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:
Feb. 21, 2012
Filed:
Feb. 13, 2006
Applicants:
Germano Leichsenring, Osaka, JP;
Tomokazu Kanamaru, Osaka, JP;
Inventors:
Germano Leichsenring, Osaka, JP;
Tomokazu Kanamaru, Osaka, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A BD-ROM stores a disc root certificatethat is issued by a root certificate authority and assigned to the disc medium. An application mangeracquires a hash value from the disc root certificateand verifies the authenticity of an application by using the hash value. If the authenticity is verified, the virtual machineexecutes the application. A local storagehas a plurality of domain areas. Form among the plurality of domain areas, a security mangerallocates to the application a domain area that corresponds to the hash value.