JP6776778B2 - Shared terminals, communication systems, communication methods, and programs - Google Patents

Description

The present invention relates to shared terminals, communication systems, communication methods, and programs.

In recent years, electronic blackboards that can be shared by a plurality of users have been installed in rooms such as corporate conference rooms and classrooms of educational institutions. This electronic blackboard has a large touch panel type display, and displays a drawn image drawn by each user with a dedicated electronic pen or a finger. As a result, each user can proceed with meetings, classes, etc. while viewing the same drawn image (see Patent Document 1).

In addition, electronic file data such as drawn images can be transmitted and saved from a shared terminal such as an electronic blackboard to an external file management server, 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 in a waiting list, if it takes time to acquire desired electronic file data from a file management server, the time for meetings and classes is short. The problem of becoming becomes arises.

In order to solve the above-mentioned problems, the invention according to claim 1 is a shared terminal that displays an image that can be viewed by a plurality of users, from the first exclusive terminal of the first user to the first. Acquisition means for acquiring the first terminal identification information for identifying the exclusive terminal of the above, predetermined terminal identification information for identifying the predetermined exclusive terminal, and predetermined for identifying the user of the predetermined exclusive terminal. A transmission means for transmitting a login authentication request together with the first terminal identification information acquired by the acquisition means to the terminal management server that manages the user identification information in association with each other, and the first transmission means by the transmission means. Login authentication is performed by determining whether the terminal management server manages the first terminal identification information based on the transmission of the terminal identification information of the above, and when the login is successful, the terminal management server transmits the data. In addition, it has a receiving means for receiving the first user identification information for identifying the first user, and the transmitting means includes the predetermined user identification information and the predetermined user. The first user identification information received by the receiving means is transmitted to the file management server that manages by associating the predetermined folder name of the exclusive folder in which the predetermined electronic file data is stored, and the receiving means receives the first user identification information. , The exclusive folder of the first folder name 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. It is a shared terminal characterized by receiving the first electronic file data stored in.

According to the present invention, it is possible to prevent the time for meetings, classes, etc. from being shortened by taking time and effort to acquire desired electronic file data from the 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 configuration diagram of a smartphone. It is a hardware configuration diagram of a server and a PC. It is a hardware block diagram of the MFP. It is a hardware configuration diagram of a video conferencing terminal. This is an example of a screen displayed on the display of an electronic blackboard. It is a functional block diagram of a communication system. (A) is a conceptual diagram of the terminal management table, and (B) is a conceptual diagram of the folder management table. It is a sequence diagram which showed the login process. This is an example of a screen displayed on the display of an electronic blackboard. It is an image diagram which showed the state which a user uses an electronic blackboard. It is a flowchart which shows the process based on the authentication result at the time of login. It is a flowchart which shows the reading process of electronic file data. This is an example of a screen displayed on the display of an electronic blackboard.

The communication system 1 according to the present embodiment will be described in detail below with reference to the drawings.

<< Outline of system configuration >>
First, the 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 the present embodiment includes an electronic blackboard 2x, an electronic whiteboard 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. It is constructed by a print server 8, an MFP (Multifunction Peripheral / Product / Printer) 9, a PC (Personal Computer) 10a, 10b, and a video conferencing terminal 13. In the following, any electronic blackboard among the electronic blackboard 2x and the electronic blackboard 2y will be referred to as "electronic blackboard 2". Further, any PC among the PCs 10a and 10b is represented as "PC10".

Further, 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 conferencing terminal 13 constituting the communication system 1 communicate with each other via the communication network 100. Can be done. 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 wireless communication networks such as 3G (3rd Generation), WiMAX (Worldwide Interoperability for Microwave Access), and LTE (Long Term Evolution). Further, the electronic blackboard 2, the IC card 3 and the smartphone 4 can communicate with each other by short-range 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, respectively. 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 RPCS (Refined Printing Command Stream) format image data from the drawn image data and transmit it to the MFP 9 via the communication network 100. Further, the electronic blackboard 2 can create image data in PDF (Portable Document Format) format from the drawn image data, attach it to the e-mail, and then send the e-mail to the PC 10 via the communication network 100. As a result, the MFP 9 can print the drawn image, and the PC 10 can display the drawn image.

In addition, the electronic blackboard 2 can also display non-drawn images such as materials that have not been drawn by the user. Also in this case, the electronic blackboard 2 can create RPCS format image data from the non-drawing image data (hereinafter referred to as “non-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 image data from non-drawing image data, attach it to an e-mail, and then send an e-mail to the PC 10 via the communication network 100.

