| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to freely leave a memo etc. to original data and freely browse it on various information terminals by storing additional data such as the memo independently from the original data on the server, while protecting copyright.SOLUTION: When receiving a request from a member's information terminal, a service provision server reads original data of corresponding content from a content database and transmits the data, and reads corresponding additional data from an additional information database and transmits the data. The information terminal stores the received original data and its additional data in buffer means and overlappingly outputs the original data and its additional data after synchronizing them. The additional data such as a memo added at the information terminal side is transmitted to the service provision server and stored in the additional information database. |
