发明名称 DAMPER
摘要 PROBLEM TO BE SOLVED: To provide a damper used for a speaker that can enhance the drive efficiency when the speaker causes small distortion. SOLUTION: The damper 12 provided to suppress rolling of a voice coil body 2 being a component of the speaker comprises: a corrugate structure part 10 at an inner peripheral part; and a plate spring 11 at an outer circumferential part, and is configured to connect the corrugate structure part 10 to the voice coil body 2 and the plate spring 11 to a frame 5 so as to reduce the distortion of the speaker and to improve the drive efficiency. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007096435(A) 申请公布日期 2007.04.12
申请号 JP20050279702 申请日期 2005.09.27
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 FUNAHASHI OSAMU
分类号 H04R9/02 主分类号 H04R9/02
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