Audio apparatus, audio system, image display apparatus, and image projection apparatus
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United States of America Patent
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Mar 12, 2019
Grant Date -
Jan 11, 2018
app pub date -
Sep 25, 2017
filing date -
Aug 26, 2013
priority date (Note) -
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Abstract
An audio apparatus includes a housing, a piezoelectric vibration unit provided to the housing and having a piezoelectric element, and a communication unit for receiving an audio signal. When a received audio signal is applied to the piezoelectric element while a load of the audio apparatus is applied to the piezoelectric vibration unit, the piezoelectric element is deformed causing deformation of the piezoelectric vibration unit, whereby a contact surface in contact with the audio apparatus vibrates and generate a sound.
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