Patent ID: 7146628
Filing Date: 2006-12-05
Classification: H04N

Abstract:
1. A method of communications for an interactive program guide (IPG), comprising: receiving, by a session manager from a terminal, a demand-cast request message for a particular region of a particular interactive program guide (IPG) page, the particular region being one of a plurality of regions, the regions including a guide region, a video region, an icon region, and a program description region, the particular IPG page being one of a plurality of IPG pages; sending, by the terminal to the session manager, a stream acquired message, when it is determined at the terminal that the particular region is currently received at the terminal; sending, by the session manager to a transport stream generator, a stream requested message, when the particular region is not currently received at the terminal; sending, by the session manager, to the transport stream generator, a stream acquired message, when the particular region is currently received at the terminal; generating, by the transport stream generator, a stream for the particular region, upon receiving the stream requested message from the session manager.