JP5894771B2 - Electronic blackboard interlocking system and electronic blackboard interlocking method - Google Patents

Description

  The present invention relates to an electronic blackboard interlocking system and an electronic blackboard interlocking method capable of reflecting information drawn on an electronic blackboard to other devices.

  An electronic blackboard device (hereinafter also referred to as “electronic blackboard”) is generally used as an independent display device, and the contents described on the electronic blackboard can be easily stored in an electronic medium. In addition, terminal devices used by individuals, such as mobile terminals, are basically used independently, and display specifications are generally displayed on a display screen. As described above, the electronic blackboard and the terminal device are generally independent specifications, and are not linked according to individual situations.

  As a prior art, there is an electronic blackboard device described in Patent Document 1. This electronic blackboard apparatus optically reads an image drawn on a board by a scanner, converts the read image into image data, and outputs the image data to the outside by an infrared transmitter.

JP-A-8-223331

  However, according to the conventional technology, it is not possible to link with a terminal device by outputting only a part of the read image to an external device, for example, a terminal device, for example, according to each situation. Further, since the conventional technology cannot associate the electronic blackboard with an external device, when the respondent enters an answer on the electronic blackboard, the content of the answer cannot be transmitted to a specific terminal device.

  An object of the present invention is to provide an electronic blackboard interlocking system and an electronic blackboard interlocking method capable of interlocking an electronic blackboard device and a specific terminal device.

The present invention relates to a plurality of electronic blackboard devices capable of drawing information, a plurality of terminal devices, the operation of one electronic blackboard device among the plurality of electronic blackboard devices, and one terminal among the plurality of terminal devices. An electronic blackboard interlocking system including a control device that interlocks and controls the operation of the device,
Each terminal device is instructed when an interlock request is instructed by the interlock request instructing unit and an interlock request instructing unit for instructing transmission of an interlock request for requesting interlock with the electronic blackboard device to the control device. A terminal control unit that transmits the interlocking request to the control device,
When the control device receives the interlocking request from the terminal control units of the plurality of terminal devices, the terminal device of the terminal control unit that transmitted the interlocking request received first among the plurality of received interlocking requests is the terminal device to be interlocked and,
The control device acquires drawing information drawn on the electronic blackboard device to be linked from the electronic blackboard device to be linked, and transmits the acquired drawing information to the terminal device to be linked,
Each of the terminal devices further includes a display unit and an operation unit for performing a selection operation,
Each electronic blackboard device classifies the drawing information into a plurality of items and draws each item, and stores item information representing the plurality of items,
The terminal control unit of the terminal device to be linked causes the display unit to display a plurality of items indicated by the item information, and selects an item selected by a selection operation by the operation unit from the plurality of items displayed on the display unit. Send the selected item information to the control device,
When the control device receives selection item information from the terminal control unit of the terminal device to be linked, the control device acquires drawing information of the selected item indicated by the received selection item information from the electronic blackboard device to be linked, In the electronic blackboard interlocking system, the acquired drawing information is transmitted to the interlocked terminal device .
Further, in the present invention, the control device acquires the item information from the electronic blackboard device to be linked, transmits the acquired item information to the terminal device to be linked,
When receiving the item information from the control device, the terminal control unit of the terminal device to be linked displays a plurality of items indicated by the received item information on the display unit.

In addition, the present invention further includes a drawing information request instruction unit that instructs each terminal device to transmit a drawing information request for requesting drawing information to the control device,
When the drawing information request is instructed by the drawing information request instruction unit, the terminal control unit transmits the drawing information request to the control device,
When the control device receives the drawing information request from the terminal control unit of the terminal device that is not the synchronization target, the control device acquires item information from the electronic blackboard device that is the synchronization target, and the acquired item information is the interlock that has received the drawing information request. Send to non-target terminal devices,
When the terminal control unit of the terminal device that is not the interlocking target acquires item information from the control device, the terminal control unit displays a plurality of items indicated by the acquired item information on the display unit, and from among the plurality of items displayed on the display unit Transmitting selection item information representing an item selected by a selection operation by the operation unit to the control device;
When the control device receives selection item information from the terminal control unit of the terminal device that is not the interlock target, the control device acquires drawing information of the selected item indicated by the received selection item information from the electronic blackboard device that is the interlock target, The acquired drawing information is transmitted to a terminal device that is not the interlock target.

According to the present invention, each of the electronic blackboard devices includes a second interlocking request instruction unit that instructs to transmit a second interlocking request for requesting interlocking with the terminal device to the control device, A blackboard controller that transmits a second interlocking request to the control device when an instruction for a second interlocking request is received by the interlocking request instruction unit;
When the control device receives a second interlock request from the blackboard controller of the plurality of electronic blackboard devices, the control device transmits the second interlock request received first among the plurality of received second interlock requests. The electronic blackboard device of the blackboard controller is an electronic blackboard device to be linked.

The present invention also provides a plurality of electronic blackboard devices capable of drawing information, a plurality of terminal devices, an operation of one of the plurality of electronic blackboard devices, and one of the plurality of terminal devices. And a control device that controls the operation of the terminal device in conjunction with each other, and each terminal device is instructed to transmit to the control device an interlocking request for requesting interlocking with the electronic blackboard device. Each of the electronic blackboard devices includes a second interlocking request instruction unit and a blackboard control unit for instructing transmission of a second interlocking request for requesting interlocking with the terminal device to the control device. An electronic blackboard interlocking method executed by an electronic blackboard interlocking system including
When the terminal control unit of each terminal device is instructed by the interlocking request instruction unit, a transmission step of transmitting the instructed interlocking request to the control device;
When the control device receives the interlock request from the terminal control units of the plurality of terminal devices, the terminal device of the terminal control unit that transmitted the interlock request received first among the plurality of received interlock requests is the target terminal device to be interlocked And a control step
A second transmitting step in which the blackboard controller of each electronic blackboard device transmits the instructed second interlocking request to the control device when the second interlocking request is instructed by the second interlocking request instructing unit; It is the electronic blackboard interlocking method characterized by including.

  According to the present invention, a plurality of electronic blackboard devices capable of drawing information, a plurality of terminal devices, an operation of one of the plurality of electronic blackboard devices, and one of the plurality of terminal devices. In the electronic blackboard interlocking system including a control device that controls the operation of one terminal device in conjunction with each other, each terminal device requires interlocking with the electronic blackboard device when interlocking with the electronic blackboard device and the terminal device. A link request instructing unit for instructing transmission of the link request to the control device, and a terminal control unit for transmitting the commanded link request to the control device when the link request is instructed by the link request instructing unit. When the control device receives the interlocking request from the terminal control units of the plurality of terminal devices, the control device selects the terminal device of the terminal control unit that transmitted the interlocking request received first among the plurality of interlocking requests received A terminal device. Therefore, the electronic blackboard interlocking system can link the electronic blackboard device and the specific terminal device.

Also, before Symbol controller drawing information drawn on the electronic blackboard apparatus interlocking target, acquired from an electronic blackboard apparatus of the interlocking target, and transmits the acquired drawing information to the terminal device of the interlocking target. Therefore, the electronic blackboard interlocking system can transmit information drawn on the electronic blackboard device to a specific terminal device.

Also, before Symbol each terminal apparatus further includes an operation unit for performing display and selection operation. Each of the electronic blackboard devices classifies the drawing information into a plurality of items and draws each item, and stores item information representing the plurality of items. The control device, the terminal control unit of the previous SL interlocking target terminal apparatus, according to previous climate th information is displayed on the display unit a plurality of items indicated by the operation unit from among a plurality of items displayed on the display unit Selection item information representing an item selected by the selection operation is transmitted to the control device. When the control device receives the selection item information from the terminal control unit of the terminal device to be linked, the control device acquires drawing information of the selected item indicated by the received selection item information from the electronic blackboard device to be linked. Then, the acquired drawing information is transmitted to the interlocked terminal device. Therefore, the electronic blackboard interlocking system can transmit only the drawing information about the selected item among the drawing information drawn on the electronic blackboard device to the specific terminal device.

  According to the present invention, each terminal device further includes a drawing information request instructing unit that instructs the control device to transmit a drawing information request for requesting drawing information. When the drawing information request is instructed by the drawing information request instructing unit, the terminal control unit transmits the drawing information request to the control device. When the control device receives the drawing information request from the terminal control unit of the terminal device that is not the synchronization target, the control device acquires item information from the electronic blackboard device that is the synchronization target, and the acquired item information is the interlock that has received the drawing information request. Send to non-target terminal. When the terminal control unit of the terminal device that is not the interlocking target acquires item information from the control device, the terminal control unit displays a plurality of items indicated by the acquired item information on the display unit, and from among the plurality of items displayed on the display unit Selection item information representing an item selected by the selection operation by the operation unit is transmitted to the control device. When the control device receives the selection item information from the terminal control unit of the terminal device that is not the synchronization target, the control device acquires drawing information of the selected item indicated by the received selection item information from the synchronization target electronic blackboard device. Then, the acquired drawing information is transmitted to the terminal device that is not the interlock target. Therefore, the electronic blackboard interlocking system can transmit only the drawing information about the selected item among the drawing information drawn on the electronic blackboard device to the electronic terminal device that is not the target of interlocking.

  According to the invention, each electronic blackboard device includes a second interlocking request instruction unit that instructs to transmit a second interlocking request for requesting interlocking with a terminal device to the control device, A blackboard controller that transmits a second interlocking request to the control device when a second interlocking request is instructed by the two interlocking request instruction units. When the control device receives a second interlock request from the blackboard controller of the plurality of electronic blackboard devices, the control device transmits the second interlock request received first among the plurality of received second interlock requests. The electronic blackboard device of the blackboard control unit is the electronic blackboard device to be linked. Therefore, the electronic blackboard interlocking system can link a specific electronic blackboard device and a specific terminal device.

  Further, according to the present invention, a plurality of electronic blackboard devices capable of drawing information, a plurality of terminal devices, an operation of one of the plurality of electronic blackboard devices, and a plurality of terminal devices And a control device that controls the operation of one terminal device in conjunction with each other, and each terminal device is instructed to transmit to the control device an interlock request for requesting an interlock with the electronic blackboard device. Each electronic blackboard device includes an instruction unit and a terminal control unit, and each electronic blackboard device instructs a second interlocking request for requesting interlocking with the terminal device to be transmitted to the control device. When the electronic blackboard device and the terminal device are linked by the electronic blackboard linkage method executed by the electronic blackboard linkage system including the control unit, in the transmission step, the terminal control unit of each terminal device is linked by the linkage request instruction unit. request When instructed to transmit the indicated interlocked request to the control device. In the control step, when the control device receives the interlock request from the terminal control units of the plurality of terminal devices, the terminal device of the terminal control unit that transmitted the interlock request received first among the plurality of received interlock requests is interlocked The target terminal device. In the second transmission step, when the blackboard controller of each electronic blackboard device is instructed by the second interlocking request instructing unit, the instructed second interlocking request is transmitted to the control device. Send to. Therefore, the electronic blackboard interlocking method can interlock the electronic blackboard device and the specific terminal device.

