| 摘要 |
The purpose of the present invention is to allow a user to use conventionally and efficiently a transportation card which is publicly used. So, it can reduce inconvenience that the transportation card is recognized when the user gets on or off and stress that users feel due to potential loss of transport card. The use of a T-money card which is widely used is gradually increased by enlarging the scope of business affiliation to improve the convenience of consumers. But, users cannot check their balance. So, the present invention provides a function of checking the balance by using liquid crystal display like a watch. |
