JP6696249B2 - Conference system, terminal, connection control method and program - Google Patents

Description

  The present invention relates to a conference system, a terminal, a connection control method and a program.

  2. Description of the Related Art A conferencing system that performs a network conference by controlling a network connection from a terminal used by a user has been conventionally known. Patent Document 1 discloses an invention of an electronic conferencing system that can simplify connection of a wireless network and add a security function to prevent unrelated devices from joining the wireless network. ..

  However, in the conventional technique, when the user exits the network conference by operating the browser of the terminal, the communication cannot be disconnected.

  The present invention has been made in view of the above, and provides a conference system, a terminal, a connection control method, and a program capable of disconnecting communication even when a user leaves a network conference by operating a browser of the terminal. With the goal.

  In order to solve the above-mentioned problems and achieve the object, the present invention is a conference system for performing a network conference by connecting a conference server device and a plurality of terminals via a network. , A conference application that displays application operation screen information that accepts an operation from a user, and browser operation screen information that accepts an operation from the user are displayed, and an exit operation of the network conference is accepted via the browser operation screen information. At this time, when the conference application is not activated, a browser exit notification indicating that the exit operation of the network conference is accepted is transmitted to the conference server device via the browser operation screen information, and the conference server device A browser that activates the conference application when a conference application activation request is received as a response to the browser exit notification, and the conference application connects to the network when activated from the browser. Delete the control information for, the conference server device transmits the application operation screen information and the browser operation screen information to the terminal according to the operation of the terminal, and the browser exit notification from the terminal. A server communication control unit that, when received, transmits the activation request to the terminal.

  According to the present invention, it is possible to disconnect communication even when a user leaves a network conference by operating a browser of a terminal.

FIG. 1 is a diagram showing an example of a device configuration of a conference system according to an embodiment. FIG. 2 is a diagram showing an example of the functional configuration of the conference server device of the embodiment. FIG. 3 is a diagram illustrating a first example of screen information according to the embodiment. FIG. 4 is a diagram illustrating a second example of screen information according to the embodiment. FIG. 5 is a diagram illustrating a third example of screen information according to the embodiment. FIG. 6 is a diagram showing Example 4 of screen information according to the embodiment. FIG. 7 is a diagram showing an example of the functional configuration of the connection control device of the embodiment. FIG. 8 is a diagram showing an example of the functional configuration of the terminal of the embodiment. FIG. 9 is a sequence diagram showing an example of a method of starting communication between the terminal and the conference server device according to the embodiment. FIG. 10 is a sequence diagram showing a first example of a method of disconnecting communication when the terminal of the embodiment receives an exit operation by a browser. FIG. 11 is a sequence diagram showing a second example of the method of disconnecting the communication when the terminal of the embodiment receives the exit operation by the browser. FIG. 12 is a sequence diagram showing a first example of a method of disconnecting communication when the terminal of the embodiment receives a termination operation from the browser. FIG. 13 is a sequence diagram showing a second example of the method of disconnecting the communication when the terminal of the embodiment receives the ending operation by the browser. FIG. 14 is a diagram showing an example of the hardware configuration of the conference server device of the embodiment. FIG. 15 is a diagram showing an example of the hardware configuration of the connection control device of the embodiment. FIG. 16 is a diagram showing an example of the hardware configuration of the terminal of the embodiment.

  Embodiments of a conference system, a terminal, a connection control method, and a program will be described in detail below with reference to the accompanying drawings.

<Conference system device configuration>
FIG. 1 is a diagram illustrating an example of a device configuration of a conference system 100 according to the embodiment. The conference system 100 of the embodiment includes a conference server device 10, a connection control device 20, a terminal 30a, a terminal 30b, a projector 40, an electronic blackboard 50, a print server device 60, and an MFP (Multifunction Peripheral) 70. Hereinafter, when the terminal 30a and the terminal 30b are not distinguished, they are simply referred to as the terminal 30. The number of terminals 30 is not limited to two and may be arbitrary.

  The conference server device 10, the connection control device 20, the projector 40, and the electronic blackboard 50 are connected via the first network 110. The terminals 30 a and 30 b can be connected to the first network 110 via the connection control device 20.

  The first network 110 is realized by combining wired connection and wireless connection. For example, the conference server device 10, the projector 40, and the electronic blackboard 50 are connected to the first network 110 by wire, and the terminal 30 is wirelessly connected to the first network 110. The conference server device 10, the projector 40, and the electronic blackboard 50 may also be wirelessly connected to all the devices by wirelessly connecting to the first network 110. The first network 110 is a closed network available within a limited area. The first network 110 is a closed network that can be used in a specific room such as a conference room.

  The connection control device 20, the print server device 60, and the MFP 70 are connected via the second network 120. The print server device 60 and the MFP 70 can communicate with devices connected to the Internet 130 via the second network 120.

  The communication system of the second network 120 may be a wired system or a wireless system, or may be realized by combining the wired system and the wireless system. The second network 120 is, for example, a network that can be used in the entire building.

