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JPS5942699

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DESCRIPTION JPS5942699
[0001]
Brief description of the drawings
[0002]
1 and 2 are a longitudinal sectional view showing an embodiment of a piezoelectric type
earphone according to the present invention and a front view of the piezoelectric diaphragm, and
FIG. 3 is a front view showing another embodiment of the piezoelectric diaphragm. '1 ...
Piezoelectric earphone, 2 ... Casing, 3 ° 13 ... Piezoelectric diaphragm, 3a ... Single plate, 3b ...
Electrode, 4 ° 14-... Irregular plate 4a, 14a --- Plate material, 4b, 14b ... protrusion. Correction
58. 1.1.7 Correct the name of the device as follows. {Circle over (2)} The scope of the
piezoelectric electromagnetic acoustic transducer utility model registration request is corrected
as follows. O Practical model registration claim Piezoelectric diaphragm with electrodes provided
on both sides of plate-like piezoelectric material, and plate-like having unevenness, fixed to at
least one surface of the piezoelectric diaphragm, The piezoelectric diaphragm A piezoelectric
electromagnetic acoustic transducer comprising an uneven plate for suppressing divided
vibrations of
12-05-2019
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