Amusement devices: games – Surface projectile game; game element – Simulated game
Patent
1982-08-16
1984-10-16
Marlo, George J.
Amusement devices: games
Surface projectile game; game element
Simulated game
324160, A63B 6936
Patent
active
044770790
ABSTRACT:
A golf swing training and practice device by which a golfer may ascertain various characteristics, such as clubhead speed and elapsed swing time, regarding the swing of his golf club. The present training and practice device comprises a portable, battery or AC powered apparatus for accurately measuring, computing, and displaying both the elapsed time to complete the golfer's swing and the speed by which a golfer's clubhead is moved through a measuring zone. The measuring zone is established by the optical axes of a pair of photodetectors or the like, that are mounted within a detector head. Unlike conventional golf training or practice apparatus, the photodetectors of the present invention are responsive to ambient light. The photodetectors are disposed in parallel alignment with one another, so as to receive respective horizontal and parallel beams of light, whereby to define the measuring zone therebetween. The present device includes both a digital speed setting by which a golfer may set a target clubhead speed to achieve and a digital readout display for reporting the actual speed at which the clubhead is moved through the measuring zone. A pair of achievement lights provides the golfer with a momentary visual indication whether or not his actual clubhead speed has surpassed his desired or target clubhead speed. A printer may also be associated with the present device, so as to provide the golfer with a permanent indication of his clubhead speed and the elapsed time in which to complete his swing.
REFERENCES:
patent: 2933681 (1960-04-01), Crain
patent: 3091466 (1963-05-01), Speiser
patent: 3194563 (1965-07-01), Mackniesh
patent: 3776555 (1973-12-01), Hagaman
patent: 3801108 (1974-04-01), Murray
patent: 4254956 (1981-03-01), Rusnak
patent: 4306722 (1981-12-01), Rusnak
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