JP2006243265A - Display switching program, device and method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display switching program, a device and a method by which one display section can commonly be used by two control sections while making a small change to one of the control sections and adding a display switching device without making changes to the other control section and the already completed display section. <P>SOLUTION: When the PC server function button of the display section is depressed, the display section transmits a display switching request signal for the PC function to a display switching device and a display switching device main control section transmits the display switching request signal to a composite machine. A composite machine controlling section conducts switching determination to the PC function by a display switching determination means and transmits a display switching signal for the PC function including a display switching command and a screen control starting notification command to the display switching device. A display switching device control section conducts switching of the display data line of a display data switching section in accordance with the display switching command and transmits the screen control starting notification command to the PC server. The PC server outputs display data in accordance with the screen control starting notification command. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a display switching program, an apparatus, and a method, and more particularly, to a display switching program, an apparatus, and a method when one display unit is shared by two control units.

  When one display unit is shared by two control units, the control unit display output is switched and displayed on the display unit based on the determination of the switching device for controlling switching of the control unit display output. Such a switching device is also used for switching a keyboard for a PC [Personal Computer].

For example, there is a CRT display switching device that switches CRT display signals from a plurality of image output means and displays an image on one CRT (see, for example, Patent Document 1).
JP-A-6-348219

  FIG. 6 is a block diagram showing a conventional display output switching configuration.

  The conventional display output switching configuration shown in FIG. 6 has several problems.

  (1) The display switching unit 20 can determine only hardware switching control by key input and changeover switch, and switching control by software (for example, a soft button displayed on the screen) is impossible. there were.

  (2) When software switching control is realized, it is necessary to prepare a switching I / F 23 [Interface] between the first control unit 21 and the second control unit 22, and the switching I / F It was necessary to newly add a control function of F23.

  (3) A multi-function peripheral that requires high-speed output, mass output, data storage, etc. requires various document management server devices in addition to the multi-function device main body. Each have a display unit 24, and in order to share one display unit 24, a control function of the switching I / F 23 is newly added to each control unit for (2). Therefore, it has been difficult to make the display unit 24 common to already completed products that cannot be changed significantly.

  (4) The two display units 24 increase the cost of product systemization, and there is a configuration in which a server device display is not attached to reduce costs. In that case, access to the server device is remote access. There was a problem in operability and maintainability.

  Therefore, the present invention makes two changes by adding a slight change to the other control unit and adding a display switching device without making any changes to the already completed display unit and one control unit. It is an object of the present invention to provide a display switching program, apparatus, and method that can share one display unit with a control unit.

  In order to achieve the above object, the invention of claim 1 provides a display for causing the first control means sharing the display section with the second control means to perform control processing for switching display data on the display section. In the switching program, when a display switching request signal requesting switching of display data of the display unit is received, display switching determination processing for determining display switching based on the received display switching request signal is performed. A display switching command for instructing the display switching device to switch the display data on the display unit, and a display switching command for instructing the second control unit to perform screen control. It is characterized by causing the first control means to perform transmission processing for transmitting a screen control command to the display switching device.

  According to a second aspect of the present invention, when the display data of the first control means is switched from the display data of the first control means to the display data of the second control means in the first aspect of the invention, screen control is performed for the second control means. When a screen control command for instructing start is transmitted and the display data of the second control means is switched to the display data of the first control means, the end of screen control is instructed to the second control means. A screen control command to be transmitted is transmitted.

  Further, the invention of claim 3 is connected to the display unit and is connected to the first control unit and the second control unit, and the display data of the first control unit on the display unit and the second control unit are connected to the display unit. In the display switching device for controlling switching of display data of the control means, a display data line for transmitting display data output from the first control means and a display data output from the second control means are transmitted. Display data switching means for switching display data lines; and control means for controlling switching of the display data switching means in accordance with a display switching command for instructing switching of the display data lines from the first control means. The control means transmits a screen control command for instructing the second control means to perform screen control to the second control means.

  The invention of claim 4 further comprises conversion means for converting a signal to be transmitted to the second control means into a command for the second control means in the invention of claim 2, wherein the second control means When the display data output from the control means is displayed on the display section, the input information by the touch panel method or the key input information from the display section is sent to the command for the second control means by the conversion means. And the converted command is transmitted to the second control means.