  The conference server device 10 controls a network conference performed using the terminal 30, the projector 40, and the electronic blackboard 50. The conference server device 10 performs, for example, storage control of conference identification information, participant information, conference material data and UI information, and transmission control of conference material data and UI information. The description of the conference identification information, the participant information, the conference material data, and the UI information will be described later. Details of the functional configuration of the conference server device 10 will be described later with reference to FIG.

  The connection control device 20 is a device having a first communication method and a second communication method. The first communication method is near field communication such as NFC and Bluetooth (registered trademark). The first communication method is used, for example, for transmitting control information necessary for wirelessly connecting to the first network 110. The control information necessary for wirelessly connecting to the first network 110 is, for example, an SSID (Service Set Identifier) and an encryption key (password).

  The second communication method is a wired LAN such as Ethernet (registered trademark) and a wireless LAN such as Wi-Fi (registered trademark). The second communication method is used to connect to the first network 110. Details of the functional configuration of the connection control device 20 will be described later with reference to FIG. 7.

  The terminal 30 is a device used by a user in a network conference. The terminal 30 is, for example, a smart device, a notebook computer, or the like.

  The projector 40 is a device that projects data referred to by a user in a network conference. The electronic whiteboard 50 is a device capable of displaying data stored in the conference server device 10 and writing the data with an electronic pen. The print server device 60 is a device that receives print requests from a plurality of devices and controls the order of processing based on the print requests. The MFP 70 is a device having a plurality of functions such as a copy function, a print function, a scanner function, and a FAX function.

<Functional configuration of conference server device>
Next, an example of the functional configuration of the conference server device 10 of the embodiment will be described.

  FIG. 2 is a diagram showing an example of a functional configuration of the conference server device 10 of the embodiment. The conference server device 10 of the embodiment includes a storage unit 11, a server communication control unit 12, a UI control unit 13, an output control unit 14, and a storage control unit 15.

  The storage unit 11 stores information. The information stored in the storage unit 11 is, for example, conference identification information, participant information, conference material data, UI information, and the like.

  The meeting specifying information is information specifying a meeting. The participant information is the information of the participants of the conference. Table 1 shows an example of the conference specifying information and the participant information of the embodiment.

  The meeting identification information of the embodiment includes a meeting ID, a meeting name, and a meeting place. The conference ID is identification information that identifies the conference. The meeting name is the name of the meeting. The meeting place indicates the place where the meeting is held. The example of Table 1 shows a case where "001" is set as the conference ID, "ABC project" is set as the conference name, and "A room" is set as the conference place.

  The participant information of the embodiment includes a name, passcode, IP address, MAC address, model number, telephone number and mail address. Participant information is stored for each conference. The participant information in Table 1 is the participant information of the conference identified by the conference ID “001”.

  The name is the participant's name, user name, nickname, or the like. Names with <> indicate the organizer of the conference. The passcode is information that is input when participating in the conference. The pass code is, for example, a 4-digit alphanumeric character. The passcode is set for each meeting. The IP address is the IP address of the terminal 30 used by the participant. The IP address of the terminal 30 may be assigned by a fixed IP address, or may be dynamically assigned by the DHCP server. The MAC address is the MAC address of the terminal 30 used by the participant. The MAC address of the terminal 30 is information unique to the hardware of the terminal 30. The model number is information that identifies the type of client program that operates on the terminal 30. The model number is, for example, a combination of an OS name, an application name, a browser name, a version, and the like. The model number is referred to in order for the conference server device 10 to transmit appropriate screen information to the terminal 30, for example. The telephone number is the telephone number of the participant. The email address is the email address of the participant.

  In the example of Table 1, the participants of the conference identified by the conference ID “001” are taro, jiro, and saburo. The organizer of the conference identified by the conference ID “001” is taro whose name is given as <>, and the passcode of the conference is “0090”.

  The conference material data is data displayed on the terminal 30, the projector 40, the electronic blackboard 50, and the like.

  The UI information is screen information displayed on the terminal 30, the projector 40, the electronic blackboard 50, and the like. For example, the screen information of the terminal 30 is application operation screen information and browser operation screen information. The application operation screen information is displayed by the conference application 35 (see FIG. 8) described below, and receives an operation from the user. Further, the browser operation screen information is displayed by the browser 36 (see FIG. 8) described later and accepts the operation from the user.

  The display formats of the application operation screen information and the browser operation screen information may be arbitrary.

  For example, the display format of the application operation screen information may be optimally displayed when the screen size of the terminal 30 is the screen size of a smart device such as a smartphone or a tablet terminal. On the other hand, the display format of the browser operation screen information may be optimally displayed when the screen size of the terminal 30 is the screen size of a liquid crystal display such as a personal computer.

  Further, for example, in consideration of the screen sizes of the personal computer and the smart device, the information amount of the information displayed in the application operation screen information may be smaller than the information amount of the information displayed in the browser operation screen information. ..

  The application operation screen information and the browser operation screen information may have the same display format and the same information amount.

  Here, an example of screen information displayed as application operation screen information or browser operation screen information will be described.

  FIG. 3 is a diagram illustrating a first example of screen information according to the embodiment. The example of FIG. 3 shows screen information when the “meeting” tab 201 is selected. The example of FIG. 3 shows a case where the above-mentioned conference identification information and the name, telephone number, and mail address (see Table 1) included in the participant information are displayed.

