Security markers for ascertaining navigational information
First Claim
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1. A method of ascertaining navigational information, the method comprising:
- illuminating a region of a surface incorporating one or more luminescent markers;
detecting emission from the one or more luminescent markers in response to the illumination; and
processing the detected emission to ascertain navigational information associated with the processed emission.
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Abstract
A method of ascertaining navigational information comprises illuminating a region of a surface incorporating one or more luminescent markers. Emission from the luminescent markers in response to the illumination is detected and processed to ascertain navigational information associated with the processed emission.
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Citations
16 Claims
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1. A method of ascertaining navigational information, the method comprising:
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illuminating a region of a surface incorporating one or more luminescent markers;
detecting emission from the one or more luminescent markers in response to the illumination; and
processing the detected emission to ascertain navigational information associated with the processed emission. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A device for ascertaining navigational information, the device comprising:
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an illumination source which illuminates a region of a surface incorporating one or more luminescent markers;
a detector which detects emissions from the one or more luminescent markers in response to the illumination; and
a processor which processes the detected emission to ascertain navigational information associated with the processed emission. - View Dependent Claims (10, 11, 12)
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13. A method of providing navigational information, the method comprising:
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providing one or more luminescent markers having an emission characteristic associated with navigational information;
incorporating the one or more luminescent markers into a surface. - View Dependent Claims (14, 15, 16)
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Specification