| 摘要 |
PROBLEM TO BE SOLVED: To provide a speaker capable of being made thinner, performing an input with high pressure and securing a reproduction frequency band. SOLUTION: This speaker has a magnetic circuit 2 for driving a voice coil 4, a diaphragm 3 with the voice coil 4 attached thereto, and a plurality of dampers 5 attached to the outside of the magnetic circuit 2 with movable parts respectively attached around a mounting part of the voice coil 4 with respect to the diaphragm 3. The diaphragm 3 has a conical cone part 3C around the mounting part of the voice coil 4 and the movable parts of the dampers 5 are respectively attached to a tin portion of the cone part 3C. COPYRIGHT: (C)2006,JPO&NCIPI
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