公开(公告)号：US20070177747A1

公开(公告)日：2007-08-02

申请号：US10598446

申请日：2004-12-20

申请人： Yasuharu Onishi ,  Yasuhiro Sasaki ,  Nozomi Toki

发明人： Yasuharu Onishi ,  Yasuhiro Sasaki ,  Nozomi Toki

IPC分类号： H04R25/00

CPC分类号： H04R17/00 ,  H04R2499/11

摘要： A piezoelectric acoustic element 1 of the present invention comprising a hollow casing 5 having a opening 3, a piezoelectric element 7 that is disposed in said casing 5 and bends when a voltage is applied thereto, and diaphragm 8 provided at the opening 3 of said casing 5; wherein said piezoelectric element 7 and said diaphragm 8 are joined through a vibration transmitting member 9.

摘要翻译： 本发明的压电式声学元件1包括具有开口3的中空壳体5，设置在所述壳体5中并在施加电压时弯曲的压电元件7以及设置在所述壳体的开口3处的隔膜8 5; 其中所述压电元件7和所述隔膜8通过振动传递部件9接合。