It is a figure which shows the external appearance of each apparatus contained in the electronic blackboard interlocking system 1 which is one Embodiment of this invention. 2 is a block diagram of the electronic terminal 10. FIG. 2 is a block diagram of a terminal control device 20. FIG. 3 is a block diagram of the electronic blackboard 30. FIG. 2 is a connection diagram of the electronic blackboard interlocking system 1. FIG. 4 is a diagram for explaining association between the electronic terminal 10 and the electronic blackboard 30 by the terminal control device 20. FIG. It is a figure which shows an example of the reply column 44 displayed on the electronic blackboard 30b. It is a figure for demonstrating the storage procedure of the reply content. It is a figure for demonstrating the display procedure of the stored reply content. It is a figure for demonstrating the transfer procedure of the reply content to the other electronic terminal 10b. It is a figure which shows the format of the reply content transmitted to the electronic terminal. It is a figure which shows the other example of the operation button displayed on the electronic blackboard. It is a figure which shows the operation | movement sequence of the correlation procedure performed between apparatuses. It is a flowchart which shows the process sequence of the transferable item acquisition process which the electronic terminal 10 performs. It is a flowchart which shows the process sequence of the correlation process which the terminal control apparatus 20 performs. It is a flowchart which shows the process sequence of the reply process which the electronic blackboard 30 performs. It is a figure which shows the operation | movement sequence of the reply storage procedure performed between apparatuses. It is a flowchart which shows the process sequence of the reply acquisition process which the electronic terminal 10 performs. It is a flowchart which shows the process sequence of the reply transfer process which the terminal control apparatus 20 performs. It is a flowchart which shows the process sequence of the reply transmission process which the electronic blackboard 30 performs. It is a flowchart which shows the process sequence of the answer display process which the electronic terminal 10 performs.

  FIG. 1 is a diagram showing the appearance of each device included in an electronic blackboard interlocking system 1 according to an embodiment of the present invention. The electronic blackboard interlocking system 1 includes a plurality of electronic terminal devices (hereinafter referred to as “electronic terminals”) 10, one terminal control device 20, and at least one electronic blackboard device (hereinafter referred to as “electronic blackboard”) 30. The The terminal control device 20 controls the linkage between the electronic terminal 10 and the electronic blackboard 30. The electronic blackboard interlocking method according to the present invention is executed by the electronic blackboard interlocking system 1.

  The electronic blackboard interlocking system 1 is a system used in a classroom or a conference room, for example. When the electronic blackboard interlocking system 1 is used in a classroom, for example, each student operates one electronic terminal 10 and a teacher operates the terminal control device 20. There may be one electronic blackboard 30 or a plurality of electronic blackboards. For example, in the case of a plurality of electronic blackboards 30, the same problem is drawn on the plurality of electronic blackboards 30, but one electronic blackboard 30 is selected. Then, the student answers on the selected electronic blackboard 30, and the teacher evaluates and corrects the answer.

  FIG. 1A shows the appearance of the electronic terminal 10. The electronic terminal 10 that is a terminal device includes a terminal display unit 101, a terminal touch panel 104, and terminal operation keys 121. The terminal display unit 101 as a display unit is configured by a liquid crystal display, for example. The terminal touch panel 104 that is an operation unit is configured by, for example, a touch panel, and is provided on the display screen of the terminal display unit 101. The terminal operation key 121 includes a plurality of operation keys, and each operation key is assigned a function. For example, a menu display function is assigned to one operation key, and the menu is displayed on the terminal display unit 101 by pressing the operation key.

  FIG. 1B shows the external appearance of the terminal control device 20. The terminal control device 20 that is a control device includes a control display unit 201 and a keyboard 221. The control display unit 201 is configured by a display device such as a liquid crystal display. The keyboard 221 is configured by an input device that inputs characters, numbers, symbols, and the like, for example.

  FIG. 1C shows the appearance of the electronic blackboard 30. An electronic blackboard 30 that is an electronic blackboard device includes a blackboard display unit 301, a blackboard touch panel 304, and a blackboard operation key 321. The blackboard display unit 301 is configured by a liquid crystal display, for example. The blackboard touch panel 304 is constituted by a touch panel, for example, and is provided on the display screen of the blackboard display unit 301. The blackboard operation key 321 includes a plurality of operation keys, and each operation key is assigned a function. For example, a menu display function is assigned to one operation key, and the menu is displayed on the blackboard operation key 321 by pressing the operation key.

  FIG. 2 is a block diagram of the electronic terminal 10. The electronic terminal 10 includes a terminal microprocessor unit (Micro Processing Unit: hereinafter referred to as “MPU”) 100, a terminal display unit 101, a terminal image memory 102, a terminal image memory control unit 103, a terminal touch panel 104, a terminal touch panel control unit 105, a terminal Key control unit 106, terminal audio input / output unit 107, terminal decode encoding processing unit 108, terminal main memory 109, terminal external memory control unit 110, terminal external memory 111, terminal communication processing unit 112, terminal nonvolatile memory control unit 113, The terminal transferable item storage unit 114, the terminal question / answer storage unit 115, the terminal program storage unit 116, and the terminal operation key 121 are configured.

  The terminal MPU 100 which is a terminal control unit is constituted by, for example, an MPU, and executes a program stored in the terminal main memory 109, thereby executing a terminal image memory control unit 103, a terminal touch panel control unit 105, a terminal key control unit 106, a terminal It controls the decode encoding processing unit 108, the terminal external memory control unit 110, the terminal communication processing unit 112, and the terminal nonvolatile memory control unit 113. For example, the terminal MPU 100 controls data transfer between memories, issues a control command to each control unit or each processing unit to execute control or processing, performs interrupt processing from each input device, or receives Process the data.

  When the terminal image memory 102 receives image information to be displayed on the terminal display unit 101 from the terminal image memory control unit 103, the terminal image memory 102 stores the received image information, reads the stored image information, sends it to the terminal display unit 101, and displays it. . The terminal image memory control unit 103 controls the terminal image memory 102 to send the image information received from the terminal MPU 100 to the terminal image memory 102 and display it on the terminal display unit 101 as an image.

  The terminal touch panel 104 sends position information indicating the position on the display screen of the terminal display unit 101 touched by an indicator such as a finger or a touch pen to the terminal touch panel control unit 105. The terminal touch panel control unit 105 controls the terminal touch panel 104 and sends the position information received from the terminal touch panel 104 to the terminal MPU 100. Based on the position information received from the terminal touch panel control unit 105, the terminal MPU 100 recognizes which position of the image displayed on the display screen of the terminal display unit 101 is touched by the pointing tool.

  The terminal key control unit 106 controls a key operation unit (not shown) including the terminal operation keys 121. The terminal key control unit 106 sends operation key information representing an operation key operated among the plurality of operation keys included in the terminal operation key 121 to the terminal MPU 100. The terminal MPU 100 recognizes which operation key has been operated based on the operation key information received from the terminal key control unit 106.

  Operations such as page feed, page return, line scroll, left / right scroll, enlargement, and reduction for the display content of the image displayed on the display screen of the terminal display unit 101 are terminal operations included in the terminal touch panel 104 or the key operation unit. This is done using the key 121. The terminal MPU 100 is an operation for requesting the terminal control device 20 to perform an operation on the terminal touch panel 104, an operation on the terminal operation key 121, or an operation on an operation button displayed on the display screen of the terminal display unit 101. In this case, each request is transmitted to the terminal control device 20 via the terminal communication processing unit 112.

  The terminal voice input / output unit 107 includes a terminal speaker 117 and a terminal microphone (hereinafter referred to as “microphone”) 118. The terminal decoding / encoding processing unit 108 controls the terminal audio input / output unit 107. The terminal decode / encoding processing unit 108 outputs information received from the terminal MPU 100 as sound by the terminal speaker 117, digitizes the sound heard by the terminal microphone 118, and sends the digitized information to the terminal MPU 100.

  The terminal main memory 109 reads a program executed by the terminal MPU 100 from the terminal program storage unit 116 and stores it. The terminal MPU 100 executes a program stored in the terminal main memory 109.

  The terminal external memory control unit 110 controls the terminal external memory 111. The terminal external memory control unit 110 writes the information received from the terminal MPU 100 to the terminal external memory 111, and sends the information read from the terminal external memory 111 to the terminal MPU 100 according to an instruction from the terminal MPU 100. The terminal external memory 111 is composed of, for example, a universal serial bus (abbreviated as “USB”) memory or a secure digital (abbreviated as “SD”) card.

  The terminal communication processing unit 112 is configured by a communication device, for example, and transmits and receives information to and from the terminal control device 20 in accordance with instructions from the terminal MPU 100. The terminal communication processing unit 112 transmits information received from the terminal MPU 100 to the terminal control device 20 and transmits information received from the terminal control device 20 to the terminal MPU 100.

  The terminal nonvolatile memory control unit 113 controls the terminal transferable item storage unit 114, the terminal question / answer storage unit 115, and the terminal program storage unit 116. The terminal transferable item storage unit 114, the terminal question / answer storage unit 115, and the terminal program storage unit 116 are configured by a nonvolatile storage device such as a flash memory, for example. The terminal nonvolatile memory control unit 113 writes the information received from the terminal MPU 100 into the terminal transferable item storage unit 114, the terminal question / answer storage unit 115, or the terminal program storage unit 116 in accordance with an instruction from the terminal MPU 100, and the terminal MPU 100 The information read from the terminal transferable item storage unit 114, the terminal question / answer storage unit 115, or the terminal program storage unit 116 is sent to the terminal MPU 100 in accordance with the instruction from the terminal MPU 100.

  The terminal transferable item storage unit 114 stores transferable items received from the electronic blackboard 30 via the terminal control device 20. The transferable item represents an item of information that can be transferred from the electronic blackboard 30. The transferable items include items such as questions, answers, and corrections. The question is a problem drawn on the electronic blackboard 3. The answer is an answer that is input and drawn for the problem. The correction is a correction input and drawn for the answer. The terminal question / answer storage unit 115 stores the contents of questions, answers, and corrections received from the electronic blackboard 30 via the terminal control device 20. The transferable item is item information. The contents of questions, answers, and corrections are drawing information. Hereinafter, the contents of questions, answers, and corrections are also simply referred to as “answer contents”. Questions, answers, and corrections include teacher evaluation of answers.

