System and methods for product and document authentication
First Claim
1. A system for product or document authentication, said system comprising:
- a. one or more luminescent or fluorescent tags, said tags being applied to said product or document, b. an optical scanning component for detecting a signal emitted by said tag, and c. an information technology component for analyzing said signal.
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Abstract
The present invention relates to both a system and method for product and document authentication. The system used herein comprises one or more inks, at least one of which is either invisible to the naked eye or is fluorescent or luminescent, an optical (2, 3, 8) scanning component capable of detecting the signals emitted by all of said inks, and an information technology component for analyzing said signals. Given the large number of combinations of dyes, sizes and shapes of the markings made with said dyes, the ability to change the type, size and shape for the marking (5) for a given product, and the ability to keep track of the dyes and markings used for a given product, the system allows a nearly foolproof system for product authentication. The method involves the above system, or other combinations of inks, for authenticating a given product.
169 Citations
48 Claims
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1. A system for product or document authentication, said system comprising:
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a. one or more luminescent or fluorescent tags, said tags being applied to said product or document, b. an optical scanning component for detecting a signal emitted by said tag, and c. an information technology component for analyzing said signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 24, 47, 48)
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21. A system for product or document authentication, said system used to detect the presence of one or more luminescent or fluorescent dyes, wherein said dyes are applied to said product or document, and wherein said system comprises:
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a. an optical scanning component for detecting signals emitted by said dyes, and b. an information technology component for analyzing said signals. - View Dependent Claims (22, 23)
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25. A method for authenticating a product or document, said method comprising:
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a. labeling said product or document with one or more luminescent or fluorescent tags, b. measuring the signals emitted from said tags using an optical scanning component, after said tags are illuminated with one or more appropriate energy sources, and c. analyzing said signals using an information technology component. - View Dependent Claims (26, 27, 28, 46)
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29. A method for product or document authentication, said method being used to detect the presence of one or more luminescent or fluorescent dyes, wherein said dyes are applied to said product or document, and wherein said method comprises:
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a. using an optical scanning component for detecting signals emitted by said dyes, and b. using an information technology component for analyzing said signals.
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30. A method for product or document authentication, said method being used to detect the presence of two or more dyes used as tags for said product or document, the combination of said dyes yielding a unique identifier, wherein said method comprises:
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a. treating said tagged samples by exposing them to elevated temperature, electromagnetic radiation, or washing with selected solvents, b. using an optical scanning component for detecting dye luminescence, and c. comparing said dye luminescence detected vs. control samples treated by similar exposures to elevated temperature, electromagnetic radiation, or washing with selected solvents. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39)
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- 40. A composition of metal chelates in which the metal center is coordinated to one or more ligands that display charge transfer absorption bands.
Specification