Liquid expulsion from an orifice
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United States of America Patent
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Aug 28, 2018
Grant Date -
Jan 5, 2017
app pub date -
Sep 16, 2016
filing date -
May 12, 2014
priority date (Note) -
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Abstract
A device having one or more an acoustic modules. The acoustic module includes an acoustic element and a cavity that is acoustically coupled to the acoustic element. The module also includes a first conductive element that is configured to generate a first surface charge on a first region of an interior surface of the cavity. A second conductive element is configured to generate a second surface charge on a second region of the interior surface of the cavity. The first and second charge on the first and second regions of the interior surfaces of the cavity may be selectively applied to facilitate movement of a liquid held within the cavity.
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