| 摘要 |
<p>Advertisement system for offering advertisement according to user type and discharging user transportation fare is provided. The system includes: card reader, with a memory which stores various advertisement data discerned by user type, the card reader reading card identification number from user transportation card; and server computer, with a database which stores information on user type by the card identification number, the server computer transmitting to the card reader output-control signal on the basis of the information on user type, and the card reader accessing the memory, reading specific advertisement data selected by the output-control signal and outputting the advertisement data.</p> |
