公开(公告)号：US20130305284A1

公开(公告)日：2013-11-14

申请号：US13939899

申请日：2013-07-11

Applicant: LG Electronics Inc

Inventor： JinPil Kim ,  C. Gomer Thomas

IPC: H04N5/50 ,  H04N21/482 ,  H04N5/445

CPC classification number: H04N21/462 ,  H04N5/4401 ,  H04N5/445 ,  H04N5/44543 ,  H04N5/455 ,  H04N5/50 ,  H04N7/16 ,  H04N21/235 ,  H04N21/2353 ,  H04N21/2362 ,  H04N21/26283 ,  H04N21/2668 ,  H04N21/43 ,  H04N21/431 ,  H04N21/4312 ,  H04N21/4318 ,  H04N21/434 ,  H04N21/4345 ,  H04N21/435 ,  H04N21/4382 ,  H04N21/4383 ,  H04N21/4384 ,  H04N21/443 ,  H04N21/454 ,  H04N21/458 ,  H04N21/4586 ,  H04N21/475 ,  H04N21/482 ,  H04N21/4821 ,  H04N21/4823 ,  H04N21/4828 ,  H04N21/6112 ,  H04N21/6118 ,  H04N21/6162 ,  H04N21/6168 ,  H04N21/83 ,  H04N21/84

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.