发明名称 |
Earpiece |
摘要 |
<p>There is provided an earphone having at least one housing (10) and at least one electroacoustic transducer (20) having a first and a second surface (21, 22). The earphone further has a first volume (100) defined by the first surface (21) of the electroacoustic transducer (20) and by a first end (12) of the housing (10), and a second volume (200) defined by the second surface (22) of the electroacoustic transducer (20) and by a second end (11) of the housing (10). An opening (300) is provided between the first and second volumes (100, 200). A closing unit (30) serves to at least partially close the opening (300).</p> |
申请公布号 |
EP2235964(A1) |
申请公布日期 |
2010.10.06 |
申请号 |
EP20090701108 |
申请日期 |
2009.01.05 |
申请人 |
SENNHEISER ELECTRONIC GMBH & CO. KG |
发明人 |
GRELL, AXEL;KUHR, MARKUS;BERGMEIER, AXEL |
分类号 |
H04R1/28;H04R1/10;H04R5/033 |
主分类号 |
H04R1/28 |
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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