| 摘要 |
PROBLEM TO BE SOLVED: To provide a sales promotion system using a customer card making it possible to promote sales corresponding to a customer visiting a store by using customer information stored in a customer database. SOLUTION: This system is equipped with a recording means where ID information for specifying at least a customer is recorded, the customer card having a display means which can display information in a rewritable state, terminal devices each having a card reader writer which writes and reads information to/from the recording means and writes and rewrites information of the display means and a display means which displays the customer information, and a host computer having a control means which extracts customer information from the customer information data base according to customer information database stored with the customer information and the ID information read by the card reader writer out of the customer information database and displays the customer information by the display means. |
