发明名称 SPEAKER
摘要 PROBLEM TO BE SOLVED: To attain reduction in the distortion of a speaker. SOLUTION: The speaker comprises: a frame 5; a magnetic circuit 1 supported by the frame 5; a voice coil body 2 provided within the magnetic gap 8 of the magnetic circuit 1 so that its coil portion 2b can be freely moved; a diaphragm 3 whose inner peripheral portion is connected to the portion of the voice coil body 2 outside the magnetic gap 8; a first edge 4 with the outer peripheral portion of the diaphragm 3 connected to the frame 5; a suspension holder 10 whose inner peripheral portion is connected to the voice coil body 2 or the diaphragm 3; and a second edge 11 with the outer peripheral portion of the suspension holder 10 connected to the frame 5, wherein the second edge 11 is divided into a plurality of parts in the outer periphery of the voice coil body 2 and at least one of the plurality of second edges 11 is formed linearly. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007243868(A) 申请公布日期 2007.09.20
申请号 JP20060067165 申请日期 2006.03.13
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 SANO KOJI;HONDA KAZUKI;ITO SATORU
分类号 H04R9/02;H04R7/18 主分类号 H04R9/02
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