To provide a vehicular acoustic device configured to prevent a space for disposing another device of a vehicle from being restricted, while generating bass sounds.SOLUTION: A vehicular acoustic device 1 includes a tubular member 3 having an internal space 3s, and a speaker 4 having a diaphragm 41. The tubular member is flexible, in which a first end 32a serving as one end is closed, and a second end 33a serving as the other end is opened. The speaker is disposed at least partially in the internal space while the diaphragm is exposed to a cabin-side external space. When a tube axial length of the internal space 3a is L[cm], a position corresponding to the center of the diaphragm on the tube axial length is separated from the first end 32a by (1/3)L. The vehicular acoustic device satisfies the following expression when a sound velocity is v[cm/sec] and a frequency is f[Hz]: L[cm]=(3/4)×(v[cm/sec]/f[Hz]).SELECTED DRAWING: Figure 1

    【課題】車両の他の機器を配置するためのスペースが制限されることを抑制することができるとともに、低音を発生することができる車両用音響装置を提供する。【解決手段】車両用音響装置1は、内部空間3sを有する管状部材3と、振動板41を有するスピーカ4とを備える。管状部材は、可撓性を有し、一方の端部である第1端部32aが閉塞され、かつ、他方の端部である第2端部33aが解放される。スピーカは、振動板が車室側外部空間に露出した状態で少なくとも一部が内部空間に配置され、かつ、内部空間3sの管軸長をL[cm]とした場合、当該管軸長上における振動板の中央に対応する位置が第1端部32aから(1/3)L離れた位置となる。車両用音響装置は、音速をv[cm/sec]、周波数をf[Hz]とした場合に次式が成立する。L[cm]=(3/4)×(v[cm/sec]/f[Hz])【選択図】図1


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    Title :

    VEHICULAR ACOUSTIC DEVICE AND VEHICULAR DISPLAY DEVICE


    Additional title:

    車両用音響装置および車両用表示装置


    Contributors:

    Publication date :

    2023-01-26


    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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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