  The terminal program storage unit 116 stores a program executed by the terminal MPU 100 and information necessary for the terminal MPU 100 to execute the program. The program stored in the terminal program storage unit 116 is a code converted into an execution format and is copied to the terminal main memory 109, and the terminal MPU 100 executes the program copied to the terminal main memory 109.

  FIG. 3 is a block diagram of the terminal control device 20. The terminal control device 20 controls the operation of one electronic blackboard 30 among the plurality of electronic blackboards 30 and the operation of one electronic terminal 10 among the plurality of electronic terminals 10 in conjunction with each other. The terminal control device 20 includes a control MPU 200, a control display unit 201, a control image memory 202, a control image memory control unit 203, a mouse 204, a mouse control unit 205, a control key control unit 206, a control external memory 207, and a control external memory control unit. 208, control main memory 209, control communication processing unit 210, hard disk drive (Hard Disk Drive: abbreviation “HDD”) control unit 211, linking information storage unit 212, control question / answer storage unit 213, control transferable item storage unit 214, a control program storage unit 215 and a keyboard 221.

  The control MPU 200 is configured by, for example, an MPU, and executes a program stored in the control main memory 209, thereby controlling the control image memory control unit 203, the mouse control unit 205, the control key control unit 206, the control external memory control unit 208, The control communication processing unit 210 and the HDD control unit 211 are controlled. For example, the terminal MPU 100 controls data transfer between the memory and the HDD, issues a control command to each control unit or each processing unit to execute control or processing, and performs interrupt processing from each input device. Alternatively, the received data is processed.

  When the control image memory 202 receives the image information to be displayed on the control display unit 201 from the control image memory control unit 203, the control image memory 202 stores the received image information, reads out the stored image information, and sends it to the control display unit 201 for display. . The control image memory control unit 203 controls the control image memory 202, sends the image information received from the control MPU 200 to the control image memory 202, and displays it on the control display unit 201 as an image.

  The mouse 204 is configured by an input device such as a mouse, and is used to operate an operation pointer, a menu, and operation buttons displayed on the control display unit 201. The mouse 204 sends movement information for moving the pointer displayed on the display screen of the control display unit 201 and click information indicating that the click has been performed to the mouse control unit 205. The mouse control unit 205 sends the movement information and click information received from the mouse 204 to the control MPU 200. The control MPU 200 moves the pointer to be displayed on the display screen based on the movement information received from the mouse control unit 205, and also displays the display screen of the control display unit 201 based on the click information received from the mouse control unit 205. Recognize operations on displayed images, such as menus and operation buttons.

  The control key control unit 206 controls the keyboard 221. The control key control unit 206 sends key information representing the operated key among the plurality of keys included in the keyboard 221 to the control MPU 200. The control MPU 200 recognizes which key is operated based on the key information received from the control key control unit 206. The control external memory 207 and the control external memory control unit 208 are the same as the terminal external memory 111 and the terminal external memory control unit 110 shown in FIG. 1, and a description thereof will be omitted to avoid duplication.

  The control main memory 209 reads the program executed by the control MPU 200 from the control program storage unit 215 and stores it. The control MPU 200 executes a program stored in the control main memory 209.

  The control communication processing unit 210 is configured by, for example, a communication device, and transmits and receives information to and from the electronic terminal 10 and the electronic blackboard 30 in accordance with instructions from the control MPU 200. The control communication processing unit 210 transmits the information received from the control MPU 200 to the electronic terminal 10 or the electronic blackboard 30 according to an instruction from the control MPU 200, and sends the information received from the electronic terminal 10 and the electronic blackboard 30 to the control MPU 200.

  The HDD control unit 211 controls the association information storage unit 212, the control question / answer storage unit 213, the control transferable item storage unit 214, and the control program storage unit 215. The association information storage unit 212, the control question / answer storage unit 213, the control transferable item storage unit 214, and the control program storage unit 215 are configured by a non-volatile storage device such as an HDD. The HDD control unit 211 sends the information received from the control MPU 200 to the association information storage unit 212, the control question / answer storage unit 213, the control transferable item storage unit 214, or the control program storage unit 215 in accordance with an instruction from the control MPU 200. In accordance with an instruction from the writing and control MPU 200, the information read from the linking information storage unit 212, the control question / answer storage unit 213, the control transferable item storage unit 214, or the control program storage unit 215 is sent to the control MPU 200.

  The association information storage unit 212 stores association information. The association information is information that associates, that is, associates the electronic terminal 10 to be linked among the plurality of electronic terminals 10 and the electronic blackboard 30 to be linked among the plurality of electronic blackboards 30. The control question / answer storage unit 213 stores the contents of questions, answers, and corrections received from the electronic blackboard 30. The control transferable item storage unit 214 stores transferable items received from the electronic blackboard 30.

  The control program storage unit 215 stores a program executed by the control MPU 200 and information necessary for the control MPU 200 to execute the program. The program stored in the control program storage unit 215 is a code converted into an execution format, and is copied to the control main memory 209. The control MPU 200 executes the program copied to the control main memory 209.

  FIG. 4 is a block diagram of the electronic blackboard 30. An electronic blackboard 30 capable of drawing information includes a blackboard MPU 300, a blackboard display unit 301, a blackboard image memory 302, a blackboard image memory control unit 303, a blackboard touch panel 304, a blackboard touch panel control unit 305, a blackboard key control unit 306, and blackboard voice input / output. Unit 307, blackboard decoding / encoding processing unit 308, blackboard main memory 309, blackboard external memory control unit 310, blackboard external memory 311, blackboard communication processing unit 312, blackboard non-volatile memory control unit 313, interlocking information storage unit 314, blackboard question / An answer storage unit 315, a blackboard program storage unit 316, and a blackboard operation key 321 are included.

  The blackboard MPU 300, which is a blackboard control unit, is composed of, for example, an MPU, and includes a blackboard image memory control unit 303, a blackboard touch panel control unit 305, a blackboard key control unit 306, a blackboard decode / encode processing unit 308, a blackboard external memory control unit 310, The processing unit 312 and the blackboard nonvolatile memory control unit 313 are controlled. For example, the blackboard MPU 300 controls data transfer between memories, issues a control command to each control unit or each processing unit to execute control or processing, performs interrupt processing from each input device, or receives Process the data.

  When the blackboard image memory 302 receives image information to be displayed on the blackboard display unit 301 from the blackboard image memory control unit 303, the blackboard image memory 302 stores the received image information, reads out the stored image information, and sends it to the blackboard display unit 301 for display. . The blackboard image memory control unit 303 controls the blackboard image memory 302 to send the image information received from the blackboard MPU 300 to the blackboard image memory 302 and display it on the blackboard display unit 301 as an image.

  A blackboard touch panel 304, a blackboard touch panel control unit 305, a blackboard speech input / output unit 307 including a blackboard speaker 317 and a blackboard microphone 318, a blackboard decode / encode processing unit 308, a blackboard external memory control unit 310, and a blackboard external memory 311 are illustrated in FIG. The terminal touch panel 104, the terminal touch panel control unit 105, the terminal audio input / output unit 107, the terminal decode / encoding processing unit 108, the terminal external memory control unit 110, and the terminal external memory 111 are the same and will not be described in order to avoid duplication. .

  The blackboard key control unit 306 controls a key operation unit (not shown) including the blackboard operation key 321. The blackboard key control unit 306 sends operation key information representing an operation key operated among a plurality of operation keys included in the blackboard operation key 321 to the blackboard MPU 300. The blackboard MPU 300 recognizes which operation key is operated based on the operation key information received from the blackboard key control unit 306.

  Operations such as page feed, page return, line scroll, left / right scroll, enlargement, and reduction for the display content of the image displayed on the blackboard display unit 301 are performed by using the blackboard touch panel 304 or the blackboard operation key 321 included in the key operation unit. Done using. The blackboard MPU 300 is an operation that requires the terminal control device 20 to perform an operation on the blackboard touch panel 304, an operation on the blackboard operation key 321, or an operation on an operation button displayed on the display screen of the blackboard display unit 301. In this case, each request is transmitted to the terminal control device 20 via the blackboard communication processing unit 312.

  The blackboard main memory 309 reads the program executed by the blackboard MPU 300 from the blackboard program storage unit 316 and stores it. The blackboard MPU 300 executes a program stored in the blackboard main memory 309. The programs stored in the blackboard main memory 309 include a control program and a question assignment application program (hereinafter referred to as “question application” or “problem application”) according to the present invention. Hereinafter, the control program is also referred to as an electronic blackboard linked application.

  The blackboard communication processing unit 312 is configured by a communication device, for example, and performs transmission / reception of information with the terminal control device 20 in accordance with an instruction from the blackboard MPU 300. The blackboard communication processing unit 312 transmits information received from the blackboard MPU 300 to the terminal control device 20, and transmits information received from the terminal control device 20 to the blackboard MPU 300.

  The blackboard non-volatile memory control unit 313 controls the interlocking information storage unit 314, the blackboard question / answer storage unit 315, and the blackboard program storage unit 316. The interlocking information storage unit 314, the blackboard question / answer storage unit 315, and the blackboard program storage unit 316 are configured by a nonvolatile storage device such as a flash memory, for example. The blackboard non-volatile memory control unit 313 writes the information received from the blackboard MPU 300 into the interlocking information storage unit 314, the blackboard question / answer storage unit 315 or the blackboard program storage unit 316 in accordance with an instruction from the blackboard MPU 300. According to the instruction, the information read from the interlocking information storage unit 314, the blackboard question / answer storage unit 315 or the blackboard program storage unit 316 is sent to the blackboard MPU 300.

  The link information storage unit 314 stores link information. The linkage information includes transferable items and question answer storage information. The question answer storage information is information indicating whether or not the contents of questions, answers, and corrections are stored in the blackboard question / answer storage unit 315, that is, whether they are stored. The blackboard question / answer storage unit 315 answers questions to the questions displayed by the question assignment application and drawn on the display screen of the blackboard display unit 301, that is, the questions displayed on the display screen of the blackboard display unit 301. Drawing, that is, the inputted answer and the contents of correction inputted by the teacher for the answer are stored.

  The blackboard program storage unit 316 stores a program executed by the blackboard MPU 300 and information necessary for the blackboard MPU 300 to execute the program. The program stored in the blackboard program storage unit 316 is a code converted into an execution format, and is copied to the blackboard main memory 309. The blackboard MPU 300 executes the program copied to the blackboard main memory 309.

  The question assignment application stored in the blackboard main memory 309 is activated when the blackboard MPU 300 that executes the control program receives the problem application activation request from the terminal control device 20, and the blackboard MPU 300 executes the question assignment application. Start. Also, the blackboard MPU 300 that executes the question assignment application displays the question on the display screen of the blackboard display unit 301 when receiving the question display request from the terminal control device 20.

