Touch Detection Sensing Apparatus
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United States of America Patent
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Issued Date -
Mar 31, 2011
app pub date -
May 19, 2009
filing date -
Jun 18, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A touch detection sensing apparatus is disclosed, which comprises: at least one image capturing device, at least one reflection mirror and an image processing circuit. The at least one image capturing device is used to capture an image of a touch object in a detected screen and an image of a virtual image of the touch object in the at least one reflection mirror. The image processing circuit can calculate a position of the touch object based on the image of the touch object and the image of the virtual image of the touch object in a reflection mirror captured by an image capturing device.
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