发明名称 |
Copyright management method, information recording/reproducing method and device, and information recording medium and method of manufacturing the medium |
摘要 |
Reinforcement of a system renewability is realized skillfully utilizing properties peculiar to a system. As a result, there is produced such a new effect as to similarly reinforce required specification with respect to copyright protection of a content recorded in a medium for exclusive use in reproduction and a recordable medium. In a system which encrypts information such as a content to record/reproduce the information, design is made so that encryption/decryption processing information differs for a device (software (S/W) main body device) whose main body is software constituted of a recording/reproducing drive of a recording medium and a personal computer (PC), a device (hardware (H/W) main body device) whose main body is hardware integrally containing a drive and data coding/demodulation processing, and the medium for exclusive use in reproduction and the recording medium.
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申请公布号 |
US7721343(B2) |
申请公布日期 |
2010.05.18 |
申请号 |
US20050263034 |
申请日期 |
2005.11.01 |
申请人 |
KABUSHIKI KAISH TOSHIBA |
发明人 |
KATO TAKU;KOJIMA TADASHI;YAMADA HISASHI;ISHIHARA ATSUSHI |
分类号 |
G06F7/04;G06F17/30;H04N7/16 |
主分类号 |
G06F7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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