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:
Jul. 05, 2011
Filed:
Apr. 03, 2006
Applicant:
Michiaki Yoneda, Kanagawa, JP;
Inventor:
Michiaki Yoneda, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G06F 11/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an information recording medium reproducing method, an information recording medium, a reproducing apparatus and an information recording medium managing method, a predetermined server is accessed on the basis of an address recorded in an information recording medium to issue key data from the server, and encrypted data recorded in the information recording medium are decrypted with the key data thus issued.