  FIG. 5 is a connection diagram of the electronic blackboard interlocking system 1. Each electronic terminal 10, terminal control device 20, and each electronic blackboard 30 are connected by the network 2. The network 2 is configured by a network such as a local area network (abbreviation “LAN”) or a wide area network (abbreviation “WAN”). Each electronic terminal 10 transmits and receives information to and from the terminal control device 20 via the network 2. Each electronic blackboard 30 transmits and receives information to and from the terminal control device 20 via the network 2.

  The electronic blackboard interlocking system 1 constructs, for example, an electronic classroom environment with the electronic terminal 10, the terminal control device 20, and the electronic blackboard 30 connected to the network 2. Hereinafter, although an electronic classroom environment will be described as an example, the present invention is not limited to an electronic classroom environment, and can also be applied to conferences and lectures.

  FIG. 6 is a diagram for explaining the association between the electronic terminal 10 and the electronic blackboard 30 by the terminal control device 20. For example, when the electronic blackboard interlocking system 1 is in an electronic classroom environment, one electronic terminal 10 is assigned to each student, and each student operates the electronic terminal 10 assigned to him / herself. The terminal control device 20 is operated by a teacher. The electronic blackboard 30 is operated by teachers and students.

  When each electronic blackboard 30 receives the problem application activation request from the terminal control device 20, it activates the problem application. When each electronic blackboard 30 activates the question assignment application and receives a question display request from the terminal control device 20, the electronic blackboard 30 displays the question presented by the question assignment application as a question on each blackboard display unit 301.

  When each electronic terminal 10 receives an answer button display request from the terminal control device 20, the electronic terminal 10 displays an answer button 151 on each terminal display unit 101. Similarly, when each electronic blackboard 30 receives an answer button display request from the terminal control device 20, the electronic blackboard 30 displays an answer button 351 on each blackboard display unit 301. The answer button 151 is an interlocking request instruction unit. The answer button 351 is a second interlocking request instruction unit.

  When the answer button 151 is operated, each electronic terminal 10 transmits an interlocking request for requesting interlocking with the electronic blackboard device 30 (hereinafter also referred to as “association request”) to the terminal control device 20. When receiving the link request from the electronic terminal 10, the terminal control device 20 registers the electronic terminal 10 that transmitted the link request received first as the link target electronic terminal 10 in the association information storage unit 212. Registration is performed by storing electronic terminal identification information for identifying the electronic terminal 10 to be linked in the association information storage unit 212.

  Each electronic blackboard 30 transmits an interlocking request for requesting interlocking with the electronic terminal 10 to the terminal control device 20 when the answer button 351 is operated. When receiving the link request from the electronic blackboard 30, the terminal control device 20 registers the electronic blackboard 30 that has transmitted the received link request first as the link target electronic blackboard 30 in the association information storage unit 212. Registration is performed by storing electronic blackboard identification information for identifying the electronic blackboard 30 to be linked in the association information storage unit 212. The interlocking request for requesting interlocking with the electronic terminal 10 is a second interlocking request.

  Based on the electronic terminal identification information and the electronic blackboard identification information stored in the association information storage unit 212, association, that is, association between the electronic terminal 10 to be linked and the electronic blackboard 30 to be linked is performed. The associated electronic terminal identification information and electronic blackboard identification information are the association information. In the example illustrated in FIG. 6, the electronic terminal 10 a is the electronic terminal 10 to be linked, and the electronic blackboard 30 b is the electronic blackboard 30 to be linked.

  The terminal control device 20 acquires reply electronic blackboard information and transferable items from the electronic blackboard 30b that is the interlocking target. The reply electronic blackboard information is the electronic blackboard identification information of the electronic blackboard 30b that is to be linked. The terminal control device 20 stores the acquired reply electronic blackboard information, that is, the electronic blackboard identification information in the association information storage unit 212. Further, the terminal control device 20 transmits the acquired transferable item to the electronic terminal 10a. When receiving the transferable item from the terminal control device 20, the electronic terminal 10a stores the received transferable item in the terminal transferable item storage unit 114.

  FIG. 7 is a diagram illustrating an example of the answer column 44 displayed on the electronic blackboard 30b. The character string “ABC” 40 drawn in the answer column 44 displayed on the electronic blackboard 30b is an answer input by the student. A circle 41 that circles the answer is an evaluation by the teacher, and indicates that the circle 41 is correct. The character string “OK even for AAC” 42 drawn on the right side of the answer is an correction input by the teacher.

  FIG. 8 is a diagram for explaining the procedure for storing the response contents. When receiving the transferable item from the terminal control device 20, the electronic terminal 10 a displays the answer transfer request operation screen 45 on the terminal display unit 101. The response transfer request operation screen 45 displays a screen title “response transfer request”, a response transfer request item column 451, and an execution button 453.

  The answer transfer request item column 451 includes items of “question”, “answer”, and “correction contents”, and a square check box 452 is provided at the head of each item. By adding a check mark to the check box 452, the item can be selected, and the transfer of the contents of the selected item can be requested. The execution button 453 can be pressed to request the terminal control device 20 to transfer the contents of the selected item.

  When the execution button 453 is pressed, the electronic terminal 10a transmits an answer transfer request for requesting transfer of the content of the selected item to the terminal control device 20. The response transfer request is information requesting transfer of the contents of the selected item. When receiving a response transfer request from the electronic terminal 10a, the terminal control device 20 transmits the received response transfer request to the electronic blackboard 30b. When the electronic blackboard 30b receives the answer transfer request from the terminal control device 20, the electronic blackboard 30b transmits the content of the selected item indicated by the received answer transfer request to the terminal control device 20 as an answer. When receiving an answer from the electronic blackboard 30b, the terminal control device 20 transmits the received answer to the electronic terminal 10a. When receiving an answer from the terminal control device 20, the electronic terminal 10 a stores the received answer in the terminal question / answer storage unit 115.

  FIG. 9 is a diagram for explaining a display procedure of stored answer contents. FIG. 9A is a diagram illustrating an answer display request operation screen 46 displayed on the terminal display unit 101. The answer display request operation screen 46 is displayed, for example, by pressing an answer display button displayed on the terminal display unit 101. The answer display request operation screen 46 displays a screen title “answer display”, an answer display request item field 461, and an execution button 463.

  The answer display request item column 461 includes “question”, “answer”, and “correction content” items, and a square check box 462 is provided at the head of each item. By adding a check mark to the check box 462, the item can be selected, and display of the selected item can be requested. The execution button 463 can be requested to display the contents of the selected item when pressed.

  FIG. 9B is a diagram showing the answer display screen 47 displayed on the terminal display unit 101. When any item is selected in the answer display request item column 461 and the execute button 463 is pressed, an answer display screen 47 is displayed on the terminal display unit 101. On the answer display screen 47 shown in FIG. 9B, a question field 471, an answer field 472, and an execution button 473 are displayed. The question column 471 is a column for displaying the contents of the question. The answer column 472 is a column for displaying the contents of the answer, evaluation, and correction. In the answer column 472 shown in FIG. 9B, the same contents as the answer, evaluation, and correction displayed on the electronic blackboard 30b shown in FIG. 7 are displayed.

  FIG. 10 is a diagram for explaining a procedure for transferring the response contents to the other electronic terminal 10b. The other electronic terminal 10b is any one of the remaining electronic terminals 10 excluding the electronic terminal 10a to be linked. In other words, the other electronic terminal 10b is an electronic terminal 10 that is not an object to be linked.

  If the electronic terminal 10 is not a target to be linked, for example, when the student selects an answer transfer request from a menu displayed on the terminal display unit 101, an answer transfer request screen 48 is displayed. The response transfer request screen 48 displays a screen title “response transfer request” and an execution button 483. By pressing the execute button 483, a transferable item request for requesting transfer of transferable items can be transmitted to the terminal control device 20. The execution button 483 is a drawing information request instruction unit. The transferable item request is a drawing information request.

  When receiving the transferable item request from the electronic terminal 10b, the terminal control device 20 reads the transferable item from the control transferable item storage unit 214 when the transferable item is stored in the control transferable item storage unit 214. The transferred transferable item is transmitted to the electronic terminal 10b. When receiving the transferable item request from the electronic terminal 10b, the terminal control device 20 transmits the transferable item request to the electronic blackboard 30b when the transferable item is not stored in the control transferable item storage unit 214. And the terminal control apparatus 20 will transmit the transferable item received to the electronic terminal 10b, if the transferable item is received from the electronic blackboard 30b.

  When receiving the transferable item from the terminal control device 20, the electronic terminal 10 b stores the received transferable item in the terminal transferable item storage unit 114 and displays the received transferable item as the response transfer request operation screen 45. . The procedure for storing the response contents on the response transfer request operation screen 45 is the same as that of the response transfer request operation screen 45 shown in FIG. 8, and a description thereof will be omitted to avoid duplication.

  FIG. 11 is a diagram showing a format 50 of answer information generated by the question assignment application. The answer information generated by the question assignment application is passed from the question assignment application to the electronic blackboard linked application, that is, the control program in the format 50 shown in FIG.

  The response information format 50 includes an application name 51, a question item 52, an answer item 53, a correction item 54, a correct answer item 55, and an overall (screen capture) item 56. The application name 51 is the name of the application program that generated the answer information. In the present embodiment, the application name 51 is “question application”.

  The question item 52 is an item representing the question, that is, the content of the question, which is given by the question assignment application. The answer item 53 is an item representing the content of the answer entered by the student in the answer field 44. The correction item 54 is an item representing the content of correction input by the teacher to the answer answered in the answer field 44. The correct answer item 55 is a correct answer prepared in advance by the question assignment application. The contents of the items 52 to 55 of question, answer, correction and correct answer are stored as a file, and the format and file name are shown. The format is the file format of the file in which the contents of each item are stored, and the file name is the name of the file in which the contents of each item are stored. The file format includes, for example, a text format and an image format.

  The whole (screen capture) item 56 selects whether to capture the entire image of the question, answer, evaluation, and correction contents drawn on the blackboard display unit 301, that is, to capture and store as a file It is an item to be. When “Yes” is selected, the entire image is captured and stored, and when “No” is selected, the entire image is not captured and stored. When “Yes” is selected, the file name for storing the captured image is shown.

  FIG. 12 is a diagram illustrating another example of the operation buttons displayed on the electronic blackboard 30. An answer complete button 352 and a cancel button 353 are displayed on the display screen shown in FIG. The answer completion button 352 and the cancel button 353 are operation buttons operated by the teacher. The answer completion button 352 is operated by the teacher when the answer to the question and the input of evaluation and correction to the answer are completed. The cancel button 353 is operated by the teacher when canceling the answer to the question and the input of evaluation and correction for the answer.

