发明名称 Hearing-aid with cerumen barrier
摘要 A hearing aid with a casing (G) having at least one aperture and a protective device in or on the aperture to stop dirt entering the aperture and/or to facilitate cleaning the aperture, in which a cone (K) is fitted in the aperture with its point inside the casing (G).
申请公布号 EP1596631(A2) 申请公布日期 2005.11.16
申请号 EP20050103888 申请日期 2005.05.10
申请人 SIEMENS AUDIOLOGISCHE TECHNIK GMBH 发明人 HANSES, THOMAS;NIEDERDRAENK, TORSTEN, DR.
分类号 H04R25/00;(IPC1-7):H04R25/00 主分类号 H04R25/00
代理机构 代理人
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