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JPS5893098

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DESCRIPTION JPS5893098
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a cross-sectional view of a conventional piezoelectric speaker showing side numbers,
and FIG. 2 is a cross-sectional view and a plan view of the piezoelectric speaker of the present
invention. FIG. 3 is a stress distortion diagram of a brake plate. 11: Cone-shaped diaphragm, 12:
disk-shaped piezoelectric vibrator, 13: strip-shaped braking plate, 14: cup-shaped frame.
12-05-2019
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