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. 27, 2021
Filed:
May. 03, 2018
Nagravision S.a., Cheseaux-sur-Lausanne, CH;
Didier Hunacek, Cheseaux-sur-Lausanne, CH;
Jean-Bernard Fischer, Cheseaux-sur-Lausanne, CH;
NAGRAVISION S.A., Cheseaux-sur-Lausanne, CH;
Abstract
A method of transmitting entitlement messages to content consumption devices in a access control system, the method comprising periodically transmitting entitlement messages to content consumption devices in a access control system and periodically extending an expiry time comprised in the entitlement messages. The entitlement messages comprise indicator data indicating to the content consumption devices that subsequent entitlement messages loaded into a content consumption device after a first entitlement message is loaded into the content consumption device shall not be used by the content consumption device to access protected media content.