Vibration generating device
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United States of America Patent
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Nov 28, 2017
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N/A
app pub date -
Mar 12, 2015
filing date -
Oct 1, 2014
priority date (Note) -
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Abstract
There is provided a vibration generating device including: a housing having an internal space; a vibration member having one end fixedly attached to the housing; a piezoelectric element installed on the vibration member; and a mass body fixedly attached to the vibration member, wherein the vibration member includes an installation part on which the piezoelectric element is installed, and an extension part extended from at least one side surface of the installation part, and a maximum displacement portion of the vibration member is changed depending on a vibration mode.
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