The RPCS format image data and the PDF format image data are data related to the original drawn image or the original non-drawn image. Further, 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 exclusive terminals. The MFP 9 is an example of a printing apparatus. The PC 10 is an example of a personal terminal. Further, not only the RPCS format but also the PCL (Printer Control Language) format, the PDL (Page Description Language) format, or the PS (PostScript) format may be used.

In FIG. 1, the user A owns the IC card 3 and brings the IC card 3 to a conference using the electronic blackboard 2. User B owns a smartphone 4 and brings the smartphone 4 to a conference using the electronic blackboard 2. The PC 10a is a personal computer owned by the user. The PC 10b is a PC owned by the user B. Further, the electronic blackboard 2 has a video conferencing function, and can hold a video and audio conference with the video conferencing 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 the e-mail addresses of the PCs owned by each user. The mail server 7 manages the transmission and reception of electronic mail via the communication network 100. The print server 8 is a server for realizing so-called "secure print", and temporarily stores data (here, print data) related to images transmitted from the electronic whiteboard 2 and the PC 10, and requests from the MFP 9. Data related to the image is transmitted to the MFP 9 according to the above.

<< Hardware configuration >>
Subsequently, the hardware configuration of the device or terminal for constructing 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, and a network controller 205. , And an external device connection I / F (Interface) 206.

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

Further, 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 an antenna 219a of the short-range communication circuit 219.

Of these, the capture device 211 causes the display 508 of the PC 10 to display video information as a still image or a moving image. The GPU (Graphics Processing Unit) 212 is a semiconductor chip that specializes in graphics. The display controller 213 controls and manages the screen display in order to output the 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 come into contact with the display 220. The sensor controller 215 controls the processing of the contact sensor 214. The contact sensor 214 inputs and detects the coordinates by the infrared blocking method. In this method of inputting coordinates and detecting coordinates, 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 a reflecting member and returns on the same optical path as the light path emitted by the light receiving element. The contact sensor 214 outputs an infrared ID emitted by two light emitting / receiving devices blocked by the object to the sensor controller 215, and the sensor controller 215 specifies a coordinate position which is a contact position of the object. The electronic pen controller 216 determines whether or not there is a touch of the pen tip or a touch of the pen tip on the display 220 by communicating with the electronic pen 2500. The short-range communication circuit 219 is a communication circuit such as NFC or Bluetooth.

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

The contact sensor 214 is not limited to the infrared blocking method, but is 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 resistance film type touch panel and an electromagnetic induction type touch panel that detects the electromagnetic induction generated when a contact object comes into contact with the display unit and specifies the contact position may be used. Further, the electronic pen controller 216 may determine whether or not there is a touch not only on the pen tip and pen end of the electronic pen 2500, but also on a portion held by the user of the electronic pen 2500 and other electronic pen portions.

<Hardware configuration of IC card>
FIG. 3 is a hardware configuration diagram of the IC card. Here, the non-contact type configuration will be described, but the 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 and a ROM 312, a RAM 313, an EEPROM 314, and an antenna I / F 318.

Of these, the CPU 311 controls the operation of the entire IC card 3. The ROM 312 stores a program used to drive the CPU 311. The RAM 313 is used as a work area for the CPU 311. The 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 / F318 controls the transmission and reception of data 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 each component such as the CPU 311 shown in FIG.

The antenna coil 330 is a coil for generating an electric current by receiving the magnetism when the IC card 3 passes through a magnetic field generated by an external device. By using this electricity, the IC card 3 activates the IC chip 310, communicates with a reader / writer of an external device, and can acquire and provide data.

<Smartphone hardware configuration>
FIG. 4 is a hardware configuration diagram of a smartphone. As shown 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 / orientation sensor 406, a media I / F 408, and a GPS receiver 409.

Of these, the CPU 401 controls the operation of the entire smartphone 4. The ROM 402 stores a program used to drive the CPU 401 such as the CPU 401 and 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. The CMOS (Complementary Metal Oxide Semiconductor) sensor 405 captures a subject (mainly a self-portrait) according to the control of the CPU 401 to obtain image data. The acceleration / orientation sensor 406 is a variety of sensors such as an electronic magnetic compass, a gyro compass, and an acceleration sensor that detect the geomagnetism. The media I / F 408 controls reading or writing (storage) of data to a recording medium 407 such as a flash memory. The GPS receiving unit 409 receives GPS signals from GPS satellites.

Further, the smartphone 4 includes a long-distance communication circuit 411, a camera 412, an image pickup element 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, and a short-range communication circuit 419. It includes an antenna 419a of the short-range communication circuit 419 and a touch panel 421.

