发明名称 |
Piezoelectric loudspeaker |
摘要 |
A piezoelectric loudspeaker has a membrane and at least two flexural piezoresonators, one end of which is fixed, while the other end acts mechanically upon the membrane. The membrane is a flat membrane or a conical membrane having an aperture angle smaller than 10 DEG .
|
申请公布号 |
US6122387(A) |
申请公布日期 |
2000.09.19 |
申请号 |
US19980048118 |
申请日期 |
1998.03.26 |
申请人 |
DORNIER GMBH |
发明人 |
BORCHERS, INGO;BURCKAS, KERSTIN;RENGER, KLAUS;KUSCH, ENGELBERT |
分类号 |
H04R17/00;(IPC1-7):H04R25/00 |
主分类号 |
H04R17/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|