JP2018055632A - Sharing terminal, communication system, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem, in which electronic file data such as a drawing image and the like is transmitted from a sharing terminal such as an electronic blackboard and the like to an external file management server where the transmitted electronic file data is stored, and as necessary, the electronic file data can be acquired from the file management server, but the sharing terminal such as the blackboard and the like are used by a plurality of users in waiting order, and thus, due to requirements of a lot of chores for acquiring desired electronic file data from the file management server, a time such as a conference, lesson and the like has been shortened.SOLUTION: In conjunction with login processing (S11 to S16) of a user A, electronic file data in an exclusive folder for the user itself is automatically acquired (S17 to S20) from a file management server 8, which in turn prevents a time such as a conference, lesson and the like from being shortened due to requirements of many chores for acquiring desired electronic file from the file management server 8.SELECTED DRAWING: Figure 11

Description

  The present invention relates to a shared terminal, a communication system, a communication method, and a program.

  In recent years, electronic blackboards that can be shared by multiple users have been installed in rooms such as corporate conference rooms and classrooms in educational institutions. This electronic blackboard has a large touch panel display, and displays a drawing image drawn by each user with a dedicated electronic pen or a finger. Thereby, each user came to be able to advance a meeting, a class, etc., seeing the same drawing image (refer to patent documents 1).

  Further, electronic file data such as a drawing image can be transmitted from a shared terminal such as an electronic blackboard to an external file management server and stored, and can be acquired from the file management server when necessary.

  However, since a shared terminal such as an electronic blackboard is used by a plurality of people waiting in turn, if it takes time to obtain desired electronic file data from the file management server, the time for meetings, classes, etc. is short. The problem arises.

  In order to solve the above-described problem, the invention according to claim 1 is a shared terminal that displays an image that can be browsed by a plurality of users, from the first dedicated terminal of the first user. Acquisition means for acquiring first terminal identification information for identifying a dedicated terminal, predetermined terminal identification information for identifying a predetermined dedicated terminal, and a predetermined terminal for identifying a user of the predetermined dedicated terminal A transmission unit that transmits a request for login authentication together with the first terminal identification information acquired by the acquisition unit to the terminal management server that associates and manages user identification information, and the first by the transmission unit The terminal management server performs login authentication by determining whether the terminal management server manages the first terminal identification information based on the transmission of the terminal identification information. Receiving means for receiving transmitted first user identification information for identifying the first user, wherein the transmission means includes the predetermined user identification information and the predetermined use. The first user identification information received by the receiving means is transmitted to a file management server that associates and manages a predetermined folder name of a dedicated folder storing predetermined electronic file data of the user, and the reception Based on the transmission of the first user identification information, the means transmits the first folder name of the first user indicated by the first user identification information transmitted by the file management server. A shared terminal that receives first electronic file data stored in a dedicated folder.

  Advantageous Effects of Invention According to the present invention, there is an effect that it is possible to prevent a time for a meeting, a class, and the like from being shortened by taking time and labor for obtaining desired electronic file data from a file management server.

It is the schematic of the communication system which concerns on this embodiment. It is a hardware block diagram of an electronic blackboard. It is a hardware block diagram of an IC card. It is a hardware block diagram of a smart phone. It is a hardware block diagram of a server and a PC. 2 is a hardware configuration diagram of an MFP. FIG. It is a hardware block diagram of a video conference terminal. It is an example of the screen displayed on the display of the electronic blackboard. It is a functional block diagram of a communication system. (A) is a conceptual diagram of a terminal management table, (B) is a conceptual diagram of a folder management table. It is the sequence diagram which showed the login process. It is an example of the screen displayed on the display of the electronic blackboard. It is the image figure which showed the state in which a user uses an electronic blackboard. It is a flowchart which shows the process based on the authentication result in the case of logging in. It is a flowchart which shows the reading process of electronic file data. It is an example of the screen displayed on the display of the electronic blackboard.

  Hereinafter, a communication system 1 according to the present embodiment will be described in detail with reference to the drawings.

<< Outline of system configuration >>
First, an outline of the configuration of the communication system 1 will be described. FIG. 1 is a schematic diagram of a communication system according to the present embodiment.

  As shown in FIG. 1, the communication system 1 of this embodiment includes an electronic blackboard 2x, an electronic blackboard 2y, an IC (Integrated Circuit) card 3, a smartphone 4, a terminal management server 5, a file management server 8, and a mail server. 7, a print server 8, an MFP (Multifunction Peripheral / Product / Printer) 9, PCs (Personal Computers) 10 a and 10 b, and a video conference terminal 13. In the following, of the electronic blackboard 2x and the electronic blackboard 2y, an arbitrary electronic blackboard is represented as “electronic blackboard 2”. Further, an arbitrary PC of the PCs 10a and 10b is represented as “PC10”.

  The electronic blackboard 2, the terminal management server 5, the file management server 8, the mail server 7, the print server 8, the MFP 9, the PC 10, and the video conference terminal 13 constituting the communication system 1 communicate via the communication network 100. Can do. The communication network 100 is constructed by the Internet, a mobile communication network, a LAN (Local Area Network) or the like. The communication network 100 may include not only wired communication but also a network based on wireless communication such as 3G (3rd Generation), WiMAX (Worldwide Interoperability for Microwave Access), and LTE (Long Term Evolution). The electronic blackboard 2, the IC card 3, and the smartphone 4 can communicate with each other by near field communication technology such as NFC (Near Field Communication) (registered trademark). Further, the smartphone 4 may communicate with the electronic blackboard 2 by a short-range communication technology such as Bluetooth (registered trademark).

  Further, the electronic blackboard 2x and the electronic blackboard 2y can transmit and receive drawing image data (hereinafter referred to as “drawing image data”), which is the content drawn by the user. Therefore, the content drawn on the electronic blackboard 2x is also displayed on the electronic blackboard 2y, and conversely, the content drawn on the electronic blackboard 2y is also displayed on the electronic blackboard 2x.

  Further, the electronic blackboard 2 can create image data in the RPCS (Refined Printing Command Stream) format from the drawing image data and transmit the image data to the MFP 9 via the communication network 100. Further, the electronic blackboard 2 can create PDF (Portable Document Format) format image data from the drawing image data and attach it to the e-mail, and then send the e-mail to the PC 10 via the communication network 100. Thereby, the MFP 9 can print a drawing image, and the PC 10 can display the drawing image.

