Event and sport performance methods and systems

Data processing: measuring – calibrating – or testing – Measurement system – Dimensional determination

Reexamination Certificate

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Reexamination Certificate

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06813586

ABSTRACT:

FIELD OF THE INVENTION
The invention relates to sport performance and measuring sport performance at events like the X-GAMES.
BACKGROUND OF THE INVENTION
Skiers and other athletes in sporting activities experience speed, airtime and other factors such as spin. Persons watching such athletes cannot quantitatively appreciate the actual speed, airtime and spin, for example, because the prior art does not make such measurements in a manner suitable for either the athlete or persons watching the athlete. The invention provides features to overcome the limitations of the prior art.
SUMMARY OF THE INVENTION
In one aspect, the invention provides systems and methods to monitor and gauge airtime, altitude and spin ratios for an event with a sportsman jumping into the air. For example, the US SKI team has aerial competitions where the team jumps off a ramp and lands in water. The invention of this aspect provides for measuring the time in the air (airtime), the peak altitude, and other factors such as spin ratios (how much the body spun, or how much one part of the body spun relative to other parts or relative to the sports vehicle, e.g., the ski).


REFERENCES:
patent: 3710335 (1973-01-01), Lepley
patent: 5109425 (1992-04-01), Lawton
patent: 5404163 (1995-04-01), Kubo
patent: 5838365 (1998-11-01), Sawasaki et al.
patent: 5905848 (1999-05-01), Yano et al.
patent: 6157898 (2000-12-01), Marinelli
patent: 6324296 (2001-11-01), McSheery et al.
patent: 6516284 (2003-02-01), Flentov et al.

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