Automatic Determination of User Direction Based on Direction Reported by Mobile Device
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United States of America Patent
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app pub date -
Feb 18, 2015
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Feb 18, 2015
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Abstract
Wearable electronic devices having corresponding apparatus and methods comprise: a direction sensor configured to determine directions of the electronic device; and a transmitter configured to transmit indications of the directions; wherein a calibration offset angle is determined between one of the directions of the electronic device and a direction of motion of the electronic device; and wherein a corrected device direction of the electronic device is determined based on the calibration offset angle and a subsequent direction of the electronic device.
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