  FIG. 13 is a diagram illustrating an operation sequence of an association procedure performed between apparatuses. The association procedure is a procedure for associating the electronic terminal 10 to be linked with the electronic blackboard 30 to be linked.

  In the sequence S1, the terminal control device 20 transmits a question assignment application activation request (hereinafter also referred to as “problem application activation request”) to all the electronic blackboards 30, for example, the electronic blackboard 30a and the electronic blackboard 30b. In sequence S <b> 2, when all the electronic blackboards 30, for example, the electronic blackboard 30 a and the electronic blackboard 30 b receive the problem application activation request from the terminal control device 20, they each activate the problem application and transmit activation completion to the terminal control device 20. .

  In sequence S3, the terminal control device 20 transmits a question display request to the electronic blackboard 30a and the electronic blackboard 30b when receiving the activation end from each of the electronic blackboard 30a and the electronic blackboard 30b. In sequence S <b> 4, when the electronic blackboard 30 a and the electronic blackboard 30 b receive the question display request from the terminal control device 20, the electronic blackboard 30 a and the electronic blackboard 30 b display the question on the blackboard display unit 301.

  In sequence S5, the terminal control device 20 transmits an answer button display request to all the electronic terminals 10, for example, the electronic terminal 10a and the electronic terminal 10b, and to all the electronic blackboards 30, for example, the electronic blackboard 30a and the electronic blackboard 30b. In sequence S <b> 6, when receiving an answer button display request from the terminal control device 20, the electronic terminal 10 a and the electronic terminal 10 b each display an answer button 151. In sequence S <b> 7, when the electronic blackboard 30 a and the electronic blackboard 30 b receive the answer button display request from the terminal control device 20, each of them displays the answer button 351.

  In sequence S <b> 8, when the student presses the answer button 151, the electronic terminal 10 a transmits a request for interlocking with the electronic blackboard 30 to the terminal control device 20. In sequence S <b> 9, when the terminal control device 20 receives the interlock request with the electronic blackboard 30 from the electronic terminal 10, the electronic terminal 10 that transmitted the interlock request received first, in this case, the electronic terminal 10 a is selected as the interlock target. The information is registered in the association information storage unit 212 as the electronic terminal 10. In sequence S <b> 10, the terminal control device 20 transmits terminal registration completion to the electronic terminal 10 that is not to be linked, in this case, the electronic terminal 10 b. When receiving the terminal registration completion, the electronic terminal 10b deletes the displayed answer button 151.

  In sequence S11, when one electronic blackboard 30, for example, the electronic blackboard 30a is selected by the student or teacher and the answer button 351 on the electronic blackboard 30a is pressed, the electronic blackboard 30a sends the interlock request and the transferable item to the terminal control device. 20 to send. In sequence S12, when the terminal control device 20 receives the interlocking request and the transferable item from the electronic blackboard 30, the electronic blackboard 30 that transmitted the interlocking request received first, in this case, the electronic blackboard 30a, The blackboard 30 is registered in the association information storage unit 212. The terminal control device 20 stores the received transferable item in the control transferable item storage unit 214.

  In sequence S <b> 13, the terminal control device 20 transmits the registered blackboard to the electronic blackboard 30 that is not to be linked, in this case, the electronic blackboard 30 b. When the electronic blackboard 30b receives the registered blackboard, the electronic blackboard 30b deletes the displayed answer button 351. In sequence S <b> 14, the terminal control device 20 performs an association process between the electronic terminal 10 a (referred to as “terminal” in the figure) and the electronic blackboard 30 a. Specifically, the terminal control device 20 associates the electronic terminal 10a to be linked registered in the linking information storage unit 212 with the electronic blackboard 30a to be linked registered in the linking information storage unit 212.

  In sequence S15, the student enters an answer by touching the blackboard display unit 301 to the question displayed on the blackboard display unit 301 of the electronic blackboard 30a in sequence S4. In sequence S <b> 16, the teacher enters evaluation and correction by touching the blackboard display unit 301 with respect to the answer written by the student. In sequence S <b> 17, when the teacher operates the answer completion button 352, the electronic blackboard 30 a transmits answer completion to the terminal control device 20.

  In sequence S18, when the terminal control device 20 receives the response completion from the electronic blackboard 30a, the terminal control device 20 transmits the response completion to the electronic terminal 10a, and subsequently reads the transferable items from the control transferable item storage unit 214 and transfers the read transfer. The possible items are transmitted to the electronic terminal 10a. In sequence S <b> 19, upon receiving the reply completion and transferable items from the terminal control device 20, the electronic terminal 10 a saves, that is, stores the received transferable items in the terminal transferable item storage unit 114.

  FIG. 14 is a flowchart illustrating a processing procedure of transferable item acquisition processing executed by the electronic terminal 10. The transferable item acquisition process is a process in which the electronic terminal 10 transmits a link request and acquires a transferable item. When the power of the electronic terminal 10 is turned on and the terminal MPU 100 becomes operable, the terminal MPU 100 proceeds to Step A1.

  In step A1, the terminal MPU 100 determines whether or not there is a response button display request. When receiving a response button display request from the terminal control device 20, the terminal MPU 100 determines that there is a response button display request, proceeds to step A2, and returns a response when no response button display request is received from the terminal control device 20. It is determined that there is no button display request, and the process returns to Step A1. In step A2, the terminal MPU 100 displays the answer button 151 on the terminal display unit 101 as shown in FIG.

  In step A <b> 3, the terminal MPU 100 determines whether or not the answer button 151 displayed on the terminal display unit 101 has been touched by the pointing tool on the terminal touch panel 104, that is, has been pressed. The terminal MPU 100 proceeds to step A4 when the answer button 151 is touched by the pointing tool, and proceeds to step A8 when the answer button 151 is not touched by the pointing tool. In step A4, the terminal MPU 100 transmits a request for interlocking with the electronic blackboard to the terminal control device 20. When a student responds on the electronic blackboard 30 that has transmitted the request for interlocking with the electronic blackboard by transmitting the request for interlocking with the electronic blackboard, the student who made the response declares it to other students and teachers become. Steps A3 and A4 are transmission steps.

  In step A5, the terminal MPU 100 waits until the reply operation on the electronic blackboard 30 is completed. The terminal MPU 100 determines that the reply operation on the electronic blackboard 30 has been completed when the reply completion is received from the terminal control device 20, proceeds to step A6, and when the reply completion is not received, the reply on the electronic blackboard 30 It is determined that the operation has not been completed, and the process returns to step A5. In step A <b> 6, the terminal MPU 100 receives transferable items from the terminal control device 20. In step A7, the terminal MPU 100 stores, that is, stores the received transferable item in the terminal transferable item storage unit 114, and proceeds to step A30 of the flowchart shown in FIG.

  In step A8, the terminal MPU 100 determines whether registration of another terminal has been received. When the terminal MPU 100 receives the terminal registration from the terminal control device 20, the terminal MPU 100 determines that the registration of another terminal has been received, proceeds to step A9, and when the terminal MPU 100 does not receive the terminal registration from the terminal control device 20, the other It is determined that the registration of the terminal has not been received, and the process returns to step A3. In step A3 and step A8, the terminal MPU 100 waits until the answer button 151 is touched or terminal registration completion is received from the terminal control device 20. In step A9, the terminal MPU 100 that has received terminal registration deletes the answer button 151 displayed on the terminal display unit 101, and proceeds to step A30 of the flowchart shown in FIG.

  FIG. 15 is a flowchart showing the processing procedure of the association processing executed by the terminal control device 20. The association process is a process in which the terminal control device 20 associates the electronic terminal 10 to be linked with the electronic blackboard 30 to be linked. The control MPU 200 proceeds to Step B1 when the terminal control device 20 is powered on and becomes operable.

  In step B <b> 1, the control MPU 200 transmits a question assignment application activation request to the all electronic blackboard 30. In step B2, the control MPU 200 determines whether or not the problem application has been activated. The control MPU 200 determines that the activation of the problem application has been completed when the activation completion is received from all the electronic blackboards 30, proceeds to step B3, and activates the problem application when the activation completion is not received from all the electronic blackboards 30. Is not completed, the process returns to step B2 and waits in step B2 until the start of the problematic application is received from all the electronic blackboards 30.

  In step B <b> 3, the control MPU 200 transmits a question display request to the all electronic blackboard 30. In step B <b> 4, the control MPU 200 transmits an answer button display request to all the electronic terminals 10 and all the electronic blackboards 30. In step B5, the control MPU 200 initializes the electronic terminal answer button instruction flag T and the electronic blackboard answer button instruction flag W to “0”. When the electronic terminal answer button instruction flag T and the electronic blackboard answer button instruction flag W are “0”, it indicates that there is no instruction by the answer button 151 or the answer button 351, that is, the association is not completed. "1" indicates that there is an instruction from the answer button 151 or the answer button 351, that is, the association is completed.

  In step B6, the control MPU 200 puts the association request from the electronic terminal 10 and the electronic blackboard 30, that is, the interlock request into a state where it can be received, that is, the state where the interlock request is accepted. In step B7, the control MPU 200 determines whether or not a linking request has been received. When the control MPU 200 receives the linking request, the control MPU 200 proceeds to step B8. When the linking request is not received, the control MPU 200 returns to step B7, and issues the linking request from the electronic terminal 10 and the linking request from the electronic blackboard 30. Wait for reception.

  In step B8, the control MPU 200 determines whether or not the electronic terminal answer button instruction flag T is “1”. The control MPU 200 proceeds to step B13 when the electronic terminal answer button instruction flag T is “1”, and proceeds to step B9 when the electronic terminal answer button instruction flag T is not “1”.

  In step B9, the control MPU 200 determines whether or not there is answer button pressing information of the electronic terminal 10. When the linking request received in step B7 is the linking request from the electronic terminal 10, the control MPU 200 determines that there is answer button press information of the electronic terminal 10, proceeds to step B10, and receives it in step B7. When the linking request is not a linking request from the electronic terminal 10, it is determined that there is no answer button pressing information of the electronic terminal 10, and the process proceeds to Step B13. Steps B9 and B10 are control steps.

  In step B10, the control MPU 200 sets the electronic terminal answer button instruction flag T to “1”, and stores, that is, stores the electronic terminal information in the association information storage unit 212. The electronic terminal information includes electronic terminal identification information of the electronic terminal 10 that has transmitted the received link request, for example, a terminal name and an Internet Protocol (Internet Protocol: abbreviated “IP”) address of the electronic terminal 10 that has transmitted the received link request, Alternatively, it includes a media access control (Media Access Control: abbreviated “MAC”) address. That is, the control MPU 200 registers the electronic terminal 10 that has transmitted the received interlocking request as the electronic terminal 10 to be interlocked by storing the electronic terminal information in the association information storage unit 212.

