HIERARCHICAL SENSING METHOD
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United States of America Patent
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Issued Date -
Oct 18, 2012
app pub date -
Apr 18, 2011
filing date -
Apr 18, 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; sensing first data from the respective blocks; determining which one or ones of the blocks are touched blocks according to the first data; sensing second data from each point of the touched blocks; and determining which one or ones of the points are touched points according to the second data. By using the method of the present invention, fast sensing speed and high sensing accuracy can be both achieved.
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