Digital content use right management system
AssigneeMitsubishi Electric Corporation
InventorTatsuya Tsurukawa
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AssigneeMitsubishi Electric Corporation
InventorTatsuya Tsurukawa
Estimating the term…
A digital content management system to decide whether or not a digital content is available depending on a location of a user who desires to use the digital content is provided. A digital content use right management system includes a digital content server device 1 to store an encrypted digital content, a license server device 2 to generate and transmit license data 4 containing an available location of the digital content and a decryption key to decrypt the digital content, and a client device 3 to receive the digital content from the digital content server device 1, to receive the license data 4 from the license server 2, and based on a condition for use defined by its use condition, to determine whether or not to decrypt the digital content with the decryption key contained in the license data 4. In the digital content use right management system, the client device 3 includes a current location identifying means to obtain a current location, and a license data processing means to compare the current location obtained by the current location identifying means with the available location contained in the license data 4, and to determine whether or not to decrypt the digital content.
A digital content management system comprising:
Dependencies are inferred from the claim text.