Display control system and its control method, switching device, connection device, peripheral device, peripheral device system, and their control method, and computer readable memory
First Claim
Patent Images
1. A display control system which has an image memory for storing image information to be displayed on a plurality of display devices and controls said plurality of display devices to display an image on a basis of the image information, the display control system comprising:
- designation means for designating a destination display device from said plurality of display devices, each of said plurality of display devices comprising a display screen which has a plurality of display lines;
transmitting means for transmitting to said plurality of display devices, device information representing the destination display device designated by said designation means, line information representing a single display line of the plurality of display lines of the destination display device and image information to be displayed on the single display line; and
control means for controlling the single display line of the destination display device to display the image information in accordance with the device information and the line information.
1 Assignment
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Accused Products
Abstract
The presence/absence of an image information request signal HSYNC output from each of a plurality of display devices is monitored. Based on the monitoring result, image information stored in an image memory of a display controller incorporated in a host computer is distributed to each display device.
83 Citations
11 Claims
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1. A display control system which has an image memory for storing image information to be displayed on a plurality of display devices and controls said plurality of display devices to display an image on a basis of the image information, the display control system comprising:
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designation means for designating a destination display device from said plurality of display devices, each of said plurality of display devices comprising a display screen which has a plurality of display lines;
transmitting means for transmitting to said plurality of display devices, device information representing the destination display device designated by said designation means, line information representing a single display line of the plurality of display lines of the destination display device and image information to be displayed on the single display line; and
control means for controlling the single display line of the destination display device to display the image information in accordance with the device information and the line information. - View Dependent Claims (2, 3, 4, 5)
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6. A method of controlling a display control system which has an image memory for storing image information to be displayed on a plurality of display devices and controls said plurality of display devices to display an image on a basis of the image information, the method comprising:
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a designation step of designating a destination display device from said plurality of display devices, each of said plurality of display devices comprising a display screen which has a plurality of display lines;
a transmitting step of transmitting to said plurality of display devices, device information representing the destination display device designated by said designation step, line information representing a single display line of the plurality of display lines of the destination display device and image information to be displayed on the single display line; and
a control step of controlling the single display line of the destination display device to display the image information in accordance with the device information and the line information. - View Dependent Claims (7, 8, 9, 10)
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11. A computer-readable memory medium which stores program codes for controlling a display control system which has an image memory for storing image information to be displayed on a plurality of display devices, and controls said plurality of display devices to display an image on a basis of the image information, the program codes comprising:
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a program code for a designation step of designating a destination display device from said plurality of display devices, each of said plurality of display devices comprising a display screen which has a plurality of display lines;
a program code for a transmitting step of transmitting to said plurality of display devices, device information representing the destination display device designated by said designation step, line information representing a single display line of the plurality of display lines of the destination display device and image information to be displayed on the single display line; and
a program code for a control step of controlling the single display line of the destination display device to display the image information in accordance with the device information and the line information.
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Specification