| 发明名称 |
ELEKTROMEKANISK OMVANDLARE |
| 摘要 |
An acoustic transducer with high sensitivity and low resonance frequency is constructed of a cylinder having inner and outer layers rigidly bonded together. At least one layer is a thickness poled piezoelectric material. The cylinderical can be closed by end caps to shift nodal locations. |
| 申请公布号 |
SE452687(B) |
申请公布日期 |
1987.12.07 |
| 申请号 |
SE19850001829 |
申请日期 |
1985.04.15 |
| 申请人 |
SOUTHWEST RESEARCH INSTITUTE |
发明人 |
D J * SHIRLEY;T E * OWEN |
| 分类号 |
H04R17/00;A61M1/00;B06B1/06;H01L41/08;H01L41/113;(IPC1-7):H04R17/00 |
主分类号 |
H04R17/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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