| 摘要 |
<P>PROBLEM TO BE SOLVED: To allow a seller to flexibly set sales terms for digital content, and to allow a purchaser to purchase desired digital content according to the flexibly set sales terms, thus permitting improvement of the opportunities of electronic transactions. <P>SOLUTION: A digital content transaction device 1 has a content transaction device 10 which deals with a seller and a buyer for digital content; a plurality of user terminals 20i (i= a, b to n), which the seller and the buyer use in trading; and a computer network 30 for connecting the content transaction device 10 and the plurality of user terminals 20i. When the seller registers digital content which will be a trade object with the content transaction device 10, and when the buyer purchases a desired digital content from among two or more digital contents registered with the content transaction device 10, the digital content is distributed for viewing time interval according to a purchased amount. <P>COPYRIGHT: (C)2004,JPO |
