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DESCRIPTION JPS6011596
[0001]
Brief description of the drawings
[0002]
FIG. 1 shows the sound pressure frequency characteristics of the piezoelectric speaker. FIG. 2 is a
cross-sectional view showing a first conventional example of a piezoelectric speaker. FIG. 3 is a
cross-sectional view showing a second conventional example of a piezoelectric speaker. FIG. 4 is
a sectional view showing an embodiment of the present invention. FIG. 5 is a perspective view
showing the arrangement of the support of FIG. 4; 6 and 7 are perspective views showing other
examples of the shape of the support, respectively. In the figure, 2 is a diaphragm, 3 is a
piezoelectric diaphragm, 8 and 14 are supports, and 9 is a damper.
12-05-2019
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