System for authenticating an item
US9235796B2 · kind B2 · utility
0Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2013 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Sep 3, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/387
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A system of authenticating an item with a security mark includes a substrate (100); wherein the security mark is printed on the substrate with invisible ultraviolet (UV) absorbing ink (102); a coating comprised of UV fluorescent varnish (104) applied over the security mark and substrate; wherein an area comprising the security mark and coating with is illuminated with UV light; wherein a reduced fluorescence image of the security mark is identified; wherein the reduced fluorescence image is compared with the security mark; and wherein the item is authenticated if the reduced fluorescence image matches the security mark.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.