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:
Jun. 18, 2013
Filed:
Jan. 25, 2008
Young Sik Ryu, Seoul, KR;
Kyoung Ho Jeon, Seoul, KR;
Young Sik Ryu, Seoul, KR;
Kyoung Ho Jeon, Seoul, KR;
Fasoo.Com.Co.Ltd., Seoul, KR;
Abstract
A computer system includes a DRM client system in which a plurality of DRM clients are installed, comprising: a virtual OS managing unit that separates a kernel of an actual operating system installed in the DRM client system to generate and manage a virtual operating system; a branch process information managing unit that manages branch process information according to a type of a document that a user attempts to read; and an application program branching unit that analyzes the branch process information and executes DRM client agent for managing the DRM client in an actual OS region or a virtual OS region according to the type of a document that the user attempts to read to allow the user to read the document.