TERMINAL DEVICE ON WHICH PIEZO ACTUATOR MODULE USING PIEZO HAS BEEN INSTALLED
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United States of America Patent
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Issued Date -
Dec 14, 2017
app pub date -
May 17, 2017
filing date -
Jun 8, 2016
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Abstract
A terminal device on which a piezo actuator module using piezo has been installed includes a piezoelectric element subjected to tension or compression when a voltage is applied and configured to generate a voltage when an external force is applied, a mass body connected to the piezoelectric element and configured to control the operating frequency of the piezo actuator module, a vibration plate coupled to the mass body and the piezoelectric element and configured to have a displacement determined by the tension or compression of the piezoelectric element, and a flexible circuit board coupled to one side of the piezoelectric element and configured to transfer a voltage generated by the tension or compression of the piezoelectric element.
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