TOUCH APPARATUS
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United States of America Patent
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Issued Date -
Jan 30, 2014
app pub date -
Jul 25, 2013
filing date -
Jul 25, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A touch apparatus including a touch panel, a sensing controller and a capacitance matching unit is provided. The touch panel has a plurality of scan ports and a plurality of sensing ports, wherein the touch panel outputs a plurality of sensing signals through the sensing ports. The sensing controller drives the touch panel through a plurality of scan lines correspondingly coupled to the scan ports, and receives the sensing signals through a plurality of sensing lines correspondingly coupled to the sensing ports. The capacitance matching unit is coupled between the touch panel and the sensing controller through the scan lines, and is used for tuning an equivalent capacitance of the touch panel.
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