| 摘要 |
PROBLEM TO BE SOLVED: To provide a film loudspeaker and the like which can secure independency between adjacent vibration regions with a simple arrangement. SOLUTION: A film loudspeaker diaphragm 12 in a film loudspeaker 20 includes two or more vibration regions 12a, 12b. The adjacent vibration regions 12a, 12b are projected in mutually opposite directions. COPYRIGHT: (C)2011,JPO&INPIT
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