  In step B11, the control MPU 200 transmits terminal registration completion (referred to as “registered” in the figure) to another electronic terminal 10. In step B12, the control MPU 200 determines whether or not the electronic blackboard answer button instruction flag W is “1”. The control MPU 200 proceeds to step B17 when the electronic blackboard answer button instruction flag W is “1”, and returns to step B7 when the electronic blackboard answer button instruction flag W is not “1”.

  In step B <b> 13, the control MPU 200 determines whether or not there is answer button pressing information on the electronic blackboard 30. When the linking request received in step B7 is the linking request from the electronic blackboard 30, the control MPU 200 determines that there is answer button pressing information on the electronic blackboard 30, and proceeds to step B14, which is received in step B7. When the association request is not an association request from the electronic blackboard 30, it is determined that there is no answer button pressing information on the electronic blackboard 30, and the process returns to step B7.

  In step B14, the control MPU 200 sets the electronic blackboard answer button instruction flag W to “1”, and saves, that is, stores the electronic blackboard information in the association information storage unit 212 and the control transferable item storage unit 214. The electronic blackboard information includes electronic blackboard identification information of the electronic blackboard 30 that transmitted the received interlocking request, for example, the device name, the IP address or MAC address of the electronic blackboard 30 that transmitted the received interlocking request, and transferable items. That is, the control MPU 200 stores the electronic blackboard information in the association information storage unit 212 to register the electronic blackboard 30 that has transmitted the received interlocking request as the electronic blackboard 30 to be interlocked, and is transmitted from the electronic blackboard 30. The transferable items of the electronic blackboard 30 are registered by storing the transferable items in the control transferable item storage unit 214.

  In step B15, the control MPU 200 transmits the blackboard registered (referred to as “registered” in the figure) to another electronic blackboard 30 (referred to as “blackboard” in the figure). In Step B16, the control MPU 200 determines whether or not the electronic terminal answer button instruction flag T is “1”. The control MPU 200 proceeds to step B17 when the electronic terminal answer button instruction flag T is “1”, and returns to step B7 when the electronic terminal answer button instruction flag T is not “1”.

  In step B17, the control MPU 200 performs a linking process. Specifically, the control MPU 200 associates the electronic terminal information stored in the association information storage unit 212 with the electronic blackboard information stored in the association information storage unit 212. That is, the terminal control device 20 associates the interlocked electronic terminal 10a registered in the association information storage unit 212 with the association target electronic blackboard 30a registered in the association information storage unit 212.

  In step B18, the control MPU 200 waits until correction on the electronic blackboard 30 to be linked is completed. When the control MPU 200 receives the answer completion from the electronic blackboard 30, it determines that the correction on the electronic blackboard 30 has been completed, proceeds to step B19, and when the response completion is not received from the electronic blackboard 30, the control MPU 200 It is determined that the correction is not completed, and the process returns to Step B18. In step B19, the control MPU 200 transmits the transfer completion item stored in the control transferable item storage unit 214 in step B14 to the link completion electronic terminal 10, and proceeds to step B30 of the flowchart shown in FIG. .

  FIG. 16 is a flowchart showing a processing procedure of answer processing executed by the electronic blackboard 30. The answer process is a process in which the electronic blackboard 30 transmits an interlocking request to answer and correct the question. When the electronic blackboard 30 is turned on and is ready for operation, the blackboard MPU 300 proceeds to step C1.

  In step C1, the blackboard MPU 300 determines whether a problem application activation request has been received. The blackboard MPU 300 proceeds to step C2 when the problem application activation request is received, and returns to step C1 when it does not receive the problem application activation request, and waits until it receives the problem application activation request from the terminal control device 20. In step C <b> 2, the blackboard MPU 300 activates the problem application and transmits activation completion to the terminal control device 20.

  In step C3, the blackboard MPU 300 determines whether a question display request has been received. When the blackboard MPU 300 receives the question display request, the blackboard MPU 300 proceeds to step C4. When the blackboard MPU 300 does not receive the question display request, the blackboard MPU 300 returns to step C3 and waits until the question display request is received from the terminal control device 20. In step C <b> 4, the blackboard MPU 300 displays the question on the blackboard display unit 301 and transmits the question display completion to the terminal control device 20.

  In step C5, the blackboard MPU 300 determines whether an answer button display request has been received. When the blackboard MPU 300 receives the answer button display request, the blackboard MPU 300 proceeds to step C6. When the answer button display request is not received, the blackboard MPU 300 returns to step C5 and waits until the answer button display request is received from the terminal control device 20. In step C <b> 6, the blackboard MPU 300 displays the answer button 351 on the blackboard display unit 301.

  In step C <b> 7, the blackboard MPU 300 determines whether or not the answer button 351 displayed on the blackboard display unit 301 has been touched by the pointing tool on the blackboard touch panel 304, that is, has been pressed. The blackboard MPU 300 proceeds to step C8 when the answer button 351 is touched by the pointing tool, and proceeds to step C13 when the answer button 351 is not touched by the pointing tool. In step C <b> 8, the blackboard MPU 300 transmits a request for interlocking with the electronic terminal 10 and a transferable item to the terminal control device 20. In step C9, the blackboard MPU 300 displays an answer completion button 352 and a cancel button 353 on the blackboard display unit 301 as shown in FIG. Steps C7 and C8 are second transmission steps.

  In step C10, the blackboard MPU 300 determines whether or not a cancel operation has been performed. When the cancel button 353 is pressed, the blackboard MPU 300 determines that there is a cancel operation, and proceeds to step C15. When the cancel button 353 is not pressed, the blackboard MPU 300 determines that there is no cancel operation and proceeds to step C11. In step C11, the blackboard MPU 300 determines whether or not an answer completion operation has been performed. When the answer completion button 352 is pressed, the blackboard MPU 300 determines that there is an answer completion operation, and proceeds to step C12. When the answer completion button 352 is not pressed, the blackboard MPU 300 determines that there is no answer completion operation, and step C10 Return to.

  In Step C12, the blackboard MPU 300 transmits the reply completion information to the terminal control device 20, and proceeds to Step C30 of the flowchart shown in FIG. The answer completion information is information indicating that the answer completion button 352 has been operated, and is the above-described answer completion. In step C <b> 13, the blackboard MPU 300 determines whether an answer operation has been performed on another electronic blackboard 30. When the blackboard MPU 300 receives the registered blackboard from the terminal control device 20, the blackboard MPU 300 determines that the other electronic blackboard 30 has performed an answer operation, proceeds to step C14, and has not received the registered blackboard from the terminal control device 20. When it is determined that there is no answer operation on the other electronic blackboard 30, the process returns to step C7. The blackboard MPU 300 waits until the answer button 351 is touched or the blackboard registration completion is received from the terminal control device 20 in step C7 and step C13.

  In Step C14, the blackboard MPU 300 that has received the registered blackboard erases the answer button 351 displayed on the blackboard display unit 301 and returns to Step C3. In step C15, the blackboard MPU 300 transmits the response cancellation information to the terminal control device 20, erases the response button 351, and returns to step C3. The answer cancellation information is information indicating that the cancel button 353 has been operated.

  FIG. 17 is a diagram illustrating an operation sequence of an answer storage procedure performed between apparatuses. The answer storage procedure is a procedure in which the electronic terminal 10 to be linked acquires and stores the questions presented on the electronic blackboard 30 to be linked, the answers to the questions, and the contents of corrections to the answers.

  In sequence S <b> 30, the electronic terminal 10 transmits a transferable item request to the terminal control device 20. In sequence S31, the terminal control device 20 transmits a transferable item to the electronic terminal 10 that has transmitted the received transferable item request. When receiving the transferable item from the terminal control device 20, the electronic terminal 10 stores the received transferable item in the terminal transferable item storage unit 114. Sequence S30 and sequence S31 are procedures performed in the case of the electronic terminal 10 that is not the target of linkage.

  In sequence S <b> 32, the electronic terminal 10 reads a transferable item from the terminal transferable item storage unit 114 and displays the read transferable item on the terminal display unit 101. In sequence S <b> 33, the student selects an answer transfer item from the transferable items displayed on the terminal display unit 101. The answer transfer item is an item that requests transfer among transferable items. In sequence S <b> 34, the electronic terminal 10 transmits an answer transfer request to the terminal control device 20. The answer transfer request requests transfer of the contents of the answer transfer item.

  In sequence S35, when the terminal control device 20 receives the response transfer request from the electronic terminal 10, the response content (referred to as “content” in the figure), that is, the content of the response transfer item is not stored in the terminal control device 20. In this case, the electronic blackboard 30 is requested for the answer contents. That is, the terminal control device 20 transmits a response content transfer request to the electronic blackboard 30. In sequence S <b> 36, upon receiving a response content transfer request from the terminal control device 20, the electronic blackboard 30 transmits the response content, that is, the content of the response transfer item, to the terminal control device 20.

  In sequence S <b> 37, when receiving the response content from the electronic blackboard 30, the terminal control device 20 transmits the received response content to the electronic terminal 10. In sequence S <b> 38, when the electronic terminal 10 receives the response content from the terminal control device 20, the electronic terminal 10 stores the received response content in the terminal question / answer storage unit 115, that is, stores it.

  FIG. 18 is a flowchart illustrating a processing procedure of answer acquisition processing executed by the electronic terminal 10. The answer acquisition process is a process in which the electronic terminal 10 to be linked acquires and stores an answer. After step A7 or step A9 of the flowchart shown in FIG. 14 is executed, the process proceeds to step A30.

  In step A30, the terminal MPU 100 determines whether or not an answer transfer request operation has been performed. For example, when an answer transfer request is selected from a menu displayed on the terminal display unit 101, the terminal MPU 100 determines that there has been an operation for an answer transfer request, proceeds to step A31, and from the menu displayed on the terminal display unit 101 When the answer transfer request is not selected, it is determined that there is no answer transfer request operation, and the process proceeds to step A60 of the flowchart shown in FIG.

  In step A31, the terminal MPU 100 determines whether or not the own electronic terminal 10 is a specific person's terminal. When the terminal MPU 100 receives the transferable item from the terminal control device 20 and stores it in the terminal transferable item storage unit 114, the terminal MPU 100 determines that the own electronic terminal 10 is the specific person's terminal, and proceeds to step A34. When the transferable item is not received from the terminal control device 20 and the transferable item is not stored in the terminal transferable item storage unit 114, it is determined that the own electronic terminal 10 is not a specific person's terminal, and the process proceeds to step A32. move on.

