Real-time dynamic tracking of bias
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United States of America Patent
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Mar 26, 2013
Grant Date -
Apr 28, 2011
app pub date -
Dec 17, 2010
filing date -
Jun 28, 2007
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Abstract
A bias value associated with a sensor, e.g., a time-varying, non-zero value which is output from a sensor when it is motionless, is estimated using at least two, different bias estimating techniques. A resultant combined or selected bias estimate may then be used to compensate the biased output of the sensor in, e.g., a 3D pointing device.
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