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JPS60136598

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DESCRIPTION JPS60136598
[0001]
Brief description of the drawings
[0002]
1 to 3 show a front view, a longitudinal sectional view and a cross sectional view showing a
piezoelectric speaker already proposed by the present applicant, and FIGS. 4 to 6 respectively
show a piezoelectric speaker of the present invention. FIG. 7 is a front view, a longitudinal
sectional view and a transverse sectional view showing an embodiment of the present invention,
and FIG. 7 is a transverse sectional view showing another embodiment of the piezoelectric
speaker of the present invention. 1, 4, ..., Piezoelectric speakers, 2, 5, ... Plates, 2a, 5a ... Slits, 3, 6
... Piezoelectric diaphragms, 5b, 7b, ... Shaped groove.
12-05-2019
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