Contact-free integrated circuit having automatic frame identification means
US7506820B2 · kind B2 · utility
4Cited by
3References
65Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2004 |
| Grant date | Mar 24, 2009 |
| Priority date | — |
| Expiry date | Feb 14, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/0723
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A contactless integrated circuit includes means for sending/receiving data by inductive coupling, means for providing a communication according to at least two determined protocols, and means for automatically switching into a communication mode conforming to one or other of the protocols depending on the profile of a start of frame received at the beginning of a communication.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.