发明名称 |
Device for protecting a microphone from external disturbances |
摘要 |
The invention relates to a method for protecting a microphone (15) installed in an apparatus against external disturbances and to a disturbance eliminator particularly for a microphone. In accordance with the invention, the microphone (15) is encased in an electrically conducting casing (1), the wall (8) of which is formed of at least two layers of elastic material (81, 82), of which the first layer (81) is of insulating material and the second layer (82) is of conducting material. <IMAGE> |
申请公布号 |
EP0856977(A1) |
申请公布日期 |
1998.08.05 |
申请号 |
EP19980300717 |
申请日期 |
1998.01.30 |
申请人 |
NOKIA MOBILE PHONES LTD. |
发明人 |
NIEMI, MIKKO;EERIKAINEN, JUKKA |
分类号 |
H04R1/00;H04M1/03;H04R1/08;H05K9/00 |
主分类号 |
H04R1/00 |
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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