Apparatus for acoustic sensing
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United States of America Patent
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Dec 12, 2017
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app pub date -
Sep 5, 2014
filing date -
Apr 30, 2010
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Abstract
The invention provides an improved acoustic energy generating apparatus that includes an improved backing structure. The improved backing structure employs protrusions that are not located in a uniform pattern along a forward side surface of the backing structure, to realize improved re-direction of acoustic energy towards a forward direction relative to the acoustic energy generating apparatus.
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