Time-measurement secured transactional electronic entity
US7431211B2 · kind B2 · utility
6Cited by
3References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 24, 2003 |
| Grant date | Oct 7, 2008 |
| Priority date | — |
| Expiry date | Mar 27, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/073
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An electronic entity such as a chip card containing time measurement elements includes a capacitative component (20) having a leak through the dielectric area thereof and being able to be charged when the entity is coupled to an electric power source and a member (22) for measuring the residual charge of the capacitative component which is implemented in a subsequent measure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.