Patent ID: 7774808
Filing Date: 2010-08-10
Classification: H04N

Abstract:
1. A method for distributing geographical restriction data in an internet protocol television (IPTV) system, the method comprising: accepting at an IPTV server, a request from an IPTV client device for the geographic restriction data related to geographically restricted video data; determining at the server, a plurality of geographic restriction zones based on physical proximity to a geographic origin for the geographically restricted video data; determining a plurality of different duration time delays for the plurality of geographic restriction zones, wherein the geographic restricted data is available with a shorter time delay in a geographic restriction zone farther from the geographic origin; determining a listing of registered IPTV client devices in each of the geographic restriction zones; determining a listing of registered IPTV client devices watching the geographic restricted data in each of the geographic restriction zones; determining a listing of registered IPTV client devices that have registered within the last 30 days in each of the geographic restriction zones; and sending from the server to the client a message comprising electronic program guide (EPG) formatted data containing the geographic restriction data related to at least one of the plurality of geographic restriction zones.