Microprocessor card
US7815125B2 · kind B2 · utility
4Cited by
3References
51Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2008 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | Mar 28, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/07
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The microprocessor card includes a first microprocessor and a second microprocessor, the first microprocessor including elements for commanding the second microprocessor. In embodiments, the card includes electrical contacts adapted to carry command signals, these electrical contacts being connected exclusively to the first microprocessor. In embodiments, the first microprocessor includes elements for commanding the second microprocessor via commands conforming to the ISO 7816 standard. The first microprocessor uses a lower level of security than the second microprocessor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.