| 摘要 |
PROBLEM TO BE SOLVED: To provide a diaphragm integrated with coil for a plane speaker which is small-sized, thin, high-performance, and high-reliability. SOLUTION: The diaphragm integrated with coil for a plane speaker has a coil 12a and pieces of distributing wires 12b on the surface of a film 11 to be a diaphragm, and is provided with a plurality of pieces of distributing wires 12b for causing a current to flow in the coil 12a. Consequently, the plane speaker keeps operating, even if a few out of the pieces of distributing wires 12b are broken. COPYRIGHT: (C)2004,JPO
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