  The electronic blackboard 2 can also display non-drawn images such as materials not drawn by the user. Also in this case, the electronic blackboard 2 can create image data in the RPCS format from non-drawn image data (hereinafter referred to as “non-drawn image data”), and can transmit the image data to the MFP 9 via the communication network 100. Further, the electronic blackboard 2 can create an image data in PDF format from non-drawn image data and attach it to an email, and then send the email to the PC 10 via the communication network 100.

  Note that the RPCS format image data and the PDF format image data are data related to an image as an original drawn image or an original non-drawn image. The electronic blackboard 2 is an example of a shared terminal, and a plurality of users can view (view) the same image at the same time. The IC card 3 and the smartphone 4 are examples of dedicated terminals. The MFP 9 is an example of a printing apparatus. The PC 10 is an example of a personal terminal. In addition to the RPCS format, a PCL (Printer Control Language) format, a PDL (Page Description Language) format, or a PS (PostScript) format may be used.

  In FIG. 1, the user A owns the IC card 3 and brings the IC card 3 to the conference using the electronic blackboard 2. The user B owns the smartphone 4 and brings the smartphone 4 to the conference using the electronic blackboard 2. The PC 10a is a PC owned by the user. The PC 10b is a PC owned by the user B. The electronic blackboard 2 has a video conference function, and can hold a video and audio conference with the video conference terminal 13 via the communication network 100.

  The terminal management server 5 manages a terminal ID (Identification) for identifying a dedicated terminal. The file management server 8 manages an electronic mail address of a PC owned by each user. The mail server 7 manages transmission / reception of electronic mail via the communication network 100. The print server 8 is a server for realizing so-called “secure printing”, and temporarily stores data (here, print data) relating to an image transmitted from the electronic blackboard 2 or the PC 10, and requests from the MFP 9. In response to this, data relating to the image is transmitted to the MFP 9.

<< Hardware configuration >>
Subsequently, a hardware configuration of an apparatus or a terminal that constructs the communication system 1 will be described with reference to FIGS. 2 to 7.

<Hardware configuration of electronic blackboard>
FIG. 2 is a hardware configuration diagram of the electronic blackboard. As shown in FIG. 2, the electronic blackboard 2 includes a CPU (Central Processing Unit) 201, a ROM (Read Only Memory) 202, a RAM (Random Access Memory) 203, an SSD (Solid State Drive) 204, a network controller 205. And an external device connection I / F (Interface) 206.

  Among these, the CPU 201 controls the overall operation of the electronic blackboard 2. The ROM 202 stores programs used for driving the CPU 201 such as the CPU 201 and IPL (Initial Program Loader). The RAM 203 is used as a work area for the CPU 201. The SSD 204 stores various data such as an electronic blackboard program. The network controller 205 controls communication with the communication network 100. The external device connection I / F 206 controls communication with a USB (Universal Serial Bus) memory 2600 and external devices (camera 2900, speaker 2800, microphone 2700).

  The electronic blackboard 2 includes a capture device 211, a GPU 212, a display controller 213, a contact sensor 214, a sensor controller 215, an electronic pen controller 216, a short-range communication circuit 219, and a short-range communication circuit 219 antenna 219 a.

  Among these, the capture device 211 displays the video information as a still image or a moving image on the display 508 of the PC 10. A GPU (Graphics Processing Unit) 212 is a semiconductor chip that specializes in graphics. The display controller 213 controls and manages screen display in order to output an output image from the GPU 212 to the display 220 or the like. The contact sensor 214 detects that the electronic pen 2500, the user's hand H, or the like has touched the display 220. The sensor controller 215 controls processing of the contact sensor 214. The contact sensor 214 performs input of coordinates and detection of coordinates by an infrared ray blocking method. In this coordinate input and coordinate detection method, two light receiving and emitting devices installed at both upper ends of the display 220 radiate a plurality of infrared rays in parallel with the display 220 and are provided around the display 253. This is a method of receiving light that is reflected by the reflecting member and returns on the same optical path as the light path emitted by the light receiving element. The contact sensor 214 outputs infrared IDs emitted from the two light receiving and emitting devices blocked by the object to the sensor controller 215, and the sensor controller 215 specifies the coordinate position that is the contact position of the object. The electronic pen controller 216 communicates with the electronic pen 2500 to determine whether or not there is a pen tip touch or a pen butt touch on the display 220. The short-range communication circuit 219 is a communication circuit such as NFC or Bluetooth.

  Further, the electronic blackboard 2 includes a bus line 210. The bus line 210 is an address bus, a data bus, or the like for electrically connecting components such as the CPU 201 shown in FIG.

  The contact sensor 214 is not limited to the infrared blocking method, and a capacitive touch panel that specifies a contact position by detecting a change in capacitance, and a contact position is specified by a voltage change between two opposing resistance films. Various detection means such as a resistive film type touch panel that detects the electromagnetic induction generated when the contact object touches the display unit and identifies the contact position may be used. Further, the electronic pen controller 216 may determine whether or not there is a touch on a part gripped by the user of the electronic pen 2500 and other electronic pen parts as well as the pen tip and the pen butt of the electronic pen 2500.

<Hardware configuration of IC card>
FIG. 3 is a hardware configuration diagram of the IC card. Here, a non-contact type configuration will be described, but a contact type may be used. As shown in FIG. 3, the IC card 3 includes an IC chip and an antenna coil 330. Further, the IC chip 310 includes a CPU 311, a ROM 312, a RAM 313, an EEPROM 314, and an antenna I / F 318.

  Among these, the CPU 311 controls the operation of the entire IC card 3. The ROM 312 stores a program used for driving the CPU 311. The RAM 313 is used as a work area for the CPU 311. An EEPROM (Electrically Erasable and Programmable ROM) 314 stores various data such as a program for the IC card 3 and a terminal ID for identifying the IC card 3. The antenna I / F 318 controls data transmission / reception with an external device via the antenna coil 330.

  Further, the IC card 3 includes a bus line 320. The bus line 320 is an address bus, a data bus, or the like for electrically connecting components such as the CPU 311 shown in FIG.

  The antenna coil 330 is a coil for generating a current by receiving the magnetism when the IC card 3 passes a magnetic field generated by an external device. The IC card 3 uses this electricity to activate the IC chip 310 and communicate with a reader / writer of an external device to acquire and provide data.

<Smartphone hardware configuration>
FIG. 4 is a hardware configuration diagram of the smartphone. As illustrated in FIG. 4, the smartphone 4 includes a CPU 401, a ROM 402, a RAM 403, an EEPROM 404, a CMOS sensor 405, an acceleration / direction sensor 406, a media I / F 408, and a GPS receiver 409.