  FIG. 4 is a diagram illustrating a second example of screen information according to the embodiment. The example of FIG. 4 shows screen information when the “select from device” tab 202 is selected. The screen information of FIG. 4 is displayed when the conference material data and the like are projected on the projector 40.

  FIG. 5 is a diagram illustrating a third example of screen information according to the embodiment. The example of FIG. 5 shows screen information when the “select from file” tab 203 is selected. The screen information of FIG. 5 is displayed when the meeting material data and the like are projected on the projector 40.

  Returning to FIG. 2, the server communication control unit 12 controls communication of data displayed in the conference. The server communication control unit 12 inputs the data received via the first network 110 to the UI control unit 13, the output control unit 14, and the storage control unit 15. When the server communication control unit 12 receives the data to be transmitted from the UI control unit 13, the output control unit 14, and the storage control unit 15, the server communication control unit 12 transmits the data to another device via the first network 110.

  Further, when the server communication control unit 12 receives from the terminal 30 a browser exit notification indicating that the exit operation of the network conference has been received via the above-mentioned browser operation screen information, the server communication control unit 12 transmits a meeting application activation request to the terminal 30. To do.

  In addition, the server communication control unit 12 confirms that the termination operation of the network conference is accepted from the terminal 30 of the organizer of the network conference (for example, the terminal 30 used by tar described in Table 1) via the browser operation screen information. When the browser end notification is received, the conference application activation request is transmitted to the terminals 30 of the organizer and the participants of the network conference.

  FIG. 6 is a diagram showing Example 4 of screen information according to the embodiment. The example of FIG. 6 shows an example of browser operation screen information for accepting an exit operation and an end operation of a network conference. When the leave all button is pressed, the above-described browser end notification is transmitted from the terminal 30 of the organizer of the network conference to the conference server device 10. When the individual exit button is pressed, the above-mentioned browser exit notification is transmitted from the terminal 30 of the organizer of the network conference to the conference server device 10. In the terminals 30 of the participants who are not the organizers of the network conference, the leave all button cannot be selected.

  Returning to FIG. 2, the UI control unit 13 controls screen information displayed on the terminal 30. The UI control unit 13 transmits, for example, the conference material data and screen information stored in the storage unit 11 to the terminal 30 via the server communication control unit 12. The UI control unit 13 transmits, for example, the above-described application operation screen information and browser operation screen information to the terminal 30 via the server communication control unit 12 according to the operation of the terminal 30.

  The output control unit 14 controls the output of the conference material data. Specifically, the output control unit 14 selects the output destination of the conference material data from, for example, the terminal 30, the projector 40, the electronic blackboard 50, or the like. The output control unit 14 outputs the conference material data to the selected output destination via the server communication control unit 12.

  The storage control unit 15 performs storage control such as reading, addition, deletion, and change of information stored in the storage unit 11.

<Functional configuration of connection control device>
Next, an example of the functional configuration of the connection control device 20 of the embodiment will be described.

  FIG. 7 is a diagram showing an example of a functional configuration of the connection control device 20 of the embodiment. The connection control device 20 of the embodiment includes a storage unit 21, a first communication control unit 22, a second communication control unit 23, a determination unit 24, and a storage control unit 25.

  The storage unit 21 stores information. The information stored in the storage unit 21 is, for example, connection-permitted terminal information. The connection-permitted terminal information includes specific information that identifies a terminal that is permitted to connect to the conference server device 10. Table 2 shows an example of the connection-permitted terminal information of the embodiment.

  The connection-permitted terminal information of the embodiment includes a number, a terminal name, a MAC address and an IP address. The number is a number given to each piece of specific information included in the connection-permitted terminal information. The terminal name is the name of the terminal 30. The description of the MAC address and the IP address is the same as the description of Table 1. The connection permission terminal information is read from the storage unit 21 by the storage control unit 25 and referred to by the determination unit 24 when the terminal 30 accesses the conference server device 10.

  The first communication control unit 22 transmits the above-described control information for connecting to the first network 110 to the terminal 30 within the communication range of the above-described first communication method. For example, when the first communication method is NFC, a user of the terminal 30 at a distance connectable to the first network 110 can hold the terminal 30 over the connection control device 20. Thereby, the terminal 30 can receive the control information from the connection control device 20. The control information is, for example, an SSID and an encryption key when the communication between the terminal 30 and the conference server device 10 is a wireless LAN.

  When the second communication control unit 23 receives a terminal registration request using the above-mentioned control information from the terminal 30 by the above-mentioned second communication method, the specific information (see Table 2) for specifying the terminal 30 is displayed. It is added to the storage unit 21 via the storage control unit 25. When the second communication control unit 23 receives a request for deleting specific information from the conference server device 10 by the above-described second communication method, the second communication control unit 23 transfers the specific information designated by the deletion request via the storage control unit 25. And delete it from the storage unit 21.

