07860666 is referenced by 11 patents and cites 281 patents.

A system for determining airtime, speed and/or drop distance of a moving sportsman includes at least one accelerometer for detecting vibration or acceleration of the sportsman and/or a GPS unit. A processor in communication with the at least one accelerometer may process signals from the accelerometer to determine free-fall.

Title
Systems and methods for determining drop distance and speed of moving sportsmen involved in board sports
Application Number
12/753658
Publication Number
7860666 (B2)
Application Date
April 2, 2010
Publication Date
December 28, 2010
Inventor
Peter Flentov
Carlisle
MA, US
Dennis Darcy
Tyngsboro
MA, US
Curtis A Vock
Nilwot
CO, US
Agent
Lathrop & Gage
Assignee
PhatRat Technology
CO, US
IPC
G06F 19/00
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