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JPS58184995

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DESCRIPTION JPS58184995
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a cross-sectional view showing a conventional piezoelectric electroacoustic transducer,
FIG. 2 is a characteristic diagram showing one example of frequency characteristics of output
sound pressure in the piezoelectric electroacoustic transducer, and FIG. 3 is a piezoelectric
according to the present invention 4 is a bottom view of a piezoelectric diaphragm used in the
piezoelectric electroacoustic transducer, and FIG. 5 is a piezoelectric diaphragm used in the
piezoelectric electroacoustic transducer. FIG. 6 is a bottom view showing another embodiment of
the present invention, and FIG. 6 is a characteristic view showing one example of the frequency
characteristic of the output sound pressure of the piezoelectric type electroacoustic transducer
according to the present invention. 1 ··· Piezoelectric diaphragm, 10 ··· · · · Piezoelectric body (thin
plate of ceramic piezoelectric body), 11.12 · · · · · · · · · · Additional mass.
11-05-2019
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