  In addition, when the connection request to the conference server device 10 transmitted from the terminal 30 is permitted by the determination unit 24, the second communication control unit 23 performs the communication between the terminal 30 and the conference server device 10 as described above. The second communication method is used for control. The data transmitted by the second communication method is, for example, the data transmitted from the conference server device 10 and the data transmitted from the terminal 30. The data transmitted from the conference server device 10 is, for example, conference material data, screen information (application operation screen information and browser operation screen information), a conference application activation request, and the like. The data transmitted from the terminal 30 is, for example, information input by a user's operation via screen information, a meeting material data output request, the above-mentioned browser exit notification, the above-mentioned browser end notification, and the like. The meeting material data output request is a request to output the meeting material data from, for example, the projector 40, the electronic blackboard 50, or the like.

  When there is a connection request from the terminal 30 to the conference server device 10, the determination unit 24 determines whether or not the above-described connection-permitted terminal information includes specific information that identifies the terminal 30 that has transmitted the connection request. To do. The determination unit 24 permits the connection request from the terminal 30 to the conference server device 10 when the specific information for identifying the terminal 30 that has transmitted the connection request is included in the connection permission terminal information. If the specific information for identifying the terminal 30 that has transmitted the connection request is not included in the connection-permitted terminal information, the determination unit 24 does not permit the connection request from the terminal 30 to the conference server device 10.

  The storage control unit 25 performs storage control such as reading, addition, deletion, and change of information stored in the storage unit 21.

<Functional configuration of terminal>
Next, an example of the functional configuration of the terminal 30 of the embodiment will be described.

  FIG. 8 is a diagram showing an example of the functional configuration of the terminal 30 of the embodiment. The terminal 30 of the embodiment includes a storage unit 31, a first communication control unit 32, a second communication control unit 33, a storage control unit 34, a conference application 35, a browser 36, a display unit 37, and an input unit 38.

  The storage unit 31 stores information. The information stored in the storage unit 31 is, for example, the above-mentioned control information and arbitrary information stored by the user of the terminal 30.

  When the first communication control unit 32 receives the above-mentioned control information for connecting to the first network 110 from the connection control device 20 within the communication range of the above-mentioned first communication method, the first communication control unit 32 stores the control information. It is stored in the unit 31.

  The second communication control unit 33 controls the communication with the conference server device 10 using the above-mentioned control information by the second communication method. The second communication control unit 33 transmits, for example, the above-mentioned browser exit notification and the above-mentioned browser end notification to the conference server device 10.

  The storage control unit 34 performs storage control such as reading, addition, deletion, and change of information stored in the storage unit 31.

  The conference application 35 displays the above-described application operation screen information and operates according to the operation received from the user via the application operation screen information.

  Further, the conference application 35 deletes the above-mentioned control information from the storage unit 31 when activated by the browser 36. Further, when the conference application 35 receives the above-described browser exit notification from the browser 36 while operating in the background, the conference application 35 deletes the above-mentioned control information from the storage unit 31. After deleting the control information, the conference application 35 displays application operation screen information including information indicating that communication with the conference server device 10 has been disconnected.

  The browser 36 displays the above-mentioned browser operation screen information and operates according to the operation received from the user via the browser operation screen information. The browser 36 can be used not only for displaying the browser operation screen information received from the conference server device 10 but also for general use. The browser 36 can also display, for example, screen information received from an arbitrary server device.

  For example, when the browser 36 receives the exit operation of the network conference via the browser operation screen information and the conference application 35 is not activated, the browser 36 sends the above-described browser exit notification via the second communication control unit 33. , To the conference server device 10. Then, the browser 36 activates the conference application 35 when the activation request for the conference application 35 is received from the conference server device 10 as a response to the browser exit notification.

  Further, for example, when the browser 36 receives the exit operation of the network conference via the above-mentioned browser operation screen information, when the conference application 35 is operating in the background (when the conference application 35 is activated), The browser exit notification is transmitted to the conference application 35 and the conference server device 10.

  The display unit 37 displays information. The information displayed on the display unit 37 is the application operation screen information described above and the browser operation screen information described above. The application operation screen information and the browser operation screen information include conference material data received from the conference server device 10 via the connection control device 20, for example. The input unit 38 receives an input indicating a user operation. The display unit 37 and the input unit 38 may be realized by a liquid crystal touch panel or the like having both a display function and an input function.

<Connection control method>
Next, an example of the connection control method of the embodiment will be described.

  FIG. 9 is a sequence diagram showing an example of a method of starting communication between the terminal 30 and the conference server device 10 according to the embodiment. First, the input unit 38 of the terminal 30 receives an operation for starting the conference application 35 (step S1).

  Next, when the first communication control unit 22 of the connection control device 20 has a distance between the connection control device 20 and the terminal 30 that allows communication according to the above-described first communication method, the first communication The above-mentioned control information is transmitted to the terminal 30 by the method (step S2).

  Next, the storage control unit 34 of the terminal 30 stores the control information transmitted in step S2 in the storage unit 31 (step S3). Next, the second communication control unit 33 transmits a terminal registration request to the connection control device 20 by the second communication method using the control information stored in step S3 (step S4).

  Next, the storage control unit 25 of the connection control device 20 adds the specific information of the terminal 30 that has transmitted the terminal registration request in step S4 to the connection-permitted terminal information (see Table 2) of the storage unit 21 (step S5). ..

