Secure electronic entity for time certification
US8881974B2 · kind B2 · utility
3Cited by
19References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2003 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Oct 13, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/073
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention concerns a secure electronic entity (11) containing a time measuring unit (18) and comprising a unit (21) for certifying an information concerning a date or a time interval, the certifying unit (21) receiving from the time measuring unit (18) data concerning the date or the time interval and producing certification data of the information concerning a date or a time interval addressed to and external entity. The invention is applicable in particular to microcircuit cards.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.