  Among these, the CPU 401 controls the operation of the entire smartphone 4. The ROM 402 stores a program used for driving the CPU 401 such as the CPU 401 or IPL. The RAM 403 is used as a work area for the CPU 401. The EEPROM 404 reads or writes various data such as a smartphone program under the control of the CPU 401. A CMOS (Complementary Metal Oxide Semiconductor) sensor 405 captures a subject (mainly a self-portrait) under the control of the CPU 401 and obtains image data. The acceleration / direction sensor 406 is various sensors such as an electronic magnetic compass, a gyrocompass, and an acceleration sensor that detect geomagnetism. A media I / F 408 controls reading or writing (storage) of data with respect to a recording medium 407 such as a flash memory. The GPS receiver 409 receives GPS signals from GPS satellites.

  The smartphone 4 includes a long-distance communication circuit 411, a camera 412, an image pickup device I / F 413, a microphone 414, a speaker 415, a sound input / output I / F 416, a display 417, an external device connection I / F 418, a short-distance communication circuit 419, An antenna 419a of the near field communication circuit 419 and a touch panel 421 are provided.

  Among these, the long-distance communication circuit 411 is a circuit that communicates with other devices via the communication network 100. The camera 412 is a kind of built-in imaging unit that captures an image of a subject under the control of the CPU 401 and obtains image data. The image sensor I / F 413 is a circuit that controls driving of the camera 412. The microphone 414 is a kind of built-in sound collecting means for inputting sound. The sound input / output I / F 416 is a circuit that processes input / output of a sound signal between the microphone 414 and the speaker 415 under the control of the CPU 401. The display 417 is a type of display means such as a liquid crystal display or an organic EL display that displays an image of a subject, various icons, and the like. The external device connection I / F 418 is an interface for connecting various external devices. The short-range communication circuit 419 is a communication circuit such as NFC or Bluetooth. The touch panel 421 is a kind of input means for operating the smartphone 4 when the user presses the display 417.

  The smartphone 4 includes a bus line 410. The bus line 410 is an address bus, a data bus, or the like for electrically connecting components such as the CPU 401 shown in FIG.

<Hardware configuration of server and PC>
FIG. 5 is a hardware configuration diagram of the server and the PC. Since the terminal management server 5, the file management server 8, the mail server 7, the print server 8, and the PCs 10a and 10b have basically the same hardware configuration, the hardware configuration of the terminal management server 5 will be described here. To do. In the following description, the hardware configuration of the file management server 8, the mail server 7, the print server 8, and the PCs 10a and 10b will be described using the components shown in FIG.

  The terminal management server 5 is constructed by a computer, and as shown in FIG. 5, a CPU 501, ROM 502, RAM 503, HD 504, HDD (Hard Disk Drive) 505, recording medium 506, media I / F 507, display 508 , A network I / F 509, a keyboard 511, a mouse 512, a CD-ROM drive 514, and a bus line 510.

  Among these, the CPU 501 controls the operation of the entire terminal management server 5. The ROM 502 stores a program used for driving the CPU 501 such as IPL. The RAM 503 is used as a work area for the CPU 501. The HD 504 stores various data such as programs. An HDD (Hard Disk Drive) 505 controls reading or writing of various data to the HD 504 according to the control of the CPU 501. A media I / F 507 controls reading or writing (storage) of data with respect to a recording medium 506 such as a flash memory. The display 508 displays various information such as a cursor, menu, window, character, or image. A network I / F 509 is an interface for performing data communication using the communication network 100. The keyboard 511 is a kind of input means having a plurality of keys for inputting characters, numerical values, various instructions, and the like. The mouse 512 is a kind of input means for selecting and executing various instructions, selecting a processing target, moving a cursor, and the like. The CD-ROM drive 514 controls reading or writing of various data with respect to a CD-ROM (Compact Disc Read Only Memory) 513 as an example of a removable recording medium.

  The terminal management server 5 includes a bus line 510. The bus line 510 is an address bus, a data bus, or the like for electrically connecting each component such as the CPU 501 shown in FIG.

<Hardware configuration of MFP>
FIG. 6 is a hardware configuration diagram of the MFP. As shown in FIG. 6, the MFP 9 includes a controller 910, a near field communication circuit 920, an engine control unit 930, an operation panel 940, and a network I / F 950.

  Among these, the controller 910 includes a CPU 901 which is a main part of the computer, a system memory (MEM-P) 902, a north bridge (NB) 903, a south bridge (SB) 904, an ASIC (Application Specific Integrated Circuit) 906, and a storage unit. A local memory (MEM-C) 907, an HDD 908, and an HD 909 as a storage unit, and the NB 903 and the ASIC 906 are connected by an AGP (Accelerated Graphics Port) bus 921.

  Among these, the CPU 901 is a control unit that performs overall control of the MFP 9. The NB 903 is a bridge for connecting the CPU 901 to the MEM-P 902, the SB 904, and the AGP bus 921, and includes a memory controller that controls reading and writing to the MEM-P 902, a PCI (Peripheral Component Interconnect) master, and an AGP target. Have

  The MEM-P 902 includes a ROM 902a which is a memory for storing programs and data for realizing each function of the controller 910, and a RAM 902b which is used as a drawing memory for developing programs and data and printing memory. Note that the program stored in the RAM 902b is provided as a file in an installable or executable format and recorded on a computer-readable recording medium such as a CD-ROM, FD, CD-R, or DVD. You may comprise.

  The SB 904 is a bridge for connecting the NB 903 to a PCI device and peripheral devices. The ASIC 906 is an integrated circuit (IC) for image processing having hardware elements for image processing, and has a role of a bridge for connecting the AGP bus 921, the PCI bus 922, the HDD 908, and the MEM-C 907, respectively. The ASIC 906 includes a PCI target and an AGP master, an arbiter (ARB) that forms the core of the ASIC 906, a memory controller that controls the MEM-C 907, and a plurality of DMACs (Direct Memory Access Controllers) that rotate image data using hardware logic. And a PCI unit that performs data transfer via the PCI bus 922 between the scanner unit 931 and the printer unit 932. The ASIC 906 may be connected to a USB (Universal Serial Bus) interface or an IEEE 1394 (Institute of Electrical and Electronics Engineers 1394) interface.

  The MEM-C907 is a local memory used as a copy image buffer and a code buffer. The HD 909 is a storage for accumulating image data, accumulating font data used during printing, and accumulating forms. The HD 909 controls reading or writing of data with respect to the HD 909 according to the control of the CPU 901. The AGP bus 921 is a bus interface for a graphics accelerator card that has been proposed to speed up graphics processing. By directly accessing the MEM-P 902 with high throughput, the graphics accelerator card can be sped up. .