  Next, the second communication control unit 33 of the terminal 30 transmits a connection request to the conference server device 10 to the connection control device 20 by the above-mentioned second communication method (step S6).

  Next, the determination unit 24 of the connection control device 20 determines whether or not the connection permission terminal information includes the specific information that identifies the terminal 30 that has transmitted the connection request in step S6 (step S7).

  Next, when the specific information for identifying the terminal 30 that has transmitted the connection request in step S6 is included in the connection-permitted terminal information, the second communication control unit 23 of the connection control device 20 conferences the connection request. It is transmitted to the server device 10 (step S8). If the specific information that identifies the terminal 30 that has transmitted the connection request in step S6 is not included in the connection-permitted terminal information, the second communication control unit 23 of the connection control device 20 connects to the conference server device 10. Notify the terminal 30 of the failure.

  Next, the server communication control unit 12 of the conference server device 10 transmits to the connection control device 20 the initial screen information that is first displayed when connecting to the conference server device 10 (step S9).

  Next, the second communication control unit 23 of the connection control device 20 transmits the initial screen information transmitted in step S9 to the terminal 30 (step S10). This allows the terminal 30 to start a network conference.

  FIG. 10 is a sequence diagram showing a first example of a method of disconnecting communication when the terminal 30 of the embodiment receives an exit operation from the browser 36. The example of FIG. 10 illustrates a case where the browser 36 receives an exit operation for exiting from the network conference (individual exit) while the conference application 35 is not activated.

  First, the browser 36 of the terminal 30 receives an exit operation of a network conference (step S21). Next, the browser 36 transmits the above-mentioned exit notification to the connection control device 20 via the second communication control unit 33 (step S22).

  Next, the second communication control unit 23 of the connection control device 20 transmits the exit notification transmitted in step S22 to the conference server device 10 (step S23).

  Next, when the server communication control unit 12 of the conference server device 10 receives the exit notification from the connection control device 20, the server communication control unit 12 transmits the above-described activation request to the connection control device 20 (step S24).

  Next, the second communication control unit 23 of the connection control device 20 transmits the activation request transmitted in step S24 to the browser 36 of the terminal 30 (step S25).

  Next, when the browser 36 of the terminal 30 receives the activation request from the connection control device 20, the conference application 35 is activated (step S26).

  Next, the server communication control unit 12 of the conference server device 10 transmits a deletion request for deleting the specific information of the terminal 30 added in step S5 of FIG. 9 to the connection control device 20 (step S27).

  Next, the storage control unit 25 of the connection control device 20 deletes the specific information designated by the deletion request transmitted in step S27 from the connection-permitted terminal information (see Table 2) of the storage unit 21 (step S28). ..

  On the other hand, when the conference application 35 of the terminal 30 is activated by the browser 36 in step S26, the control information stored in the storage unit 11 in step S3 of FIG. 9 is deleted via the storage control unit 15 (step S29). ). Next, the conference application 35 displays information indicating that communication with the conference server device 10 has been disconnected (step S30).

  FIG. 11 is a sequence diagram showing a second example of the method of disconnecting the communication when the terminal 30 of the embodiment receives the exit operation from the browser 36. In the example of FIG. 11, when the conference application 35 is activated (the conference application 35 is operating in the background), the browser 36 accepts an exit operation for exiting from the network conference (individual exit). Show.

  First, the browser 36 of the terminal 30 receives an exit operation of a network conference (step S41). Next, the browser 36 sends the exit notification to the connection control device 20 via the second communication control unit 33 (step S42), and also sends the exit notification to the conference application 35 (step S43). ).

  Next, the second communication control unit 23 of the connection control device 20 transmits the exit notification transmitted in step S42 to the conference server device 10 (step S44).

  Next, when the server communication control unit 12 of the conference server device 10 receives the exit notification from the connection control device 20, the connection control device issues a deletion request for deleting the specific information of the terminal 30 added in step S5 of FIG. 20 (step S45).

  Next, the storage control unit 25 of the connection control device 20 deletes the specific information specified by the deletion request transmitted in step S45 from the connection-permitted terminal information (see Table 2) of the storage unit 21 (step S46). ..

  On the other hand, when the conference application 35 of the terminal 30 receives the exit notification transmitted in step S43, the control information stored in the storage unit 31 in step S3 of FIG. 9 is deleted via the storage control unit 34 (step S3). S47). Next, the conference application 35 displays information indicating that communication with the conference server device 10 has been disconnected (step S48).

  FIG. 12 is a sequence diagram showing a first example of a method of disconnecting communication when the terminal 30 of the embodiment receives an end operation from the browser 36. The example of FIG. 12 illustrates a case where the browser 36 receives an end operation for ending the network conference (leaving all members) while the conference application 35 is not activated. In the description of FIG. 12, the case where the terminal 30a is used as the organizer of the network conference and the terminal 30b is used as a participant who is not the organizer of the network conference will be described as an example.

  First, the browser 36 of the terminal 30a receives an operation of ending the network conference (step S61). Next, the browser 36 transmits the above-mentioned end notification to the connection control device 20 via the second communication control unit 33 (step S62).

