Displacement sensing system
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United States of America Patent
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Jul 10, 2012
Grant Date -
Apr 28, 2011
app pub date -
Oct 22, 2009
filing date -
Oct 22, 2009
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Abstract
A displacement sensing system is disclosed. Two image capturing devices are settled at to opposite ends of a coordinate axis of the planar area, respectively, for capturing images of the planar area and an object placed thereon. Four pre-established LUT databases and an interactive four-matrix lookup table process are implemented to determine actual coordinates of the object on in the planar area.
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