A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 71/06 (2006.01) G01C 15/00 (2006.01)
Patent
CA 2068669
Abstract of the Disclosure A method and apparatus for determining the position of a ball on a playing field during a game, for example a football in the game of American rules football, is disclosed. The apparatus includes a guide ramp having a length corresponding to the first down distance, having sighting lasers at each end and a spotting laser that moves along the guide ramp. At the beginning of a first down series, the guide ramp is moved to and anchored at a position at which one of the sighting lasers projects a mark corresponding to the position of the ball. If a play then occurs in which the ball is advanced to a location within the first down distance, the spotting laser is moved along the guide ramp until its projected mark corresponds to the position of the ball; if a loss-of-yardage play occurs in which the ball is located outside of the first down distance, the initial sighting laser can be removed from the guide ramp and moved to the ball location, connected to the guide ramp by way of a chain. A meter may be connected to the spotting laser to measure and display the distance from either or both ends of the guide ramp (yards advanced, yards to go).
Nexus Law Group Llp
Snowden James D.
LandOfFree
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