Item comprising a barcode with an electromagnetic signature
US9697446B2 · kind B2 · utility
6Cited by
0References
28Claims
0Family size
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Key dates
| Filing date | Dec 18, 2014 |
| Grant date | Jul 4, 2017 |
| Priority date | — |
| Expiry date | Dec 18, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/086
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a set of security documents. Each security document within the set having an optical code, notably a barcode, which is neither connected nor coupled to any electronic chip that may be carried by the security document. The optical code on each security document within the set encodes the same information for the same optical reader. Each security document having different respective electromagnetic signature, these signatures being unique to each of the security documents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.