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JPS6137698

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DESCRIPTION JPS6137698
[0001]
Brief description of the drawings
[0002]
1 is a longitudinal sectional view showing an embodiment of the piezoelectric vibration device
according to the present invention, FIG. 2 is a perspective view of the piezoelectric vibration
device shown in FIG. 1, and FIG. 3 is a perspective view showing the piezoelectric vibration
element of FIG. 4 and 5 are longitudinal sectional views showing another embodiment of the
piezoelectric vibration device according to the present invention, FIG. 6 is a longitudinal sectional
view showing the conventional piezoelectric vibration device, and FIG. 7 is the present invention
and the prior art It is a characteristic view of the sound pressure to the frequency in a piezoelectric oscillation device. 1 и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и piezoelectric vibrator, 5
и и и и и и piezoelectric vibration element, 7. ??? 23 и и Bent through holes, 14, 19 и и и и и и sealed
space, 10.16 и и Curved first vibration structure, 11.17 items и i recess, 13, 18 и и second vibration
Plates, 20, 21 иии и и и third and fourth diaphragms.
11-05-2019
1
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