| 摘要 |
PURPOSE: A portable terminal credit card is provided to reduce the number of possession credit cards and to prevent the magnetic damage of a credit card. CONSTITUTION: It is inconvenient to possess a presently used credit card. A portable terminal credit card supplements an existing credit card method and improves the service of a client. A credit card is able to be upgraded by a portable terminal. A user performs payment through a portable terminal having a credit card function. |
