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Electronic athletic equipment

  • US 4,822,042 A
  • Filed: 08/27/1987
  • Issued: 04/18/1989
  • Est. Priority Date: 08/27/1987
  • Status: Expired due to Term
First Claim
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1. An athletic instrument comprising:

  • a surface including a predetermined area for striking a movable game element to impart motion thereto, the predetermined area being deemed as the intended location on the surface for striking the game element;

    a multiple number of sensing means located at the periphery of the surface for detecting shock waves, caused when the game element strikes the surface, propagating along the surface;

    means for differentiating respective moments at which the shock waves are initially detected by the respective sensing means;

    means for signaling that the predetermined area has been struck if the respective moments at which the shock waves are initially detected by the respective sensing means fall within a reference time frame.

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