Method and apparatus for determining the velocity and path of tr

Details Method and apparatus for determining the velocity and path of tr Method and apparatus for determining the velocity and path of tr

1988-07-12

1989-08-22

Picard, Leo P.

Amusement devices: games

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

Target

273 29A, 273184R, 273185R, 273186R, A63B 6900

Patent

active

048589225

ABSTRACT:
A pair of velocity sensing devices are disposed on opposite sides of the proposed path of travel of a ball with the electromagnetic energy beams from the devices directed at acute angles to the proposed path of travel. Velocity signals generated by the two devices are averaged and converted to visible messages concerning the speed of the ball and its likely distance of travel has its flight not been interrupted. Velocity signals are also compared to generate a visible message concerning the deviation of the actual path of travel of the ball from the proposed path of travel.

REFERENCES:
patent: 3194562 (1965-07-01), Speiser
patent: 3438031 (1969-04-01), Fathauer
patent: 3508440 (1970-04-01), Murphy
patent: 3655202 (1972-04-01), Gautraud et al.
patent: 3759528 (1973-09-01), Christophers et al.
patent: 3938809 (1976-02-01), Gentiluomo
patent: 4160942 (1979-07-01), Lynch et al.
patent: 4276548 (1981-06-01), Lutz
patent: 4542906 (1985-09-01), Takase et al.

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