  In step A <b> 32, the terminal MPU 100 transmits a transferable item request to the terminal control device 20. In step A <b> 33, the terminal MPU 100 determines whether a transferable item has been received from the terminal control device 20. When receiving a transferable item from the terminal control device 20, the terminal MPU 100 stores the received transferable item in the terminal transferable item storage unit 114, proceeds to step A34, and receives the transferable item from the terminal control device 20. If not, the process returns to step A33. In step A34, the terminal MPU 100 reads transferable items from the terminal transferable item storage unit 114, and displays the read transferable items on the terminal display unit 101 as an answer transfer request operation screen 45 as shown in FIG. To do.

  In step A35, the terminal MPU 100 determines whether or not an operation for selecting an answer transfer item has been performed. When the check box 452 shown in the answer transfer request operation screen 45 is checked, the terminal MPU 100 determines that an operation for selecting an answer transfer item has been performed, and proceeds to step A42 to answer the request transfer request operation screen 45. When the check box 452 shown in FIG. 5 is not checked, it is determined that the operation for selecting the answer transfer item has not been performed, and the process proceeds to step A36.

  In step A36, the terminal MPU 100 determines whether or not an execution operation has been performed. When the execution button 453 shown on the answer transfer request operation screen 45 is operated, the terminal MPU 100 determines that the execution operation has been performed, proceeds to step A37, and operates the execution button 453 shown on the answer transfer request operation screen 45. If not, it is determined that the execution operation has not been performed, and the process returns to step A35.

  In step A37, the terminal MPU 100 determines whether there is an item setting. When the selection item is set, the terminal MPU 100 determines that there is an item setting, and proceeds to step A38. When the selection item is not set, the terminal MPU 100 determines that there is no item setting and returns to step A30. In Step A38, the terminal MPU 100 transmits an answer transfer request to the terminal control device 20. In step A39, the terminal MPU 100 determines whether or not reception of the response content has been completed. The terminal MPU 100 proceeds to step A40 when reception of the response content is completed, returns to step A39 when reception of the response content is not completed, and waits until reception of the response content is completed.

  In step A40, the terminal MPU 100 stores, that is, stores the received response content in the terminal question / answer storage unit 115. In step A41, the terminal MPU 100 displays an answer display button on the terminal display unit 101, and proceeds to step A60 of the flowchart shown in FIG. The answer display button is an operation button for displaying the answer display request operation screen 46. In step A42, the terminal MPU 100 stores and sets the selection item, that is, the selected answer transfer item in the terminal main memory 109, and returns to step A35.

  FIG. 19 is a flowchart showing the procedure of the answer transfer process executed by the terminal control device 20. The answer transfer process is a process in which the terminal control device 20 transfers the answer contents. After step B19 of the flowchart shown in FIG. 15 is executed, the process proceeds to step B30.

  In step B30, the control MPU 200 determines whether or not there is an answer transfer request. The control MPU 200 determines that there has been an answer transfer request when receiving an answer transfer request from the electronic terminal 10, proceeds to step B31, and has not received an answer transfer request from the electronic terminal 10, Determine and proceed to step B37.

  In step B31, the control MPU 200 determines whether or not the response content (referred to as “response” in the figure) is stored. When the response content is stored in the control question / answer storage unit 213, the control MPU 200 determines that the response content is stored, proceeds to step B35, and stores the response content in the control question / answer storage unit 213. If not, it is determined that the response content has not been saved, and the process proceeds to step B32. In step B <b> 32, the control MPU 200 transmits an answer transfer request to the electronic blackboard 30.

  In step B33, the control MPU 200 determines whether or not the reception of the response content has been completed. The control MPU 200 proceeds to step B34 when reception of the response content is completed, and returns to step B33 when reception of the response content is not completed, and waits until the response content is received. In step B <b> 34, the control MPU 200 stores the received answer content in the control question / answer saving unit 213. In step B35, the control MPU 200 transmits the content of the response to the requested electronic terminal 10 (referred to as “terminal” in the figure), that is, the electronic terminal 10 that transmitted the response transfer request received in step B30.

  In step B36, the control MPU 200 determines whether or not a cancel operation has been performed. The control MPU 200 returns to step B3 of the flowchart shown in FIG. 15 when there is a cancel operation, and returns to step B30 when there is no cancel operation. In step B37, the control MPU 200 determines whether or not there is a transferable item request. When the control MPU 200 receives a transferable item request from the electronic terminal 10, the control MPU 200 determines that there is a transferable item request, proceeds to step B38, and when the transferable item request is not received from the electronic terminal 10, the control MPU 200 transfers the transferable item request. It is determined that there is no request, and the process returns to Step B30. In step B38, the control MPU 200 transmits a transferable item to the electronic terminal 10, and proceeds to step B36.

  FIG. 20 is a flowchart showing a processing procedure of an answer transmission process executed by the electronic blackboard 30. The response transmission process is a process in which the electronic blackboard 30 transmits the response content. The blackboard MPU 300 proceeds to Step C30 after Step C12 or Step C15 of the flowchart shown in FIG. 16 is executed.

  In step C30, the blackboard MPU 300 determines whether or not a response content request has been made. When the blackboard MPU 300 receives the answer transfer request, the blackboard MPU 300 determines that there is a request for answer contents, and proceeds to step C31. When the answer transfer request is not received, the blackboard MPU 300 determines that there is no answer contents request, and FIG. The process returns to step C3 of the flowchart shown. In step C31, the blackboard MPU 300 transmits the response content to the terminal control device 20, and returns to step C3 of the flowchart shown in FIG.

  FIG. 21 is a flowchart illustrating a processing procedure of answer display processing executed by the electronic terminal 10. The answer display process is a process in which the electronic terminal 10 displays the contents of the answer. The terminal MPU 100 proceeds to Step A60 after Step A41 of the flowchart shown in FIG. 18 is executed or after branching on YES in Step A30.

  In step A60, the terminal MPU 100 determines whether or not an answer display operation has been performed. When the answer display button displayed on the terminal display unit 101 is operated, the terminal MPU 100 determines that there is an answer display operation, proceeds to step A61, and when the answer display button displayed on the terminal display unit 101 is not operated. It is determined that there is no answer display operation, and the process proceeds to step A67. In step A61, the terminal MPU 100 displays a displayable content selection menu on the terminal display unit 101 as an answer display request operation screen 46, for example.

  In step A62, the terminal MPU 100 determines whether or not an operation for selecting an answer transfer item has been performed. The terminal MPU 100 determines that an operation for selecting an answer transfer item has been performed when a check mark is added to the check box 462 shown in the answer display request operation screen 46, and proceeds to step A 68, where the answer display request operation screen 46 is displayed. When the check box 462 shown in FIG. 4 is not checked, it is determined that the operation for selecting the answer transfer item has not been performed, and the process proceeds to step A63.

  In step A63, the terminal MPU 100 determines whether or not an execution operation has been performed. When the execution button 463 shown on the answer display request operation screen 46 is operated, the terminal MPU 100 determines that the execution operation has been performed, proceeds to step A64, and operates the execution button 463 shown on the answer transfer request operation screen 45. If not, it is determined that the execution operation has not been performed, and the process returns to step A62.

  In step A64, the terminal MPU 100 determines whether there is an item setting. When the selection item is set, the terminal MPU 100 determines that the item is set, and proceeds to step A65. When the selection item is not set, the terminal MPU 100 determines that the item is not set, and returns to step A61.

  In step A65, the terminal MPU 100 determines whether the setting item is stored. The terminal MPU 100 determines that the setting item is stored when the content of the set selection item is stored in the terminal question / answer storage unit 115, proceeds to step A66, and the content of the set selection item is When not stored in the terminal question / answer storage unit 115, it is determined that the setting item is not stored, and the process proceeds to step A69.

  In step A66, the terminal MPU 100 displays the content of the selected item on the terminal display unit 101, and returns to step A1 of the flowchart shown in FIG. In step A67, the terminal MPU 100 determines whether or not a cancel operation has been performed. The terminal MPU 100 returns to step A1 of the flowchart shown in FIG. 14 when there is a cancel operation, and returns to step A1 of the flowchart shown in FIG. 14 when there is no cancel operation.

  In step A68, the terminal MPU 100 stores and sets the selected item, that is, the selected answer transfer item in the terminal main memory 109, and returns to step A62. In step A69, the terminal MPU 100 displays an error on the terminal display unit 101, and returns to step A1 of the flowchart shown in FIG.

  In this way, the plurality of electronic blackboards 30 capable of drawing information, the plurality of electronic terminals 10, the operation of one of the plurality of electronic blackboards 30, and one of the plurality of electronic terminals 10. When the electronic blackboard 30 and the electronic terminal 10 are interlocked in the electronic blackboard interlocking system 1 including the terminal control device 20 that controls the operation of the two electronic terminals 10 in conjunction with each other, each electronic terminal 10 When the link request is instructed by the response button 151 and the response button 151 instructing to transmit the link request for requesting the link to the terminal control device 20, the instructed link request is sent to the terminal control device 20. Terminal MPU 100 for transmission. When the terminal control device 20 receives the interlock request from the terminal MPU 100 of the plurality of electronic terminals 10, the terminal control device 20 interlocks the electronic terminal 10 of the terminal MPU 100 that has transmitted the interlock request received first among the plurality of received interlock requests. The target electronic terminal 10 is assumed. Therefore, the electronic blackboard interlocking system 1 can interlock the electronic blackboard 30 and the specific electronic terminal 10.

  Further, the terminal control device 20 acquires the drawing information drawn on the electronic blackboard 30 to be interlocked, for example, the contents of questions, answers, and corrections from the electronic blackboard 30 to be interlocked, and the acquired drawing information is obtained as the interlocking target. To the electronic terminal 10. Therefore, the electronic blackboard interlocking system 1 can transmit information drawn on the electronic blackboard 30, for example, the contents of questions, answers, and corrections to the specific electronic terminal 10.

  Furthermore, each electronic terminal 10 further includes a terminal display unit 101 and a terminal touch panel 104 for performing a selection operation. Each electronic blackboard 30 classifies the drawing information into a plurality of items and draws each item, and stores item information representing the plurality of items, for example, transferable items. The terminal control device 20 acquires the item information from the electronic blackboard 30 to be linked, and transmits the acquired item information to the electronic terminal 10 to be linked. When receiving the item information from the terminal control device 20, the terminal MPU 100 of the electronic terminal 10 to be linked displays a plurality of items indicated by the received item information on the terminal display unit 101, and the plurality of items displayed on the terminal display unit 101. The selected item information indicating the item selected by the selection operation by the terminal touch panel 104 is transmitted to the terminal control device 20. Then, when the terminal control device 20 receives the selection item information from the terminal MPU 100 of the electronic terminal 10 to be linked, drawing information of the selected item indicated by the received selection item information is sent from the electronic blackboard 30 to be linked. The acquired drawing information is transmitted to the electronic terminal 10 to be linked. Accordingly, the electronic blackboard interlocking system 1 can transmit only the drawing information drawn on the electronic blackboard 30, for example, the drawing information about the selected item among the contents of the question, the answer, and the correction to the specific electronic terminal 10. .