  Next, the second communication control unit 23 of the connection control device 20 transmits the end notification transmitted in step S62 to the conference server device 10 (step S63).

  Next, when the server communication control unit 12 of the conference server device 10 receives the end notification from the connection control device 20, the server communication control unit 12 transmits the above-described activation request for the terminal 30a to the connection control device 20 (step S64).

  The description of step S65, step S66, step S71 and step S72 is the same as that of step S25, step S26, step S29 and step S30 of FIG.

  In addition, the server communication control unit 12 transmits to the connection control device 20 a start request or an end notification to the terminal 30b of the participants of the network conference held by the organizer using the terminal 30a (step S67). .. Specifically, the server communication control unit 12 transmits an activation request to the terminal 30b when communicating with the browser 36 of the terminal 30b. On the other hand, when the server communication control unit 12 is communicating with the conference application 35 of the terminal 30b, the server communication control unit 12 transmits an end notification to the terminal 30b.

  Next, the second communication control unit 23 of the connection control device 20 transmits the activation request or the end notification transmitted in step S67 to the terminal 30a (step S68).

  The description of the operation of the terminal 30b when the browser 36 of the terminal 30b receives the activation request from the connection control device 20 is the same as the above-described description of FIG. Similarly, the description of the operation of the terminal 30b when the conference application 35 of the terminal 30b receives the end notification from the connection control device 20 will be described when the exit notification is received from the browser 36 (FIG. 11, step S43, step). Since it is the same as S47 and step S48), the description thereof is omitted.

  The process of step S68 is performed on the terminals 30 of all the participants participating in the network conference held by the organizer who uses the terminal 30a.

  Next, the server communication control unit 12 of the conference server device 10 transmits a deletion request for deleting the identification information of the terminal 30a and the identification information of the terminal 30b to the connection control device 20 (step S69).

  Next, the storage control unit 25 of the connection control device 20 deletes the plurality of pieces of specific information designated by the deletion request transmitted in step S69 from the connection-permitted terminal information (see Table 2) of the storage unit 21 (step S69). S70).

  FIG. 13 is a sequence diagram showing a second example of a method of disconnecting communication when the terminal 30 of the embodiment receives an end operation by the browser 36. In the example of FIG. 13, when the conference application 35 is activated (the conference application 35 is operating in the background), the browser 36 accepts a termination operation to terminate the network conference (leave all). Show. In the description of FIG. 13, the case where the terminal 30a is used as the organizer of the network conference and the terminal 30b is used as a participant who is not the organizer of the network conference will be described as an example.

  First, the browser 36 of the terminal 30a receives an operation of ending the network conference (step S81). Next, the browser 36 sends the above-mentioned end notification to the connection control device 20 via the second communication control unit 33 (step S82), and also sends the end notification to the conference application 35 (step S83). ).

  Next, the second communication control unit 23 of the connection control device 20 transmits the end notification transmitted in step S82 to the conference server device 10 (step S84).

  Next, when the server communication control unit 12 of the conference server device 10 receives the end notification from the connection control device 20, the participant of the network conference held by the organizer using the terminal 30a starts the terminal 30b. The request or the end notification is transmitted to the connection control device 20 (step S85). Specifically, the server communication control unit 12 transmits an activation request to the terminal 30b when communicating with the browser 36 of the terminal 30b. On the other hand, when the server communication control unit 12 is communicating with the conference application 35 of the terminal 30b, the server communication control unit 12 transmits an end notification to the terminal 30b.

  Next, the second communication control unit 23 of the connection control device 20 transmits the activation request or the end notification transmitted in step S85 to the terminal 30b (step S86).

  The description of the operation of the terminal 30b when the browser 36 of the terminal 30b receives the activation request from the connection control device 20 is the same as the above-described description of FIG. Similarly, the description of the operation of the terminal 30b when the conference application 35 of the terminal 30b receives the end notification from the connection control device 20 will be described when the exit notification is received from the browser 36 (FIG. 11, step S43, step). Since it is the same as S47 and step S48), the description thereof is omitted.

  The process of step S86 is performed on the terminals 30 of all the participants participating in the network conference held by the organizer who uses the terminal 30a.

  The description of step S87 and step S88 is the same as the description of step S69 and step S70 of FIG. The description of step S89 and step S90 is the same as that of step S29 and step S30 of FIG.

<Hardware configuration>
Finally, an example of the hardware configuration of the conference server device 10, the connection control device 20, and the terminal 30 of the embodiment will be described.

  FIG. 14 is a diagram showing an example of the hardware configuration of the conference server device 10 of the embodiment. The conference server device 10 of the embodiment includes a control device 301, a main storage device 302, an auxiliary storage device 303, a display device 304, an input device 305, and a communication device 306. The control device 301, the main storage device 302, the auxiliary storage device 303, the display device 304, the input device 305, and the communication device 306 are connected via a bus 310.

  The control device 301 executes the program read from the auxiliary storage device 303 to the main storage device 302. The main storage device 302 is a memory such as a ROM and a RAM. The auxiliary storage device 303 is a memory card, SSD (Solid State Drive), or the like.

