HIERARCHICAL SENSING METHOD
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
Oct 31, 2011
filing date -
Oct 31, 2011
priority date (Note) -
Abandoned
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Abstract
A hierarchical sensing method for a touch panel is disclosed. The touch panel has a matrix of points for detecting a touch or touches. The method includes dividing the points into a plurality of blocks; selecting several points in each one of the blocks as designated points; sensing first data from each one of the designated points; determining a set of possible touched points according to the first data sensed from each one of the designated points; sensing second data from the set of possible touched points; and determining if each one of the possible touched points is an actual touched point according to the second data sensed from said one possible touched point. By using the present invention method, a faster sensing speed and a greater sensing accuracy can be achieved.
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