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Recognition of free-form gestures from orientation tracking of a handheld or wearable device

  • US 10,210,202 B2
  • Filed: 11/06/2017
  • Issued: 02/19/2019
  • Est. Priority Date: 09/27/2014
  • Status: Active Grant
First Claim
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1. A wearable device, comprising:

  • a band to be worn on an arm of a user of the wearable device;

    at least one sensor to generate first motion data, the at least one sensor carried by the wearable device, the wearable device attached to the band, the first motion data including a series of vectors indicative of a motion of the wearable device when the user performs a gesture with the arm, the first motion data associated with a first coordinate system;

    an integrated circuit to execute software to;

    transform the first motion data into second motion data, the second motion data associated with a second coordinate system different than the first coordinate system;

    extract features from the second motion data, the features based on movement of at least one of a shoulder or an elbow; and

    classify the motion of the wearable device by comparison of the features to a movement pattern; and

    a display to present content, the content based on the classification of the motion of the wearable device.

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