发明名称 |
Dual diaphragm electroacoustic transducer |
摘要 |
The present invention relates to dual-diaphragm electroacoustic transducers wherein a common magnetic flux path comprises first and second magnetic gaps and a magnet assembly. The invention may provide a miniature transducer with a compact magnetic flux path of improved performance. Electroacoustic transducers in accordance with the invention may comprise a small number of separate parts and provide good acoustic conversion efficiency in a miniature or compact housing.
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申请公布号 |
US7912240(B2) |
申请公布日期 |
2011.03.22 |
申请号 |
US20050596248 |
申请日期 |
2005.05.13 |
申请人 |
SONION NEDERLAND B.V. |
发明人 |
MADAFFARI PETER L.;VAN REEUWIJK SIETSE JACOB |
分类号 |
H04R1/00;H04R1/02;H04R1/22;H04R1/24;H04R1/40;H04R9/02;H04R9/06;H04R9/08;H04R9/10;H04R11/02;H04R25/00;H05K5/00 |
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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