| 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 advantageously, the surface is shaped by grinding.
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| 申请公布号 |
US4860362(A) |
申请公布日期 |
1989.08.22 |
| 申请号 |
US19870094235 |
申请日期 |
1987.09.08 |
| 申请人 |
SIEMENS HEARING INSTRUMENTS, INC. |
发明人 |
TWEEDLE, ALLAN F. |
| 分类号 |
H04R1/10;H04R25/00;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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