An interactive television system is provided in which an interactive television application is used to support network-based or local personal video recorder capabilities. A user may use this application to view lists of program listings. The user may select a program listing of interest. The interactive...http://www.google.es/patents/US7779445?utm_source=gb-gplus-sharePatente US7779445 - Interactive television systems with digital video recording and adjustable reminders
Interactive television systems with digital video recording and adjustable ...