| 摘要 |
A universal electronic transaction card ("UET card") serves as a number of different cards for banking, identification and the like. The UET card includes storage means (34), inputting and display means (30), processing means (33) and communication means (38). The display is a touch sensitive display which provides a number of menus to select the type of card to use for a transaction. After the choice is made, a graphic image appears on the display which looks like the face of the card, including the account number, user's name, the name of the credit card company and its logo. Thereafter, the user presents the UET card to the point of sales terminal for a sales transaction. The sales transaction information is transferred and stored in the UET card by the point of sales terminal to eliminate paper receipts and facilitate future storage, verification and analysis.
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