SYSTEM AND METHOD FOR CALIBRATING A MAGNETOMETER WITH VISUAL AFFORDANCE
First Claim
1. A method of calibrating a magnetometer of a portable electronic device, the method comprising:
- displaying a visual indication of a gestural path on a display of the portable electronic device;
monitoring for changes in orientation of the portable electronic device;
changing the visual indication in response to the monitored changes in the orientation of the portable electronic device;
measuring a magnetic field with the magnetometer; and
calibrating the magnetometer in accordance with measurements of the magnetic field acquired at different points along the gestural path.
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Accused Products
Abstract
A method and system are provided for calibrating a magnetometer of a mobile device. The method comprises displaying a visual indication of a gestural path on a display of the portable electronic device, monitoring for changes in orientation of the portable electronic device, changing the visual indication in response to the monitored changes in the orientation of the portable electronic device, measuring a magnetic field with the magnetometer, and calibrating the magnetometer in accordance with measurements of the magnetic field acquired at different points along the gestural path.
47 Citations
20 Claims
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1. A method of calibrating a magnetometer of a portable electronic device, the method comprising:
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displaying a visual indication of a gestural path on a display of the portable electronic device; monitoring for changes in orientation of the portable electronic device; changing the visual indication in response to the monitored changes in the orientation of the portable electronic device; measuring a magnetic field with the magnetometer; and calibrating the magnetometer in accordance with measurements of the magnetic field acquired at different points along the gestural path. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A portable electronic device, comprising:
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a processor; a magnetometer coupled to the processor; a display coupled to the processor; wherein the processor is configured for;
displaying a visual indication of a gestural path on the display;
monitoring for changes in orientation of the portable electronic device;
changing in the visual indication in response to the monitored changes in the orientation of the portable electronic device;
measuring a magnetic field with the magnetometer; and
calibrating the magnetometer in accordance with measurements of the magnetic field acquired at different points along the gestural path.
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Specification