| 摘要 |
PURPOSE: A financial transaction method through bar code downloading to a mobile communication terminal is provided to encode a bar code symbol downloaded to the mobile communication terminal of a user and perform financial transaction. CONSTITUTION: A user requests the downloading of a financial transaction bar code symbol to a bar code symbol generating server through a mobile communication terminal(S100). The bar code symbol generating server receives the downloading request of the bar code symbol, generates a bar code symbol on the basis of financial information of the user, and transmits the generated bar code symbol to the mobile communication terminal of the user(S200). The user inserts the mobile communication terminal which receives the bar code symbol into a financial transaction device, and request financial transaction(S300). The financial transaction device receives the request of the financial transaction, reads data in the bar code symbol, transmits the read result to a financial institute information authentication server, and requests financial transaction authentication(S400). The financial institute information authentication server receives the authentication request, and transmits a transaction valid signal or a transaction invalid signal to the financial transaction device(S500). |