  Further, the invention of claim 5 is connected to the display unit and is connected to the first control unit and the second control unit, and the display data of the first control unit on the display unit and the second control unit are connected to the display unit. In a display switching device for controlling switching of display data of a control means, and a display switching method by a display switching program for causing the first control means to perform control processing for switching display data to the display unit, The display switching program performs display switching determination processing for determining display switching based on the received display switching request signal when a display switching request signal for requesting switching of display data of the display unit is received. A display switching command that instructs the display switching device to switch the display data, and a screen control command that instructs the second control means to perform screen control. A display data line for transmitting display data output from the first control means in accordance with the display switching command. The switching of the display data line for transmitting the display data output from the second control means is controlled, and the screen control command is transmitted to the second control means.

  According to a sixth aspect of the present invention, in the fifth aspect of the present invention, when the display switching program switches from the display data of the first control means to the display data of the second control means, the second control is performed. When a screen control command for instructing start of screen control is transmitted to the means and the display data of the second control means is switched to the display data of the first control means, the second control means A screen control command for instructing the end of the screen control is transmitted.

  The invention according to claim 7 is the invention according to claim 5, wherein the display switching device displays display data output from the second control means on the display unit when the display data is displayed on the display unit. The touch panel type input information or key input information is converted into a command for the second control means, and the converted command is transmitted to the second control means.

  According to the present invention, a single display unit can be shared by a plurality of control units, thereby reducing the cost of the product system, saving installation space, and improving the operability and maintainability of work by the user. There is an effect that it is possible to save energy in the scale and power consumption.

  In addition, according to the present invention, since it is possible to cope with introduction into an already-completed multifunction machine with slight changes such as software installation, it is possible to reduce the development man-hours.

  Embodiments of a display switching program, apparatus, and method according to the present invention will be described below in detail with reference to the accompanying drawings. As an embodiment of the present invention, a system in which a multifunction device and a PC server share a display unit included in the multifunction device will be described as an example.

  FIG. 1 is a block diagram showing an example of a system to which the present invention is applied.

  As shown in FIG. 1, a system to which the present invention is applied processes a display unit 1 having a hard button input function and a touch panel type soft button input function, and a plurality of functions (copy, print, scan, fax, etc.). And a display switching device 4 for switching display output to the display unit, and a display switching program 5 according to the present invention is installed in the multifunction device 2.

  FIG. 2 is a diagram illustrating an example of a hardware configuration of the display unit 1, the multifunction device 2, the PC server 3, and the display switching device 4.

  As shown in FIG. 2, the display unit 1 includes a touch panel unit 6 having a soft button input function by a touch panel method, a liquid crystal unit 7 for displaying a screen, and hard buttons (81, 82, 83) assigned roles according to user settings. ), “Menu”, “start”, “stop”, ten-key, etc., and fixed hardware buttons (84, 85, 86, 87).

  In FIG. 2, the hard button 81 is a button for selecting “function 1 of the multifunction device”, the hard button 82 is a button for selecting “function 2 of the multifunction device”, and the hard button 83 is “function of the PC server”. The button to be selected and the hard button 84 are buttons that display “menu”.

  As shown in FIG. 2, the display switching device 4 includes a display data switching unit 9 that switches display data on the display unit 1 (display data from the multifunction machine, display data from the PC server), and control processing of the display switching device 4. The display switching device control unit 10 for performing the display, the memory unit 11 for storing the display status, and the I / F adapter unit 12 for converting the PC server display data and the communication data.

  As shown in FIG. 2, the multifunction device 2 includes a multifunction device control unit 13 that performs control processing of the multifunction device 2. The multifunction device control unit 13 performs switching determination from the multifunction device 2 to the PC server 3 or switching determination from the PC server 3 to the multifunction device 2 by the display switching determination unit 14 which is a function of the installed display switching program 5. . The multifunction device control unit 13 is connected to the display switching device control unit 10 of the display switching device 4 via a bidirectional multifunction device communication line 15, and exchange of signals with the display switching device control unit 10 is performed by the multifunction device communication line 15. Is connected to the display data switching unit 9 of the display switching device 4 via the multifunction device display data line 16, and the display data is output to the display data switching unit 9 via the multifunction device display data line 16. Done through. The components other than the multifunction machine control unit 13 are irrelevant to the present invention and will not be described.

  As shown in FIG. 2, the PC server 3 includes a PC server control unit 17 that performs control processing of the PC server 3. The PC server control unit 17 is connected to the I / F adapter unit 12 of the display switching device 4 via the PC server communication line 18 and the RGB output line 19, and exchange of signals with the I / F adapter unit 12 is performed by PC server communication. The display data is output to the I / F adapter 12 through the line 18 and the RGB output line 19 is output. Note that the components other than the PC server control unit 17 are irrelevant to the present invention, and thus description thereof is omitted.

