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JPS60121399

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DESCRIPTION JPS60121399
[0001]
Brief description of the drawings
[0002]
FIG. 1 is an external perspective view showing an example of a vibrating body conventionally
used for a piezoelectric speaker, and FIG. 2 is a schematic view showing the configuration of the
vibrating body and the relationship between each electrode and a signal voltage applied. 3A and
3B are schematic diagrams showing the operation when the polarities of the signal voltages
applied to the electrodes of the vibrator are different from each other, and FIG. 4 shows the air
volume excluding operation of the vibrator. 4A is a schematic view showing a case where signal
voltages are not applied to each electrode, and FIG. 4B and FIG. 4C are schematic views showing
a case where signal voltages of different polarities are applied to each electrode. FIG. 5 is an
external perspective view showing a vibrator in an embodiment of a piezoelectric speaker
according to the present invention, and FIG. 6 is an external perspective view showing a vibrator
in another embodiment of a piezoelectric speaker according to the present invention. 1.2 ииииии
Piezoelectric film, 3a, 3b иииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии Walls, 10 иии Vibrator -21
... damping agent.
12-05-2019
1
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