The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 12, 2008
Filed:
Jul. 18, 2006
Hidetaka Magoshi, Tokyo, JP;
Hidetaka Magoshi, Tokyo, JP;
Sony Computer Entertainment Inc., Tokyo, JP;
Abstract
Methods and apparatus permit: reading a rewritable storage medium, the rewritable storage medium including digital content and a flag indicative of whether the digital content is encrypted; determining whether the digital content of the rewritable storage medium is encrypted based on the flag; encrypting the digital content of the rewritable storage medium using an identification (ID) number as an encryption key when the flag indicates that the digital content is not encrypted, the ID number being unique to a processing apparatus operable to execute the digital content; and overwriting the digital content of the rewritable storage medium with the encrypted digital content.