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US 7,024,782 B1Granted
Electronic device compass operable irrespective of localized magnetic field
AssigneeTexas Instruments Incorporated
InventorStephan M. Bork
Life of this patent
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Abstract
An electronic device (10). The device comprises means (14) for displaying a compass directional bearing. The device also comprises means (18, 26, CAM) for determining the compass directional bearing unresponsive to a local magnetic field in which the electronic device is located, wherein the means for determining comprises image capturing circuitry.
Claims36
An electronic device, comprising:
- means for displaying a compass directional bearing;
- and
- means for determining the compass directional bearing unresponsive to a local magnetic field in which the electronic device is located, wherein the means for determining comprises image capturing circuitry.
An electronic device, comprising:
- a computer program;
- and
- a processor operable to process the computer program at least in part to determine a compass directional bearing at least in part in response to image data and unresponsive to a local magnetic field in which the electronic device is located.
Computer programming for use in an electronic device comprising a processor, the programming for causing the steps of:
- determining a compass directional bearing at least in part in response to image data and unresponsive to a local magnetic field in which the electronic device is located;
- and
- displaying the compass directional bearing.
Dependencies are inferred from the claim text.