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Brief description of the drawings
FIG. 1 is a top view of a piezoelectric sounding body in the prior art, FIG. 2 is a sectional view of
the same, FIG. FIG. 5Gj is a bottom view, and FIG. 6 is a cross-sectional view showing a second
embodiment of a piezoelectric speaker according to the present invention. 11 ... Piezoelectric
element, 12 ... Metal plate, 13, 132 ... Piezo element element, 14 ... Frame, 14a ... Relief hole, 14b
... Relief groove, 15.16 Lead wire, 17.18 ... part of soldering, 19 ... diaphragm.