Method and device for authenticating geometrical codes
US8727222B1 · kind B1 · utility
1Cited by
1References
20Claims
0Family size
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Key dates
| Filing date | Apr 30, 2013 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | Apr 30, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/06056
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The method for authenticating a code with geometric areas whose shapes and/or colors vary according to a message includes:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.