  The short-range communication circuit 920 includes a short-range communication circuit 920a. The short-range communication circuit 920 is a communication circuit such as NFC or Bluetooth.

  Further, the engine control unit 930 includes a scanner unit 931 and a printer unit 932. Further, the operation panel 940 displays a current setting value, a selection screen, and the like, and a panel display unit 940a such as a touch panel that receives an input from the operator, and setting values for conditions relating to image formation such as density setting conditions. An operation panel 940b including a numeric key to be received and a start key to receive a copy start instruction is provided. The controller 910 controls the entire MFP 9 and controls, for example, drawing, communication, input from the operation panel 940, and the like. The scanner unit 931 or the printer unit 932 includes image processing parts such as error diffusion and gamma conversion.

  Note that the MFP 9 can sequentially select and select a document box function, a copy function, a printer function, and a facsimile function using an application switching key on the operation panel 940. The document box mode is selected when the document box function is selected, the copy mode is selected when the copy function is selected, the printer mode is selected when the printer function is selected, and the facsimile mode is selected when the facsimile mode is selected.

  The network I / F 950 is an interface for performing data communication using the communication network 100. The short-range communication circuit 920 and the network I / F 950 are electrically connected to the ASIC 906 via the PCI bus 922.

<Hardware configuration of video conference terminal>
FIG. 7 is a hardware configuration diagram of the video conference terminal according to the present embodiment. As shown in FIG. 7, the video conference terminal 13 includes a CPU 101, ROM 102, RAM 103, flash memory 104, SSD 105, media I / F 107, operation button 108, power switch 109, bus line 110, network I / F 111, A camera 112, an image sensor I / F, a microphone 114, a speaker 115, a sound input / output I / F 116, a display I / F 117, an external device connection I / F 118, a short-range communication circuit 119, and an antenna 119a of the short-range communication circuit 119 are provided. ing. Among these, the CPU 101 controls the entire operation of the video conference terminal 13. The ROM 102 stores a program used for driving the CPU 101 such as IPL. The RAM 103 is used as a work area for the CPU 101. The flash memory 104 stores various data such as a communication program, image data, and sound data. The SSD 105 controls reading or writing of various data with respect to the flash memory 104 according to the control of the CPU 101. An HDD may be used instead of the SSD. The media I / F 107 controls reading or writing (storage) of data with respect to the recording medium 106 such as a flash memory. The operation button 108 is a button that is operated when the destination of the video conference terminal 13 is selected. The power switch 109 is a switch for switching on / off the power of the video conference terminal 13.

  The network I / F 111 is an interface for performing data communication using the communication network 100 such as the Internet. The camera 112 is a type of built-in imaging means that captures an image of a subject under the control of the CPU 101 and obtains image data. The image sensor I / F 113 is a circuit that controls driving of the camera 112. The microphone 114 is a kind of built-in sound collecting means for inputting sound. The sound input / output I / F 116 is a circuit that processes input / output of a sound signal between the microphone 114 and the speaker 115 under the control of the CPU 101. The display I / F 117 is a circuit that transmits image data to the external display 120 under the control of the CPU 101. The external device connection I / F 118 is an interface for connecting various external devices. The near field communication circuit 119 is a communication circuit such as NFC or Bluetooth.

  The bus line 110 is an address bus, a data bus, or the like for electrically connecting each component such as the CPU 101 shown in FIG.

  The display 120 is a kind of display means configured by a liquid crystal or organic EL that displays an image of a subject, an operation icon, and the like. The display 120 is connected to the display I / F 117 by a cable 120c. The cable 120c may be an analog RGB (VGA) signal cable, a component video cable, HDMI (High-Definition Multimedia Interface) (registered trademark), or DVI (Digital Video). Interactive) signal cable may be used.

  The camera 112 includes a lens and a solid-state image sensor that converts light into electric charges and digitizes a subject image (video). As the solid-state image sensor, a CMOS (Complementary Metal Oxide Semiconductor) or a CCD (Charge Coupled) is used. Device) or the like is used. External devices such as an external camera, an external microphone, and an external speaker can be connected to the external device connection I / F 118 by a USB cable or the like. When an external camera is connected, the external camera is driven in preference to the built-in camera 112 under the control of the CPU 101. Similarly, when an external microphone is connected or when an external speaker is connected, each of the external microphones and the built-in speaker 115 is given priority over the internal microphone 114 and the internal speaker 115 according to the control of the CPU 101. An external speaker is driven.

  In addition, the recording medium 106 is detachable from the video conference terminal 13. Further, as long as it is a non-volatile memory that reads or writes data according to the control of the CPU 101, not only the flash memory 104 but also an EEPROM or the like may be used.

<< Screen example of electronic blackboard >>
A screen example of the electronic blackboard 2 will be described with reference to FIG. FIG. 8 is an example of a screen displayed on the display of the electronic blackboard. The electronic blackboard 2 displays a drawing screen 230 as shown in FIG. On the drawing screen 230, an image image drawn by the user with the electronic pen 2500 or the like is displayed. In addition, a “menu” button 231 and an “end” button 237 are displayed in the lower right portion of the drawing screen 230. The “menu” button 231 is a button pressed by the user when executing various functions of the electronic blackboard 2. The “end” button 237 is a button pressed by the user when the user logs out and does not display the screen. Here, when the user presses the “menu” button 231 with the electronic pen 2500 or the like, the electronic blackboard 2 selects various functions on the drawing screen 230 as shown in FIG. 8B. A menu selection screen 232 is displayed.

  As shown in FIG. 8B, the menu selection screen 232 includes a “read” button 234, a “save” button 235, a “print” button 236, a “mail transmission” button 237, and a “QR code” button. 239 is displayed.

  Among these, the “read” button 234 is a button for the electronic blackboard 2 to read the electronic file data of the drawn image that has already been drawn and saved in the SSD 204 and display it on the display 220. The “save” button 235 is a button for the electronic blackboard 2 to save a drawing image drawn by the user in the SSD 204 as electronic file data. The “print” button 236 is a button for causing the MFP 9 or the like to print a drawing image displayed on the drawing screen 230 on the electronic blackboard 2. The “send mail” button 237 is a button for the electronic blackboard 2 to send a drawing image displayed on the drawing screen 230 as an attachment to the user's PC or the like as drawing image data. The “QR code” button 239 is a button for displaying a QR code representing a device ID for the electronic blackboard 2 to identify the device itself on the display 220.

  When the user presses the “end” button 237 with the electronic pen 2500 or the like, the electronic blackboard 2 logs out on the drawing screen 230 and ends the display as shown in FIG. 8C. The end screen 238 is displayed.