Of these, the telecommunications 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 means for capturing an image of a subject and obtaining image data under the control of the CPU 401. The image sensor I / F 413 is a circuit that controls the drive of the camera 412. The microphone 414 is a kind of built-in sound collecting means for inputting voice. The sound input / output I / F 416 is a circuit that processes sound signal input / output between the microphone 414 and the speaker 415 under the control of the CPU 401. The display 417 is a kind of display means such as a liquid crystal or an organic EL for displaying an image of a subject, various icons, and the like. The external device connection I / F418 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 by the user pressing the display 417.

Further, the smartphone 4 is provided with a bus line 410. The bus line 410 is an address bus, a data bus, or the like for electrically connecting each component such as the CPU 401 shown in FIG.

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

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

Of these, the CPU 501 controls the operation of the entire terminal management server 5. The ROM 502 stores a program used to drive the CPU 501 such as an IPL. The RAM 503 is used as a work area of the CPU 501. The HD504 stores various data such as programs. The HDD (Hard Disk Drive) 505 controls reading or writing of various data to the HD 504 according to the control of the CPU 501. The media I / F 507 controls reading or writing (storage) of data to a recording medium 506 such as a flash memory. The display 508 displays various information such as cursors, menus, windows, characters, or images. The 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 including 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 to a CD-ROM (Compact Disc Read Only Memory) 513 as an example of a removable recording medium.

Further, 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 short-range communication circuit 920, an engine control unit 930, an operation panel 940, and a network I / F 950.

Of these, the controller 910 is a CPU 901, 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, which are the main parts of a computer. It has a local memory (MEM-C) 907, an HDD 908, and a storage unit HD 909, and has a configuration in which the NB 903 and the ASIC 906 are connected by an AGP (Accelerated Graphics Port) bus 921.

Of these, the CPU 901 is a control unit that controls the entire MFP 9. The NB903 is a bridge for connecting the CPU 901, the MEM-P902, the SB904, and the AGP bus 921, and includes a memory controller that controls reading and writing to the MEM-P902, a PCI (Peripheral Component Interconnect) master, and an AGP target. Has.

The MEM-P902 includes a ROM 902a that is a memory for storing programs and data that realizes each function of the controller 910, and a RAM 902b that is used as a memory for developing programs and data and for drawing in memory printing. The program stored in the RAM 902b is provided as a file in an installable format or an executable format by recording it on a computer-readable recording medium such as a CD-ROM, FD, CD-R, or DVD. It may be configured as.

The SB904 is a bridge for connecting the NB903 to a PCI device and peripheral devices. The ASIC 906 is an IC (Integrated Circuit) for image processing applications having hardware elements for image processing, and has a role of a bridge connecting the AGP bus 921, the PCI bus 922, the HDD 908, and the MEM-C907, respectively. The ASIC906 is a PCI target and an AGP master, an arbiter (ARB) that forms the core of the ASIC906, a memory controller that controls the MEM-C907, and a plurality of DMACs (Direct Memory Access Controllers) that rotate image data by hardware logic and the like. , And a PCI unit that transfers data between the scanner unit 931 and the printer unit 932 via the PCI bus 922. A USB (Universal Serial Bus) interface or an IEEE 1394 (Institute of Electrical and Electronics Engineers 1394) interface may be connected to the ASIC 906.

The MEM-C907 is a local memory used as a copy image buffer and a code buffer. The HD909 is a storage for accumulating image data, accumulating font data used at the time of printing, and accumulating forms. The HD909 controls reading or writing of data to the HD909 according to the control of the CPU 901. The AGP bus 921 is a bus interface for a graphics accelerator card proposed to speed up graphics processing, and the graphics accelerator card can be speeded up by directly accessing the MEM-P902 with high throughput. ..

Further, 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 is composed of a scanner unit 931 and a printer unit 932. Further, the operation panel 940 displays the current setting value, the selection screen, and the like, and displays the panel display unit 940a such as a touch panel that receives the input from the operator, and the setting value of the image formation condition such as the density setting condition. It is provided with an operation panel 940b including a numeric keypad for receiving and a start key for receiving a copy start instruction. The controller 910 controls the entire MFP 9, for example, drawing, communication, input from the operation panel 940, and the like. The scanner unit 931 or the printer unit 932 includes an image processing portion such as error diffusion and gamma conversion.

The MFP 9 can be selected by sequentially switching the document box function, the copy function, the printer function, and the facsimile function by using the application switching key on the operation panel 940. When the document box function is selected, the document box mode is set, when the copy function is selected, the copy mode is set, when the printer function is selected, the printer mode is set, and when the facsimile mode is selected, the facsimile mode is set.

