Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2006-08-15
2006-08-15
Abdi, Kambiz (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S057000, C705S059000, C380S030000, C380S202000, C380S203000, C713S152000, C713S152000
Reexamination Certificate
active
07092909
ABSTRACT:
An information processing apparatus utilizing encrypted information corresponding to content of purchased right, includes a memory for storing the encrypted information, usage control policy indicating content of purchased right and price tag for specifying price content corresponding to the content of the purchased right. A first generating device generates a usage control status including the purchase history of the information on the basis of the usage control policy and the price tag stored in the memory. A setting device sets usage history based on usage of the information to the usage control status. A second generating device calculates an accounting price and generates accounting information including the accounting price based on the purchase history or the usage history, and/or puts a limit on purchasable usage conditions based on the purchase history or the usage history on the occasion the right is purchased again on different format from the control policy.
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Two-pronged SDMI scheme counts on audio-player makers, publishers— Internet music-protection plan heads for vote . . . ; (Secure Digital Music Initiative is to Approve Version 1.0 of its specification for portable Internet music device) Electronic Engineering Times, p. 16, Jul. 5, 1999.
Muto Akihiro
Oishi Tateo
Shirai Taizo
Abdi Kambiz
Greene Daniel L.
Sony Corporation
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