Amusement devices: games – Surface projectile game; game element – Ball games
Patent
1992-01-21
1992-10-27
Millin, V.
Amusement devices: games
Surface projectile game; game element
Ball games
273119A, 273123A, 273127R, A63D 300, A63F 700
Patent
active
051582910
ABSTRACT:
A ball accelerator mechanism employs one or more electromagnetic coils in combination with sensor elements to accelerate a rolling ball made of ferro-magnetic material. As a ball approaches the coil, it operates the sensor applying a DC current pulse to the coil. As the ball enters the coil, it is magnetically accelerated until it clears the sensor at which time the current is turned off. The length of the current pulse is thus a function of ball velocity. Preferably to maximize acceleration, the width of the coil is an integral multiple of the ball diameter.
REFERENCES:
patent: 1885662 (1932-11-01), Whitehorn
patent: 2184867 (1939-12-01), Williams et al.
patent: 2780462 (1957-02-01), Casamada et al.
patent: 4373725 (1983-02-01), Ritchie
patent: 4991845 (1991-02-01), Wies
Biagi Carl
Bleich Charles R.
Jayswal Manu
Smolucha Walter E.
Harrison Jessica J.
Millin V.
William ELectronics Games, Inc.
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