JPS6180292A - Display cotnrol system - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a control method for a display device applied to an information display system.

[Prior art]

Conventionally, in this type of information display system, as shown in FIG. 3, display information transmitted from a host computer 11 is received by an input/output processing device 12, temporarily stored in a memory 13, and then processed by a graphic processing device 14. 9 display memory 15 for display. but.

This display device can only have one virtual screen and one real screen, so when trying to display multiple pieces of information on one real screen, one virtual screen is used for editing each information. Also, it was necessary to use the same graphic processing device 14 to control the layout for fitting the images onto one real screen. As a result, the control of the two graphic processing devices was extremely complicated. One way to solve this problem has been to use two real screens to perform the desired processing, but this still requires control over the layout to fit onto the two real screens. There is no
It was never a fundamental solution to the above problem.

[Purpose of the invention]

An object of the present invention is to provide a display control device in which a plurality of virtual screens are set within one display device, and a plurality of screen images are separately created on each virtual screen independently of other virtual screens. By projecting onto one or more real screens.

It is an object of the present invention to provide a control method for a display device that eliminates the above-mentioned conventional drawbacks and allows easy display control.

[Structure of the invention]

The display device control method according to the present invention includes a plurality of display memories and one display control device, sets virtual screens in each of the plurality of display memories, and sets each virtual screen on each virtual screen independently of other virtual screens. screen images are created, and one of these screen images is controlled by the display control device.
Alternatively, it is characterized in that it is displayed with one or more real image enhancements.

[Embodiments of the invention]

Next, a display system according to the present invention will be described with reference to embodiments and nine drawings.

FIG. 1 is a block diagram showing the configuration of an embodiment according to the present invention. In this figure, display information transmitted from a host converter 1 is received by an input/output processing device 2 and temporarily stored in a memory 3. As shown in FIG. 2, identification information A is added to the display information B transmitted from the host combiner 1, indicating which one of the display memories 5-1 to 5-n is to be set. Graphic processing device 4
reads the display information into the memory 3 and sets it in the corresponding display memory based on the identification information contained in the display information. The contents of the display memories 5-1 to 5-n are displayed on the display device 7 via the display control device 6.

One display memory corresponds to one virtual screen.

Editing of each virtual screen is performed independently of editing of other virtual screens. The virtual screen image in each display memory can be displayed/hidden by the display control device 6.2 In addition to controlling the display and multi-window display, if there are two or more display devices 7, on which display device are they displayed? is displayed on the actual screen.

The display control device 6 is controlled by the host converter 1.
This is performed by switches, analog displacement amount setters, pointing devices, etc. so that instructions can be given from the outside in real time via the display control information input device 8 when one display device is used, independently of the graphic processing device 4 and the graphic processing device 4.

〔Effect of the invention〕

As is clear from the above description, according to one aspect of the present invention, a plurality of virtual screens and a display control device for projecting the virtual screens onto one or more real screens are added to a display device. This not only expands the control range of one display, but also simplifies the control of the host converter and graphic processing device, and also enables the user of the nine-display device to edit the real screen at will. , the effect obtained is large.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment according to the present invention;
FIG. 2 is a format showing the format of information sent from the host computer to the input/output processing device in the embodiment of FIG. 1, and FIG. 3 is a block diagram showing the configuration of a conventional information display system. In the figure, ■ is a host computer, 2 is an input/output processing device, 3 is a memory, and 4 is a graphic processing device. 5-1 to 5-n are display memories, and 6 is a display control device. 7 is a display device, and 8 is a display control information input device.

Claims (1)

[Claims] 1. A plurality of display memories and a display control device are provided, a virtual screen is set in each of the plurality of display memories, and a screen image unrelated to other virtual screens is created on each virtual screen. A control system for a display device, characterized in that a screen image such as the following is displayed on one or more real screens under the control of the display control device.