CONTENT USAGE MANAGEMENT SYSTEM AND SERVER USED IN THE SYSTEM

摘要

A content usage management system includes a terminal device using content as digital production and a server device managing usage of the content on the terminal device, wherein the server device is equipped with a license information memory unit that memorizes license information indicating a usage rule of the content based on a user who uses the terminal device, and a license ticket issuance unit that generates a license ticket as right information indicating a part or all of a usage rule on the license information corresponding to the user based on a request from the user, and the terminal device is equipped with a requesting unit that requests usage of the content to the server device according to designation of the user, a receiving unit that receives the license ticket sent from the server device, and a content usage control unit that controls usage of the content according to the usage rule indicated on the license ticket received, wherein the requesting unit makes a request by sending expected information indicating content to be requested and a usage volume of the content, and the license ticket issuance unit generates a license ticket according to the expected information sent from the requesting unit and sends the license ticket to the terminal device.