Television – Nonpictorial data packet in television format – Including teletext decoder or display
Reexamination Certificate
2007-02-06
2007-02-06
Tran, Trang U. (Department: 2622)
Television
Nonpictorial data packet in television format
Including teletext decoder or display
C348S461000, C348S564000, C348S589000
Reexamination Certificate
active
10843422
ABSTRACT:
The present invention includes a teletext decoder extracting to decode the teletext information from an inputted video signal, a video processing unit extracting to process a pure video signal from the inputted video signal only, a teletext bypass unit converting the teletext information extracted from the inputted video signal to an analog video signal form, a first synthesizing unit synthesizing to output the pure video signal outputted from the video processing unit and the teletext information outputted from the teletext decoder, a second synthesizing unit synthesizing to output the pure video signal outputted from the video processing unit and the teletext information outputted from the teletext bypass unit, and a memory storing the processed video signal and the teletext information extracted from the inputted video signal.
REFERENCES:
patent: 5109279 (1992-04-01), Ando
patent: 5610664 (1997-03-01), Bobert
patent: 5790204 (1998-08-01), Yamaguchi
patent: 5995160 (1999-11-01), Rumreich
patent: 6011594 (2000-01-01), Takashima
patent: 2003/0106056 (2003-06-01), Naimpally
Birch, Stewart, Kolasch and Birch LLP
LG Electronics Inc.
Tran Trang U.
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