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Method and system for sensing activity and measuring work performed by an individual

  • US 6,436,052 B1
  • Filed: 10/08/1999
  • Issued: 08/20/2002
  • Est. Priority Date: 03/31/1997
  • Status: Expired due to Fees
First Claim
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1. A method for determining work performed by a human body by approximating the rate of oxygen consumption, the method comprising the acts of:

  • monitoring acceleration information of the human body during a period of time;

    storing the acceleration information on a local storage device; and

    using the acceleration information to calculate an approximation of the rate of oxygen consumption of the human body, the calculation comprising the mathematical acts of;

    separating the acceleration information, wherein the separation creates a static acceleration component and a dynamic acceleration component;

    calculating the magnitude of the dynamic acceleration component; and

    calculating the maximum change of the dynamic acceleration component; and

    graphing static acceleration component, dynamic acceleration component, and the maximum change of the dynamic acceleration component with respect to a common time base.

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