JP2014225065A - Cooperative display system, display method, program and terminal device configuring cooperative display system - Google Patents

Cooperative display system, display method, program and terminal device configuring cooperative display system Download PDF

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JP2014225065A
JP2014225065A JP2013102901A JP2013102901A JP2014225065A JP 2014225065 A JP2014225065 A JP 2014225065A JP 2013102901 A JP2013102901 A JP 2013102901A JP 2013102901 A JP2013102901 A JP 2013102901A JP 2014225065 A JP2014225065 A JP 2014225065A
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terminal device
display
application program
multi
display screen
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JP6124678B2 (en
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忠臣 堤
Tatatomi Tsutsumi
忠臣 堤
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キヤノン株式会社
Canon Inc
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Abstract

A cooperative display system capable of restricting transition to a screen lock state when using a multi-display screen is provided.
A plurality of terminal devices (101, etc.) equipped with a display (display device 301) that shifts to a screen lock state when a predetermined condition is satisfied are connected, and the displays of each terminal device are arranged in tiles. Thus, a multi-display screen is configured. When any of the terminal devices (101, 102, 103, 104) starts an application program that uses a multi-display screen, the terminal device and the identification information of the application program addressed to another terminal device from this terminal device At the same time, by transmitting the fact that the application program has been activated, the other terminal devices hold the transition to the screen lock state in their own devices regardless of whether or not a predetermined condition is satisfied.
[Selection] Figure 3

Description

  The present invention relates to a linked display system, a display method, a program, and a terminal device constituting a linked display system that configure a so-called multi-display screen by arranging a plurality of terminal devices side by side.

  In meetings of companies, schools, etc., there are increasing cases of using paper processing and meeting efficiency by using information processing terminals such as tablet terminals and portable information terminals for sharing materials and information. However, the display screen (display) of the terminal device is as small as about 7 inches to 10 inches. For this reason, for example, when a content such as a design drawing or a map is displayed on the screen, it is difficult to see a fine part. Therefore, there is a problem that visibility is not good.

  As a conventional technique for solving such a problem, there is a display system disclosed in Patent Document 1. In this display system, a plurality of devices (for example, tablet terminals) are arranged in a tile shape, and display control is performed as if each screen of each tablet terminal is a single screen as a whole. That is, a so-called multi-display screen is configured by arranging the display units of a plurality of tablet terminals side by side.

Japanese Patent Laid-Open No. 11-134087

  In the tablet terminal, from the viewpoint of security measures, when there is no operation input from the user for a certain period of time, the so-called screen lock state (screen lock is activated, which restricts display display, acceptance of operation input from the user, etc.) State). In such a tablet terminal, a password for releasing the screen lock state can be set in advance. In this case, a screen requesting input of a password is displayed on the display in accordance with the start of the screen lock operation.

When a single document is being browsed by a plurality of devices and one of the devices shifts to the screen lock state, an operation for releasing the screen lock state is performed individually each time. Therefore, the progress of the meeting is hindered and the convenience for the user may be reduced. In order to avoid the screen lock during the meeting, there is a method in which the user cancels the screen lock setting before the meeting. However, it is difficult to recommend from the viewpoint of security measures, such as the possibility of forgetting to reset the screen lock after the meeting.
In the display system disclosed in Patent Document 1, it is not considered that some tablet terminals constituting the multi-display screen shift to the screen lock state while browsing one document. It was.

  The main object of the present invention is to limit the transition to the screen lock state when a multi-display screen is used in a terminal device having a screen lock function.

  The cooperative display system of the present invention connects a plurality of terminal devices each having a display that shifts to a state in which at least one function of displaying information and accepting operation input is restricted by satisfying a predetermined condition, and each terminal device Are arranged in a predetermined arrangement to form a multi-display screen, wherein each of the plurality of terminal devices can start an application program that uses the multi-display screen. Monitoring means for monitoring the operating state of the device, and control means for holding the transition in its own device regardless of whether the predetermined condition is satisfied or not when any other terminal device is activating the application program; It is characterized by having.

  According to the present invention, when a multi-display screen is used in a terminal device having a screen lock function, the transition to the screen lock state can be restricted.

