Apparatus and method for providing a frequency response for audio signals
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United States of America Patent
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May 22, 2018
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app pub date -
Dec 18, 2013
filing date -
Jul 5, 2013
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Abstract
An apparatus includes a moving mass transducer. The moving mass transducer generates sound by displacement of a surface defined by a piezoelectric element. The piezoelectric element is displaced in response to an interaction of a first signal with a magnetic field. The piezoelectric element is configured to be separately driving by a second signal.
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