Games using tangible projectile – Playing field or court game; game element or accessory... – Practice or training device
Reexamination Certificate
2006-04-04
2009-02-24
Aryanpour, Mitra (Department: 3711)
Games using tangible projectile
Playing field or court game; game element or accessory...
Practice or training device
C473S422000, C473S451000, C473S430000
Reexamination Certificate
active
07494432
ABSTRACT:
The present invention provides an apparatus for calculating the distance of a ball placed into motion comprising, a means for positioning a ball at a desired height for striking, a means for measuring force exerted upon the ball when struck, a means for measuring launch angle relative to a horizontal playing field which a ball travels upon impact, a means for calculating distance the ball would travel if not restricted using the measured force and launch angle, and a means to display the calculated distance.
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Aryanpour Mitra
Erickson Randall
Erickson Randall T.
Flanigan George
LandOfFree
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