 which is attached to a chair 1, is provided at the opposite side of the speakers 34 across a seating part 12 of the chair 1 in a plan view, and can shield sound of the speakers 34 in each of the sound reaching ranges which can be changed in the speakers 34.SELECTED DRAWING: Figure 2

    【課題】周囲への音漏れを容易に抑制できる音響装置、ヘッドレスト音響ユニットおよび椅子を提供する。【解決手段】音声到達範囲を変更可能なスピーカ34と、椅子1に取り付けられ、平面視でスピーカ34に対して椅子1の着座部12を挟んで反対側に設けられ、スピーカ34における変更可能な音声到達範囲のそれぞれの音声到達範囲でスピーカ34の音を遮蔽可能な遮蔽部材4と、を備える。【選択図】図2


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    Title :

    ACOUSTIC DEVICE, HEADREST ACOUSTIC UNIT, AND CHAIR


    Additional title:

    音響装置、ヘッドレスト音響ユニットおよび椅子


    Contributors:

    Publication date :

    2023-07-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / A47C Stühle , CHAIRS



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