PROBLEM TO BE SOLVED: To raise a bass sound reproducing capacity without introducing enlargement and weight increasing of an acoustic device.SOLUTION: In a main duct 13, a first open hole 19 and a second open hole 21 are formed so as to communicate with common split spaces S1, S2 inside the main duct 13, and, at the periphery edge part of the first open hole 19, a first sub duct 25 is protruded as facing outside so that its inside space communicates with the first sound discharge port 9 of an instrument panel 3, and, inside the first sub duct 25, a speaker 31 is arranged so as to face the front surface side outside. At the periphery edge part of the second open hole 21, a second sub duct 35 is protruded as facing outside so that its inside space communicates with the second sound discharge port 11 of an instrument panel 3. And, the area of the cross section vertical to the longitudinal direction of the inside space of the second sub duct 35 is set as smaller than the split spaces S1, S2 of the main duct 13 which communicate with the second sub duct 35.SELECTED DRAWING: Figure 3

    【課題】音響装置の大型化及び重量増大を招くことなく低音再生能力を高める。【解決手段】メインダクト13に第1貫通孔19及び第2貫通孔21をメインダクト13内部の共通の分割空間S1,S2に連通するように貫通形成し、第1貫通孔19の周縁部に、第1サブダクト25をその内部空間をインストルメントパネル3の第1放音口9に連通させるように外周側に向けて突設し、第1サブダクト25の内部にスピーカ31をその正面側を外側に向けて配設するとともに、第2貫通孔21の周縁部に、第2サブダクト35をその内部空間をインストルメントパネル3の第2放音口11に連通させるように外周側に向けて突設した。そして、第2サブダクト35の内部空間の長手方向に垂直な断面の面積をこの第2サブダクト35に連通するメインダクト13の分割空間S1,S2よりも小さく設定した。【選択図】図3


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    Titel :

    VEHICULAR SPEAKER SYSTEM


    Weitere Titelangaben:

    車両用スピーカシステム


    Beteiligte:
    YAMAMOTO SHIGEKI (Autor:in) / HIRASHIMA ISAO (Autor:in) / AOKI TAKESHI (Autor:in) / YAMADA HIROAKI (Autor:in)

    Erscheinungsdatum :

    2017-02-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B62D MOTOR VEHICLES , Motorfahrzeuge / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler



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