  Next, the functional operations of the hardware of the display unit 1, the display switching device 4, the multifunction device 2, and the PC server 3 when switching the display of the display unit 1 from the display data of the multifunction device 2 to the display data of the PC server 3 Will be described.

  Display data output from the multifunction device 2 is displayed on the display unit 1, and the user selects a “PC server function” hard button 83 in order to switch the display on the display unit 1 to the display data on the PC server 3. Press. Note that it is not necessary to limit the button for instructing switching of display data to a hard button, and the menu screen is displayed on the display unit 1 by pressing the hard button 84 for displaying “menu” and installed in the menu. A configuration in which switching of display data is instructed by pressing a soft button for selecting “PC server function” may be applied.

  When the button 83 for selecting “PC server function” is pressed, the display unit 1 transmits a display switching request signal to the PC function to the display switching device 4.

  When the display switching device main control unit 10 of the display switching device 4 receives the display switching request signal to the PC function from the display unit 1, it transmits the received display switching request signal to the multifunction device 2.

  When the multifunction device control unit 13 of the multifunction device 2 receives the display switching request signal to the PC function from the display switching device 4, the display switching determination means 14 determines whether to switch to the PC function, and starts the display switching command and screen control. A display switching signal to the PC function including the notification command is transmitted to the display switching device 4.

  When the display switching device control unit 10 of the display switching device 4 receives the display switching signal to the PC function from the multifunction device 2, the display switching device control unit 10 switches the display data switching unit 9 according to the display switching command included in the received display switching signal to the PC function. The MFP display data line 16 is switched to the RGB output line 19, and a display switching signal to the PC function including a screen control start notification command is sent to the I / F adapter unit 12, and the I / F adapter unit 12 switches to the PC function. When the display switching signal is received, the received display switching signal for the PC function is converted into a PC server command, and the converted display switching signal for the PC function is transmitted to the PC server 3.

  When the PC server control unit 17 of the PC server 3 receives the display switching signal to the PC function from the display switching device 4, the display data is switched according to the screen control start notification command included in the received display switching signal to the PC function. Transmit to device 4.

  When the display data from the PC server 3 is received, the I / F adapter unit 12 of the display switching device 4 converts the received display data of the PC server 3 and outputs the converted display data of the PC server 3 to the display unit 1. .

  When the display unit 1 receives the display data of the PC server 3 from the display switching device 4, the display unit 1 displays the input display data of the PC server 3 server.

  Next, functional operations of the display unit 1, the display switching device 4, and the hardware of the PC server 3 when the display data of the PC server 3 is displayed on the display unit 1 will be described.

  Display data output from the PC server 3 is displayed on the display unit 1, and the user presses a soft button displayed on the display unit 1.

  When the soft button is pressed, the touch panel unit 6 of the display unit 1 recognizes the coordinate information of the pressed part, and the display unit 1 transmits the coordinate information recognized by the touch panel unit 6 to the display switching device 4.

  When the display switching device main control unit 10 of the display switching device 4 receives the coordinate information from the display unit 1, the display switching device main control unit 10 sends the received coordinate information to the I / F adapter unit 12, and the I / F adapter unit 12 receives the coordinate information. The received coordinate information is converted into a command for the PC server, and the converted coordinate information is transmitted to the PC server 3.

  When receiving the coordinate information from the display switching device 4, the PC server main control unit 17 of the PC server 3 specifies a process corresponding to the received coordinate information and performs the specified process. When the process corresponding to the coordinate information is display data transmission, the display data is transmitted to the display switching device 4.

  Next, the functional operations of the hardware of the display unit 1, the display switching device 4, the multifunction device 2, and the PC server 3 when the display on the display unit 1 is switched from the display data of the PC server 3 to the display data of the multifunction device 2. Will be described.

  Display data output from the PC server 3 is displayed on the display unit 1, and the user presses a hard button 84 that displays a “menu” in order to switch the display on the display unit 1 to the display data on the MFP 2. . Note that it is not necessary to limit the button for instructing switching of display data to the hard button 84 for displaying “menu”. A configuration in which switching of display data is instructed by pressing a hard button 82 to be selected may be applied.

  When the button 84 for displaying “MENU” is pressed, the display unit 1 transmits a display switching request signal to the MFP function to the display switching device 4.

  When the display switching device main control unit 10 of the display switching device 4 receives the display switching request signal to the multifunction device function from the display unit 1, it transmits the received display switching request signal to the multifunction device 2.

  When the multifunction device control unit 13 of the multifunction device 2 receives the display switching request signal to the multifunction device function from the display switching device 4, the display switching determination unit 14 determines whether to switch to the multifunction device function, and displays the display switching command and the screen. A display switching signal to the MFP function including the control end notification command is transmitted to the display switching device 4.

