发明名称 |
In the ear hearing aid or hearing aid with an otoplastic to be worn in the ear |
摘要 |
The hearing aid device (2) or ear fitting has a ventilation channel divided into at least first and second sub-regions (5A,5B), whereby the second sub-region, which is further away when the device is being worn, has a shorter length and larger cross-sectional area than the first or nearer sub-region.
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申请公布号 |
EP1335630(A2) |
申请公布日期 |
2003.08.13 |
申请号 |
EP20030000816 |
申请日期 |
2003.01.14 |
申请人 |
SIEMENS AUDIOLOGISCHE TECHNIK GMBH |
发明人 |
NIEDERDRAENK, TORSTEN, DR. |
分类号 |
H04R25/00;(IPC1-7):H04R25/00 |
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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