System and method for determining airtime using free fall
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United States of America Patent
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Dec 29, 2009
Grant Date -
Jan 24, 2008
app pub date -
Sep 28, 2007
filing date -
Nov 21, 1994
priority date (Note) -
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Abstract
A system for determining airtime of a moving sportsman includes at least one accelerometer for detecting vibration or acceleration of the sportsman. A processor in communication with the at least one accelerometer processing signals from the accelerometer to determine free-fall. A pressure sensor may be used to determine change in altitude and the processor may process signals from the pressure sensor with the accelerometer signals to determine airtime and drop distance during free-fall. A method for determining airtime of a moving sportsman includes processing data from one or more accelerometers attached to the sportsman, to determine when the sportsman is in free-fall, and determining a time period corresponding to the free-fall.
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