| 摘要 |
PROBLEM TO BE SOLVED: To provide a recording medium and an information transmission system which can copy contents to a recording medium without troubling a user with complicated operation and an automatically properly charge a person having a copyright and distribution traders. SOLUTION: Changing information is written in a recording medium A8, where contents are to be recorded, by a prepaid system and is subtracted at each time of copying. A title whose contents are copied is read from the recording medium A8 and is recognized by a contents service provider 6 at the time of downloading the contents from a service terminal 7 connected to the contents service provider 6. |
