Security markers for reducing receipt fraud
US7501646B2 · kind B2 · utility
6Cited by
53References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2005 |
| Grant date | Mar 10, 2009 |
| Priority date | — |
| Expiry date | Nov 2, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/80
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of reducing receipt fraud comprises attempting to detect emission from a receipt associated with one or more luminescent markers that are incorporated in a valid receipt. The receipt is validated when the attempt is successful.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.