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Distinguishing tilt and translation motion components in handheld devices

  • US 20050212757A1
  • Filed: 03/23/2004
  • Published: 09/29/2005
  • Est. Priority Date: 03/23/2004
  • Status: Active Grant
First Claim
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1. A motion controlled handheld device comprising:

  • a first accelerometer operable to detect acceleration along a first axis;

    a second accelerometer operable to detect acceleration along a second axis, the second axis perpendicular to the first axis;

    a tilt detection component operable to detect rotation having a component around at least one of the first axis and the second axis;

    a display operable to present a current image;

    a motion tracking module operable to track motion of the device in three dimensions using the first accelerometer, the second accelerometer, and the tilt detection component; and

    a controller operable to generate the current image and to modify the current image in response to the motion of the device.

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