Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular node for directing data and applying cryptography
Reexamination Certificate
2006-02-14
2006-02-14
Peeso, Thomas R. (Department: 2132)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular node for directing data and applying cryptography
C713S193000, C713S152000, C713S152000
Reexamination Certificate
active
07000104
ABSTRACT:
When content is downloaded, the terminal device writes such content into a data storage region only accessible by a system application program. Upon completion of formal procedures, the terminal device decodes the content stored in the data storage region into an another region from which the content can only be read out using a user application program. This successfully prevents unauthorized use of the content as far as it resides in the data storage region, and ensures safe content distribution through a network.
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Lerner David Littenberg Krumholz & Mentlik LLP
Peeso Thomas R.
Sony Computer Entertainment Inc.
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