| 摘要 |
PROBLEM TO BE SOLVED: To provide a system for performing effective contents circulation while checking piracy due to an illegal file exchange and managing copyright (a utilization condition) and charging. SOLUTION: A plurality of contents distribution devices A11 are provided with a contents storage processing unit 115 for performing storage of contents, a user interface unit 111 for viewing the contents and presenting information to a user, a contents acquisition processing unit 113 for performing the processing associated with acquisition and purchase of the contents from a contents providing device 1, etc., and a transmitter-receiver 117 for exchanging data through a communication network 19. A contents distribution management device 17 is provided with a charging management processing unit 175 for performing the charging of the contents, and a copyright management processing unit 173 for performing the management of copyright related information (the utilization condition, key information, etc.) and transmission thereof. A contents distribution management system is constituted of the above devices A11 and 17 through a communication network 19. |