  Furthermore, each electronic terminal 10 further includes an execution button 483 for instructing the terminal control device 20 to transmit a transferable item request for requesting drawing information. When the transferable item request is instructed by the execution button 483, the terminal MPU 100 transmits the transferable item request to the terminal control device 20. When receiving the transferable item request from the terminal MPU 100 of the electronic terminal 10 that is not the synchronization target, the terminal control device 20 acquires item information, for example, a transferable item, from the synchronization target electronic blackboard 30, and transfers the acquired item information. The possible item request is transmitted to the electronic terminal 10 that has not been linked. When the terminal MPU 100 of the electronic terminal 10 that is not the synchronization target acquires item information from the terminal control device 20, the terminal display unit 101 displays a plurality of items indicated by the acquired item information, and a plurality of items displayed on the terminal display unit 101 are displayed. The selected item information indicating the item selected by the selection operation by the terminal touch panel 104 is transmitted to the terminal control device 20. When the terminal control device 20 receives the selection item information from the terminal MPU 100 of the electronic terminal 10 that is not linked, the terminal control device 20 displays the drawing information of the selected item indicated by the received selection item information, for example, the contents of the question, the answer, and the correction. The drawing information acquired from the electronic blackboard 30 to be linked is transmitted to the electronic terminal 10 that is not the linkage target. Therefore, the electronic blackboard interlocking system 1 transmits only the drawing information drawn on the electronic blackboard 30 to the electronic terminals 10 that are not to be interlocked, for example, the drawing information on the selected item among the contents of questions, answers, and corrections. be able to.

  Further, each electronic blackboard 30 has a reply button 351 for instructing transmission of a second interlocking request for requesting interlocking with the electronic terminal 10 to the terminal control device 20, and a second interlocking request by the reply button 351. The blackboard MPU 300 that transmits the second interlocking request to the terminal control device 20. When receiving the second interlocking request from the blackboard MPU 300 of the plurality of electronic blackboards 30, the terminal control device 20 transmitted the second interlocking request received first among the plurality of received second interlocking requests. The electronic blackboard 30 of the blackboard MPU 300 is set as the electronic blackboard 30 to be interlocked. Therefore, the electronic blackboard interlocking system 1 can interlock the specific electronic blackboard 30 and the specific electronic terminal 10.

  Furthermore, a plurality of electronic blackboards 30 capable of drawing information, a plurality of electronic terminals 10, an operation of one electronic blackboard 30 among the plurality of electronic blackboards 30, and one electronic of the plurality of electronic terminals 10. A terminal control device 20 that controls the operation of the terminal 10 in conjunction with each other, and each electronic terminal 10 instructs the terminal control device 20 to transmit a link request for requesting the link with the electronic blackboard 30 Each of the electronic blackboards 30 includes a reply button 351 for instructing the terminal control device 20 to transmit a second interlocking request for requesting interlocking with the electronic terminal 10. In interlocking the electronic blackboard 30 and the electronic terminal 10 by the electronic blackboard interlocking method executed by the electronic blackboard interlocking system 1 including the MPU 300, in steps A3 and A4, Terminal MPU100 the terminal 10, the interlocking request is indicated by the reply button 151, and transmits the designated interlocked request to terminal control device 20. In steps B9 and B10, when the terminal control device 20 receives the interlock request from the terminal MPU 100 of the plurality of electronic terminals 10, the electronic of the terminal MPU 100 that has transmitted the interlock request received first among the plurality of received interlock requests. The terminal 10 is an electronic terminal 10 to be linked. In steps C7 and C8, when the second interlocking request is instructed by the answer button 351, the blackboard MPU 300 of each electronic blackboard 30 transmits the instructed second interlocking request to the terminal control device 20. Therefore, the electronic blackboard interlocking method can interlock the electronic blackboard 30 and the specific electronic terminal 10.

DESCRIPTION OF SYMBOLS 1 Electronic blackboard interlocking system 2 Network 10 Electronic terminal 20 Terminal control apparatus 30 Electronic blackboard 100 Terminal MPU
DESCRIPTION OF SYMBOLS 101 Terminal display part 102 Terminal image memory 103 Terminal image memory control part 104 Terminal touch panel 105 Terminal touch panel control part 106 Terminal key control part 107 Terminal audio input / output part 108 Terminal decoding encoding process part 109 Terminal main memory 110 Terminal external memory control part 111 Terminal external memory 112 Terminal communication processing unit 113 Terminal non-volatile memory control unit 114 Terminal transferable item storage unit 115 Terminal question / answer storage unit 116 Terminal program storage unit 117 Terminal speaker 118 Terminal microphone 121 Terminal operation key 200 Control MPU
DESCRIPTION OF SYMBOLS 201 Control display part 202 Control image memory 203 Control image memory control part 204 Mouse 205 Mouse control part 206 Control key control part 207 Control external memory 208 Control external memory control part 209 Control main memory 210 Control communication processing part 211 HDD control part 212 String Additional information storage unit 213 Control question / answer storage unit 214 Control transferable item storage unit 215 Control program storage unit 221 Keyboard 300 Blackboard MPU
301 Blackboard Display Unit 302 Blackboard Image Memory 303 Blackboard Image Memory Control Unit 304 Blackboard Touch Panel 305 Blackboard Touch Panel Control Unit 306 Blackboard Key Control Unit 307 Blackboard Voice Input / Output Unit 308 Blackboard Decode Encoding Processing Unit 309 Blackboard Main Memory 310 Blackboard External Memory Control Unit 311 Blackboard external memory 312 Blackboard communication processing unit 313 Blackboard non-volatile memory control unit 314 Linked information storage unit 315 Blackboard question / answer storage unit 316 Blackboard program storage unit 317 Blackboard speaker 318 Blackboard microphone 321 Blackboard operation key

Claims (5)

A plurality of electronic blackboard devices capable of drawing information; a plurality of terminal devices; an operation of one electronic blackboard device of the plurality of electronic blackboard devices; and an operation of one terminal device of the plurality of terminal devices; An electronic blackboard interlocking system including a control device for controlling the interlocking operation,
Each terminal device is instructed when an interlock request is instructed by the interlock request instructing unit and an interlock request instructing unit for instructing transmission of an interlock request for requesting interlock with the electronic blackboard device to the control device. A terminal control unit that transmits the interlocking request to the control device,
When the control device receives the interlocking request from the terminal control units of the plurality of terminal devices, the terminal device of the terminal control unit that transmitted the interlocking request received first among the plurality of received interlocking requests is the terminal device to be interlocked and,
The control device acquires drawing information drawn on the electronic blackboard device to be linked from the electronic blackboard device to be linked, and transmits the acquired drawing information to the terminal device to be linked,
Each of the terminal devices further includes a display unit and an operation unit for performing a selection operation,
Each electronic blackboard device classifies the drawing information into a plurality of items and draws each item, and stores item information representing the plurality of items,
The terminal control unit of the terminal device to be linked causes the display unit to display a plurality of items indicated by the item information, and selects an item selected by a selection operation by the operation unit from the plurality of items displayed on the display unit. Send the selected item information to the control device,
When the control device receives selection item information from the terminal control unit of the terminal device to be linked, the control device acquires drawing information of the selected item indicated by the received selection item information from the electronic blackboard device to be linked, An electronic blackboard interlocking system , wherein the acquired drawing information is transmitted to the interlocking target terminal device . The control device acquires the item information from the electronic blackboard device to be linked, transmits the acquired item information to the terminal device to be linked,
  The electronic blackboard according to claim 1, wherein when receiving the item information from the control device, the terminal control unit of the terminal device to be linked displays a plurality of items indicated by the received item information on the display unit. Interlocking system. Each of the terminal devices further includes a drawing information request instruction unit that instructs to send a drawing information request for requesting drawing information to the control device,
When the drawing information request is instructed by the drawing information request instruction unit, the terminal control unit transmits the drawing information request to the control device,
When the control device receives the drawing information request from the terminal control unit of the terminal device that is not the synchronization target, the control device acquires item information from the electronic blackboard device that is the synchronization target, and the acquired item information is the interlock that has received the drawing information request. Send to non-target terminal devices,
When the terminal control unit of the terminal device that is not the interlocking target acquires item information from the control device, the terminal control unit displays a plurality of items indicated by the acquired item information on the display unit, and from among the plurality of items displayed on the display unit Transmitting selection item information representing an item selected by a selection operation by the operation unit to the control device;
When the control device receives selection item information from the terminal control unit of the terminal device that is not the interlock target, the control device acquires drawing information of the selected item indicated by the received selection item information from the electronic blackboard device that is the interlock target, 3. The electronic blackboard interlocking system according to claim 1, wherein the acquired drawing information is transmitted to a terminal device that is not the interlocking target. Each of the electronic blackboard devices includes a second interlocking request instruction unit for instructing transmission of a second interlocking request for requesting interlocking with the terminal device to the control device, and a second interlocking request instruction unit. A blackboard controller that transmits a second interlocking request to the control device when there is an instruction for a second interlocking request;
When the control device receives a second interlock request from the blackboard controller of the plurality of electronic blackboard devices, the control device transmits the second interlock request received first among the plurality of received second interlock requests. The electronic blackboard interlocking system according to any one of claims 1 to 3, wherein the electronic blackboard device of the blackboard controller is an electronic blackboard device to be interlocked. A plurality of electronic blackboard devices capable of drawing information; a plurality of terminal devices; an operation of one electronic blackboard device of the plurality of electronic blackboard devices; and an operation of one terminal device of the plurality of terminal devices; A control device that controls the interlocking operation, and each terminal device includes a interlocking request instruction unit that instructs the control device to transmit a interlocking request for requesting interlocking with the electronic blackboard device, and a terminal control unit, Each blackboard device includes a second interlocking request instructing unit that instructs the control device to transmit a second interlocking request for requesting interlocking with the terminal device, and a blackboard control unit. An electronic blackboard interlocking method executed by the interlocking system,
When the terminal control unit of each terminal device is instructed by the interlocking request instruction unit, a transmission step of transmitting the instructed interlocking request to the control device;
When the control device receives the interlock request from the terminal control units of the plurality of terminal devices, the terminal device of the terminal control unit that transmitted the interlock request received first among the plurality of received interlock requests is the target terminal device to be interlocked And a control step
A second transmitting step in which the blackboard controller of each electronic blackboard device transmits the instructed second interlocking request to the control device when the second interlocking request is instructed by the second interlocking request instructing unit; The electronic blackboard interlocking method characterized by including.

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