  As shown in FIG. 8C, the end screen 238 displays a “primary save in shared folder and end” button 238a, an “end” button 238b, and a “cancel” button 238c.

  Of these buttons, the “primary save and exit to shared folder” button 238a is a button for temporarily saving the drawing image data and for logging out and ending the display. The “end” button 238b is a button for performing logout and display end as it is. That is, when the user logs in next time, the drawing image data is not displayed. The “cancel” button 238c is a button for stopping the display of the end screen and returning to the original drawing screen 230 shown in FIG.

  Each ID is an example of identification information. That is, the device ID is an example of device identification information. The terminal ID is an example of terminal identification information. The user ID is an example of user identification information. Further, the device identification information and the terminal identification information include a production number. The user identification information includes an employee number, a driver's license number, a My Number in the Japanese social security / tax number system, and the like.

  Each of the above programs may be recorded in a computer-readable recording medium and distributed as a file in an installable or executable format. Examples of the recording medium include a CD-R (Compact Disc Recordable), a DVD (Digital Versatile Disk), a Blu-ray disc, and an SD card. The recording medium can be provided domestically or abroad as a program product.

  Further, each of the servers 5, 6, 7, and 8 may be constructed by a single computer, or constructed by a plurality of computers that are arbitrarily assigned by dividing each unit (function, means, or storage unit). May be.

<< Functional configuration of communication system >>
Subsequently, the functional configuration of the present embodiment will be described with reference to FIGS. 9 and 10. FIG. 9 is a functional block diagram of the communication system. In FIG. 9, among the terminals, devices, and servers shown in FIG. 1, those related to processing or operation described later are shown.

<Functional configuration of electronic blackboard>
As shown in FIG. 9, the electronic blackboard 2 includes a transmission / reception unit 21, a reception unit 22, an image / sound processing unit 23, a display control unit 24, a determination unit 25, a creation unit 26 b, a creation unit 26 a, and a setting unit 27. An acquisition / providing unit 28 and a storage / reading processing unit 29. Each of these units is a function realized by any one of the constituent elements shown in FIG. 2 being operated by a command from the CPU 201 according to the electronic blackboard program expanded from the SSD 204 onto the RAM 203, or a function. It is means to do. The electronic blackboard 2 includes a storage unit 2000 constructed by the RAM 203 and the SSD 204 shown in FIG.

(Each blackboard functional configuration)
Next, each component of the electronic blackboard 2 will be described. The transmission / reception unit 21 is realized by a command from the CPU 201 illustrated in FIG. 2, a network I / F 205 and an external device connection I / F 206, and other terminals, devices, or systems and various data ( Or information).

  The receiving unit 22 is mainly realized by a command from the CPU 201 illustrated in FIG. 2, and the contact sensor 214 and the electronic pen controller 216, and receives various inputs by the user.

  The image / sound processing unit 23 is realized by a command from the CPU 201 shown in FIG. 2, and performs image processing on image data obtained by the camera 2900 capturing an image of a subject. The image / sound processing unit 23 performs sound processing on sound data related to the sound signal after the user's sound is converted into a sound signal by the microphone 2700. Further, the image / sound processing unit 23 outputs a sound signal related to the sound data to the speaker 2800 and causes the speaker 2800 to output sound. In addition, the image / sound processing unit 23 performs processing for converting drawing image data obtained by drawing on the display 220 by the user with the electronic pen 2500 or the hand H into coordinate data. For example, when the electronic blackboard 2x transmits the coordinate data to the electronic blackboard 2y at another base, the electronic blackboard 2y displays a drawing having the same content on the display 220 on the other electronic blackboard 2y side based on the coordinate data.

  The display control unit 24 is realized by a command from the CPU 201 illustrated in FIG. 2 and the display controller 213 illustrated in FIG. 2, and causes the display 220 to display a drawing image.

  The determination unit 25 is realized by a command from the CPU 201 illustrated in FIG. 2, and determines whether the terminal ID has been acquired from the IC card 3 or the smartphone 4.

  Further, the creation unit 26a is realized by a command from the CPU 201 shown in FIG. 2, and creates PDF format image data from bitmap format rendering image data obtained by rendering by the user. The creation unit 26b is realized by a command from the CPU 201 shown in FIG. 2, and creates RPCS format image data from bitmap format drawing image data obtained by drawing by a user. In addition to the RPCS format, the PDL format or the PS format may be used.

  The setting unit 27 is realized by a command from the CPU 201 illustrated in FIG. 2, and performs, for example, setting of an e-mail transmission source and transmission destination, and setting of a printer name of print data.

  The acquisition / providing unit 28 is executed by the command from the CPU 201 shown in FIG. 2 and the short-range communication circuit 219 and the antenna 219a, and performs data communication with the IC card 3 or the smartphone 4 by short-range communication. Acquire and provide.

  The storage / reading processing unit 29 is executed by the instruction from the CPU 201 and the SSD 204 shown in FIG. 2, and stores various data in the storage unit 2000 or the recording medium 2100, or is stored in the storage unit 2000 or the recording medium 2100. A process of reading various data is performed. Further, the storage unit 2000 overwrites and stores image data and sound data received when communicating with other electronic blackboards or video conference terminals. Among these, an image is displayed on the display 220 by the image data before being overwritten, and sound is output from the speaker 2800 by the sound data before being overwritten. The recording medium 2100 is realized by the USB memory 2600 shown in FIG.

<Functional configuration of IC card>
As shown in FIG. 9, the IC card 3 has an acquisition / providing unit 38 and a storage / reading processing unit 39. Each of these units is a function realized by any of the components shown in FIG. 2 being operated by an instruction from the CPU 311 according to an IC card program expanded from the EEPROM 314 to the RAM 313, or a function It is means to do. Further, the IC card 3 has a storage unit 3000 constructed by the RAM 313 and the EEPROM 314 shown in FIG.

(Functional configuration of IC card)
Next, each component of the IC card 3 will be described. The acquisition / providing unit 38 is executed by the instruction from the CPU 311 and the antenna coil 330 shown in FIG. 3, and acquires and provides data by short-range communication with the electronic blackboard 2.

  The storage / reading processing unit 39 is executed by a command from the CPU 311 shown in FIG. 3, and stores various data in the storage unit 3000 and reads various data stored in the storage unit 3000. . Furthermore, the storage unit 3000 stores a terminal ID for identifying an IC card as an example of a dedicated terminal.