  The display device 304 displays information. The display device 304 is, for example, a liquid crystal display. The input device 305 receives input of information. The input device 305 is, for example, a keyboard and a mouse. The display device 304 and the input device 305 may be liquid crystal touch panels having both a display function and an input function. The communication device 306 communicates with other devices.

  The conference server device 10 may not include the display device 304 and the input device 305. That is, the settings of the conference server device 10 may be received from another device via the communication device 306.

  FIG. 15 is a diagram showing an example of the hardware configuration of the connection control device 20 of the embodiment. The connection control device 20 of the embodiment includes a control device 401, a main storage device 402, an auxiliary storage device 403, a first communication device 404, and a second communication device 405. The control device 401, main storage device 402, auxiliary storage device 403, first communication device 404, and second communication device 405 are connected via a bus 410.

  The description of the control device 401, the main storage device 402, and the auxiliary storage device 403 is the same as the description of the control device 301, the main storage device 302, and the auxiliary storage device 303 (see FIG. 14), and will be omitted.

  The first communication device 404 is a device that performs near field communication such as NFC and Bluetooth (registered trademark). The second communication device 405 is a device that performs wireless communication such as Wi-Fi (registered trademark).

  FIG. 16 is a diagram showing an example of the hardware configuration of the terminal 30 of the embodiment. The terminal 30 of the embodiment includes a control device 501, a main storage device 502, an auxiliary storage device 503, a display device 504, an input device 505, a first communication device 506, and a second communication device 507. The control device 501, main storage device 502, auxiliary storage device 503, display device 504, input device 505, first communication device 506, and second communication device 507 are connected via a bus 510.

  The control device 501, the main storage device 502, the auxiliary storage device 503, the display device 504, and the input device 505 will be described. The control device 301, the main storage device 302, the auxiliary storage device 303, the display device 304, and the input device 305 (FIG. (See 14), and thus will be omitted. Further, the description of the first communication device 506 and the second communication device 507 is the same as the description of the first communication device 404 and the second communication device 405 (see FIG. 15), and thus will be omitted.

  The programs executed by the conference server device 10, the connection control device 20, and the terminal 30 according to the embodiment are files in an installable format or an executable format in a CD-ROM, a memory card, a CD-R, and a DVD (Digital Versatile Disk). ) And the like are stored in a computer-readable storage medium and provided as a computer program product.

  Further, the program executed by the conference server device 10, the connection control device 20, and the terminal 30 of the embodiment is stored in a computer connected to a network such as the Internet and is provided by being downloaded via the network. You may. The programs executed by the conference server device 10, the connection control device 20, and the terminal 30 according to the embodiment may be provided via a network such as the Internet without being downloaded.

  Further, the programs executed by the conference server device 10, the connection control device 20, and the terminal 30 according to the embodiment may be incorporated in a ROM or the like in advance and provided.

  The program executed by the conference server device 10, the connection control device 20, and the terminal 30 of the embodiment can be realized by the program among the functional configurations of the conference server device 10, the connection control device 20, and the terminal 30 of the above-described embodiment. It has a modular structure including functions.

  The functions realized by the program are the functions realized by the program when the control device 301 (401, 501) reads the program from a storage medium such as the auxiliary storage device 303 (403, 503) and executes the program. 302 (402, 502). That is, the function realized by the program is generated on the main storage device 302 (402, 502).

  Note that some or all of the functions of the conference server device 10, the connection control device 20, and the terminal 30 of the embodiment may be realized by hardware such as an IC (Integrated Circuit).

  As described above, in the conference system 100 of the embodiment, the browser 36 of the terminal 30 displays the browser operation screen information that receives the operation from the user, and receives the exit operation of the network conference via the browser operation screen information. At this time, if the conference application 35 is not activated, a browser exit notification indicating that the exit operation of the network meeting is accepted is transmitted to the meeting server device 10 via the browser operation screen information. Then, the browser 36 activates the conference application 35 when the activation request for the conference application 35 is received from the conference server device 10 as a response to the browser exit notification. When started from the browser 36, the conference application 35 of the terminal 30 deletes the control information for connecting to the first network 110.

  Thus, according to the conference system 100 of the embodiment, even if the user leaves the network conference by operating the browser 36 of the terminal 10, the communication can be disconnected.

10 conference server device 11 storage unit 12 server communication control unit 13 storage control unit 20 connection control device 21 storage unit 22 first communication control unit 23 second communication control unit 24 determination unit 25 storage control unit 30 terminal 31 storage unit 32 First communication control unit 33 Second communication control unit 34 Storage control unit 35 Conference application 36 Browser 37 Display unit 38 Input unit 40 Projector 50 Electronic blackboard 60 Print server device 70 MFP
100 conference system

JP, 2004-096495, A

Claims (11)

