Picture display device using scan direction transposition

Details Picture display device using scan direction transposition Picture display device using scan direction transposition

H - Electricity

04

N

350/100

H04N 3/10 (2006.01) H04N 3/16 (2006.01) H04N 3/27 (2006.01) H04N 9/12 (2006.01) H04N 5/44 (2006.01)

Patent

CA 2004514

PHN 12.755 30.3.1989 ABSTRACT "Picture display device using scan direction transposition" In a picture display device suitable for receiving and processing an incoming video signal which comprises horizontally scanned picture information and for displaying pictures which are composed of fields each of which comprises a given number of lines, a scanning section for generating line and field scanning signals for forming the lines and fields, respectively, is adapted to scan the lines in the vertical direction, a number of vertical lines constituting a field and the vertical line frequency being many times higher, at least 200 times, than the horizontal field frequency. A video signal processing section for processing the picture information which is present in the video signal comprises a scan direction transposition circuit for receiving the picture information and for sequentially assigning picture information to elements of the vertically scanned lines.

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