Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1990-05-03
1991-07-09
Kostak, Victor R.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358 11, H04N 701
Patent
active
050310402
ABSTRACT:
A system converter device converts a video signal based on the MUSE system to a video signal based on the NTSC system. In the system converter device, two lines of scanning line signal based on the NTSC system are generated from three adjacent same numbered-type field lines of scanning line data included in the MUSE signal. The generated time-discontinuous scanning line signal is made continuous by an expanding circuit. The video information included in the MUSE signal is not lost by conversion, became a video signal based on the NTSC system is generated from all the scanning line signals forming 1 frame included in the MUSE signal. Therefore, it is possible to display the complete transmitted video on the display screen.
REFERENCES:
patent: 4751573 (1988-06-01), Kubota
patent: 4794456 (1988-12-01), Tsinberg
patent: 4953025 (1990-08-01), Saitoh et al.
Kostak Victor R.
Sharp Kabushiki Kaisha
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