Rotational insensitivity using gravity-based adjustments
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United States of America Patent
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Aug 31, 2010
Grant Date -
N/A
app pub date -
Nov 25, 2008
filing date -
Nov 21, 2006
priority date (Note) -
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Abstract
A personal electronic device determines its orientation by performing a number of operations. The personal electronic device determines one or more sample periods and creates rolling averages of accelerations for a plurality of axes over the one or more sample periods. The personal electronic device then identifies current values for the rolling averages of accelerations along each of the plurality of axes, wherein the current values indicate a gravitational influence and assigns a dominant axis based upon the current values.
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