| US 7,555,648 B2 | ||
| Content management system, recording medium and method | ||
| Shinko Riku, Fuchu (Japan); Junichi Yamamoto, Fuchu (Japan); Hidekazu Nishizawa, Machida (Japan); Masataka Yamada, Fuchu (Japan); Naoto Akimoto, Tama (Japan); and Shinichi Matsukawa, Fuchu (Japan) | ||
| Assigned to Kabushiki Kaisha Toshiba, Tokyo (Japan); and Toshiba Solutions Corporation, Tokyo (Japan) | ||
| Appl. No. 10/539,754 PCT Filed Dec. 19, 2003, PCT No. PCT/JP03/16388 § 371(c)(1), (2), (4) Date Apr. 04, 2006, PCT Pub. No. WO2004/057476, PCT Pub. Date Jul. 08, 2004. |
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| Claims priority of application No. 2002-370284 (JP), filed on Dec. 20, 2002. | ||
| Prior Publication US 2006/0212927 A1, Sep. 21, 2006 | ||
| Int. Cl. H04L 9/00 (2006.01) | ||
| U.S. Cl. 713—171 [713/168; 380/278] | 4 Claims |
| 1. A content management system comprising:
a unit which accepts a storage request including change content obtained by changing content whose utilization restriction
is released by right data and a content ID to identify the content;
a unit which, based on the storage request, makes reference to a recording unit which records utilization restricting data
used to restrict the utilization of the content and the content ID in association with each other to create a storage content
obtained by restricting the use of the change content by using the utilization restricting data;
a storage unit which issues a storage content ID to identify the storage content, provides a storage request issuer with the
storage content ID, and records in the recording unit the storage content ID and the storage content in association with each
other;
a unit which accepts an acquisition request including the storage content ID;
a unit which reads the storage content from the recording unit based on the acquisition request; and
a unit which distributes the storage content read based on the acquisition request to an acquisition request issuer.
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