| 摘要 |
PURPOSE: An electronic card for bank transactions is provided to perform the functions of bankbooks, cash cards, and credit cards of every bank through one electronic card and to prevent the third person to use the card when the card is lost. CONSTITUTION: The electronic card for bank transactions is composed of storage, transmission, selection, and connection. The circuit (10) includes a flesh memory(12), a ROM(14), a TFT LCD screen(17), a Driver IC(16), an MPU(11), a keyboard(15), and a DATA input/output port(18). The MPU executes every external commands and the flesh memory stores or deletes the necessary data according to the MPU's command. The ROM stores the data that will not be deleted once it is inputted and the Driver IC transfers the data stored in the memory to the TFT-LCD screen in order to display the necessary data. The keyboard selects or inputs the necessary data on the TFT-LCD screen. The electronic card's data input/output port connects to the bank computer system's input/output port and processes the data.
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