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

Interactive video distribution systems – Video distribution system components – Receiver

Reexamination Certificate

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C725S056000

Reexamination Certificate

active

07603695

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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patent: WO 99/03269 (1999-01-01), 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.

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