Enhanced input using flashing electromagnetic radiation
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United States of America Patent
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Jun 11, 2013
Grant Date -
Jun 7, 2012
app pub date -
Feb 10, 2012
filing date -
Feb 15, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Enhanced input using flashing electromagnetic radiation, in which first and second images of an object are accessed. The first image being captured while the object is illuminated with projected electromagnetic radiation, and the second image being captured while the projected electromagnetic radiation is extinguished. A position of the object relative to the screen based on comparing the first and second images is determined. An application is controlled based on the determined position.
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Cited Art Landscape
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