Further, the network I / F950 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 conferencing terminal>
FIG. 7 is a hardware configuration diagram of the video conferencing terminal according to the present embodiment. As shown in FIG. 7, the video conferencing terminal 13 includes a CPU 101, a ROM 102, a RAM 103, a flash memory 104, an SSD 105, a media I / F 107, an operation button 108, a power switch 109, a bus line 110, and a network I / F 111. The camera 112, the image pickup element I / F, the microphone 114, the speaker 115, the sound input / output I / F116, the display I / F117, the external device connection I / F118, the short-range communication circuit 119, and the antenna 119a of the short-range communication circuit 119 are provided. ing. Of these, the CPU 101 controls the operation of the entire video conferencing terminal 13. The ROM 102 stores a program used to drive the CPU 101 such as an IPL. The RAM 103 is used as a work area of the CPU 101. The flash memory 104 stores various data such as communication programs, image data, and sound data. The SSD 105 controls reading or writing of various data 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 to a recording medium 106 such as a flash memory. The operation button 108 is a button that is operated when selecting a destination of the video conferencing terminal 13. The power switch 109 is a switch for switching the power ON / OFF of the video conferencing terminal 13.

Further, the network I / F 111 is an interface for data communication using a communication network 100 such as the Internet. The camera 112 is a kind of built-in imaging means that images a subject and obtains image data under the control of the CPU 101. The image sensor I / F 113 is a circuit that controls the drive of the camera 112. The microphone 114 is a kind of built-in sound collecting means for inputting voice. The sound input / output I / F 116 is a circuit that processes sound signal input / output 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 short-range communication circuit 119 is a communication circuit such as NFC or Bluetooth.

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

The camera 112 includes a lens and a solid-state image sensor that converts light into electric charges to digitize an image (video) of the subject. As the solid-state image sensor, CMOS (Complementary Metal Oxide Semiconductor) or CCD (Charge Coupled) Device) etc. are used. External device connection External devices such as an external camera, an external microphone, and an external speaker can be connected to the 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 according to the control of the CPU 101. Similarly, when an external microphone is connected or an external speaker is connected, the external microphone and the external speaker are given priority over the built-in microphone 114 and the built-in speaker 115 according to the control of the CPU 101. The external speaker is driven.

Further, the recording medium 106 has a structure that can be attached to and detached from the video conferencing terminal 13. Further, as long as it is a non-volatile memory that reads or writes data under the control of the CPU 101, not only the flash memory 104 but also an EEPROM or the like may be used.

<< Example of screen 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. 8A on the display 220. An image image drawn by the user with an electronic pen 2500 or the like is displayed on the drawing screen 230. Further, a "menu" button 231 and an "end" button 237 are displayed at the lower right 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. 8 (B). The menu selection screen 232 for this is displayed.

As shown in FIG. 8B, the menu selection screen 232 has a “load” button 234, a “save” button 235, a “print” button 236, an “email send” 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 already drawn and stored 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 the drawn image drawn by the user as electronic file data in the SSD 204. The "print" button 236 is a button for printing the drawn image displayed on the drawing screen 230 on the electronic blackboard 2 by the MFP 9 or the like. The "send mail" button 237 is a button for the electronic blackboard 2 to attach the drawn image displayed on the drawing screen 230 to the e-mail as drawing image data and send it to the user's PC or the like. The "QR code" button 239 is a button for the electronic blackboard 2 to display a QR code representing a device ID for identifying the own device on the display 220.

When the user presses the "Exit" 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. 8 (C). The end screen 238 of is displayed.

As shown in FIG. 8C, the end screen 238 displays the "primarily save in shared folder and end" button 238a, the "end" button 238b, and the "cancel" button 238c.

Of these, the "primarily save in shared folder and exit" button 238a is a button for temporarily saving the drawn image data and logging out and ending the display. The "end" button 238b is a button for logging out and ending the display as it is. That is, the next time you log in, the drawn 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. 8A.

Each of the above IDs 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. The device identification information and the terminal identification information also include a serial number. In addition, the user identification information includes an employee number, a driver's license number, my number in Japan's social security / tax number system, and the like.

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

Further, each of the servers 5, 6, 7, and 8 may be constructed by a single computer, or each unit (function, means, or storage unit) may be divided and constructed by a plurality of computers arbitrarily assigned. It may have been done.