The figure which shows the structural example of the whole system. The block diagram which shows the hardware structural example of a terminal device. The block diagram which shows the function structural example which a terminal device has. The flowchart which shows the example of a process sequence until the connection operation | movement of an application program is started. The flowchart which shows the example of a process sequence when another terminal device receives identification information. The flowchart which shows the example of a process sequence when a screen lock starts operation | movement during connection operation | movement. The figure which shows an example of an application management table. The flowchart which shows the example of a process sequence when a one part terminal device cancels | releases a network connection during connection operation | movement. The figure for demonstrating the icon showing that the action | operation start of a screen lock is withheld. The figure for demonstrating the confirmation screen for selecting whether to start an operation | movement of a screen lock. The example in the case of displaying the confirmation screen for selecting whether or not to start operation of a screen lock on other terminal devices.

Hereinafter, embodiments will be described with reference to the drawings.
In the following description, an example is described in which a multi-display screen is configured by arranging the displays of each of a plurality of terminal devices (for example, tablet terminals) connected to each other via a network. Further, a case will be described as an example where the same multi-display application program can be used in each terminal device to use the multi-display function.

[First Embodiment]
FIG. 1 is a diagram illustrating a configuration example of the entire system of the present embodiment. The cooperative display system S illustrated in FIG. 1 includes a plurality of terminal devices (terminal devices 101, 102, 103, and 104). Each of the terminal devices 101, 102, 103, and 104 is, for example, a tablet terminal or a portable information terminal (for example, a smartphone). Each terminal device is connected so as to be able to exchange information with each other via the network 105. The network 105 is realized by, for example, a wireless or wired LAN (Local Area Network). In addition, the terminal device which comprises the cooperation display system S should just be at least 2 or more units | sets. The terminal devices 101, 102, 103, and 104 have the same functions. Hereinafter, the terminal device 101 will be described as an example, and the description will proceed.

FIG. 2 is a block diagram illustrating a hardware configuration example of the terminal device 101. The terminal device 101 includes a display device 301, an input device 302, a main storage device 303, an auxiliary storage device 304, a central processing unit 305, a network I / F 306, and a bus 307.
The display device 301 is a liquid crystal display, for example, and displays various types of information such as contents and user interfaces. The input device 302 is an input device such as a touch panel or a keyboard, and accepts various operations from the user. The main storage device 303 is, for example, a RAM, and temporarily stores data acquired from the outside, values during program operation, generated output data, and the like. The auxiliary storage device 304 is, for example, a hard disk, and stores various application programs (hereinafter referred to as applications), data, and the like that are activated on the terminal device 101. The central processing unit 305 is a CPU, for example, and controls the entire terminal device 101. A network I / F 306 mediates exchange of information between the terminal device 101 and an external device. The bus 307 mediates information transmission between the devices.

FIG. 3 is a block diagram illustrating a functional configuration example of the terminal device 101. The application information management unit 401 manages information for uniquely identifying an application that is operating in conjunction, for example, information including an application name and an identifier. Thereby, the operating state of the application can be managed.
Here, the connection operation is an operation when the application uses the multi-display function. Note that the applications that are operating in a coupled manner include applications that display content on the screen of the display device 301 and those that are operating in the background.

The application display state monitoring unit 402 monitors the display status of various types of information displayed on the screen of the display device 301 by a connected application. The screen lock state monitoring unit 403 monitors the function restriction of the display device 301, that is, the start or stop of the operation of the screen lock, and displays a message indicating the situation on the screen as necessary. The network connection status monitoring unit 404 monitors the status of the network I / F 306 to determine whether the terminal device 101 starts to be connected to or disconnected from the network 105. The screen lock confirmation unit 405 confirms the start of the screen lock operation with respect to the user. The screen lock control unit 406 controls start or stop of the screen lock operation.
Note that screen lock refers to shifting to a state in which at least one of the functions of displaying information on the display device 301 and accepting operation input is restricted, for example, when a predetermined condition is satisfied (screen lock operation start time described later). Shall.

The operation command transmission / reception unit 407 transmits an operation command from the user received by the input device 302 to another terminal device (102, 103, 104) or receives an operation command transmitted from another terminal device.
The shared information transmission / reception unit 408 transmits or receives information shared with other terminal devices (102, 103, 104). For example, during a connection operation, an operation command received from a user by a certain terminal device, information indicating a screen display status, and the like are transmitted to other terminals by the operation command transmission / reception unit 407 and the shared information transmission / reception unit 408 Is done. The application control unit 409 controls activation or termination of various applications.

