Clustered scan method of capacitive touch device
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United States of America Patent
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Nov 22, 2016
Grant Date -
Sep 17, 2015
app pub date -
Mar 11, 2015
filing date -
Mar 12, 2014
priority date (Note) -
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Abstract
A clustered scan method of a capacitive touch device is disclosed. According to the method, n drive lines of the capacitive touch device are divided into multiple clusters. Each of the clusters has a same number of drive lines. The clusters are driven by a clustered scan procedure in sequence. In each clustered scan procedure, the drive lines of the present cluster are driven for b times, wherein b is equal to the number of the drive lines of each cluster. If at least one bordering drive line exists, a bordering clustered scan procedure is executed, and a bordering drive line and some of drive lines of the previous clusters are driven.
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