<< 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. Note that, in FIG. 9, among the terminals, devices, and servers shown in FIG. 1, those related to the 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 judgment unit 25, a creation unit 26b, a creation unit 26a, and a setting unit 27. It has an acquisition / providing unit 28 and a storage / reading processing unit 29. Each of these parts has a function or a function realized by operating any of the components shown in FIG. 2 by a command from the CPU 201 according to a program for an electronic blackboard developed on the RAM 203 from the SSD 204. It is a means to do. Further, the electronic blackboard 2 has a storage unit 2000 constructed by the RAM 203 and the SSD 204 shown in FIG.

(Each functional configuration of the electronic blackboard)
Next, each component of the electronic blackboard 2 will be described. The transmission / reception unit 21 is realized by the command from the CPU 201 shown in FIG. 2 and the network I / F205 and the external device connection I / F206, and various data (various data) with other terminals, devices or systems via the communication network 100. Or information) is sent and received.

The reception unit 22 is mainly realized by the command from the CPU 201 shown in FIG. 2, 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 the image data obtained by the camera 2900 taking an image of the subject. Further, the image / sound processing unit 23 performs voice processing on the sound data related to the voice signal after the user's voice is converted into a voice signal by the microphone 2700. Further, the image / sound processing unit 23 outputs a voice signal related to the sound data to the speaker 2800, and outputs the voice from the speaker 2800. Further, the image / sound processing unit 23 performs a process of converting the drawn image data obtained by drawing on the display 220 with the electronic pen 2500 or the hand H by the user into coordinate data. For example, when the electronic blackboard 2x transmits coordinate data to the electronic blackboard 2y of another base, the electronic blackboard 2y displays the same drawing 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 shown in FIG. 2 and a display controller 213 shown in FIG. 2, and causes the display 220 to display a drawn image.

The determination unit 25 is realized by the command from the CPU 201 shown in FIG. 2, and determines whether or not the terminal ID has been acquired from the IC card 3 or the smartphone 4.

Further, the creation unit 26a creates PDF format image data from the bitmap format drawing image data realized by the instruction from the CPU 201 shown in FIG. 2 and obtained by drawing by the user. Further, the creation unit 26b creates RPCS format image data from the bitmap format drawing image data realized by the instruction from the CPU 201 shown in FIG. 2 and obtained by drawing by the 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 shown in FIG. 2, and for example, sets the source and destination of the e-mail and sets the printer name of the print data.

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

The storage / reading processing unit 29 is executed by a command from the CPU 201 and SSD 204 shown in FIG. 2, and various data are stored in the storage unit 2000 or the recording medium 2100, or stored in the storage unit 2000 or the recording medium 2100. Performs processing such as reading various data. Further, the storage unit 2000 overwrites and stores the image data and the sound data received when communicating with another electronic blackboard or the video conferencing terminal each time it is received. Of these, the image is displayed on the display 220 by the image data before being overwritten, and the 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 parts has a function or a function realized by operating any of the components shown in FIG. 2 by a command from the CPU 311 according to an IC card program developed from the EEPROM 314 to the RAM 313. It is a 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.

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

The storage / reading processing unit 39 is executed by an instruction from the CPU 311 shown in FIG. 3, and performs a process of storing various data in the storage unit 3000 and reading various data stored in the storage unit 3000. .. Further, the storage unit 3000 stores a terminal ID for identifying an IC card as an example of the exclusive terminal.

<Functional configuration of smartphone>
As shown in FIG. 9, the smartphone 4 has an acquisition / providing unit 48 and a storage / reading processing unit 49. Each of these parts has a function or functions realized by operating any of the components shown in FIG. 4 by a command from the CPU 401 according to a smartphone program developed on the RAM 403 from the EEPROM 404. It is a means. Further, the smartphone 4 has a storage unit 4000 constructed by the RAM 403 and the EEPROM 404 shown in FIG.

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

The storage / reading processing unit 49 is executed by an instruction from the CPU 401 shown in FIG. 4, and performs a process of storing various data in the storage unit 4000 and reading 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 the exclusive terminal.

<Functional configuration of terminal management server>
The terminal management server 5 has a transmission / reception unit 51, an authentication unit 52, and a storage / reading processing unit 59. Each of these parts functions or functions as any of the components shown in FIG. 5 operates by an instruction from the CPU 501 according to a terminal management program developed on the RAM 503 from the HD 504. It is a 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 composed of a terminal management table as shown in FIG. 10A is constructed. In this terminal management table, the user who is the owner of each exclusive terminal is identified for each terminal ID for identifying all the exclusive terminals (IC card 3, smartphone 4) managed by the terminal management server 5. The user ID and the user name are associated and managed.

