Interactive video distribution systems – User-requested video program system – Video-on-demand
Reexamination Certificate
2006-08-29
2006-08-29
Bui, Kieu-Oanh (Department: 2611)
Interactive video distribution systems
User-requested video program system
Video-on-demand
C725S116000, C725S139000
Reexamination Certificate
active
07100189
ABSTRACT:
A virtual channel table for broadcasting protocol and a method for broadcasting by using the virtual channel table includes identification information identifying and permitting discrimination of active and inactive channels contained in the virtual channel table. At a receiver, the virtual channel table transmitted from the transmitting side is parsed, thereby determining whether the current received channel is an active or inactive channel.
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“ATSC Standard: Program and System Information Protocol for Terrestrial Broadcast and Cable (Revision B),” Advanced Television Systems Committee, Doc. A/65B, Mar. 18, 2003.
“System Information for Digital Television ATSC Standard,” Advanced Television Systems Committee, Doc. A/56, Jan. 3, 1996.
Bui Kieu-Oanh
McKenna Long & Aldridge LLP
LandOfFree
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