公开(公告)号：US20110135123A1

公开(公告)日：2011-06-09

申请号：US12878293

申请日：2010-09-09

申请人： Hye Jin KIM ,  Sung Q Lee ,  Hong Yeol Lee ,  Kang Ho Park ,  Jong Dae Kim ,  Kun Mo Koo

发明人： Hye Jin KIM ,  Sung Q Lee ,  Hong Yeol Lee ,  Kang Ho Park ,  Jong Dae Kim ,  Kun Mo Koo

IPC分类号： H04R17/00 ,  H04R31/00

CPC分类号： H04R31/006 ,  H01L41/22 ,  H01L41/29 ,  H03H9/174 ,  H04R1/02 ,  H04R17/00 ,  H04R17/02 ,  H04R17/10 ,  H04R31/00 ,  Y10T29/42 ,  Y10T29/49005 ,  Y10T29/49115

摘要： In a piezoelectric speaker, an acoustic diaphragm is thicker than a piezoelectric thin film and is formed of a more flexible and higher elasticity material than the piezoelectric thin film, thereby greatly improving output sound pressure in a low frequency band and reducing sound distortion. Further, the piezoelectric thin film is attached to the acoustic diaphragm in an inclined structure in which the piezoelectric thin film is horizontally turned from the acoustic diaphragm, thereby preventing a standing wave from being created by structural symmetry and minimizing sound distortion.

摘要翻译： 在压电扬声器中，声膜比压电薄膜厚，并且由比压电薄膜更灵活和更高弹性的材料形成，从而大大提高了低频带中的输出声压并且降低了声音失真。 此外，压电薄膜以从压电薄膜从声膜水平转动的倾斜结构附着到声膜上，从而防止由结构对称性产生驻波并使声音失真最小化。

公开(公告)号：US08335329B2

公开(公告)日：2012-12-18

申请号：US12878293

申请日：2010-09-09

申请人： Hye Jin Kim ,  Sung Q Lee ,  Hong Yeol Lee ,  Kang Ho Park ,  Jong Dae Kim ,  Kun Mo Koo

发明人： Hye Jin Kim ,  Sung Q Lee ,  Hong Yeol Lee ,  Kang Ho Park ,  Jong Dae Kim ,  Kun Mo Koo

IPC分类号： H04R25/00

CPC分类号： H04R31/006 ,  H01L41/22 ,  H01L41/29 ,  H03H9/174 ,  H04R1/02 ,  H04R17/00 ,  H04R17/02 ,  H04R17/10 ,  H04R31/00 ,  Y10T29/42 ,  Y10T29/49005 ,  Y10T29/49115

摘要： In a piezoelectric speaker, an acoustic diaphragm is thicker than a piezoelectric thin film and is formed of a more flexible and higher elasticity material than the piezoelectric thin film, thereby greatly improving output sound pressure in a low frequency band and reducing sound distortion. Further, the piezoelectric thin film is attached to the acoustic diaphragm in an inclined structure in which the piezoelectric thin film is horizontally turned from the acoustic diaphragm, thereby preventing a standing wave from being created by structural symmetry and minimizing sound distortion.

摘要翻译： 在压电扬声器中，声膜比压电薄膜厚，并且由比压电薄膜更灵活和更高弹性的材料形成，从而大大提高了低频带中的输出声压并且降低了声音失真。 此外，压电薄膜以从压电薄膜从声膜水平转动的倾斜结构附着到声膜上，从而防止由结构对称性产生驻波并使声音失真最小化。