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DESCRIPTION JPS59171497

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DESCRIPTION JPS59171497
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a cross sectional view showing a conventional ultrasonic wave ceramic microphone, FIG.
2 is a cross sectional view showing an ultrasonic ceramic microphone in one embodiment of the
present invention, FIG. 3 is an exploded perspective view thereof, and FIG. FIG. 5 is a diagram
comparing the frequency characteristics of the product of the present invention and the
conventional station, and FIG. 5 is a diagram for explaining the relationship between the
dimensions of the metal diaphragm and the resonance plate for explaining the present invention.
1 иииииии Piezoelectric ceramic vibrator, 10 ииииии Metal diaphragm, 10a
иииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии Re и Slit portion, 11 d иии и и и и и и и и и и и и и и и и 12 и и и и и и и и и и и 12a и и
и и и и и и и и и и и и и и и и и и и open surface of the radiation aperture.
16-04-2019
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