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DESCRIPTION JPS58178800

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DESCRIPTION JPS58178800
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a cross-sectional view of a conventional piezoelectric speaker, FIG. 2 is a cross-sectional
view of a piezoelectric speaker according to the present invention, and FIG. 3 is a frequency
characteristic diagram t of the conventional and the present invention. 3 is a frame, 2 is a
diaphragm, 1 is a piezoelectric element, and 21 is a damping material.
15-04-2019
1
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