(Each function configuration of the terminal management server)
Next, each functional configuration of the terminal management server 5 will be described in detail. In the following, in explaining each functional configuration of the terminal management server 5, among the constituent elements shown in FIG. 5, the main constituent elements for realizing each functional configuration of the terminal management server 5 are used. The relationship is also explained.

The transmission / reception unit 51 of the terminal management server 5 shown in FIG. 9 is realized by the command from the CPU 501 shown in FIG. 5 and the network I / F 509 shown in FIG. 5, and is realized via the communication network 100. Sends and receives various data (or information) to and 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. Judge whether it is.

The storage / reading processing unit 59 is realized by the instruction from the CPU 501 shown in FIG. 5 and the HDD 505 shown in FIG. 5, and various data is stored in the storage unit 5000 or stored in the storage unit 5000. Performs processing such as reading various data.

<Functional configuration of file management server>
The file management server 8 has a transmission / reception unit 81 and a storage / reading processing unit 89. Each of these parts functions or functions when any of the components shown in FIG. 9 is operated by an instruction from the CPU 501 according to the folder management program developed from the HD 504 on the RAM 503. It is a 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 composed of a folder management table as shown in FIG. 10B is constructed. In this folder management table, each user ID for identifying all the users managed by the file management server 8 is managed in association with the folder name of the electronic folder dedicated to each user.

(Each function configuration of the file management server)
Next, each functional configuration of the file management server 8 will be described in detail. In the following, in explaining each functional configuration of the file management server 8, among the constituent elements shown in FIG. 5, the main constituent elements for realizing each functional configuration of the file management server 8 are used. The relationship is also explained.

The transmission / reception unit 81 of the file management server 8 shown in FIG. 9 is realized by the instruction from the CPU 501 shown in FIG. 5 and the network I / F 509 shown in FIG. 5, and is realized via the communication network 100. Sends and receives various data (or information) to and 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 various data is stored in the storage unit 8000 or stored in the storage unit 8000. Performs processing such as reading various data.

<< Processing or operation of the embodiment >>
Hereinafter, the processing or operation of each embodiment will be described. Here, in FIG. 1, in a case where users A and B are having a meeting using an electronic blackboard 2x in a certain conference room, user A logs in and user A or user B performs a login process. , The case of reading (reading) its own electronic file data, etc. will be described. After that, various requests and various results are transmitted and received as data (information), respectively.

<Login process>
First, the login process performed by the user A on the electronic blackboard 2x will be described with reference to FIGS. 11 to 14. FIG. 11 is a sequence diagram showing 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 showing a state in which the user uses the electronic blackboard.

As shown in FIG. 13, when the user A presses 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. 12 (A). 170 is displayed (step S11). Next, as shown in FIG. 13, when the user A brings his / her IC card 3 close to (holds) the short-range communication unit 221 of the electronic blackboard 2x, the acquisition / provision unit of the electronic blackboard 2x 28 acquires the terminal ID of the IC card from the acquisition / providing unit 38 of the IC card 3 (step S12). Then, the transmission / reception unit 21 of the electronic blackboard 2x transmits a login authentication request to the terminal management server 5 (step S13). The login authentication request includes the terminal ID acquired in step S12. As a result, 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 uses the terminal ID received in step S13 as a search key to search the terminal management table (see FIG. 10A) for the user ID corresponding to the terminal ID. .. If there is a corresponding user ID, the authentication unit 52 determines that it is a legitimate IC card (terminal ID). 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 legitimate, the authentication result includes information indicating legitimacy, a user ID, and a user name. Further, when the authentication unit 52 determines that the IC card is not legitimate, the authentication result includes information indicating that it is not legitimate. As a result, the transmission / reception unit 21 of the electronic blackboard 2x receives the authentication result.

Next, the electronic blackboard 2x performs a process 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 showing processing based on the authentication result when logging in.

As shown in FIG. 14, the determination unit 25 is information indicating that the authentication result received in step S15 is valid (that is, is the terminal ID transmitted in step S13 valid? ) Is determined (step S16-1). Then, 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 FIG. 12 (B) on the display 220. The error screen 180 is displayed as shown in (Step S16-2). If the determination unit 25 determines that the information is valid, that is, if it determines that the login is successful (YES), the process proceeds to step S17. Hereinafter, the explanation will be continued as 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. As a result, the transmission / reception unit 81 of the file management server 8 receives the request for electronic file data.

