LOUDSPEAKER DIAPHRAGM REINFORCING PIECE, LOUDSPEAKER DIAPHRAGM AND LOUDSPEAKER EMPLOYING THE PIECE, AND ELECTRONIC EQUIPMENT AND DEVICE EMPLOYING THE LOUDSPEAKER

摘要

PROBLEM TO BE SOLVED: To provide a loudspeaker diaphragm reinforcing piece which enhances the rigidity of a diaphragm to make sound quality high as a loudspeaker and then has a larger output and higher reliability, and a diaphragm for the loudspeaker using the same, the loudspeaker, and electronic equipment and a device using the loudspeaker.;SOLUTION: The loudspeaker diaphragm reinforcing piece 13 formed of paper containing a material whose degree of beating is made small to a microfibril state is stuck on the diaphragm to improve the rigidity as a diaphragm, thereby improving articulation, namely, improving the sound quality of the loudspeaker using the diaphragm reinforcing piece 13, improving the sound pressure level in the treble range, and so on.;COPYRIGHT: (C)2008,JPO&INPIT