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User definable gestures for motion controlled handheld devices

  • US 7,180,500 B2
  • Filed: 03/23/2004
  • Issued: 02/20/2007
  • Est. Priority Date: 03/23/2004
  • Status: Active Grant
First Claim
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1. A motion controlled handheld device comprising:

  • a display having a viewable surface and operable to generate an image;

    a gesture database maintaining a plurality of gestures, each gesture defined by a motion of the device with respect to a first position of the device;

    a motion detection module operable to detect motion of the handheld device within three dimensions and to identify components of the motion in relation to the viewable surface; and

    a control module operable to;

    detect an indication to record a new gesture;

    detect a stabilization of the components of the motion of the device;

    upon detecting the stabilization, determine a base reference position;

    record movement of the device with respect to the base reference position;

    detect an indication to stop recording the new gesture;

    define the new gesture using the recorded movement of the device with respect to the base reference position; and

    store the new gesture in the gesture database.

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