  When the display switching device control unit 10 of the display switching device 4 receives the display switching signal from the multifunction device 2 to the multifunction device function, the display data switching unit according to the display switching command included in the received display switching signal to the multifunction device function. 9 is switched from the RGB output line 19 to the multifunction device display data line 16, and further, a display switching signal to the multifunction device function including a screen control end notification command is sent to the I / F adapter unit 12, and the I / F adapter unit 12 When the display switching signal to the multifunction machine function is received, the received display switching signal to the multifunction machine function is converted into a PC server command, and the converted display switching signal to the multifunction machine function is transmitted to the PC server 3.

  When the PC server control unit 17 of the PC server 3 receives the display switching signal to the multifunction device function from the display switching device 4, the display switching device according to the screen control start notification command included in the received display switching signal to the multifunction device function. The transmission of the display data to 4 is finished. Or the structure which inputs the display data from the PC server 3 side as it is and cuts it off inside the display switching apparatus 4 is also applicable.

  When the multifunction device control unit 13 of the multifunction device 2 outputs the display data, the display unit 1 displays the input display data when the display data from the multifunction device 2 is input.

  Next, it is performed by the display unit, the display switching device, the display switching program according to the present invention installed in the multifunction device, and the PC server when switching the display unit display data from the multifunction device display data to the PC server display data. The exchange of commands and the like will be described with reference to the sequence diagram shown in FIG.

  A hard button for selecting “PC server function” on the display unit is pressed (step S301), and the display unit transmits a display switching request signal to the PC function to the display switching device (step S302).

  The display switching device transfers a display switching request signal to the PC function from the display unit to the multifunction device, and when the multifunction device receives the display switching request signal to the PC function, the display switching program of the multifunction device executes the PC function. (Step S303), the display switching program of the multifunction peripheral transmits a display switching signal to the PC function including the display switching command and the screen control start notification command to the display switching device (step S304).

  The display switching device switches from the MFP display data line to the RGB output line according to the display switching command included in the display switching signal to the PC function (step S305), and the display switching device switches to the PC function including the image control start notification command. Is transmitted to the PC server (step S306).

  The PC server transmits display data to the display switching device in accordance with the screen control start notification command included in the display switching signal to the PC function (step S307).

  The display switching device transfers the display data from the PC server to the display unit, and the display unit displays the display data of the PC server (step S308).

  Next, the exchange of commands and the like performed by the display unit, the display switching device, and the PC server when displaying the display data of the PC server on the display unit will be described with reference to the sequence diagram shown in FIG.

  A soft button on the display unit is pressed (step S401), and the display unit transmits coordinate information of the pressed part to the display switching device (step S402).

  The display switching device converts the coordinate information into a command for the PC server (step S403), and the display switching device transmits the coordinate information to the PC server (step S404).

  The PC server performs processing corresponding to the coordinate information (step S405). If the processing corresponding to the coordinate information is transmission of display data, the PC server transmits the display data to the display switching device (step S405). S406).

  The display switching device transfers the display data from the PC server to the display unit, and the display unit displays the display data of the PC server (step S407).

  Next, the display on the display unit is switched from the display data of the PC server to the display data of the multifunction device, the display switching device, the display switching program according to the present invention installed in the multifunction device, and the PC server. The exchange of commands and the like will be described with reference to the sequence diagram shown in FIG.

  The hard button for displaying the “menu” on the display unit is pressed (step S501), and the display unit transmits a display switching request signal to the multifunction device function to the display switching device (step S502).

  The display switching device transfers a display switching request signal to the multifunction device function from the display unit to the multifunction device, and when the multifunction device receives the display switching request signal to the multifunction device function, the display switching program of the multifunction device The switch to the MFP function is determined (step S503), and the display switching program of the MFP transmits a display switching signal to the MFP function including the display switching command and the screen control end notification command to the display switching device ( Step S504).

  The display switching device switches from the RGB output line to the multifunction device display data line according to the display switching command included in the display switching signal to the multifunction device function (step S605), and the display switching device includes the image control end notification command. A display switching signal to the function is transmitted to the PC server (step S506).

  The PC server ends the transmission of the display data to the display switching device in accordance with the screen control end notification command included in the display switching signal to the multifunction machine function (step S507). Or the structure which inputs the display data from the PC server 3 side as it is and cuts it off inside the display switching apparatus 4 is also applicable.

  The multi-function peripheral outputs display data (step S508).

