Display control system which produces varying patterns to reduce flickering
First Claim
1. A display control system which uses a single frame of color code information to display a plurality of frames of gray-scale information on pixel positions of a monochrome display screen, comprising:
- means for receiving a single pixel of color code information for a pixel of said display screen; and
digital video signal control means, responsive to said pixel color code information, for producing a plurality of monochrome digital video signals for each color pixel of the video image, said plurality being indicative of a color with a gray scale value dependent on said color code information, the value of said monochrome digital video signal being based on both of (a) which of said frames of gray scale information is being displayed and (b) said pixel position.
1 Assignment
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Accused Products
Abstract
A display control system has a digital interface therein. When software using a color display is executed and displayed in a monochrome monitor, this system is responsive to color code information to arbitrarily select either a hatching pattern conversion or a grey scale display according to application software or the like. The system can thus discriminate the display contents thereof.
In a color monitor that permits input of a plurality of digital signals, the display control system can convert a given piece of color code information into digital video signals according to frames and display positions in a given area of a display screen for display of natural colors. In a monochrome monitor capable of displaying video and high-intensity brightness signals, the display control system not only converts a given piece of color code information into digital video signals according to frames and display positions in a given area of a display screen, but also outputs digital video signals in a plurality of bits according to a piece of color code information, so as to display more gradations of the color code.
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Citations
19 Claims
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1. A display control system which uses a single frame of color code information to display a plurality of frames of gray-scale information on pixel positions of a monochrome display screen, comprising:
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means for receiving a single pixel of color code information for a pixel of said display screen; and digital video signal control means, responsive to said pixel color code information, for producing a plurality of monochrome digital video signals for each color pixel of the video image, said plurality being indicative of a color with a gray scale value dependent on said color code information, the value of said monochrome digital video signal being based on both of (a) which of said frames of gray scale information is being displayed and (b) said pixel position. - View Dependent Claims (2, 3, 4, 5)
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6. A display control system which uses a single frame of color code information to display a plurality of frames of gray scale information on pixel positions of a .[.monochrome.]. display screen, comprising:
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means for receiving a pixel of color code information for a pixel of said display screen; means for determining a dot position on said display screen, and a current gray scale frame count indicative of which of a plurality of frames of gray scale information is being displayed; and a plurality of digital video signal conversion means, each for converting each said pixel of color code information into a plurality of monochrome digital video signals, said plurality being indicative of a color with a gray scale value dependent on said color code information, the value of said monochrome digital video signals being based on both of said gray scale frame count, and said dot position on said display screen. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. A display control system which uses a single frame of color code information to display a plurality of frames of gray scale information on a monochrome display screen having a plurality of pixel positions comprising:
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digital video signal conversion means for converting a single pixel of color code information into a plurality of monochrome digital video signals, each for a frame of the video image, said plurality being indicative of a color with a gray scale value dependant on said color code information, the value of said monochrome digital video signals being based on a gray scale frame count, indicative of which frame of gray scale information is being displayed and a count of said pixel positions on said display screen, such that at least some video signals indicative of a first color code and a first pixel position in a first gray scale frame, are different video signals from signals for said first color code and said same first pixel position in a second gray scale frame; and means for outputting said digital video signals as a plurality of bits. - View Dependent Claims (14, 15, 16)
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17. A display control system which uses a single frame of color code information to display a plurality of frames of gray scale information on pixel positions of a monochrome display screen, comprising:
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means for receiving a color code for a pixel of said display screen; means for determining a plurality of monochrome digital video signals for each said color code of each said pixel, said plurality being indicative of a color with a gray scale value dependent on said color code, and each of said plurality of signals indicative of a different one of said gray scale frames, the value of said video signals being based on a line and pixel count and a frame number; and
means for supplying said digital video signals to said display screen. - View Dependent Claims (18, 19)
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Specification