Authentication method and system
US7995196B1 · kind B1 · utility
184Cited by
1References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 21, 2009 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Jan 29, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/72
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for authenticating an object, comprising determining a physical dispersion pattern of a set of elements, determining a physical characteristic of the set of elements which is distinct from a physical characteristic producible by a transfer printing technology, determining a digital code associated with the object defining the physical dispersion pattern, and authenticating the object by verifying a correspondence of the digital code with the physical dispersion pattern, and verifying the physical characteristic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.