Device for determining the speed, distance traversed, elapsed time and calories expended by a person while running

  • US 4,578,769 A
  • Filed: 02/09/1983
  • Issued: 03/25/1986
  • Est. Priority Date: 02/09/1983
  • Status: Expired due to Fees
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First Claim
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1. A device for measuring the speed of a person while running along a surface, said device comprising:

  • a foot contact sensing means for sensing when a foot of the runner is in contact with the surface and producing a foot contact signal having a duration proportional to the time the foot is in contact with the surface;

    transmitting means connected to said foot contact sensing means for transmitting said foot contact signal;

    receiving means for receiving said foot contact signal transmitted by said transmitting means;

    processing means connected to said receiving means for calculating, solely from said foot contact signal, an output signal representing the speed of the runner; and

    display means connected to the output of said processing means for displaying the speed of the runner in accordance with said output speed signal.

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