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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory view of a cantilever burr
piezoelectric bimorph, FIG. 2 is an explanatory diagram of a double-supported burr piezoelectric
bimorph, and FIG. 3 is an explanatory diagram of an embodiment of the present invention. Hakohouse ΑΕ 蝓 璽 廟 ■ ■ 1 1-two-those I 別 4 o 5 / agent-177-actual opening 47-23177 (2)166-
DETAILED DESCRIPTION OF THE INVENTION The device of the invention relates to a
piezoelectric buzzer. Piezoelectric bimorphs used in conventional piezoelectric buzzers are made
of cantilevered paris as shown in FIG. 1, and also double-sided paris as shown in FIG. ! I had low
sound pressure. This zero mFX, thus improving the defect of the conventional piezoelectric
buzzer to 1, as supported by the horn of the piezoelectric pie 4 # F central tube piezoelectric
buzzer, so that the piezoelectric bimorph freely KII movement; sound pressure It is about time to
provide a high-powered piezoelectric buzzer. Hereinafter, the present invention g4 會-1 ((が 説明
説明 (1) (訃. In the third case, l is the case, and this case lK has the ho 72 and the oscillation
circuit 3 attached. A central portion of the piezoelectric element 4 is attached to the horn 2 with
an adhesive 5K198. Therefore, the piezoelectric element 4 is freely suspended to the horn 2 at
both ends. In addition, 611.6b is a lead wire. As described above, according to the present
invention, since the piezoelectric bimorph is freely lifted and supported by supporting the horn
of the central portion of the piezoelectric vibrator v7, ie, the piezoelectric buzzer of the central
portion, the sound pressure becomes large.
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