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, 2022
Filed:
Nov. 28, 2018
Applicant:
Nagravision SA, Cheseaux-sur-Lausanne, CH;
Inventors:
Jean-Bernard Fischer, Cheseaux-sur-Lausanne, CH;
Patrick Servet, Cheseaux-sur-Lausanne, CH;
Didier Hunacek, Cheseaux-sur-Lausanne, CH;
Assignee:
Nagravision S.A., Cheseaux-sur-Lausanne, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3268 (2013.01); H04L 9/3247 (2013.01);
Abstract
Methods and content consumption devices are disclosed that enable a revocation list to be securely enforced and managed, in terms of enforcing version control and providing granular control of individual capabilities, for example. Aspects also relate to enhanced enforcement control of content consumption control information more generally, for example by enforcing version control of activation messages, and/or granular management of individual capabilities.