Next, in the file management server 8, the storage / reading processing unit 89 responds by searching the folder management table (see FIG. 10B) using the user ID received in step S17 as a search key. Read the electronic folder name (step S18). Further, the storage / reading processing unit 89 reads out all the electronic file data stored in the electronic folder related to the electronic folder name read in step S18 from the storage unit 8000 (step S19). Then, the transmission / reception unit 81 transmits all the electronic file data which is the request result to the electronic blackboard 2x (step S20). As a result, 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 user A of 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, the display control unit 24 is provided with a ticker indicating that it is possible to start drawing "Welcome, Mr. Kato" or the like on the display 220 as shown in FIG. 12 (C). Display. The user name received in step S15 is used as the character of "Kato". As described above, the users A and B can draw on the electronic blackboard 2x.

<Reading process of electronic file data>
First, the process of reading the electronic file data will be described with reference to FIGS. 15 and 16. FIG. 15 is a flowchart showing a process of reading electronic file data. 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. 8 (B), the reception 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 the folder selection screen 240, a "USB memory" button 241, a "primary save shared folder" button 242, and a "Mr. A's exclusive folder" button 243a are displayed. Of these, the "USB memory" button 241 is a button for reading (reading) file data from the USB memory 2600 shown in FIG. The "primary save shared folder" button 242 is temporarily saved in the shared folder of the storage unit 2000 after the "primary save in shared folder and exit" button 238a shown in FIG. 8C is pressed. It is a button for reading (reading) the file data. The "Kato-san's exclusive folder" button 243a is a button for reading (reading) file data from the user A (Kato-san)'s exclusive folder stored in the storage unit 8000 of the file management server 8. Regarding 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, the button 243a showing the user name of the logged-in user A is displayed by default. 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 the selection is clicked. 246, a "Cancel" button 249 is displayed to cancel this selection.

Next, the determination unit 25 determines whether the acquisition / provision unit 28 has acquired the terminal ID from the exclusive terminal such as the IC card 3 when the folder selection screen 240 at the time of reading is displayed (step S33). ). Here, a case where the user B (Jim) who is not logged in brings his / her smartphone 4 close to the short-range communication unit 221 of the electronic blackboard 2 shown in FIG. 15 will be continuously 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 in 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 the exclusive terminal of 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 the “Jim's exclusive folder” button 243b instead of the “Kato's exclusive folder” button 243a. Further, the file data of the user B is also sent from the file management server 7 in step S20, and is 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 own file data on the display 220.

Next, when the user B selects 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 user B selects the folder. The reception unit 22 accepts the selection of the folder (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. 16 (D) (step S36). On the file selection screen 245, the file names 243b1,243b2 of the electronic file data stored in the exclusive folder of the user B are displayed. At the bottom of the file selection screen 245 (see FIGS. 16B and 16D), after the file names 243a1 (243b1) and 243a (243b2) are selected, "OK" for confirming the selection. Button 247, a "Cancel" button 249 to cancel this selection is displayed.

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 reception unit 22 receives the file. Accepts the selection of the electronic file to be read (step S37). As a result, the storage / reading processing unit 29 reads (reads) the file data related 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 which is the content of the file data (step 39).

On the other hand, in step S32, the user B (Jim) who is not logged in while the display control unit 24 is displaying the folder selection screen 240 as shown in FIG. 16A on the display 220. However, while the user A keeps his / her smartphone 4 away from the short-range communication unit 221 of the electronic blackboard 2 shown in FIG. 15, the user A uses the “Kato-san's exclusive folder” shown in FIG. 16 (A). When the button 243a is pressed for selection and the "OK" button 247 is pressed, the processes of steps S35 and S39 are performed from the processes of steps S33 and NO. In this case, in step S36, the file selection screen 245 shown in FIG. 16B is displayed. Also in this case, the file names 243a1,243a2 of the electronic file data stored in the exclusive folder of the user A are displayed on the file selection screen 245.

This completes the process of reading the electronic file data.

<< Main effects of the embodiment >>
As described above, according to the present embodiment, the electronic file data in the 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 and effort to acquire the 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 (example of shared terminal)
2y electronic blackboard (an example of a shared terminal)
3 IC card (example of exclusive terminal)
4 Smartphone (example of exclusive terminal)
5 Terminal management server 8 File management server 11a PC (example of personal terminal)
11 PC (an example of a personal terminal)
12 MFP (an example of printing equipment)
13 Video conferencing terminal 21 Transmitter / receiver (example of transmitting means, example of receiving means)
22 Reception unit 23 Image / sound processing unit 24 Display control unit (example of display control means)
25 Judgment unit 26a Creation unit (an example of the first creation means)
26b Creation unit (an example of the second creation means)
28 Acquisition / Provision Department (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

