Portable verticle jump measuring device
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United States of America Patent
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Nov 17, 1998
Grant Date -
N/A
app pub date -
Feb 10, 1997
filing date -
Feb 10, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method to measure height of a vertical jump of a jumper. At least one switch is deactivated by the jumper stepping thereon. The switch is initially activated by the jumper jumping upward therefrom and thereafter deactivated upon return. A time period is measured while the switch is activated. The square of the activated time period is calculated and thereafter the result is multiplied by a constant to derive vertical jump height. Finally, the resultant vertical jump height of the jump is displayed.
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