| 摘要 |
PURPOSE: A medium having a printed bingo pattern and a business method using the same are provided to activate a commercial transaction by satisfying a curiosity of a user. CONSTITUTION: A condition for a bingo and a bingo pattern are defined(101). The defined bingo pattern is printed on cards and the cards are distributed to clients(102). If the client executes a commercial transaction and uses the card having the bingo pattern, a card device processes inherent functions according to various kinds of transactions, fixes a portion to be printed in this time out of no printed portions, and prints a bingo mark at random(103-105). The client checks printed bingos in each transaction. If the bingo is achieved as the previously defined pattern, a person in charge checks the bingo pattern, and the client receives bonus points or a commodity(106,107). |
