| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology of much more enhancing a drive efficiency of a speaker causing low distortion by means of a damper used for the speaker. SOLUTION: The damper 12 provided to suppress rolling of a voice coil body 2 being a component of the speaker so as to attain the above purpose comprises: a corrugate structure part 10 in an inner peripheral part; and a plate spring 11 in 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. COPYRIGHT: (C)2007,JPO&INPIT
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