| 发明名称 |
HEARING AID TO BE WORN BEHIND THE EAR |
| 摘要 |
<p>A hearing aid of the type which is worn behind the ear has a battery compartment and a volume control knob at its lower end. The compartment and knob are at right angles to the longitudinal axis of the device.</p> |
| 申请公布号 |
CA1241428(A) |
申请公布日期 |
1988.08.30 |
| 申请号 |
CA19850483975 |
申请日期 |
1985.06.14 |
| 申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
BUETTNER, GERHARD;DIEFENBACH, BERNDT |
| 分类号 |
H04R25/00;H04R25/02;(IPC1-7):H04R25/02 |
主分类号 |
H04R25/00 |
| 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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