G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 21/00 (2006.01)
Patent
CA 2652257
A content storage device comprises a content storage unit which stores master content with content handling information including conditions of copy limitations added thereto, content information management units which acquire to individually manage content information related to the conditions of the copy limitations from the content handling information added to the stored content in storing the master content, a content information provision unit which reads to provide management information in response to a request, and a copy limitation processing unit which determines the conditions of the copy limitations from the management information of the content information management unit in copy requesting of the master content and instructs execution of copy processing only when the conditions are satisfied, and updates the conditions of the copy limitations in accordance with instructing execution of the copy processing.
Abe Takafumi
Hiroshima Junji
Kurihara Shinichi
Ooya Yasuo
Wada Sunao
Kabushiki Kaisha Toshiba
Marks & Clerk
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