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DESCRIPTION JPS59134200
[0001]
Brief description of the drawings
[0002]
1 and 2 show a conventional example, FIG. 1 is a block diagram of the whole, FIG. 2 is an
enlarged partial sectional view taken along the line X--X in FIG. 1, and FIGS. 3 shows an
embodiment of the invention, FIG. 3 is a block diagram of the whole, FIG. 4 is an enlarged partial
sectional view taken along the line Y-Y of FIG. 3, and FIG. 5 is a plan view showing another
example of the piezoelectric speaker It is. DESCRIPTION OF SYMBOLS 2 ... Piezoelectric sounding
body, 3 ... Electric circuit for oscillation, 4 ... Metal plate, 5 ... Piezoelectric vibration element, 21 ...
Varistor element, 22 ... Lead wire.
04-05-2019
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