| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic commerce system which enables service such as a discount coupon to be received with ease. SOLUTION: Access to discount information on a server system 10 is gained by a portable telephone 5 through a network to download a displayed coupon. On the coupon, discrimination information showing the right to receive a discount is displayed in the form of a bar code 67 and a store 20 can inputs the bar code by reading it by a reader 21 and sends it to the server system 10 through the network to have authentication. At the same time, the server system 10 can accumulates the use history of the coupon as user information. Consequently, the coupon can easily be obtained through the network to receive the service without the trouble to carry a coupon ticket or print it on a printer. |
