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MOTION SENSING AND PROCESSING ON MOBILE DEVICES

  • US 20110163955A1
  • Filed: 03/11/2011
  • Published: 07/07/2011
  • Est. Priority Date: 01/05/2007
  • Status: Active Grant
First Claim
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1. A handheld electronic device, the device comprising:

  • a set of motion sensors provided on a single sensor wafer, the motion sensors including at least one gyroscope sensing rotational rate of the device around at least three axes of the device and at least one accelerometer sensing gravity and linear acceleration of the device along the at least three axes of the device; and

    memory for storing sensor data derived from the at least one gyroscope and the at least one accelerometer,wherein the memory is provided on an electronics wafer positioned vertically with respect to the sensor wafer and substantially parallel to the sensor wafer, the electronics wafer being vertically bonded to and electrically connected to the sensor wafer, andwherein the sensor data describes movement of the device including a rotation of the device around at least one of the three axes of the device, the rotation causing interaction with the device.

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