Patent ID: 9002006
Filing Date: 2015-04-07
Classification: H04N

Abstract:
1. A method for a distributor to control access to distributed content, comprising: receiving subscriber information for a plurality of subscribers authorized to receive one or more portions of distributed content; classifying the plurality of subscribers as a member of one of a plurality of groups according to a grouping function and further based on the respective subscriber information; determining a group-specific entitlement management message window within an entitlement management message (EMM) for each of the plurality of groups, wherein each group-specific entitlement management message window corresponds to specified time of a broadcast to the respective one of the plurality of groups; providing the plurality of subscribers with a respective group-specific entitlement management message window, wherein an occurrence of each group-specific entitlement management message window is operable to cause a communication device of the respective subscriber to tune to a broadcast channel to receive the entitlement management message; and broadcasting the EMM with the respective group-specific entitlement management message windows.