A conference system for performing a network conference by connecting a conference server device and a plurality of terminals via a network,
The terminal is
A conference application that displays application operation screen information that accepts operations from users,
The browser operation screen information is displayed when displaying the browser operation screen information that accepts an operation from the user and receiving the exit operation of the network conference via the browser operation screen information when the conference application is not activated. When a browser exit notification indicating that the exit operation of the network conference has been accepted is transmitted to the conference server device via the, and a request to start the conference application is received from the conference server device as a response to the browser exit notification. A browser for starting the conference application,
The conference application, when activated from the browser, deletes control information for connecting to the network,
The conference server device,
A server that transmits the application operation screen information and the browser operation screen information to the terminal according to the operation of the terminal, and transmits the activation request to the terminal when the browser exit notification is received from the terminal Communication control unit,
A conference system equipped with. The browser transmits the browser exit notification to the conference application and the conference server device when the conference application is activated when the exit operation of the network conference is accepted via the browser operation screen information. Then
The conference application deletes the control information when receiving the browser exit notification from the browser,
The conference system according to claim 1. The browser of the terminal of the organizer of the network conference is
When an end operation of the network conference is accepted via the browser operation screen information, a browser end notification indicating that the end operation is accepted is transmitted to the conference server device,
The server communication control unit of the conference server device,
When the browser end notification is received from the terminal of the organizer of the network conference, the activation request is transmitted to the terminals of the organizer of the network conference and the participants,
The browsers of the organizers and participants of the network conference are
Upon receiving a request to start the conference application from the conference server device, start the conference application,
The conference application for the organizer and participants of the network conference is
When started from the browser, the control information is deleted,
The conference system according to claim 1. The conference application displays the application operation screen information including information indicating that communication with the conference server device is disconnected after deleting the control information.
The conference system according to any one of claims 1 to 3. The conference system further includes a connection control device that controls a connection between the terminal and the conference server device,
The connection control device,
A storage unit that stores connection-permitted terminal information including specific information that identifies a terminal that is permitted to connect to the conference server device;
A first communication control unit for transmitting the control information to a terminal in a communication range of the first communication method;
When there is a connection request to the conference server device from the terminal, a determination unit that determines whether or not the specific information that identifies the terminal that has transmitted the connection request is included in the connection-permitted terminal information,
When it is determined that the specific information for specifying the terminal is included in the connection-permitted terminal information, the communication using the control information between the terminal and the conference server device is performed by the second communication method. A second communication control unit controlled by
The conference system according to any one of claims 1 to 4. The server communication control unit of the conference server device,
When the browser exit notification is received from the terminal, a deletion request including specific information of the terminal that has transmitted the browser exit notification is transmitted to the connection control device, and the network conference is ended via the browser operation screen information. When a browser end notification indicating that an operation has been received is received from the terminal, specific information of the terminal that has transmitted the browser end notification and the organizer of the network conference that uses the terminal that has transmitted the browser end notification Sending a deletion request including specific information for identifying the terminal used by the participants of the network conference being held,
The second communication control unit of the connection control device, when receiving the deletion request from the connection control device, deletes the specific information included in the deletion request from the connection-permitted terminal information.
The conference system according to claim 5. The first communication method is NFC (Near Field Communication),
The conference system according to claim 5. The second communication method is a wireless LAN,
The control information is an SSID (Service Set Identifier) and an encryption key,
The conference system according to any one of claims 5 to 7. A terminal that conducts a network conference by being connected to the conference server device via a network,
The terminal is
A conference application that displays application operation screen information that accepts operations from users,
The browser operation screen information is displayed when displaying the browser operation screen information that accepts an operation from the user and receiving the exit operation of the network conference via the browser operation screen information when the conference application is not activated. When a browser exit notification indicating that the exit operation of the network conference has been accepted is transmitted to the conference server device via the, and a request to start the conference application is received from the conference server device as a response to the browser exit notification. A browser for starting the conference application,
The conference application, when activated from the browser, deletes control information for connecting to the network,
Terminal. A connection control method for a conference system for performing a network conference by connecting a conference server device and a plurality of terminals via a network,
A step where the conference application of the terminal displays application operation screen information that receives an operation from a user,
A step in which the browser of the terminal displays browser operation screen information that accepts an operation from the user,
A step in which the browser of the terminal receives an exit operation of the network conference via the browser operation screen information;
The browser of the terminal, if the conference application is not activated, a step of transmitting a browser exit notification indicating that the exit operation of the network conference is accepted via the browser operation screen information, to the conference server device,
A step of activating the conference application when the browser of the terminal receives a request to activate the conference application from the conference server device as a response to the browser exit notification;
When the conference application of the terminal is started from the browser, deleting control information for connecting to the network,
A server communication control unit of the conference server device transmits the application operation screen information and the browser operation screen information to the terminal according to an operation of the terminal; and a server communication control unit of the conference server device. When receiving the browser exit notification from the terminal, transmitting the activation request to the terminal,
A connection control method comprising: By connecting to the conference server device via a network,
A conference application that displays application operation screen information that accepts operations from users,
The browser operation screen information is displayed when displaying the browser operation screen information that accepts an operation from the user and receiving the exit operation of the network conference via the browser operation screen information when the conference application is not activated. When a browser exit notification indicating that the exit operation of the network conference has been accepted is transmitted to the conference server device via the, and a request to start the conference application is received from the conference server device as a response to the browser exit notification. A browser that launches the conference application,
Function as
The conference application deletes control information for connecting to the network when started from the browser,
program.

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