| 摘要 |
PURPOSE: A customer management system using card payment and a method thereof are provided to download a necessary key value through a card terminal of a member store and change necessary information, thereby keep security. CONSTITUTION: A client(100) searches information about a desired member store. If the client performs payment by a financial payment card(110) in a card reader(210) of the member store, the card reader transmits payment breakdown to a service company controller(321) of a service company server(320). The card reader transmits a phone number or a specific number with a key value to the service company controller. A search engine(311) renews necessary data by the phone number or the specific number with the key value. |
