JPH0580732A - Saved screen display device - Google Patents

Abstract

PURPOSE:To improve the transfer efficiency of a screen information processing system by decreasing the amount of data sent from a host computer to a terminal device. CONSTITUTION:When this saved screen display device 1 receives screen data from a program 9, it is judged whether or not the screen data are stored in a saved screen data storage table 7 and when not, the screen data are sent to a screen input/output part 8 and stored in the saved screen data storage table 72 by a screen data gathering means 3, but when the screen data are stored, the screen data are taken out of the saved screen data storage table 72 by a screen data restoring means 4 and sent to the screen input/output part 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a save screen display device in an interactive information processing system, and more particularly, saves screen data sent from a host computer to a terminal device in a storage area of the terminal device and displays the same screen again. In the case of attempting to read the screen data saved in the storage area of the terminal device without sending the screen data, and then sending the screen data to display the screen on the display type display device. ..

[0002]

2. Description of the Related Art A conventional screen display device in an interactive information processing system is composed of a screen input / output unit 8 and a program 9 as shown in FIG. By transmitting the message, the screen was displayed on the display type display device connected to the terminal device.

[0003]

In the conventional screen display device described above, when the host computer tries to display the screen once displayed on the terminal device again, the same screen data must be transmitted again, and There is a drawback that the amount of transmission is large and input / output takes time.

Therefore, a technical problem of the present invention is to solve such a drawback.

[0005]

According to the present invention, there is provided an image data display device for receiving a command signal for instructing an image display and transmitting image data corresponding to the command signal to a display device for displaying an image, Image data storage means for storing the image data in advance as saved image data, and identification means for receiving the command signal and determining whether or not the image data corresponding to the command signal is stored in the image data storage means. When the identification means determines that the image data corresponding to the command signal is stored in the image data storage means, the image data corresponding to the command signal is displayed from the image data storage means. An image data display device is obtained which has a sending means for sending the image data to the device.

According to the present invention, the screen data is stored in a storage screen display device which receives screen data from a program operating on a host computer and displays an image on a display type display device connected to a terminal device. Screen data storage means, screen data identification means for determining whether or not the screen data is stored in advance as saved screen data, and when it is determined that the screen data is not stored as the saved screen data Screen data sending means for sending the screen data to the display type display device, and screen data transfer means for sending the screen data to the screen data storage means when it is determined that the screen data is not stored as the saved screen data. And the screen data identification means stores the screen data as the saved screen data. Saving screen display device characterized by having a storage screen data sending means for sending the stored screen data to the display type display device receives from the screen data storing means is obtained when it is determined that.

Further, according to the present invention, in the storage screen display device for receiving the screen data from the program operating on the host computer and displaying the image on the display type display device connected to the terminal device, the screen data is transmitted from the program. When receiving the screen information including the screen data identification information that is the information indicating the identity of the screen data,
A saved screen transfer information retrieval means for searching the saved screen transfer information storage means and displaying whether the same saved screen data as the screen data is stored, and a saved screen transfer information judging means for judging the existence of the saved screen transfer information. If the information does not exist, the screen information including the screen data is sent to the display type display device, and if the information exists, the screen information that does not include the screen data is sent to the saved screen stored information retrieval means, and the screen information sending means, When the saved screen transfer information retrieval means determines that the saved screen transfer information does not exist, the saved screen transfer information creating means for creating the saved screen transfer information of the screen data and the saved screen for storing the saved screen transfer information When the transfer information storage means and the saved screen transfer information retrieval means determine that the saved screen transfer information does not exist, the screen information Screen data storing means for storing the screen data of the save screen data, save screen storage information creating means for creating save screen storage information indicating the identity of the save screen data, and storing the save screen storage information. When the screen information not including the screen data is received from the saved screen storage information storage means and the screen information sending means, the saved screen data is the same as the screen data displayed by the screen data identification information in the screen information. Storage screen storage information retrieval means for retrieving storage screen storage information corresponding to the storage screen storage information, receiving the storage screen storage information from the storage screen storage information retrieval means, and storing the storage screen data corresponding to the storage screen storage information in the storage screen. A storage screen data acquisition unit that acquires the data from the data storage unit and a storage screen data transmission unit that transmits the storage screen data to the display device. Saving screen display device characterized by having a screen data transmitting means is obtained.

[0008]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of an embodiment of a saved screen display device 1 of the present invention, FIG. 2 is an example of the structure of a host saved screen management table 61, and FIG. 3 is a terminal saved screen management table. 71 is an example of the structure of FIG. 4, FIG. 4 is an example of the structure of the save screen data storage table 72, and FIG. 5 is a flowchart showing the operation of the host screen transfer control means 5 in the save screen display device 1 of the present invention. 6 is a flowchart showing the operation of the terminal screen display control means 2 of the saved screen display device 1 of the present invention, and FIG. 7 is the saved screen display device 1 of the present invention.
8 is a flow chart showing the operation of the screen data collecting means 3, FIG. 8 is a flow chart showing the operation of the screen data restoring means 4 of the saved screen display device 1 of the present invention, and FIG. 9 is an example of a conventional screen display device. It is a block diagram which shows a structure.

In this embodiment, as shown in FIG. 1, host screen transfer control means 5, terminal screen display control means 2, screen data collection means 3, screen data restoration means 4, host saved screen management table 61 and terminal saved. It is composed of a screen management table 71 and a saved screen data storage table 72.

The host screen transfer control means 5 runs on the host computer, and is prepared in the storage area 6 of the operating system when the screen display request including the screen identifier and the screen data are passed from the program 9 running on the host computer. The host saved screen management table 61 is searched to determine whether the screen identifier exists, and if the screen identifier exists, the screen display corresponding to the screen identifier in the host saved screen management table 61 is displayed. After the number of times is updated and the screen display request is transmitted to the terminal device, and if the screen identifier does not exist, the screen display request and the screen data are transmitted to the terminal device, and then the control is transferred to the save screen management unit 52. Then, when the control is transferred from the transfer control unit 51, the host storage screen management table 61 is searched for a new screen identification. Determining whether the region for storing the child,
If there is an area, the screen identifier and the screen display count are stored. If there is no area, the display count is small, and the stored information is deleted from the oldest storage time, and the newly acquired screen identifier and screen display count are stored. It has a management unit 52.
The host screen transfer control means 5 may be called screen data identification means.

The terminal screen display control means 2 operates on the terminal device, and when the screen display request sent from the host screen transfer control means 5 is acquired, the screen information sent at the same time includes the screen data. If so, the screen data is passed to the screen input / output unit 8 and control is transferred to the storage control unit 31 of the screen data collection unit 3, and if screen data is not included, control is transferred to the recovery control unit 41 of the screen data recovery unit 4. Transfer. The terminal screen display control means 2 may be called screen data transmission means.

The screen data collecting means 3 operates on the terminal device, and when the control is transferred from the terminal screen display control means 2, the terminal data saving screen management table 71 prepared in the storage area 7 of the terminal device is searched. It is determined whether or not there is a new area for storing the screen identifier, and if the area is empty, the screen identifier, the screen storage address, and the screen display count are stored, and control is transferred to the screen data storage unit 32. If not, the storage control unit 31 deletes the stored information from the one with a small number of display times and the oldest storage time, newly stores the screen identifier, the screen storage address, and the screen display count, and transfers control to the screen data storage unit 32. When the control is transferred from the storage control unit 31, the screen data transmitted from the host screen transfer control means 5 is acquired and stored in the storage area 7 of the terminal device.
And a screen data storage section 32 for storing in a stored screen data storage table 72 prepared therein. The screen data collection means 3 may be called screen data transfer means.

The screen data restoration means 4 operates on the terminal device. When the control is transferred from the terminal screen display control means 2, the screen data restoration means 4 acquires the screen identifier transmitted from the host screen transfer control means 5 and A recovery control unit 41 that searches the terminal storage screen management table 71, updates the screen display count of the corresponding screen based on the acquired screen identifier, and acquires the screen storage address of the screen data, and the recovery control unit. A screen data return unit 42 for acquiring the screen data stored in the saved screen data storage table 72 from the screen storage address acquired in 41 and returning the screen data to the screen input / output unit 8. .. The screen data restoration means 4 may be called a saved screen data transmission means.

The format of the host storage screen management table 61 is composed of a screen identifier composed of alphanumeric characters and the number of times of display as shown in FIG. As shown in FIG. 3, the format of the terminal save screen management table 71 is composed of the screen identifier, the storage address, and the display count. The format of the saved screen data storage table 72 is composed of the screen identifier and screen data as shown in FIG. The saved screen data storage table 72 may be referred to as screen data storage means.

Next, the operation of the host screen transfer control means 5 in the storage screen display device 1 of the present embodiment having the above-mentioned configuration will be described with reference to the flow chart shown in FIG.

5 shows the operation of the transfer control section 51 of the host screen transfer control means 5, and the host which tries to display a screen on the display type display device connected to the terminal device. When the screen display request and the screen data are passed from the program 2 on the computer, the host save screen management table 61 prepared in the storage area 6 of the operating system is searched to find the screen identifier of the screen for which the display request is made. Decide whether to do,
If the screen identifier exists, the screen display count corresponding to the screen identifier stored in the host storage screen management table 61 is updated, and a screen display request is sent to the terminal device. If the screen identifier does not exist, This is a part that transmits a screen display request and screen data to the terminal device and transfers control to the saved screen management unit 52.

5 shows the operation of the save screen management unit 52 of the host screen transfer control unit 5, and when the control is transferred from the transfer control unit 51, the host save screen management table is shown. 61 is searched to determine whether or not there is an area large enough to be newly stored in the screen identifier, and if there is a size that can be stored, the screen identifier and the screen display count are stored. If it is not, the number of times of display is small, and the stored information is deleted from the oldest stored time, and the newly acquired screen identifier and the number of times of screen display are stored.

Next, the operation of the terminal screen display control means 2 of the storage screen display device 1 of this embodiment will be described with reference to the flowchart shown in FIG.

The part shown in S3 of FIG. 6 shows the operation of the terminal screen display control means 2, and acquires the screen display request transmitted from the host screen transfer control means 5,
If the screen data is transmitted at the same time, the screen data is passed to the screen input / output unit 8 and then the control is transferred to the storage control unit 31 of the screen data collecting means 3, and if the screen data is not transmitted at the same time, the control is performed. Of the screen data restoring means 4 is transferred to the restoration control section 41.

Next, the operation of the screen data collection means 3 of the saved screen display device 1 of this embodiment will be described with reference to the flow chart shown in FIG.

The part indicated by S4 in FIG. 7 shows the operation of the storage control unit 31 of the screen data collection means 3.
When the control is transferred from the terminal screen display means 2, the terminal storage screen management table 71 prepared in the storage area 7 of the terminal device is searched to determine whether or not there is a new area for storing the screen identifier. If it is free, the screen identifier, screen storage address, and screen display count are stored and control is transferred to the screen data storage unit 32. If the area is not free, the display count is small, and the stored information is deleted from the oldest storage time. Then, the control is transferred to the screen data storage unit 32.

The part shown in S5 of FIG. 7 shows the operation of the screen data storage unit 32 of the screen data collection unit 3, and when the control is transferred from the storage control unit 31, the host screen transfer control unit 5 is shown. This is a part that acquires the screen data transmitted from the device and stores it in the saved screen data storage table 72 prepared in the storage area 7 of the terminal device.

Next, the operation of the screen data restoring means 4 of the saved screen display device 1 of this embodiment will be described with reference to the flow chart shown in FIG.

The portion shown in S6 of FIG. 8 shows the operation of the restoration control section 41 of the screen data restoration means 4,
When the control is transferred from the terminal screen display control means 2, the screen identifier transmitted from the host screen transfer control means 5 is acquired, the terminal saved screen management table 71 is searched, and the acquired screen identifier is displayed. It is a part that updates the screen display count of the corresponding screen and acquires the screen storage address of the screen data.

The portion shown in S7 of FIG. 8 shows the operation of the screen data returning unit 42 of the screen data restoring means 4, and the saved screen data is obtained from the screen storage address acquired by the restoration control unit 41. The screen data stored in the storage table 72 is acquired, and this is input to the screen input / output unit 8
It is the part to be returned to.

[0027]

As described above, according to the present invention, when the image data transmitted from the host computer to the terminal device is saved in the storage area of the terminal device, the same screen is displayed again. , The screen can be displayed by sending only the screen identifier without sending the screen data and restoring the saved screen data based on this screen identifier. You can reduce the amount of data sent,
This has the effect of reducing input / output time and improving transfer efficiency.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of a storage screen display device of the present invention.

FIG. 2 is a configuration diagram of an embodiment of a host save screen management table 61.

FIG. 3 is a configuration diagram of an embodiment of a terminal storage screen management table 71.

FIG. 4 is a configuration diagram of an embodiment of a save screen data storage table 72.

FIG. 5 is a flowchart showing a processing flow of an embodiment of the host screen transfer control means 5.

FIG. 6 is a flowchart showing a processing flow of an embodiment of the terminal screen display control means 2.

FIG. 7 is a flowchart showing a processing flow of an embodiment of the screen data collecting means 3.

FIG. 8 is a flowchart showing a processing flow of an embodiment of the screen data restoration means 4.

FIG. 9 is a block diagram showing a configuration of a conventional screen display device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Saved screen display device 2 Terminal screen display control means 3 Screen data collection means 31 Saved control section 32 Screen data storage section 4 Screen data restoration means 41 Restoration control section 42 Screen data return section 5 Host screen transfer control means 51 Transfer control section 52 Save screen management unit 6 Storage area of operating system 61 Host save screen management table 7 Storage area of terminal device 71 Terminal save screen management table 72 Save screen data storage table 8 Screen input / output unit 9 Program

Claims (3)

[Claims] 1. An image data display device for receiving an instruction signal for instructing an image display and transmitting image data corresponding to the instruction signal to a display device for displaying an image, wherein the image data is stored in advance as saved image data. Image data storage means, identification means for receiving the command signal and determining whether or not image data corresponding to the command signal is stored in the image data storage means, When it is determined that the corresponding image data is stored in the image data storage means, the image data storage means has a sending means for sending the image data corresponding to the command signal to the display device. An image data display device characterized by: 2. A storage screen display device for receiving screen data from a program operating on a host computer and displaying an image on a display type display device connected to a terminal device, and a screen data storage means for storing the screen data. Screen data identification means for determining whether or not the screen data is stored in advance as saved screen data,
When it is determined that the screen data is not stored as the saved screen data, it is determined that the screen data is not stored as the saved screen data in the same manner as screen data sending means that sends the screen data to the display type display device. Screen data transfer means for sending the screen data to the screen data storage means, and the screen data identification means stores the saved screen data when the screen data is judged to be stored as the saved screen data. A storage screen display device, comprising storage screen data transmission device for receiving from the screen data storage device and transmitting it to the display type display device. 3. A storage screen display device for receiving screen data from a program operating on a host computer and displaying an image on a display type display device connected to a terminal device, wherein the screen data and the screen data are the same from the program. Screen transfer including screen data identification information, which is information indicating the property, save screen transfer that searches the save screen transfer information storage means and indicates that the same save screen data as the screen data is stored. Stored screen transfer information retrieval means for determining the presence or absence of information, and if stored screen transfer information does not exist according to the determination, sends the screen information including screen data to the display type display device, and if present, includes screen data Screen information sending means for sending the screen information to the saved screen stored information retrieval means, and the saved screen transfer information detection means. When the searching means determines that the saved screen transfer information does not exist, the saved screen transfer information creating means for creating the saved screen transfer information of the screen data and the saved screen transfer information storage means for storing the saved screen transfer information. When the save screen transfer information retrieval means determines that the save screen transfer information does not exist, save screen data storage means for storing the screen data in the screen information as save screen data, and the save screen data storage means Saving screen storage information creating means for creating saving screen storage information indicating the sameness, saving screen storage information storing means for storing the saving screen storage information, and screen information not including the screen data from the screen information sending means When the screen data is received, the screen data identification information in the screen information corresponds to the saved screen data that is the same as the displayed screen data. A storage screen storing information retrieval means for retrieving presence screen storage information, receiving the saving screen stored information from the storage screen storing information retrieval means,
A save screen data acquisition unit that acquires the save screen data corresponding to the save screen storage information from the save screen data storage unit; and a save screen data sending unit that sends the save screen data to the display display device. Characteristic save screen display device.