Interactive controller device
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United States of America Patent
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Oct 4, 2011
Grant Date -
N/A
app pub date -
Aug 19, 2008
filing date -
Aug 20, 2007
priority date (Note) -
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Abstract
A method and system for an interactive controller device comprising a two axis sensor in combination with one or more other sensors for hand-held devices operated in mid-air. A time sequence of measurements in three linearly independent directions is used to extract the angles of rotation around one or more distinct axes. A method is disclosed to approximately determine a transformation matrix, T, of a device orientation from a sequence of single vector measurements as a combination of rotations about specified axes. Calculated rotation angles can then be used to calculate changes in a controller or pointer position and a rate change thereof.
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