| 摘要 |
PROBLEM TO BE SOLVED: To suppress loosening of a diaphragm without reducing sound pressure. SOLUTION: A tape edge 46 is pasted on an outer end of a diaphragm 30 and held between folded portions 11a, 12a of a pair of frames 11, 12 and the diaphragm 30 is supported so as to be vibrated. COPYRIGHT: (C)2011,JPO&INPIT
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