| 发明名称 |
Hearing aid to be worn behind the ear having battery and volume control facing in opposite directions |
| 摘要 |
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.
|
| 申请公布号 |
US4783816(A) |
申请公布日期 |
1988.11.08 |
| 申请号 |
US19850714337 |
申请日期 |
1985.03.21 |
| 申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
BUETTNER, GERHARD;DIEFENBACH, BERNDT |
| 分类号 |
H04R25/00;H04R25/02;(IPC1-7):H04R25/00 |
主分类号 |
H04R25/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
