(19)
(11) EP 0 185 328 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.09.1989 Bulletin 1989/38

(43) Date of publication A2:
25.06.1986 Bulletin 1986/26

(21) Application number: 85115913.7

(22) Date of filing: 13.12.1985
(51) International Patent Classification (IPC)4G09G 1/16, G09G 1/28
(84) Designated Contracting States:
DE FR GB NL

(30) Priority: 13.12.1984 JP 261822/84
13.12.1984 JP 261823/84

(71) Applicant: Ascii Corporation
Minato-ku Tokyo (JP)

(72) Inventor:
  • Ishii, Takatoshi
    Oome-shi Tokyo (JP)

(74) Representative: Eitle, Werner, Dipl.-Ing. et al
Hoffmann, Eitle & Partner, Patent- und Rechtsanwälte, Postfach 81 04 20
81904 München
81904 München (DE)


(56) References cited: : 
   
       


    (54) Display control system


    (57) A display control system for use in a display system (10) having digital interfaces is disclosed which, when software using color display is executed (CG33,14 & 15) in the display system (10) with digital interfaces, is capable of distinguishing the display contents thereof from one another. Specifically, the display control system (10) is adapted to generate a given number of pieces of brightness information different from one another in duty correspondingly to respective pieces of color code information or brightness code information, to set up the dots of a display screen (20) in two mutually adjacent areas, and to shift the above-mentioned brightness information to be given to one of the above-mentioned areas from the above-mentioned brightness information to be given to the other area in phase. Also, the above-mentioned code information may be converted into hatch patterns correspondingly to the dot and raster positions in display means (20).







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