| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable a store to provide different services depending upon a relation between customers visiting the store. <P>SOLUTION: In an information processor 20, a card reader 22 reads information from a first card (a) storing a customer ID of a customer, the customer ID of the other customer to be related to the customer, and an association classification code showing a relation between the customers, and a second card b storing the customer ID, the other customer ID and the association classification code. When both the other customer ID read from the first card (a) and the customer ID read from the second card b coincide with the customer ID read from the first card (a) and the other customer ID read from the second card b, a service of information set in accordance with the association classification code is determined by retrieving a database 33 on the basis of the association classification code read from the first or second card. <P>COPYRIGHT: (C)2010,JPO&INPIT |
