Free-space multi-dimensional absolute pointer using a projection marker system
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United States of America Patent
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Dec 16, 2014
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N/A
app pub date -
Jul 12, 2007
filing date -
Jul 17, 2006
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Abstract
Methods and apparatuses for a free-space multi-dimensional absolute pointer using a projection marker system are described herein. In one embodiment, a presentation system includes, but is not limited to, a projection-based marker apparatus to project one or more optical spots on a display surface for displaying machine generated content capable of being manipulated via a cursor of a pointing device, a handheld device to wirelessly capture the projected optical spots from the display surface, and a control unit communicatively coupled to the projection-based marker apparatus and the handheld device to determine coordinates of the cursor based on characteristics of the captured light spots. Other methods and apparatuses are also described.
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