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Golf ball trajectory presentation system

  • US 4,160,942 A
  • Filed: 09/12/1977
  • Issued: 07/10/1979
  • Est. Priority Date: 09/12/1977
  • Status: Expired due to Term
First Claim
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1. A golf ball trajectory presentation system comprising:

  • (a) a plurality of electro-optical sensors for simultaneously monitoring the initial values of velocity, launch angle and spin velocity of said golf ball;

    (b) means for calculating at least a major portion of the remainder of the trajectory of said golf ball based on said monitored initial values;

    (c) a projection screen;

    (d) means for forming an image on said projection screen adapted to substitution for said golf ball; and

    (e) means for positioning said image according to the calculated trajectory of said golf ball.

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