<Functional configuration of smartphone>
As illustrated in FIG. 9, the smartphone 4 includes an acquisition / providing unit 48 and a storage / reading processing unit 49. Each of these units functions or functions when any of the components shown in FIG. 4 is operated by a command from the CPU 401 according to the smartphone program developed from the EEPROM 404 on the RAM 403. Means. The smartphone 4 has a storage unit 4000 constructed by the RAM 403 and the EEPROM 404 shown in FIG.

(Each smartphone functional configuration)
Next, each component of the smartphone 4 will be described. The acquisition / providing unit 48 is executed by the instruction from the CPU 401 shown in FIG. 4, the short-range communication circuit 419, and the antenna 419 a, and acquires and provides data by short-range communication with the electronic blackboard 2. Do.

  The storage / reading processing unit 49 is executed by a command from the CPU 401 shown in FIG. 4, and stores various data in the storage unit 4000 and reads various data stored in the storage unit 4000. . The storage unit 4000 stores a terminal ID for identifying the smartphone 4 as an example of a dedicated terminal.

<Functional configuration of terminal management server>
The terminal management server 5 includes a transmission / reception unit 51, an authentication unit 52, and a storage / read processing unit 59. Each of these units functions or functions realized by any one of the constituent elements shown in FIG. 5 operating according to a command from the CPU 501 according to the terminal management program expanded from the HD 504 to the RAM 503. Means. Further, the terminal management server 5 has a storage unit 5000 constructed by the HD 504 shown in FIG.

(Terminal management table)
FIG. 10A is a conceptual diagram showing a terminal management table. In the storage unit 5000, a terminal management DB 5001 configured by a terminal management table as shown in FIG. In this terminal management table, for each terminal ID for identifying all the dedicated terminals (IC card 3 and smart phone 4) managed by the terminal management server 5, the user who is the owner of each dedicated terminal is identified. A user ID and a user name are managed in association with each other.

(Functional configuration of terminal management server)
Next, each functional configuration of the terminal management server 5 will be described in detail. In the following description, in describing each functional configuration of the terminal management server 5, among the components illustrated in FIG. 5, the main components for realizing the functional configurations of the terminal management server 5 are described. Explain the relationship.

  The transmission / reception unit 51 of the terminal management server 5 shown in FIG. 9 is realized by a command from the CPU 501 shown in FIG. 5 and the network I / F 509 shown in FIG. Various types of data (or information) are transmitted to and received from other terminals, devices, or systems.

  The authentication unit 52 is realized by a command from the CPU 501 shown in FIG. 5, and the terminal ID sent from the electronic blackboard 2 is a user's exclusive terminal (IC card 3, smartphone 4) registered in advance. It is judged whether it is.

  The storage / reading processing unit 59 is realized by a command from the CPU 501 illustrated in FIG. 5 and the HDD 505 illustrated in FIG. 5, and stores various data in the storage unit 5000 or stored in the storage unit 5000. A process of reading various data is performed.

<Functional configuration of file management server>
The file management server 8 includes a transmission / reception unit 81 and a storage / reading processing unit 89. Each of these units functions or functions realized by any of the constituent elements shown in FIG. 9 operating according to instructions from the CPU 501 in accordance with the folder management program expanded from the HD 504 to the RAM 503. Means. Further, the file management server 8 has a storage unit 8000 constructed by the HD 504 shown in FIG.

(Folder management table)
FIG. 10B is a conceptual diagram showing a folder management table. In the storage unit 8000, a folder management DB 8001 configured by a folder management table as shown in FIG. In this folder management table, each user ID for identifying all users managed by the file management server 8 is managed in association with the folder name of the electronic folder dedicated to each user.

(Functional configuration of the file management server)
Next, each functional configuration of the file management server 8 will be described in detail. In the following description, in describing each functional configuration of the file management server 8, among the components illustrated in FIG. 5, the main configuration elements for realizing the functional configurations of the file management server 8 are described. Explain the relationship.

  The transmission / reception unit 81 of the file management server 8 shown in FIG. 9 is realized by a command from the CPU 501 shown in FIG. 5 and the network I / F 509 shown in FIG. Various types of data (or information) are transmitted to and received from other terminals, devices, or systems.

  The storage / reading processing unit 89 is realized by the instruction from the CPU 501 shown in FIG. 5 and the HDD 505 shown in FIG. 5, and stores various data in the storage unit 8000 or stored in the storage unit 8000. A process of reading various data is performed.

<< Processing or Operation of Embodiment >>
Hereinafter, processing or operation of each embodiment will be described. Here, in FIG. 1, the users A and B are in a meeting using the electronic blackboard 2x in a certain meeting room, and the user A logs in and the user A or the user B The case of reading (reading) own electronic file data will be described. Hereinafter, various requests and various results are transmitted and received as data (information).

<Login process>
First, a login process performed by the user A for the electronic blackboard 2x will be described with reference to FIGS. FIG. 11 is a sequence diagram illustrating the login process. FIG. 12 is an example of a screen displayed on the display of the electronic blackboard. FIG. 13 is an image diagram illustrating a state in which the user uses the electronic blackboard.

  As shown in FIG. 13, when the user A depresses the power switch 222 of the electronic blackboard 2x, the display control unit 24 displays a login screen on the display 220 as shown in FIG. 170 is displayed (step S11). Next, as shown in FIG. 13, when the user A brings his IC card 3 close to (closes) the short-range communication unit 221 of the electronic blackboard 2x, the acquisition / providing unit for the electronic blackboard 2x 28 acquires the terminal ID of the IC card from the acquiring / providing unit 38 of the IC card 3 (step S12). The transmitter / receiver 21 of the electronic blackboard 2x transmits a login authentication request to the terminal management server 5 (step S13). This request for login authentication includes the terminal ID acquired in step S12. Thereby, the transmission / reception unit 51 of the terminal management server 5 receives the request for login authentication.

  Next, the authentication unit 52 of the terminal management server 5 performs login authentication of the IC card 3 using the terminal ID (step S14). Specifically, the storage / reading processing unit 59 searches for a user ID corresponding to the terminal ID in the terminal management table (see FIG. 10A) using the terminal ID received in step S13 as a search key. . If there is a corresponding user ID, the authentication unit 52 determines that the IC card (terminal ID) is valid. If there is no corresponding user ID, the authentication unit 52 determines that the IC card (terminal ID) is not valid.

  Next, the transmission / reception unit 51 of the terminal management server 5 transmits the authentication result to the electronic blackboard 2x (step S15). When the authentication unit 52 determines that the IC card is a valid IC card, the authentication result includes information indicating that the card is valid, a user ID, and a user name. If the authentication unit 52 determines that the IC card is not valid, the authentication result includes information indicating that it is not valid. Thereby, the transmission / reception unit 21 of the electronic blackboard 2x receives the authentication result.

