ELECTRONIC DEVICE MAGNETIC INTERFERENCE INDICATION METHOD
First Claim
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1. A method of indicating an interference magnetic field at an electronic device comprising:
- displaying a first arrow indicating a direction of magnetic north on a display of the electronic device, the direction of the first arrow corrected to remove interference caused by an interference magnetic field; and
displaying a second arrow indicating a direction of a source of the interference magnetic field on a display of the electronic device.
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Abstract
A method of indicating an interference magnetic field at an electronic device includes: displaying a first arrow indicating a direction of magnetic north on a display of the electronic device, the direction of the first arrow corrected to remove interference caused by an interference magnetic field; and displaying a second arrow indicating a direction of a source of the interference magnetic field on a display of the electronic device.
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Citations
20 Claims
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1. A method of indicating an interference magnetic field at an electronic device comprising:
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displaying a first arrow indicating a direction of magnetic north on a display of the electronic device, the direction of the first arrow corrected to remove interference caused by an interference magnetic field; and displaying a second arrow indicating a direction of a source of the interference magnetic field on a display of the electronic device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An electronic device, comprising:
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a magnetometer for generating magnetic north data based on a location of the electronic device; an accelerometer for generating orientation data based on an orientation of the electronic device; a memory for storing corrected magnetic north data and interference direction data, the corrected magnetic north data and the interference direction data calculated using the magnetic north data, the orientation data and Earth'"'"'s magnetic field data associated with the location of the electronic device, the corrected magnetic north data corrected to remove interference caused by an interference magnetic field; a display; and a processor in communication with the magnetometer, the accelerometer and the display, the processor for rendering a first arrow and a second arrow on the display of the electronic device, the first arrow indicating a direction of magnetic north and the second arrow indicating a direction of a source of the interference magnetic field. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification