Anti-counterfeit label having increased security
US10108894B2 · kind B2 · utility
5Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 14, 2016 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Jun 14, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F2003/0273
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a near field magnetically coupled contactless tag, comprising a substrate comprising a rupture zone; a master microcircuit arranged on the substrate on one side of the rupture zone, and configured to be interrogated by a near-field reader; a slave microcircuit arranged on the substrate on the other side of the rupture zone; and a sacrificial link connecting the two microcircuits, wherein the two microcircuits are configured to negotiate mutual authentication through the sacrificial link.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.