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:
Mar. 03, 2015
Filed:
Aug. 17, 2009
Applicants:
Kenjiro Ueda, Kanagawa, JP;
Tateo Oishi, Saitama, JP;
Jun Yonemitsu, Kanagawa, JP;
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); G11B 20/00 (2006.01); G06F 21/10 (2013.01); G11B 27/32 (2006.01);
U.S. Cl.
CPC ...
G11B 20/00086 (2013.01); G06F 21/10 (2013.01); G11B 20/00115 (2013.01); G11B 20/00166 (2013.01); G11B 20/00173 (2013.01); G11B 20/0021 (2013.01); G11B 20/00246 (2013.01); G11B 20/00362 (2013.01); G11B 20/00427 (2013.01); G11B 20/00507 (2013.01); G11B 20/00659 (2013.01); G11B 20/00862 (2013.01); G11B 20/00869 (2013.01); G11B 27/329 (2013.01); G11B 2220/213 (2013.01); G11B 2220/2541 (2013.01); G11B 2220/61 (2013.01);
Abstract
An information processing device includes: a local memory unit storing data including encrypted content; a memory storing data including key information to be used in a process of reproducing the encrypted content; and a data processing unit selectively reproducing encrypted content stored in a disk or the local memory unit, wherein the data processing unit reads a medium ID from the disk when the content to be reproduced is stored in the disk and reads a medium ID from the memory when the content to be reproduced is stored in the local memory unit.