| 发明名称 |
Hearing aid and method for making it. |
| 摘要 |
The shell of a hearing aid has an open end with a mating surface. The mating surface mates with a non-planar faceplate. Advantageously, the faceplate is shaped as a part of a sphere. Further advantagously, the surface is shaped by grinding. |
| 申请公布号 |
EP0307697(A1) |
申请公布日期 |
1989.03.22 |
| 申请号 |
EP19880113994 |
申请日期 |
1988.08.26 |
| 申请人 |
SIEMENS AKTIENGESELLSCHAFT BERLIN UND MUNCHEN |
发明人 |
TWEEDLE, ALLAN FRANK |
| 分类号 |
H04R1/10;H04R25/00;H04R25/02;(IPC1-7):H04R25/02 |
主分类号 |
H04R1/10 |
| 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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