FIG. 4 is a flowchart illustrating an example of a processing procedure until an application connection operation is started in the terminal device 101. Each terminal device is connected to the network 105 and is in a state where an application can use the multi-display function. Further, the description will be given by taking as an example a case where a user starts an application that performs a linked operation.
The application control unit 409 activates a designated application (an application that performs a linked operation) upon reception of an operation input from the user (S501).
The application information management unit 401 transmits identification information including the name of the activated application and the ID of the terminal device 101 to each of the other terminal devices (102, 103, 104) via the network 105 (S502).
Note that the identification information is transmitted to each of the other terminal devices (102, 103, 104) for the application that has been activated.

The application information management unit 401 records the transmitted identification information and the identification information received from another terminal device (102, 103, 104) in an application management table 800 (FIG. 7) described later (S503). The application management table 800 is a table for associating and managing a terminal device that has started an application that operates in conjunction with the application. The application management table 800 is stored in the auxiliary storage device 304 of each terminal device. Details will be described later.
The application control unit 409 starts a connection operation with other terminal devices (102, 103, 104) (S504).

FIG. 5 is a flowchart illustrating an example of a processing procedure when another terminal apparatus receives the identification information in the process of S502. The description will be made by taking the terminal device 102 as an example.
The application information management unit of the terminal device 102 receives the identification information transmitted from the terminal device 101 (S601). The application control unit of the terminal device 102 activates the same application as the application activated on the terminal device 101 based on the received identification information (S602). For example, if the application activated on the terminal device 101 is a document creation application, the document creation application is also activated on the terminal device 102 based on the identification information.
The application information management unit of the terminal device 102 records the received identification information in the application management table of the terminal device 102 (S603). In addition to the terminal device 101, the application control unit of the terminal device 102 starts a connection operation with the terminal devices 103 and 104 that have activated the application based on the identification information (S604).

FIG. 6 is a flowchart showing an example of a processing procedure when the screen lock is activated during the connecting operation. As an example, the terminal device 101 will be described as an example.
The screen lock control unit 406 measures an elapsed time from the last operation input by the user by a timer (not shown). It is determined from the measurement result whether the screen lock operation start time has elapsed (S701). The screen lock operation start time is an arbitrarily set time from when the last operation input by the user is received until the screen lock operation is started. When the screen lock operation start time has elapsed, it is determined that it is time to start the screen lock operation (S701: yes).
The application display state monitoring unit 402 acquires information for specifying the application activated on the terminal device 101 at the timing of starting the screen lock operation (S701: yes) (S702). The information for specifying the application is, for example, an application name or an identifier.
The screen lock control unit 406 determines whether the application running on the terminal device 101 is recorded in the application management table 800 (S703). That is, it is determined whether or not the application running on the terminal device 101 is an application that is performing a linked operation. This determination is made with reference to the application management table 800. Hereinafter, an example of the application management table 800 will be described with reference to FIG.

FIG. 7 is a diagram illustrating an example of the application management table 800. The application management table 800 shown in FIG. 7 includes a “terminal device ID” item for specifying a terminal device and an “application name” item for specifying the name of the application. From the application management table 800 shown in FIG. 7, it can be read that “design application” and “document application” are being connected in “terminal device A”. Further, it can be read that “design application” and “document application” are being connected in “terminal device B”. It can be read that “design application” is being connected in “terminal device C”. It can be read that “design application” is being connected in “terminal device D”. The terminated application is deleted from the application management table 800 as needed.
For example, it is assumed that “terminal device A” is at the timing of starting the screen lock operation. An application running on the terminal device A is a “design application”. This “design application” is determined to be in a connecting operation in “terminal device B”, “terminal device C”, and “terminal device D”.

Returning to FIG. 6, when it is determined that the application being executed on the terminal device 101 is a connection operation, the screen lock control unit 406 starts the operation of the screen lock until the application ends. Suspend (S704).
Thereafter, when the screen lock state monitoring unit 403 detects that the application being connected is terminated, the screen lock control unit 406 starts the screen lock operation (S705).

As described above, in the cooperative display system S of the present embodiment, the application activated on the terminal device 101 is specified at the timing of starting the screen lock operation on the display device 301 of the terminal device 101.
When the identified application is recorded in the application management table 800 and the application is activated in any of the terminal devices 102, 103, and 104, the start of the screen lock operation is suspended. The same processing is performed at the timing of starting the screen lock operation for the display devices of the terminal devices 102, 103, and 104.
Thereby, when using a multi-display screen, the transition to a state (screen lock state) that restricts the display function of each terminal device can be suspended. Therefore, user convenience can be improved without sacrificing security.