  Next, the electronic blackboard 2x performs processing based on the authentication result (step S16). Here, the process based on the authentication result in step S16 will be described in detail with reference to FIG. FIG. 14 is a flowchart illustrating processing based on the authentication result when logging in.

  As illustrated in FIG. 14, the determination unit 25 is information indicating that the authentication result received in step S15 is valid (that is, whether the terminal ID transmitted in step S13 is valid). ) Is determined (step S16-1). When the determination unit 25 determines that the information is not valid, that is, when it is determined that the login has failed (NO), the display control unit 24 displays on the display 220 as shown in FIG. As shown in FIG. 5, an error screen 180 is displayed (step S16-2). If the determination unit 25 determines that the information is valid, that is, if it is determined that the login is successful (YES), the process proceeds to step S17. Hereinafter, the explanation will be continued with respect to the case where it is valid.

  The transmission / reception unit 21 of the electronic blackboard 2x transmits a request for electronic file data to the file management server 8 (step S17). This request includes the user ID received in step S15. Thereby, the transmission / reception unit 81 of the file management server 8 receives the request for the electronic file data.

  Next, in the file management server 8, the storage / read processing unit 89 searches the folder management table (see FIG. 10B) using the user ID received in step S17 as a search key. The electronic folder name is read (step S18). Further, the storage / reading processing unit 89 reads all the electronic file data stored in the electronic folder associated with the electronic folder name read in step S18 from the storage unit 8000 (step S19). Then, the transmission / reception unit 81 transmits all electronic file data as a request result to the electronic blackboard 2x (step S20). Thereby, the transmission / reception unit 21 of the electronic blackboard 2x receives the request result.

  Next, the storage / reading processing unit 2 of the electronic blackboard 2x stores all the electronic file data received in step S20 in the electronic folder dedicated to the user A in the storage unit 2000 (step S12). At this time, the electronic folder name of the user A stored in the storage unit 2000 includes the user name received in step S15. However, the electronic file data is not displayed on the display 220 until it is read (read) by the user A.

  Next, as shown in FIG. 12C, the display control unit 24 uses a ticker indicating that drawing of “Welcome, Mr. Kato” or the like can be started on the display 220. Display. As the characters “Kato”, the user name received in step S15 is used. Thus, users A and B can draw on the electronic blackboard 2x.

<Electronic file data reading process>
First, the electronic file data reading process will be described with reference to FIGS. 15 and 16. FIG. 15 is a flowchart showing the electronic file data reading process. FIG. 16 is an example of a screen displayed on the display of the electronic blackboard.

  When the logged-in user A (Kato) presses the “read” button 232 shown in FIG. 8B, the accepting unit 22 accepts the display of the folder selection screen 240 at the time of reading (step S31). Then, the display control unit 24 displays the folder selection screen 240 as shown in FIG. 16A on the display 220 (step S32). On this folder selection screen 240, a “USB memory” button 241, a “shared folder to be temporarily saved” button 242, and a “Mr. A's exclusive folder” button 243a are displayed. Among these, the “USB memory” button 241 is a button for reading (reading) file data from the USB memory 2600 shown in FIG. 2. The “shared folder to be temporarily saved” button 242 is temporarily saved in the shared folder in the storage unit 2000 after the “primary save and finish in shared folder” button 238a shown in FIG. 8C is pressed. It is a button for reading (reading) the read file data. The “Kato's exclusive folder” button 243 a is a button for reading (reading) file data from a folder exclusively owned by the user A (Ms. Kato) stored in the storage unit 8000 of the file management server 8. For the display of “Kato”, the display control unit 24 uses the user name transmitted from the terminal management server 5 in step S15 (see FIG. 11). In this way, when the folder selection screen 240 at the time of reading is displayed, a button 243a showing the user name of the logged-in user A is displayed by default. In addition, at the bottom of the folder selection screen 240 (see FIGS. 16A and 16C), after each folder 241, 242, 243a (243b) is selected, an “OK” button for confirming this selection is displayed. 246, a “Cancel” button 249 is displayed to cancel this selection.

  Next, when the folder selection screen 240 at the time of reading is displayed, the determination unit 25 determines whether the acquisition / providing unit 28 has acquired a terminal ID from a dedicated terminal such as the IC card 3 (step S33). ). Here, the case where the user B (Jim) who has not logged in brings his / her smartphone 4 close to the short-range communication unit 221 of the electronic blackboard 2 illustrated in FIG. 15 will be described. In this case, if the determination unit 25 determines in step S33 that the terminal ID has been acquired (YES), the same processing as steps S13 to S21 shown in FIG. 11 is executed. In this case, in step S113, it is not a request for login authentication, but a request for authentication of a dedicated terminal that is the smartphone 4. As a result, when the terminal management server 5 determines that the exclusive terminal is valid (see step S14) and the user name (Jim) of the user B is transmitted from the terminal management server 5, the electronic blackboard 2x As shown in FIG. 16C, the display control unit 24 displays a “Mr. Jim exclusive folder” button 243b instead of the “Mr. Kato exclusive folder” button 243a. In step S20, the file data of the user B is also sent from the file management server 7 and stored in the storage unit 2000 of the electronic blackboard 2x in step S21. As a result, the user B can easily display his / her file data on the display 220.

  Next, when the user B makes a selection by pressing the “Jim's exclusive folder” button 243b on the folder selection screen 240 shown in FIG. 16C and presses the “OK” button 247, The accepting unit 22 accepts a folder selection (step S35). As a result, the display control unit 24 displays the file selection screen 245 at the time of reading as shown in FIG. 16D (step S36). The file selection screen 245 displays file names 243b1 and 243b2 of electronic file data stored in the user B's exclusive folder. In addition, at the bottom of the file selection screen 245 (see FIGS. 16B and 16D), after each file name 243a1 (243b1) and 243a (243b2) is selected, “OK” is displayed to confirm this selection. ”Button 247 and a“ Cancel ”button 249 for canceling this selection.

  Next, when the user B presses and selects the desired file name on the file selection screen 245 shown in FIG. 16D and then presses the “OK” button 247, the receiving unit 22 Selection of an electronic file to be read is accepted (step S37). As a result, the storage / reading processing unit 29 reads (reads) the file data relating to the electronic file received in step S37 from the storage unit 2000 (step S38). Then, the display control unit 24 causes the display 220 to display an image that is the content of the file data (step 39).

