JPS59127400

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DESCRIPTION JPS59127400
[0001]
Brief description of the drawings
[0002]
FIG. 1 is an external perspective view of a conventional piezoelectric buzzer. FIG. 2 is an external
perspective view of one embodiment of the present invention. FIG. 3 is an external perspective
view of another embodiment of the present invention. FIG. 4 is also a longitudinal sectional view.
5 and 6 are external perspective views of other embodiments of this invention. In the figure, 3 is
a piezoelectric ceramic plate, 4 is an electrode, 7.10 is a metal diaphragm, 8.12 is an extraction
terminal, 9 is a lead wire, 11.16. Show.
04-05-2019
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