Virtual channel table for a broadcast protocol and method of...

Interactive video distribution systems – User-requested video program system – Video-on-demand

Reexamination Certificate

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Details

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.

REFERENCES:
patent: 5894320 (1999-04-01), Vancelette
patent: 5982411 (1999-11-01), Eyer et al.
patent: 6133910 (2000-10-01), Stinebruner
patent: 6137539 (2000-10-01), Lownes et al.
patent: 6483547 (2002-11-01), Eyer
patent: 2002/0035726 (2002-03-01), Corl
patent: 2004/0225846 (2004-11-01), Guo
patent: 11234648 (1999-08-01), None
patent: 358311 (1999-05-01), None
“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.

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