Newtonian physical activity monitor
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United States of America Patent
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Dec 15, 2009
Grant Date -
Nov 20, 2008
app pub date -
Mar 21, 2008
filing date -
May 18, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An improved apparatus and methods of posture and physical activity monitoring. The apparatus is physically mountable to or associated with an object or person, includes a multi-axis accelerometer, and derives measurements of posture and of acceleration. Methods are disclosed which provide improved estimations of posture, acceleration, energy expenditure, movement characteristics and physical activity, detect the influence of externally-caused motion, and permit automatic calibration of the apparatus in the field.
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