VIBRATOR EQUIPPED WITH PIEZOELECTRIC ELEMENT
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United States of America Patent
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Jan 29, 2016
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Oct 6, 2011
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Abstract
A vibrator equipped with a piezoelectric element comprises: a case of which an upper or lower surface is coupled to an object to be vibrated; a vibrating part which is disposed in the case; a piezoelectric element which is coupled to the vibrating part so as to be deformed, thereby vibrating the vibrating part up and down; and a power supply part which supplies power to the piezoelectric element. The case comprises a base; and a support part which is protruded from both sides of the base and also coupled to both sides of the vibrating plate so as to elastically support the vibrating plate upward and downward, and a deformation quantity of the vibrating plate which is deformed to be bent by external impact is reduced while the support part is deformed together.
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