Human activity monitoring device

CAFC
  • US 7,653,508 B1
  • Filed: 12/22/2006
  • Issued: 01/26/2010
  • Est. Priority Date: 12/22/2006
  • Status: Active Grant
First Claim
Patent Images

1. A method of monitoring human activity using an inertial sensor, comprising:

  • continuously determining an orientation of the inertial sensor;

    assigning a dominant axis;

    updating the dominant axis as the orientation of the inertial sensor changes; and

    counting periodic human motions by monitoring accelerations relative to the dominant axis.

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