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Two electrode heart rate monitor measuring power spectrum for use with exercise equipment

  • US 6,115,629 A
  • Filed: 03/01/1999
  • Issued: 09/05/2000
  • Est. Priority Date: 03/01/1999
  • Status: Expired due to Fees
First Claim
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1. A heart rate monitor for use with exercise equipment to calculate the user'"'"'s heart rate while exercising, said monitor comprising:

  • a first electrode disposed at a first location on the exercise equipment for contacting the user and for sensing the user'"'"'s heart rate, said first electrode producing a first sensed signal representative of the user'"'"'s heart rate;

    a second electrode disposed at a second location on the exercise equipment for contacting the user and for sensing the user'"'"'s heart rate, said second electrode producing a second sensed signal representative of the user'"'"'s heart rate; and

    a signal processor which produces a difference signal indicative of a difference between the first and second sensed signals, said signal processor further including a power spectrum analyzer calculating the user'"'"'s heart rate by measuring the power spectrum of the difference signal and producing a processed heart rate signal as a function of the measured power spectrum whereby the processed heart rate signal is indicative of the heart rate of the user as sensed by the first and second electrodes.

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