发明名称 |
EAR TERMINAL FOR NOISE CONTROL |
摘要 |
<p>Ear protecting device for being positioned in the ear meatus (3) of a human, and comprising an inner microphone (M2), wherein the inner microphone (M2) has a sound inlet (S2) for being directed toward the meatus (3), arranged for converting a picked-up sound signal (52) to an output signal (51); the ear protecting device also comprising a an electronics unit (11) including sound analyzing means arranged for analyzing the output signal (51) and comparing the signal with predetermined signals corresponding to acceptable noise limits and for activating an indicator (72) when detecting a passing of these limits.</p> |
申请公布号 |
EP1322268(B1) |
申请公布日期 |
2009.01.07 |
申请号 |
EP20010963616 |
申请日期 |
2001.08.31 |
申请人 |
NACRE AS |
发明人 |
SVEAN, JARLE;SORSDAL, SVEIN;PETTERSEN, ODD, KR., O.;OTTESEN, GEORG, E.;STENSBY, SVERRE |
分类号 |
A61F11/08;A61F11/06;H04R1/10;H04R25/00;H04R25/02 |
主分类号 |
A61F11/08 |
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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