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Body motion discriminating apparatus and activity monitor

  • US 7,980,999 B2
  • Filed: 08/18/2009
  • Issued: 07/19/2011
  • Est. Priority Date: 09/18/2008
  • Status: Active Grant
First Claim
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1. A body motion discriminating apparatus comprising:

  • an acceleration sensor for detecting a body motion of a user;

    a storing unit for storing a threshold;

    a threshold changing unit for changing the threshold based on physical data expressing a physical feature of the user and registering the changed threshold in the storing unit; and

    a discriminating unit for discriminating whether a detected body motion is walking or running by comparing a value of a parameter calculated from amplitude and cycle of an output signal of the acceleration sensor with the threshold.

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