| 摘要 |
PURPOSE: A method for generating a coupon is provided to use a watermarking image, thereby safely generating and collecting a coupon. CONSTITUTION: An encoding marking image is read so that coupon generation information is extracted. An agent directly generates a coupon. If personal information is not included in the encoding marking image, the agent obtains subscriber information from a member information database of a mobile communication system(125) or an IC chip. |