[Second Embodiment]
Here, an example of a processing procedure when a part of the terminal devices cancels the network connection during the connection operation in the cooperative display system S described in the first embodiment will be described with reference to FIG. FIG. 8 is a flowchart showing an example of a processing procedure in the above case. The terminal device 101 will be described as an example. In addition, portions that are the same as those already described in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

The network connection state monitoring unit 404 determines whether or not the network connection is released from the state of the network I / F 306 (S901).
When it is determined that the network connection has been released (S901: yes), the application display state monitoring unit 402 acquires information for specifying the application activated on the terminal device 101 at that time (S902). The information for specifying the application is, for example, an application name or an identifier.
If the application running on the terminal device 101 is recorded in the application management table 800, the screen lock control unit 406 determines that the application is connected (S903: yes). In this case, the application control unit 409 ends the running application. The screen lock state monitoring unit 403 determines whether or not the screen lock operation start is suspended (S905). If it is determined that the screen is on hold (S905: yes), the screen lock state monitoring unit 403 issues an instruction to the screen lock control unit 406 to start the screen lock operation (S906).
If it is determined in the processing of S903 that the running application is not connected (S903: no), and the start of the screen lock operation is not suspended in the processing of S905 (S905: no). In this case, the series of processes is terminated.

  Accordingly, when the network connection is released in the terminal device at the timing of starting the screen lock operation, the screen lock operation can be started immediately. Therefore, user convenience can be improved without sacrificing security.

[Third Embodiment]
Here, an example will be described in which the user is notified that the start of screen lock operation is suspended.
FIG. 9 is a diagram illustrating a state in which contents using the multi-display function are displayed on the screen by arranging the terminal devices 101, 102, 103, and 104 in a tile shape.
In the process of S701 shown in FIG. 6, when the screen lock operation start timing is reached (S701: yes), the icon 1001 (circle L) shown in FIG. 9 is displayed. This icon 1001 is an example of an icon indicating that the screen lock operation start is suspended. The shape, color, and the like of the icon 1001 can be arbitrarily set.

In FIG. 9, an icon 1001 is displayed in the display area of the display unit included in the terminal device 102. That is, in this case, the user can be notified that the start of the screen lock operation is suspended in the terminal device 102.
Thereby, the user can easily grasp which terminal device is suspending the start of operation of the screen lock. For the user, it is also confirmed that the screen lock is correctly set in the terminal device and the screen lock is functioning.

[Fourth Embodiment]
Here, an example in which the start of the screen lock operation can be canceled by the user's intention will be described.
FIG. 10 is a diagram illustrating a state in which contents using the multi-display function are displayed on the screen by arranging the terminal devices 101, 102, 103, and 104 in a tile shape.
In the process of S705 shown in FIG. 6 and the process of S906 shown in FIG. 8, the confirmation screen 1101 shown in FIG. 10 is displayed when the screen lock operation is started. In FIG. 10, as an example, a confirmation screen 1101 is displayed in the display area of the display unit included in the terminal device 102. That is, the confirmation screen 1101 in this case selects whether or not to activate the screen lock in the terminal device 102. If the user selects “Yes”, then the terminal device shifts to the screen lock state. If “No” is selected, the transition to the screen lock state is canceled.
Thereby, the user can cancel the screen lock which starts an operation | movement with the completion | finish of the application which is connected. Therefore, user convenience is improved.

[Fifth Embodiment]
Here, an example in which the start of the screen lock operation of a certain terminal device is canceled by operating another terminal device will be described.
FIG. 11 is a diagram illustrating a state in which terminal devices 101, 102, 103, and 104 are arranged in a tile shape and content using the multi-display function is displayed on the screen.
In the processing of S705 shown in FIG. 6 and the processing of S906 shown in FIG. 8, for example, a terminal device that starts operating the screen lock is assumed to be a terminal device 104 as shown in FIG. In this case, a confirmation screen 1202 is displayed in the display area of the display unit included in the terminal device 104 at the timing of starting the screen lock operation. Further, a confirmation screen 1201 is displayed in a display area of a display unit included in another terminal device excluding the terminal device 104, for example, as shown in FIG. The confirmation screen 1201 can be selected as “Yes” or “No” as to whether or not to activate the screen lock in the terminal device 104.
Thereby, the user can cancel the screen lock which starts an operation | movement with the completion | finish of the application which is connected operation | movement via another terminal device. Therefore, user convenience is improved.

