Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
Reexamination Certificate
2011-08-30
2011-08-30
Moazzami, Nasser (Department: 2436)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
By stored data protection
C713S189000, C726S027000, C380S201000, C705S051000, C705S901000, C705S912000
Reexamination Certificate
active
08010806
ABSTRACT:
An information processing apparatus includes a content usage control information analyzer configured to read content usage control information recorded on an information recording medium and to perform content usage processing according to the content usage control information. The content usage control information analyzer determines whether the usage of content corresponding to the content usage control information is allowed based on a value of a flag included in the content usage control information and device information whether the information processing apparatus is an extended device having an extended function or a basic device without an extended function.
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Asano Tomoyuki
Kitani Satoshi
Muramatsu Katsumi
Takashima Yoshikazu
Ueda Kenjiro
Abedin Shanto M
Moazzami Nasser
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Sony Corporation
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