NFC card sensitive to eddy currents
US8798535B2 · kind B2 · utility
5Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2011 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | Mar 12, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/07769
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An NFC card includes an antenna circuit including an antenna coil having at least one magnetic axis, and at least one integrated circuit linked to the antenna circuit. The magnetic axis of the antenna coil is substantially parallel to the plane of the card, and is at an angle of 45°±25° with respect to a longitudinal axis LX of the card. Embodiments of the invention are applicable in particular to SIM-NFC card and SD-NFC cards.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.