  On the other hand, in step S32, the display control unit 24 displays the folder selection screen 240 as shown in FIG. 16A on the display 220, and the user B (Jim) who has not logged in is displayed. However, the user A does not come close to the short-range communication unit 221 of the electronic blackboard 2 shown in FIG. 15, and the user A displays “Kato's exclusive folder shown in FIG. When the “OK” button 247 is pressed, the processing from steps S33 and NO to steps S35 to S39 are performed. In this case, in step S36, the file selection screen 245 shown in FIG. 16B is displayed. Also in this case, the file selection screen 245 displays the file names 243a1 and 243a2 of the electronic file data stored in the user A's exclusive folder.

  The electronic file data reading process is thus completed.

<< Main effects of embodiment >>
As described above, according to the present embodiment, electronic file data in its own folder is automatically acquired from the file management server 8 in conjunction with the login process (S11 to S16) of the user A (S17). ~ S20). By this. Since it takes time to obtain desired electronic file data from the file management server 8, it is possible to prevent the time for meetings and classes from being shortened.

1 Communication system 2x Electronic blackboard (an example of a shared terminal)
2y Electronic blackboard (an example of a shared terminal)
3 IC card (example of exclusive terminal)
4 Smartphone (an example of a proprietary terminal)
5 Terminal management server 8 File management server 11a PC (an example of a personal terminal)
11 PC (an example of a personal terminal)
12 MFP (an example of a printing device)
13 Video conference terminal 21 Transmission / reception unit (an example of a transmission means, an example of a reception means)
22 Reception unit 23 Image / sound processing unit 24 Display control unit (an example of display control means)
25 determination unit 26a creation unit (an example of first creation means)
26b creation unit (an example of second creation means)
28 Acquisition / Provision Unit (an example of acquisition means)
29 storage / reading processing unit 51 transmission / reception unit 52 authentication unit 59 storage / reading processing unit 81 transmission / reception unit 89 storage / reading processing unit 5001 terminal management DB
8001 Folder management DB
100 communication network

JP 2001-292266 A

Claims (9)

A shared terminal that displays images that can be viewed by multiple users,
Obtaining means for obtaining first terminal identification information for identifying the first dedicated terminal from the first dedicated terminal of the first user;
With respect to the terminal management server that manages predetermined terminal identification information for identifying a predetermined dedicated terminal and predetermined user identification information for identifying a user of the predetermined dedicated terminal, by the acquisition unit Transmitting means for transmitting a request for login authentication together with the acquired first terminal identification information;
Based on the transmission of the first terminal identification information by the transmission means, login authentication by determining whether the terminal management server is managing the first terminal identification information, if the login is successful, Receiving means for receiving first user identification information for identifying the first user transmitted by the terminal management server;
Have
The transmission unit is configured to receive the predetermined user identification information and a file management server that manages a predetermined folder name of a dedicated folder in which predetermined electronic file data of the predetermined user is stored. Sending the first user identification information received by
The receiving means is a first folder of the first user indicated by the first user identification information transmitted by the file management server based on the transmission of the first user identification information. A shared terminal that receives first electronic file data stored in an exclusive folder of a name. When the log-in is successful, the receiving unit receives the predetermined user name of the predetermined user indicated by the predetermined terminal identification information, the predetermined user identification information, and the predetermined user identification information. Receiving the first user name of the first user transmitted by the terminal management server managing the association;
2. The sharing terminal according to claim 1, further comprising display control means for selecting the exclusive folder of the first user name when selecting a reading destination of the electronic file data. When selecting the reading destination of the electronic file data, when the display control means displays the exclusive folder of the first user name so as to be selectable, the acquisition means selects the second user's second When the second terminal identification information for identifying the second dedicated terminal is acquired from the dedicated terminal, the transmission means sends the second management information acquired by the acquisition means to the terminal management server. Transmitting a request for authentication of the second dedicated terminal together with the terminal identification information;
The receiving unit determines whether the terminal management server manages the second terminal identification information based on the transmission of the second terminal identification information by the transmission unit, thereby determining the second dedicated terminal. When the authentication is successful, the second user identification information for identifying the second user transmitted by the terminal management server is received,
The transmitting means transmits the second user identification information received by the receiving means to the file management server,
The receiving means is a second folder of the second user indicated by the second user identification information transmitted by the file management server based on the transmission of the second user identification information. 2. The shared terminal according to claim 1, wherein the second electronic file data stored in an exclusive folder with a name is received. When the log-in is successful, the receiving unit receives the predetermined user name of the predetermined user indicated by the predetermined terminal identification information, the predetermined user identification information, and the predetermined user identification information. Receiving the first user name of the first user transmitted by the terminal management server managing the association;
When selecting a reading destination of the electronic file data, display control means for selectively displaying the exclusive folder of the first user name;
When the authentication of the second dedicated terminal is successful, the receiving means receives the predetermined user indicated by the predetermined terminal identification information, the predetermined user identification information, and the predetermined user identification information. Receiving the second user name of the second user sent by the terminal management server managing the user name in association with a predetermined user name;
The display control means displays the exclusive folder of the second user name in a selectable manner instead of the exclusive folder of the first user name when selecting the reading destination of the electronic file data. The shared terminal according to claim 3.   The shared terminal according to any one of claims 1 to 4, wherein the shared terminal is an electronic blackboard. A shared terminal according to any one of claims 1 to 5;
The terminal management server;
A communication system comprising:   The communication system according to claim 6, comprising the file management server. A communication method executed by a shared terminal that displays images that can be viewed by multiple users,
An acquisition step of acquiring first terminal identification information for identifying the first dedicated terminal from the first dedicated terminal of the first user;
With respect to the terminal management server that manages predetermined terminal identification information for identifying a predetermined dedicated terminal and predetermined user identification information for identifying a user of the predetermined dedicated terminal, by the acquisition step A transmission step of transmitting a request for login authentication together with the acquired first terminal identification information;
Based on the transmission of the first terminal identification information by the transmission step, login authentication is performed by determining whether the terminal management server manages the first terminal identification information, and when the login is successful, Receiving the first user identification information for identifying the first user transmitted by the terminal management server;
Run
The transmission step includes the reception step for the file management server that manages the predetermined user identification information and a predetermined folder name of a dedicated folder storing predetermined electronic file data of the predetermined user in association with each other. Processing to transmit the first user identification information received by
In the receiving step, the first folder of the first user indicated by the first user identification information transmitted by the file management server based on the transmission of the first user identification information. A communication method, comprising: a process of receiving first electronic file data stored in an exclusive folder with a name.   The program for making a computer implement | achieve each means as described in any one of Claims 1 thru | or 4.

Images