Television – Nonpictorial data packet in television format – Including teletext decoder or display
Reexamination Certificate
2004-09-17
2008-09-30
Natnael, Paulos M. (Department: 2622)
Television
Nonpictorial data packet in television format
Including teletext decoder or display
Reexamination Certificate
active
07430016
ABSTRACT:
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast receiver includes: a demultiplexer for dividing a received broadcast stream into video data, audio data, supplementary information; a controller for determining whether caption data included in the video data is digital caption data or analog caption data on the basis of caption information included in the supplementary information, and outputting a control signal according to a result of the determining; a digital caption decoder for extracting and decoding digital caption data from the video data according to the control signal; and an analog caption decoder for extracting and decoding analog caption data from the video data according to the control signal.
REFERENCES:
patent: 5483289 (1996-01-01), Urade et al.
patent: 5583577 (1996-12-01), Tsukagoshi
patent: 5742352 (1998-04-01), Tsukagoshi
patent: 5926613 (1999-07-01), Schaffer
patent: 2004/0036806 (2004-02-01), Katayama
patent: 1020000074839 (2000-12-01), None
Lee Hong Degerman Kang & Schmadeka
LG Electronics Inc.
Natnael Paulos M.
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