  The embodiment described above is for explaining the present invention more specifically, and the scope of the present invention is not limited to these examples.

Claims (10)

  1. A plurality of terminal devices each having a display that shifts to a state in which at least one function of displaying information and accepting operation input is restricted by satisfying a predetermined condition are connected, and the displays of each terminal device are arranged in a predetermined arrangement By this, it is a cooperative display system that constitutes a multi-display screen,
    Each of the plurality of terminal devices is
    Monitoring means for monitoring an operating state of another terminal device capable of starting an application program using the multi-display screen;
    Control means for holding the transition in its own device regardless of whether or not the predetermined condition is satisfied when any other terminal device is running the application program,
    Linked display system.
  2. A communication means for communicating with another terminal device having a display;
    A display capable of configuring a multi-display screen by being arranged in a predetermined arrangement together with displays of other terminal devices connected by the communication;
    A state transition means for transitioning to a state in which at least one function of displaying information on the display and receiving an operation input from the display is restricted by satisfying a predetermined condition;
    The operation state of the other terminal device is monitored, and when the other terminal device is starting an application program that uses the multi-display screen, the transition by the state transition unit is determined whether or not the predetermined condition is satisfied. Regardless of whether or not to hold the control means,
    Terminal device.
  3. Triggered by the other terminal device starting the application program, the device further includes an activation unit that enables the application program to be activated in the device itself.
    The terminal device according to claim 2.
  4. When it is detected that the connection with the other terminal device has been released, the activation means terminates the application program being activated in the own device,
    The control means releases the hold when the application program ends,
    The terminal device according to claim 3.
  5. The control means is characterized in that when the transition is pending, the control means outputs pending information indicating that the migration is pending.
    The terminal device according to any one of claims 2 to 4.
  6. The control means transmits the hold information to the other terminal device to display on the display of the other terminal device that the display of the own device is holding the transition. ,
    The terminal device according to claim 5.
  7. Communication means for communicating with another terminal device having a display that shifts to a state in which at least one function of displaying information and accepting operation input is restricted by satisfying a predetermined condition;
    A display capable of configuring a multi-display screen by being arranged in a predetermined arrangement together with displays of other terminal devices connected by the communication;
    Starting means for starting an application program using the multi-display screen;
    When the application program is activated, the fact that the application program has been activated is transmitted to the other terminal device connected through the communication means together with the identification information of the device and the application program. Transmission means for holding the transition in the terminal device of
    Terminal device.
  8. Each connecting a plurality of terminal devices equipped with a display that shifts to a state that restricts at least one function of displaying information and accepting operation input by satisfying a predetermined condition,
    By arranging the display of each terminal device in a predetermined arrangement, a multi-display screen is configured,
    When any terminal device starts an application program that uses the multi-display screen, the terminal device starts the application program together with the terminal device and the identification information of the application program addressed to the other terminal device. By communicating that
    The other terminal device suspends the transition in its own device regardless of whether the predetermined condition is satisfied,
    Multi-display screen display method.
  9. A computer program for operating a terminal device that constitutes a multi-display screen together with a display of its own device in cooperation with another terminal device provided with a display as a display system,
    The terminal device;
    A state transition means for transitioning to a state in which at least one of the functions of displaying information on the display of the device itself and accepting operation input from the display is restricted by satisfying a predetermined condition;
    The operation status of the other terminal device is monitored, and when the other terminal device starts an application program that uses the multi-display screen, the transition is suspended regardless of whether the predetermined condition is satisfied. Function as a control means,
    Computer program.
  10. Communication means for communicating with another terminal device having a display that shifts to a state that restricts at least one of the functions of displaying information and accepting operation input by satisfying a predetermined condition, and another terminal connected by the communication A computer program for operating a terminal device provided with a display capable of configuring a multi-display screen by being arranged in a predetermined arrangement together with a display of the device as a cooperative display system,
    The terminal device;
    Starting means for starting an application program using the multi-display screen;
    When the application program is activated, the fact that the application program has been activated is transmitted to the other terminal device connected through the communication means together with the identification information of the device and the application program. Functioning as a transmission means for deferring the transition in the terminal device of
    Computer program.
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