Device for automatically evaluating the ball throwing efficiency

Details Device for automatically evaluating the ball throwing efficiency Device for automatically evaluating the ball throwing efficiency

1975-06-19

1977-06-14

Skogquist, Harland S.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

2731022R, 273183R, 273184R, 340323R, A63B 6700

Patent

active

040293157

ABSTRACT:
The device for evaluating the efficiency of a ballplayer is provided with a target generator to control means whereby a visible target is rendered visible in a goal surface; the device further comprises means for measuring a parameter in relation with the speed of a ball going toward the goal surface and means for measuring the distance separating the target from the impact of the ball on the goal surface and computing means for determining the efficiency of the player in relation with the speed and position reached by the ball.

REFERENCES:
patent: 2102166 (1937-12-01), Roberts
patent: 2784001 (1957-03-01), Simjian
patent: 3160011 (1964-12-01), Ogden
patent: 3194562 (1965-07-01), Speiser
patent: 3513707 (1970-05-01), Russell et al.
patent: 3589732 (1971-06-01), Russell
patent: 3655202 (1972-04-01), Sanders et al.
patent: 3727069 (1973-04-01), Crittenden et al.
patent: 3769894 (1973-11-01), Conklin

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