Optical system for detecting an object
First Claim
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1. A system for detecting an object comprising:
- (a) a source of light geographically associated with an object and operable to emit light in a temporally distinct pattern of illumination; and
(b) a detector operable to capture light emission and distinguish a source emitting light in said temporally distinct pattern.
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Abstract
A system for optically detecting an object comprises a light source associated with the object and operated to produce a temporal pattern of emissions and a detector, synchronized to the operation of the light source by signals from a global positioning system, to identify light emissions according to the temporal pattern.
58 Citations
28 Claims
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1. A system for detecting an object comprising:
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(a) a source of light geographically associated with an object and operable to emit light in a temporally distinct pattern of illumination; and (b) a detector operable to capture light emission and distinguish a source emitting light in said temporally distinct pattern. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A light source operable to produce a temporally distinct pattern of light emissions of, said light comprising:
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(a) a power source; (b) a lamp arranged to emit light when interconnected to said power source; (c) a driver operable to selectively vary an interconnection of said lamp and said power source; and (d) a controller to cause said driver to vary said interconnection of said power source and said lamp at a first time and a second time, at least one of said first time and said second time being determined by a signal emitted by a global positioning system. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A method for detecting an object comprising the steps of:
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(a) geographically associating with said object a light source arranged to emit light in a temporally distinct pattern of emission; (b) capturing light impinging on a detector at an image capture time; and (c) determining if a detected light emission included in said captured light was emitted in said temporally distinct pattern. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28)
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Specification