发明名称 Speaker
摘要 A speaker according to the present invention is equipped with a diaphragm having a central portion of a dome shape and an edge portion formed on an outer periphery thereof. Further, the speaker has also a frame attached with an outermost fringe of the edge portion and a damper member provided inside the central portion to support the central portion. The damper member supports an inner side surface of a voice coil bobbin also, so that a voice coil can be adequately positioned within a magnetic gap.
申请公布号 US7325650(B2) 申请公布日期 2008.02.05
申请号 US20060362500 申请日期 2006.02.27
申请人 PIONEER CORPORATION;TOHOKU PIONEER CORPORATION 发明人 HORIGOME MINORU;SATO HIROSHI
分类号 H04R7/26;H04R9/06;H04R11/02 主分类号 H04R7/26
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