Optically variable security device, and article employing same and method for verifying the authenticity of an article
US9666008B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 11, 2010 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Dec 31, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07D7/0047
- WIPO fieldControl
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.