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.
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
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