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:
Apr. 19, 2011
Filed:
Feb. 26, 2007
Applicants:
Joshua D. Hug, Seattle, WA (US);
Xiaodong Fu, Herndon, VA (US);
Inventors:
Joshua D. Hug, Seattle, WA (US);
Xiaodong Fu, Herndon, VA (US);
Assignee:
RealNetworks, Inc., Seattle, WA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01); G06F 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In accordance with one embodiment of the present invention, a digital certificate is used to link an arbitrary provisioned right with an associated arbitrary digital action to be performed by a client device on or with respect to a protected digital content object. In one embodiment, the certificate is associated with one or more secure components, which are utilized by the client device in association with performance of the digital action.