Japanese Unexamined Patent Publication No. 2001-292266

Claims (9)

A shared terminal that displays images that can be viewed by multiple users.
An acquisition means for acquiring the first terminal identification information for identifying the first exclusive terminal from the first exclusive terminal of the first user, and
The acquisition means is used for the terminal management server that manages the predetermined terminal identification information for identifying a predetermined dedicated terminal and the predetermined user identification information for identifying a user of the predetermined dedicated terminal in association with each other. A transmission means for transmitting a login authentication request together with the acquired first terminal identification information, and
When login authentication is performed by determining whether the terminal management server manages the first terminal identification information based on the transmission of the first terminal identification information by the transmission means, and if the login is successful, A receiving means for receiving the first user identification information for identifying the first user, which is transmitted by the terminal management server, and
Have,
The transmitting means is a receiving means for a file management server that manages by associating a predetermined folder name of a dedicated folder in which a predetermined user identification information and a predetermined electronic file data of a predetermined user are stored. Send the first user identification information received by
The receiving means is a first folder of the first user, which is transmitted by the file management server and is indicated by the first user identification information, based on the transmission of the first user identification information. A shared terminal characterized by receiving the first electronic file data stored in a dedicated folder of the name. When the login is successful, the receiving means receives the predetermined terminal identification information, the predetermined user identification information, and the predetermined user name of the predetermined user indicated by the predetermined user identification information. Upon receiving the first user name of the first user transmitted by the terminal management server that is associated and managed,
The shared terminal according to claim 1, further comprising a display control means for selectively displaying the exclusive folder of the first user name when selecting a destination for reading the electronic file data. When the display control means displays the exclusive folder of the first user name in a selectable manner when selecting the reading destination of the electronic file data, the acquisition means is the second user of the second user. When the second terminal identification information for identifying the second exclusive terminal is acquired from the exclusive terminal of the above, the transmission means causes the terminal management server to acquire the second terminal by the acquisition means. A request for authentication of the second dedicated terminal is transmitted together with the terminal identification information,
The receiving means determines whether the terminal management server manages the second terminal identification information based on the transmission of the second terminal identification information by the transmitting means, thereby determining whether the second terminal identification information is managed by the second dedicated terminal. Is authenticated, and when the authentication is successful, the second user identification information for identifying the second user, which is 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, which is transmitted by the file management server and is indicated by the second user identification information, based on the transmission of the second user identification information. The shared terminal according to claim 1, wherein the second electronic file data stored in the exclusive folder of the name is received. When the login is successful, the receiving means receives the predetermined terminal identification information, the predetermined user identification information, and the predetermined user name of the predetermined user indicated by the predetermined user identification information. Upon receiving the first user name of the first user transmitted by the terminal management server that is associated and managed,
It has a display control means for displaying the exclusive folder of the first user name in a selectable manner when selecting a destination for reading the electronic file data.
When the authentication of the second exclusive terminal is successful, the receiving means is the predetermined terminal identification information, the predetermined user identification information, and the predetermined user indicated by the predetermined user identification information. Upon receiving the second user name of the second user transmitted by the terminal management server that manages the predetermined user name in association with each other,
The display control means is characterized in that when the destination for reading the electronic file data is selected, the exclusive folder for the second user name is selectively displayed instead of the exclusive folder for the first user name. The shared terminal according to claim 3. The shared terminal according to any one of claims 1 to 4, which is an electronic blackboard. The shared terminal according to any one of claims 1 to 5.
With the terminal management server
A communication system characterized by having. The communication system according to claim 6 is a communication system including 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 the first terminal identification information for identifying the first exclusive terminal from the first exclusive terminal of the first user, and
By the acquisition step, the terminal management server that manages the predetermined terminal identification information for identifying the predetermined exclusive terminal and the predetermined user identification information for identifying the user of the predetermined exclusive terminal in association with each other. A transmission step of transmitting a login authentication request together with the acquired first terminal identification information, and
When the login authentication is performed by determining whether the terminal management server manages the first terminal identification information based on the transmission of the first terminal identification information by the transmission step, and the login is successful, A receiving step of receiving the first user identification information for identifying the first user, which is transmitted by the terminal management server, and
And run
The transmission step is a reception step for a file management server that manages the predetermined folder name of the exclusive folder in which the predetermined user identification information and the predetermined electronic file data of the predetermined user are stored in association with each other. Including the process of transmitting the first user identification information received by
The receiving step 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 communication method comprising the process of receiving a first electronic file data stored in a dedicated folder of a name. A program for causing a computer to realize each of the means according to any one of claims 1 to 4.

Images