  The display unit displays the display data from the multifunction machine (step S509).

It is a block diagram which shows an example of the system to which this invention is applied. It is a figure which shows an example of the hardware constitutions of a display part, a multifunctional device, a PC server, and a display switching apparatus. Display unit for switching the display of the display unit from the display data of the multifunction device to the display data of the PC server, the display switching device, the display switching program according to the present invention installed in the multifunction device, and commands executed on the PC server It is a sequence diagram which shows exchange. FIG. 5 is a sequence diagram showing exchange of commands and the like performed by the display unit, the display switching device, and the PC server when displaying display data of the PC server on the display unit. Display unit for switching the display of the display unit from the display data of the PC server to the display data of the multifunction device, the display switching device, the display switching program according to the present invention installed in the multifunction device, and commands executed on the PC server, etc. It is a sequence diagram which shows in exchange. It is a block diagram which shows the structure of the switching of the conventional display output.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Display part 2 Multifunction machine 3 PC server 4 Display switching device 5 Display switching program 6 Touch panel part 7 Liquid crystal part 81 Hard button 82 which selects "Function 1 of multifunction machine" 82 Hard button 83 which selects "Function 2 of multifunction machine" Hard button for selecting “PC server function” 84 Hard button for displaying “Menu” 85 Hard button for “Start” 86 Hard button for “Stop” 87 Numeric keypad 9 Display data switching unit 10 Display switching device control unit 11 Memory unit DESCRIPTION OF SYMBOLS 12 I / F adapter part 13 MFP control part 14 Display switching determination means 15 MFP communication line 16 MFP display data line 17 PC server control part 18 PC server communication line 19 RGB output line 20 Display switching part 21 1st control Unit 22 Second control unit 23 Switching I / F
24 display

Claims (7)

In a display switching program for causing the first control means sharing the display section with the second control means to perform control processing for switching display data to the display section,
When a display switching request signal for requesting switching of display data of the display unit is received, display switching determination processing for determining display switching is performed on the first control means based on the received display switching request signal. Let
A display switching command for instructing switching of the display data to a display switching device that controls switching of display data of the display unit, and a screen control command for instructing screen control to the second control means. A display switching program characterized by causing the first control means to perform transmission processing to be transmitted to a display switching device. When switching from the display data of the first control means to the display data of the second control means, a screen control command for instructing the second control means to start screen control is transmitted,
When switching from the display data of the second control means to the display data of the first control means, a screen control command for instructing the end of screen control is transmitted to the second control means. The display switching program according to claim 1. Connected to the display unit and connected to the first control unit and the second control unit to control switching of display data of the first control unit and display data of the second control unit to the display unit In the display switching device to
Display data switching means for switching between a display data line for transmitting display data output from the first control means and a display data line for transmitting display data output from the second control means;
Control means for controlling switching of the display data switching means according to a display switching command for instructing switching of the display data line from the first control means,
The control means includes
A display switching device, wherein a screen control command for instructing screen control to the second control means is transmitted to the second control means. Conversion means for converting a signal to be transmitted to the second control means into a command for the second control means;
When display data output from the second control unit is displayed on the display unit, input information by the touch panel method or key input information from the display unit is input to the second control unit by the conversion unit. The display switching device according to claim 2, wherein the display switching device converts the command to a second command and transmits the converted command to the second control means. Connected to the display unit and connected to the first control unit and the second control unit to control switching of display data of the first control unit and display data of the second control unit to the display unit And a display switching method by a display switching program for causing the first control means to perform control processing for switching display data to the display unit.
The display switching program is:
When a display switching request signal for requesting switching of display data of the display unit is received, display switching determination processing for determining display switching is performed on the first control means based on the received display switching request signal. Let
A transmission process for transmitting to the display switching device a display switching command for instructing the display switching device to switch the display data and a screen control command for instructing the second control means to perform screen control; Let the first control means do,
The display switching device
In accordance with the display switching command, it controls switching between a display data line for transmitting display data output from the first control means and a display data line for transmitting display data output from the second control means. ,
The display switching method, wherein the screen control command is transmitted to the second control means. The display switching program is:
When switching from the display data of the first control means to the display data of the second control means, a screen control command for instructing the second control means to start screen control is transmitted,
When switching from the display data of the second control means to the display data of the first control means, a screen control command for instructing the end of screen control is transmitted to the second control means. The display switching method according to claim 5. The display switching device
When displaying the display data output from the second control means on the display unit,
Input information by the touch panel from the display unit, or key input information is converted into a command for the second control means,
The display switching method according to claim 5, wherein the converted command is transmitted to the second control means.

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