Transparent parametric transducer and related methods
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United States of America Patent
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Sep 19, 2017
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app pub date -
May 20, 2016
filing date -
Oct 17, 2013
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Abstract
A transparent ultrasonic emitter includes a first transparent conductive layer; a second transparent conductive layer; and a plurality of transparent spacers disposed between the first and second transparent layers conductive of the ultrasonic audio speaker, the transparent spacers having a thickness and being arranged to define an open area between the first and second transparent layers.
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