Invention Grant
US08408463B2 Mobile device add-on apparatus for financial transactions 有权
用于金融交易的移动设备附加设备

Mobile device add-on apparatus for financial transactions
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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