OPTICALLY VARIABLE SECURITY DEVICE, AND ARTICLE EMPLOYING SAME AND METHOD FOR VERIFYING THE AUTHENTICITY OF AN ARTICLE
First Claim
1. A security device comprising:
- a substrate; and
an optically variable security code.
3 Assignments
0 Petitions
Accused Products
Abstract
A security device and method are provided for verifying the authenticity of articles, tracking articles, detecting the diversion of articles, and detecting the production of unauthorized articles. The security device includes a substrate and an optically variable security code. The security device may further include a machine-readable representation of the security code. The security device may still further include a unique serial number, which may be machine-readable. The substrate may be an article or, alternatively, the security device may be affixed to an article. An article including at least one of the security devices is also disclosed.
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Citations
20 Claims
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1. A security device comprising:
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a substrate; and an optically variable security code. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An article comprising:
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a surface; and at least one security device coupled to said surface in order to resist counterfeiting of said article, said security device including an optically variable security code. - View Dependent Claims (10, 11)
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12. A method for verifying the authenticity of an article, comprising the steps of:
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producing a security device, said device comprising an optically variable security code; marking the device with a unique serial number; recording the associated security code and serial number in a database; and providing the security device for affixing to an article, wherein authentication is confirmed if the security code and serial number on the device-affixed article is the same as an associated security code and serial number recorded in the database. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification