JP2002041203A - Screen display method, screen control device and electronic circuit board processing equipment used for it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a screen display method and its screen control device and an electronic circuit board processing equipment in which only a target working window is displayed even when multiple windows are active so that only a target job can be done without doing an extra operation by a user. SOLUTION: The specific window corresponding to a specific program is displayed on the screen display 1a after the other active windows are transferred outside a visible region when the specific program out of the other programs is newly executed in the multiple window based screen display method where the multiple programs are concurrently executed on a computer and the multiple windows corresponding to each one of the programs are concurrently displayed on screen display 1a connected to the computer. All the windows except the specific one are displayed back at their original locations on screen display 1a after the specific program window is closed in accordance with its specific program being finished.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-window screen for simultaneously executing a plurality of programs on a computer and simultaneously displaying a plurality of windows corresponding to the respective programs on one display screen connected to the computer. The present invention relates to a display method, a screen control device used for the display method, and an electronic circuit board processing device.

[0002]

2. Description of the Related Art In recent years, in personal computers, the processing speed has been remarkably increased, and multitask processing for simultaneously executing a plurality of programs on a computer has become possible. In such a multitask process, a so-called multi-window display method of simultaneously displaying a plurality of windows corresponding to respective programs on one display screen connected to a computer is employed.

[0003] In this case, the displayable area of the display screen has a predetermined fixed area. Therefore, when a large number of windows are displayed, some of the windows overlap each other and are displayed hierarchically. When the operator wants to activate the lower-level window that has become inactive, the operator inputs a selection signal to a part of the window using an input device such as a pointing device such as a keyboard or a mouse. Can display the entire area of the selected window. In this manner, a desired window is selectively activated from among a plurality of hierarchically displayed windows, and processing of a program corresponding to the window has been enabled.

[0004]

However, in the above-described screen display method, when the windows are displayed in an overlapping manner, the screen of the portion hidden by the upper layer window cannot be recognized for the lower layer window. So
It takes time and effort to find the desired window. Further, the personal computer is
Due to the increase in arithmetic processing speed, it has been frequently used as a control device for industrial equipment such as an electronic circuit board processing device. However, the display screen of industrial equipment often uses a relatively small screen size, so that the display area of the screen is narrowed, and the above problem becomes more serious.

[0005] When an industrial facility is controlled on an operation system (OS) using a personal computer capable of performing the above-described multitask processing, it is convenient but disadvantageous, and operability is reduced. There is a problem. That is, in the case of an industrial facility, a program is often operated in the background to operate the facility, and a plurality of windows corresponding to the program are displayed in many cases.

For example, in a display device provided in an electronic circuit board processing apparatus, a warning display program that informs, for example, an inspection cover opening abnormality or the like may be operated below a window for inputting mounting control values. In such a case, the window of the program running on the lower layer is interrupted and displayed as a warning display window on the top layer depending on the condition of the equipment (in the above example, the inspection lid was opened carelessly). A window for inputting an important mounting control value during work may become invisible, and the work may be interrupted. Further, an operation for the recovery is required, and complicated and extra work is required. As a result, there is a problem that an erroneous input is likely to occur.

The present invention has been made in view of the above circumstances. Even when there are many windows, only the target work window is displayed, so that the worker can perform the desired work without any extra work. It is an object of the present invention to provide a screen display method capable of performing only the above, a screen control device used therefor, and an electronic circuit board processing device, and to improve operability.

[0008]

According to a first aspect of the present invention, there is provided a screen display method for simultaneously executing a plurality of programs on a computer and executing a plurality of programs corresponding to the respective programs. In a multi-window screen display method for simultaneously displaying windows on one display screen connected to the computer, a window corresponding to a program to be used is always displayed on a full screen so that a window corresponding to another program is not displayed. In a display state, display of information on the other program is prohibited.

In this screen display method, in the multi-window screen display method, a window corresponding to a program to be used is always displayed on a full screen, so that a window corresponding to another program is hidden.
By prohibiting the display of information on other programs, the operator can perform only the intended work without performing any extra work, thereby improving operability.

According to a second aspect of the present invention, there is provided a screen display method for simultaneously executing a plurality of programs on a computer and simultaneously displaying a plurality of windows corresponding to the programs on one display screen connected to the computer. In the window-type screen display method, when newly executing one specific program of the plurality of programs, all existing windows are moved out of a visible range, and then a specification corresponding to the specific program is performed. Displaying a window on the one display screen, closing the specific window with the end of the specific program, and then displaying all windows other than the specific window at the original position of the one display screen. Features.

[0011] In this screen display method, when a specific program is newly executed, all existing windows are moved out of the visible range. After that, one specific window corresponding to this specific program is displayed on the display screen, and after this specific window is closed with the end of the specific program, all windows moved out of the visible range are displayed again It is displayed in the original position on the screen. Therefore, during execution of the specific program, display of another window on the display screen due to operation of another program is prohibited.

According to a third aspect of the present invention, there is provided a screen display method, wherein a plurality of programs are simultaneously executed on a computer, and a plurality of windows corresponding to the respective programs are simultaneously displayed on one display screen connected to the computer. In the window-type screen display method, when a specific screen control signal is input to the computer via an input device, all the existing windows are moved out of the visible range, and then moved to the visible range. A specific window is displayed on the one display screen.

In this screen display method, when a specific screen control signal is input to the computer via the input device, all the existing windows are moved out of the visible range and then moved to the visible range. Only a specific window is displayed on the display screen. Thus, by inputting a specific screen control signal, a required window can be displayed, and the operation can be performed by switching windows according to purpose.

According to a fourth aspect of the present invention, when the specific program is newly executed, all windows excluding windows not to be moved out of windows already existing on the display screen are out of the visible range. After moving to
After the specific window is displayed and the specific window is closed with the end of the specific program, all windows other than the specific window are displayed at the original position on the one display screen.

In this screen display method, when a specific program is newly executed, all the windows existing on the display screen, except for the window not to be moved, are moved out of the visible range. Therefore, similarly to the operation of the first aspect, during execution of the specific program, display of another window on the display screen due to operation of another program is prohibited. In addition to this, by excluding windows that display necessary information from being moved,
The required windows can always be left on the display screen.

According to a fifth aspect of the present invention, there is provided a screen display method for simultaneously executing a plurality of programs on a computer and simultaneously displaying a plurality of windows corresponding to the respective programs on one display screen connected to the computer. In the window-type screen display method, when a specific screen control signal is input to the computer via an input device, all windows except for windows that are not to be moved among windows already existing on the display screen are displayed. Is moved out of the visible range, and then a specific window within the visible range is displayed on the one display screen.

In this screen display method, when a specific screen control signal is input to the computer via the input device, all the windows except for the windows not to be moved are moved out of the visible range and are moved within the visible range. A window is displayed on the display screen. Therefore, similar to the operation of the third aspect, by inputting a specific screen control signal, a required window can be displayed, and the operation can be performed by switching windows according to purpose. In addition to this, by excluding the window displaying the necessary information from the movement target, the necessary window can always be left on the display screen.

According to a sixth aspect of the present invention, there is provided a screen control device of a multi-window type for simultaneously displaying a plurality of windows corresponding to a plurality of programs simultaneously executed on a computer on one display screen. Window information storage means for storing the window, window enumeration means for enumerating all the windows existing on the display screen, window position changing means for changing the window from the visible range to a range outside the visible range, and determining the information of the window A window display determining unit for determining whether or not to display the window; and a screen output unit for displaying the window determined to be displayed by the window display determining unit.

In this screen control device, the specific window is stored by the window information storage means, and after all the windows are moved out of the visible range by the window position changing means, the display of the specific window is determined by the window display availability determination means. Is done. As a result, only the specific window is displayed on the display screen by the screen output means, and during execution of the specific program, display of another window on the display screen due to operation of another program becomes impossible ( That is, it is prohibited).

According to a seventh aspect of the present invention, there is provided a screen control device for storing a window to be moved which determines whether or not the window enumerated by the window enumerator is a window to be moved, and a window not to be moved. And a non-moving window storage unit.

In this screen control device, whether or not a window is a moving object is determined by the moving window determining means, and is stored by the non-moving window storing means. This makes it possible to move the windows excluding the windows not to be moved out of the visible range, so that the necessary windows can always be left on the display screen.

An electronic circuit board processing apparatus according to claim 8 is
7. An electronic circuit board processing apparatus for manufacturing an electronic circuit board, wherein control information of the electronic circuit board processing machine is stored in the electronic circuit board processing apparatus.
Alternatively, the image is displayed by the screen control device according to claim 7.

In this electronic circuit board processing apparatus, the control information of the electronic circuit board processing machine is displayed by the screen control device according to the sixth or seventh aspect, so that the control information can be specified even if it has only a narrow display area. Only the window is displayed on the display screen, and during execution of the specific program, display of another window on the display screen due to operation of another program becomes impossible.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a screen display method, a screen control device and an electronic circuit board processing apparatus according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a block diagram of a screen control device for implementing the screen display methods of the first and second embodiments according to the present invention.

As shown in FIG. 1, the screen control device 13
An output device 1 such as a CRT or a liquid crystal display and an input device 15 such as a keyboard and a mouse are connected. The screen control device 13 includes a window information storage unit 3 that stores the position and size of a window existing on the display screen 1a of the output device 1, and a window enumeration that enumerates all windows existing on the screen. Means 5, window position changing means 7 for changing the position of the window, window display availability determining means 9 for determining whether the position of the window is within the visible range and determining whether or not to display the window; There is provided a screen output unit 11 for displaying a window determined to be displayed on the display screen 1a by the display availability determination unit 9.

The screen control device is, for example, shown in FIGS.
Can be mounted on the electronic component mounting apparatus shown in FIG. FIG.
FIG. 3 is a perspective view showing the appearance of the entire electronic component mounting apparatus.
FIG. 2 is a view showing a schematic configuration of a component mounting mechanism of the electronic component mounting apparatus. As shown in FIG.
Reference numeral 0 denotes a component supply unit 80 that supplies electronic components, a rotary head 81 that sucks electronic components at a predetermined component supply position of the component supply unit 80 and mounts them on a circuit board, and an XY table 82 that positions the circuit board. After the circuit board supplied from the loader unit 83 is placed on the XY table 82 and electronic components are mounted by the rotary head 81, the circuit board on which the component mounting is completed is moved to the XY table 8
2 to the unloader section 84 from above. The main body of the electronic component mounting apparatus 100 is equipped with an output device 1 for displaying a screen and an input device 15 such as a keyboard.

As shown in FIG. 3, the component supply unit 80 includes a plurality of component supply units 85 each containing a large number of electronic components arranged in parallel in a direction perpendicular to the plane of the paper, and moves in the parallel direction to a predetermined position. A desired electronic component is supplied to the component supply position. The XY table 82 is movably provided between the loader unit 83 and the unloader unit 84, moves to a position connected to the substrate transport path of the loader unit 83, receives the circuit board before mounting components, and removes the circuit board. It is fixed and moved to the component mounting position of the rotary head 81. Then, the movement to the circuit board is repeated according to the mounting position of each electronic component, and when the mounting of the components is completed, the electronic component moves to a position connected to the unloader section 84 and the circuit board is sent out to the unloader section 84.

The rotary head 81 includes a plurality of mounting heads 86 for sucking electronic components, a rotary frame 87 that is rotatably driven while supporting the mounting head 86 on its peripheral surface so as to be vertically movable.
An intermittent rotation driving device (not shown) that drives the rotation frame 87 by index rotation is provided. The mounting head 86 continuously rotates from the component supply position of the component supply unit 80 to the component mounting position on the opposite side by the rotation of the rotary frame 87, and moves down at the component supply position of the component supply unit 80. Then, the electronic component is mounted on the circuit board by being moved downward at the component mounting position of the rotary head 81.

Next, the first embodiment of the present invention using the screen control device 13 which can be mounted on the above-described electronic circuit board processing apparatus or the like.
The operation of the screen display method according to the embodiment will be described. FIG. 4 is a flowchart showing the operation procedure of the first embodiment.
In this description, for the sake of simplicity, a case will be described in which when there are two windows A and B as shown in FIG. 5, another window for work is created.

First, in step 11 (hereinafter abbreviated as S11), the window enumeration means 5 enumerates all currently existing windows. In S12, the positions of the enumerated windows are acquired from the window information storage unit 3. In S13, the position of the window acquired in S12 is changed by a fixed amount by the window position changing means 7, and the position after the change is stored in the window information storage means 3. By setting the amount of change to be at least twice the display size of the screen, it is possible to prevent the window from being displayed on the screen after the position is changed.

At S14, window display availability determination means 9
Is checked whether the position of the window after the change acquired from the window information storage means 3 is within the visible range. If it is within the visible range, in step S15, the screen output unit 11
Output that window to the screen. S12 to S
15 is repeated for the number of windows listed in S11. At this time, the positional relationship of the windows is as shown in FIG. 6, and since the windows A and B have been moved out of the visible range, they are not displayed on the display screen 1a.

Thereafter, in step S16, a target specific window C is created. The positional relationship of the specific window C is as shown in FIG. At this time, since there is no overlap with the other windows A and B, unnecessary work such as searching for the specific window C is unnecessary. Also, even if windows A and B create their child window B ',
As shown in FIG. 8, since it is outside the visible range, it does not overlap with the specific window C. That is, during the execution of the specific program, the display of another window on the display screen due to the operation of the other program is disabled (prohibited).

When the intended work is completed, in S17, the window enumeration means 5 enumerates all the windows which are presently present again. In S18, the positions of the listed windows are acquired from the window information storage unit 3.
In S19, the position of the window acquired in S18 is changed by a fixed amount by the window position changing means 7, and the position after the change is stored in the window information storage means 3.

The change amount can be returned to the original position by inverting the sign of the change amount of the window position movement performed in S13. In S20, the window display availability determining means 9 causes the window information storage
Checks whether the position of the changed window obtained from is within the visible range. If it is within the visible range, the window is output to the screen by the screen output means 21 in S21. S18 to S21 are performed for the number of windows listed in S17. Then, in S22, the specific window C created in S16 is ended. As a result, the positional relationship between the windows returns to the state before the specific window C was created (the state in FIG. 5).

According to the screen display method of this embodiment, when the specific window C is newly executed, all the existing windows A and B are moved out of the visible range. Thereafter, one specific window C corresponding to the specific program is displayed on the display screen 1a, and after the specific window C is closed with the end of the specific program,
All windows A and B that have been moved out of view
Is displayed again at the original position on the display screen 1a. Therefore,
During execution of the specific program, display of other windows A and B on the display screen 1a due to operation of the other program can be prohibited.

Next, the operation of the screen display method according to the second embodiment of the present invention will be described. FIG. 9 is a flowchart showing the operation procedure of the second embodiment. In the screen display method according to this embodiment, the window is moved in the negative direction of the X coordinate by the specific screen control signal X1, and the specific screen control signal X1
The description will be made assuming that the window is moved in the positive direction of the X coordinate in 2.

First, in S31, an input from the input device 15 such as a keyboard or a mouse is waited. Only when a specific screen control signal is input, the process proceeds to S32. In S32, the window enumeration means 5 enumerates all currently existing windows. In S33, the positions of the listed windows are acquired from the window information storage unit 3.

In S34, the position of the window acquired in S33 is changed by the window position changing means 7 by a fixed amount. The amount of change is a specific screen control such as a negative X-coordinate direction when a specific screen control signal X1 is input, and a positive X-coordinate direction when a specific screen control signal X2 is input. Change according to the type of signal.

In S35, window display availability determination means 9
It is checked whether the position of the window after the change obtained from the window information storage means 3 is within the visible range. If it is within the visible range, the window is output to the screen by the screen output means 11 in S36. S33 to S3
6 is performed for the number of windows listed in S32.

When these operations are completed, the process returns to S31. Now, assuming that a specific screen control signal X1 is input in the case of FIG. 5, when the screen display method of the present embodiment is used, the position of the window is changed as shown in FIG.
Window A initially displayed on display screen 1a
And the window B is moved out of the visible range and is not visible on the display screen 1a.

Here, if a specific screen control signal X2 is input after the specific window C is created (see FIG. 8),
As shown in FIG. 10, the window position is changed, the specific window C moves out of the visible range and disappears from the display screen 1a, and the windows A and B are displayed on the display screen 1a.

Here, when a specific screen control signal X1 is input, the window position is changed as shown in FIG. Thus, by inputting a specific screen control signal, it is possible to switch to the display screen 1a on which a required window is displayed.

According to the screen display method of this embodiment, when a specific screen control signal is input to the computer via the input device 15, all the existing windows are moved out of the visible range. Only the specific window C within the visible range is displayed on the display screen 1a. Thus, by inputting a specific screen control signal, a required window can be displayed, and the operation can be performed by switching windows according to purpose.

Next, the operation of the screen display method according to the third embodiment of the present invention will be described. FIG. 11 is a third view according to the present invention.
FIG. 12 is a block diagram of a screen control device that performs the screen display method according to the fourth embodiment, and FIG. 12 is a flowchart illustrating an operation procedure according to the third embodiment. The same constituent blocks as those shown in FIG. 1 are denoted by the same reference numerals, and redundant description will be omitted.

As shown in FIG. 11, the screen control device 25
Includes, in addition to the configuration of the screen control device 13 shown in FIG. 1, a non-movable window storage unit 21 for storing windows not to be moved, and a non-movable window storage unit 21
And a moving target window determining unit 23 that determines whether the window enumerated by the window enumerating unit 5 is a moving target window.

Here, for the sake of simplicity, a case will be described in which, when there are two windows as shown in FIG. 10, another specific window C for work is created. Here, since window A always displays necessary information, it is assumed that window A is not a moving target.

First, in S41, the window enumeration means 5 enumerates all currently existing windows.
In S42, it is determined whether the enumerated window is a window to be moved using the window storage unit 21 not to be moved. If it is determined that the window is not to be moved, the processing from S43 to S46 is skipped.

In S43, the positions of the windows listed in S41 are obtained from the window information storage means 3. S4
At 4, the window position acquired at S43 is changed by the window position changing means 7 by a fixed amount. By setting the change amount to twice or more the display size of the screen, it is possible to prevent the window from being displayed on the screen even after the position is changed.

At S45, window display availability determination means 9
To check whether the position of the window after the change acquired from the window information storage means 3 is within the visible range. If it is within the visible range, the window is output to the screen by the screen output means 11 in S46. S42 to S4
6 is repeated for the number of windows listed in S1.

After these operations, a target window is created in S47. When the intended work is completed, S48
Then, the window enumeration means 5 again enumerates all windows that are currently present. In S49, using the moving target window determining means 23, it is determined whether the listed window is a moving target window. If it is determined that the window is not to be moved, steps S50 to S53
Is skipped.

In S50, the positions of the windows listed in S48 are acquired from the window information storage means 3. S5
In step 1, the position of the window acquired in S50 is changed by the window position changing means 7 by a fixed amount. This change amount is S
By reversing the sign of the change amount of the window position movement performed at 44, it is possible to return to the original position. In S52, the window display availability determination means 9
Checks whether the position of the window after the change is within the visible range. If it is within the visible range, the window is output to the screen by the screen output means 11 in S53. S49 to S53 are performed for the number of windows listed in S48. Then, in S54, the window created in S47 is ended.

According to the screen display method of this embodiment, when a specific program is newly executed, all the windows A and B existing on the display screen 1a except for the window A not to be moved are displayed. B is moved out of the visible range. Therefore, similarly to the operation of the first embodiment, during execution of the program of the specific window C, display of another window B on the display screen 1a due to operation of another program is prohibited. In addition to this,
By excluding the window A displaying the required information from the movement target, the required window A can always be left on the display screen 1a.

Next, the operation of the screen display method according to the fourth embodiment of the present invention will be described. FIG. 13 is a flowchart showing the operation procedure of the fourth embodiment. In the screen display method according to this embodiment, the description is given on the assumption that the window is moved in the negative direction of the X coordinate by the specific screen control signal X1, and the window is moved in the positive direction of the X coordinate by the specific screen control signal X2. Do.

First, in S61, an input from a specific input device 15, such as a keyboard or a mouse, is waited for. Only when there is a specific input, the process proceeds to S62. In S62, the window enumeration means 5 enumerates all currently existing windows.

In step S63, it is determined whether or not the listed window is a window not to be relocated by using the window storage unit 21 not to be relocated. If it is determined that the window is not to be moved, the processing from S64 to S67 is skipped.

In S64, the positions of the windows listed in S62 are obtained from the window information storage means 3. S
In 65, the position of the window acquired in S64 is changed by the window position changing means 7 by a fixed amount. This change amount changes depending on the type of a specific screen control signal. At S6,
The window display availability determining unit 9 checks whether the position of the window after the change is within the visible range of the operator. If it is within the visible range, in S67, the screen output unit 11
Output that window to the screen. S63 to S
Step 67 is performed for the number of windows listed in S62. After these operations, the process returns to S61.

According to the screen display method of this embodiment, when a specific screen control signal is input to the computer via the input device 15, all the windows B except for the window A not to be moved are out of the visible range. And the specific window C within the visible range is displayed on the display screen. Therefore, similarly to the operation of the second embodiment, by inputting a specific screen control signal, a necessary window can be displayed, and the operation can be performed by switching windows according to purpose. In addition, by excluding the window A displaying the necessary information from the movement target, the necessary window A can be always left on the display screen.

[0058]

As described in detail above, according to the screen display method of the present invention, when a specific program is newly executed, all the existing windows are moved out of the visible range. Since one specific window corresponding to this specific program is displayed on the display screen, and after closing this specific window, all windows that have been moved out of the visible range are displayed at the original position on the display screen, During execution of the specific program, display on the display screen due to operation of another program can be prohibited. As a result, during an important input operation using the specific window, interrupt processing of another program during processing of the specific program due to the display of another window can be prohibited, and only the specific program can be processed with priority. Become.

According to the screen control device of the present invention, the specific window is stored by the window information storage means, and after all the windows have been moved out of the visible range by the window position changing means, the specific information is specified by the window display availability determining means. The display of the window is determined, and this specific window is displayed on the display screen by the screen output means. Therefore, during execution of the specific program, display of another window on the display screen due to operation of another program can be prohibited.

According to the electronic circuit board processing apparatus of the present invention, the control information of the electronic circuit board processing machine is displayed by the screen control device by the screen control device. Is displayed on the display screen, and during execution of the specific program, display of another window on the display screen due to operation of another program becomes impossible.

[Brief description of the drawings]

FIG. 1 is a block diagram of a screen control device that executes a screen display method according to first and second embodiments according to the present invention.

FIG. 2 is a perspective view illustrating an appearance of the entire electronic component mounting apparatus.

FIG. 3 is a diagram illustrating a schematic configuration of a component mounting mechanism of the electronic component mounting apparatus.

FIG. 4 is a flowchart illustrating an operation procedure of the first embodiment.

FIG. 5 is an explanatory diagram of a display screen on which a window is displayed in an overlapped manner.

FIG. 6 is an explanatory diagram of a display screen in which a window is uniformly repositioned in a negative direction of an X coordinate.

FIG. 7 is an explanatory diagram of a display screen on which a specific window has been created.

FIG. 8 is an explanatory diagram showing a change in window information outside the visible range.

FIG. 9 is a flowchart illustrating an operation procedure according to the second embodiment.

FIG. 10 is an explanatory diagram of a display screen in which a window is uniformly repositioned in a positive direction of an X coordinate.

FIG. 11 is a block diagram of a screen control device that performs a screen display method according to the third and fourth embodiments according to the present invention.

FIG. 12 is a flowchart illustrating an operation procedure according to the third embodiment.

FIG. 13 is a flowchart illustrating an operation procedure according to the fourth embodiment.

[Explanation of symbols]

 1a display screen 3 window information storage means 5 window enumeration means 7 window position change means 9 window display availability determination means 11 screen output means 13, 25 screen control device 15 input device 21 non-movable window storage means 23 movement target window determination means 100 Electronic component mounting equipment (electronic circuit board processing equipment) A, B, C Window

Claims (8)

[Claims] 1. A multi-window screen display method for simultaneously executing a plurality of programs on a computer and simultaneously displaying a plurality of windows corresponding to the respective programs on one display screen connected to the computer. A screen display method, wherein a window corresponding to a program to be used is always displayed on a full screen so that a window corresponding to another program is in a non-display state and display of information on the other program is prohibited. 2. When newly executing one specific program of the plurality of programs, after moving all existing windows out of a visible range, a specific window corresponding to the specific program is changed. Displaying on the one display screen, closing the specific window with the end of the specific program, and then displaying all windows other than the specific window at the original position of the one display screen. 2. The screen display method according to claim 1, wherein: 3. When a specific screen control signal is input to the computer via an input device, all the existing windows are moved out of the visible range, and then the specific windows in the visible range are moved. The screen display method according to claim 1, wherein the display is performed on the one display screen. 4. When newly executing the specific program, after all windows except for windows not to be moved among windows already existing on the display screen are moved out of a visible range, the specific program is executed. 3. A window is displayed, and after the specific window is closed with the end of the specific program, all windows other than the specific window are displayed at an original position on the one display screen. Screen display method described. 5. When a specific screen control signal is input to the computer via an input device, all windows excluding windows not to be moved among windows already existing on the display screen are in a visible range. 2. The screen display method according to claim 1, further comprising, after moving outside, displaying a specific window within a visible range on the one display screen. 6. A multi-window screen control device for simultaneously displaying, on a single display screen, a plurality of windows corresponding to a plurality of programs executed simultaneously on a computer, a window information storage means for storing window information. A window enumeration means for enumerating all windows existing on the display screen; a window position changing means for changing a window from a visible range to a range outside the visible range; and determining whether the window can be displayed by judging window information. A screen control device comprising: a window display determination unit that determines the window display; and a screen output unit that displays the window determined to be displayed by the window display determination unit. 7. A moving target window determining means for determining whether a window enumerated by the window enumerating means is a moving target window, and a non-moving target window storing means for storing a window not to be moved. 7. The screen control device according to claim 6, comprising: 8. An electronic circuit board processing apparatus for manufacturing an electronic circuit board, wherein control information of the electronic circuit board processing machine is displayed by the screen control apparatus according to claim 6 or 7. Electronic circuit board processing apparatus.