An electronic transaction card communicates with an add-on slot of an intelligent electronic device. The add-on slot may be a memory card slot. The intelligent electronic device may be a mobile phone or other device with or without network connectivity. The electronic transaction card may have magnetic...http://www.google.fr/patents/US7954715?utm_source=gb-gplus-shareBrevet US7954715 - Mobile device with transaction card in add-on slot
Mobile device with transaction card in add-on slot
