Invention Grant
US08091786B2 Add-on card with smartcard circuitry powered by a mobile device 有权
带有由移动设备供电的智能卡电路的附加卡

Add-on card with smartcard circuitry powered by a mobile device
Abstract:
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 field producing circuitry compatible with magnetic card readers, smartcard circuitry, other point-of-sale interfaces, or any combination thereof.
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