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Baseball having inherent speed-measuring capabilities

  • US 4,775,948 A
  • Filed: 01/08/1987
  • Issued: 10/04/1988
  • Est. Priority Date: 01/08/1987
  • Status: Expired due to Fees
First Claim
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1. A speed-measuring baseball comprising:

  • a solid core having a hollowed-out portion, said hollowed-out portion having a first open end substantially coplanar with the outer circumferential surface of said core, said hollowed-out portion further comprising a second closed end extending radially inwardly toward the center of said core;

    a speed-measuring means mounted in said hollowed-out portion of said solid core, said speed-measuring means being a self-contained unit comprising a housing for mounting parts therein, said housing having a lower casing for positioning in said hollowed-out portion adjacent said second closed end thereof, and an upper casing positioned adjacent said first open end;

    said speed-measuring means comprising means for determining the speed at which the ball is thrown; and

    said speed-measuring means further comprising a piezoelectric switch means for generating an end signal upon catching the ball by a catcher, said piezoelectric switch means being coupled to said means for determining the speed and mounted in said housing, and a manually-operated start switch for actuating said speedmeasuring means mounted by said housing.

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