ELECRIC CARD, ELECTRIC CARD READER, AND ELECTRIC ACCOUNT SYSTEM USING THEM

摘要

PURPOSE: An electronic card, electronic card reader, and electronic payment system using the same are provided to integrate a plurality of cards into one display device and to simplify the carrying of cards. CONSTITUTION: A memory(102) stores card information about cards which a user issues and user information. An RF(Radio Frequency) signal transmitter(110) generates card information and user information to the radio frequency signal. A display unit(108) includes a card selection menu, a information checking menu, and a download menu. If the card selection menu is selected, a UI(User Interface) unit(106) generates the payment selection signal corresponding to the card. If the information confirmation menu is selected, the UI unit generates an information request signal corresponding to the card.