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Cyclic power monitor

  • US 4,423,630 A
  • Filed: 06/19/1981
  • Issued: 01/03/1984
  • Est. Priority Date: 06/19/1981
  • Status: Expired due to Fees
First Claim
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1. Apparatus for measuring athletic performance of a bicycle rider comprising:

  • means for sensing a force on a pedal of a bicycle effective to produce a force signal related to a force applied to said pedal by said bicycle rider;

    means responsive to said force signal for detecting a predetermined event in each rotation of a pedal crank of said bicycle and for producing an output signal in response;

    means responsive to said output signal for calculating a period between said events; and

    means responsive at least to said period for calculating at least one parameter of said athletic performance.

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