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US 2010/0169922 A1Published application
Virtual channel table for a broadcast protocol and method of broadcasting and receiving broadcast signals using the same
AssigneeLG Electronics Inc.
InventorsJin Pil Kim, C. Gomer Thomas
Life of this patent
Estimating the term…
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.
Claims15
1-30. (canceled)
A digital television receiver comprising:
- a tuner to receive a digital broadcast signal including a virtual channel table (VCT), the VCT being segmented into one or more sections, wherein each section contains information for one or more virtual channels but information for one virtual channel is not segmented and put into two or more sections, wherein each section includes a predefined data field which is set to zero for an inactive channel, wherein the inactive channel is a channel that is not presently carrying a broadcast program;
- however, the same inactive channel is scheduled to carry a broadcast program at a predetermined later time from a broadcasting station without local viewer interaction;
- and
- a database to receive the VCT.
1 more element
A method of processing digital broadcast data in a digital television receiver, the method comprising:
- receiving in a tuner a digital broadcast signal including a virtual channel table (VCT), the VCT being segmented into one or more sections, wherein each section contains information for one or more virtual channels but information for one virtual channel is not segmented and put into two or more sections, wherein each section includes a predefined data field which is set to zero for an inactive channel, wherein the inactive channel is a channel that is not presently carrying a broadcast program;
- however, the same inactive channel is scheduled to carry a broadcast program at a predetermined later time from a broadcasting station without local viewer interaction;
- and
- receiving in a database the VCT from the tuner.
1 more element
Dependencies are inferred from the claim text.