Method and apparatus for compensating for position slip in interface devices
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United States of America Patent
Stats
-
Jan 24, 2012
Grant Date -
Dec 11, 2008
app pub date -
Aug 14, 2008
filing date -
May 11, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
Method and apparatus for compensating for position slip in interface devices that may occur between a manipulandum and a sensor of the device due to a mechanical transmission. A device position delta is determined from a sensed position of a manipulandum of an interface device. It is determined if position slip has occurred caused by a change in position of the manipulandum that was not sensed by a sensor of the interface device, typically caused by a mechanical transmission between sensor and manipulandum. If position slip has occurred, an error in the sensed position caused by the position slip is corrected by adjusting the sensed position to take into account the position slip. The adjusted position delta is used as the position of the manipulandum and the display of objects controlled by the interface device are accordingly compensated.
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