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Method and system for feedback on running style field and background of the invention

  • US 9,687,712 B2
  • Filed: 08/09/2012
  • Issued: 06/27/2017
  • Est. Priority Date: 08/09/2011
  • Status: Active Grant
First Claim
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1. A system for generating feedback on a subject'"'"'s running style, the system comprising:

  • a pressure sensitive surface with a plurality of pressure sensors for generating an electronic signal as a function of a pressure exerted on said pressure sensitive surface;

    a clock arranged for providing timestamp information;

    a memory arranged for storage and retrieval of data;

    a readout device arranged for reading out the plurality of pressure sensors and the clock and storing data in the memory comprising a time-dependent measurement of a moving center of pressure exerted by a subject'"'"'s foot on the pressure sensitive surface, the moving center of pressure forming a pressure gait line at least distinguished along a forward axis of a running direction; and

    a feedback device arranged for generating one or more of a visual, audio, or haptic feedback signal and controlled by a processor, said processor arranged for;

    reading the data from the memory;

    determining from the data a first timestamp at a first registered moment that a front portion of the subject'"'"'s foot starts touching the ground;

    determining from the data a second timestamp at a moment that the center of pressure reaches a most backwards registered position along the gait line with respect to the forward axis;

    calculating a time difference between the first and second timestamps as a defined loading time; and

    controlling the feedback device to generate a feedback signal as a function of the loading time.

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