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JPS6019297

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DESCRIPTION JPS6019297
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a cross-sectional view of a conventional piezoelectric sounding body, FIG. 2 is a
characteristic diagram of a conventional frequency sound pressure, FIG. 3 is a drawing showing a
conventional punching process of a metal plate, and FIG. FIG. 5 shows a step of punching out a
metal plate at the time of manufacturing the body, FIG. 5 is a characteristic diagram of frequency
sound pressure of the piezoelectric sounding body of the present invention, and FIG. 6 shows a
piezoelectric sounding body of one embodiment of the present invention FIG. 5 · · · Piezoelectric
element, 6 · · · First metal plate, 9 · · · Second metal plate, 10 · · · · · · · · · ·.
11-05-2019
1
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