Optical input type touch system and feedback control method thereof
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United States of America Patent
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Jan 1, 2013
Grant Date -
Jan 27, 2011
app pub date -
Oct 6, 2010
filing date -
Oct 7, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A touch system including a touch panel and a readout circuit is disclosed. The touch panel is integrated with a plurality of photosensitive elements within pixel elements, and capable of displaying at least touch position by at least an optical inputting. The touch panel provides a signal data when the touch panel is touched. The readout circuit is configured to receive the signal data and includes a transformation unit and a processing unit. The transformation unit generates a signal value based on the signal data and a transformation parameter. The processing unit executes a specific action when the signal value is less than a preset value.
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