ELECTRONIC DEVICE WITH INFRARED TOUCH PANEL AND TOUCH INPUT METHOD THEREOF
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United States of America Patent
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N/A
Issued Date -
Apr 28, 2011
app pub date -
Aug 30, 2010
filing date -
Oct 23, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A touch input method includes steps: controlling one of the infrared emitters to turn on and send an infrared signal to the infrared receivers in sequence, thus forming a number of first infrared lines. Detecting whether an infrared receiver does not receive the infrared signal. Determining if the first infrared line is blocked by an object, thus determining a first blocked infrared line. Controlling the other infrared emitter to turn on and send the infrared signal to the infrared receivers, thus forming a number of second infrared lines. Determining if the second infrared line is blocked by the object, thus determining a second blocked infrared line. Determining touch position according to the first and the second blocked infrared lines, executing the function of a GUI element corresponds to the touch position. The disclosure also provides an electronic device with an infrared touch panel.
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