JP2014060552A - Transmission system, transmission management system and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a transmission system which enables a meeting participant to easily understand who attends the meeting by using which transmission terminal.SOLUTION: In a transmission system, a transmission terminal comprises: an acquisition part for acquiring user identification information from devices; and a first transmission part for transmitting the user identification information to a transmission management system. In the transmission system, the transmission management system comprises: a first storage part for storing transmission terminal identification information for identifying a request source terminal of a transmission request and transmission terminal identification information for identifying a destination terminal of the transmission request in relation to each other; a first extraction part for extracting transmission terminal identification information of a request source terminal which has a transmission terminal of a transmission source of the user identification information as a destination terminal in reference to the first storage part; and a first transmission part for transmitting the user identification information and the transmission terminal identification information of the transmission terminal of the user identification information transmission source in relation to each other to the extracted request source terminal.

Description

  The present invention relates to a transmission system, a transmission management system, and a program.

  The remote conferencing system collects images and sounds by taking pictures of attendees and collecting the remarks of attendees in a conference room where there are attendees of the remote conference, and transmits the collected images and sounds It is converted into digital data by the terminal and sent to the other party's transmission terminal, and an image is displayed on the display of the other party's conference room, such as a video screen, or sound is output from the speaker, so that the situation is close to the actual meeting. Realize.

  In such a remote conference system, all transmission terminals participating in the conference are connected to the relay device, and the relay device controls the distribution of image data and sound data to each transmission terminal, so that the multi-site A technology for realizing a remote conference is already known.

  In a remote conference between multiple sites, a user who uses a predetermined transmission terminal can know who is participating in the conference using another transmission terminal during the conference. A technique for displaying a list on the screen of a transmission terminal is also known. For example, Patent Document 1 discloses a technique for displaying location information of a base system that is carrying out a meeting and images (face images) of meeting participants at each base in association with each other. Further, Patent Document 1 displays a face image of a user who has already participated in the conference by reading the image of the conference participant recorded on the IC card at the time of joining the conference. A technique for displaying only the name is also disclosed.

  However, in the prior art, it is necessary to register participants in advance, and when unscheduled unregistered participants join the conference, who is unregistered because they are unregistered There is a problem that it becomes impossible for a participant who uses another transmission terminal to grasp.

  For this reason, a participant who uses another transmission terminal needs to perform an operation such as confirming with a partner site by voice in order to know who is participating in the conference.

  The present invention has been made in view of the above, and a transmission system, a transmission management system, and a transmission system in which a user can easily grasp who is participating in a conference using which transmission terminal. The purpose is to provide a program.

  In order to solve the above-described problems and achieve the object, the present invention is a transmission system comprising a plurality of transmission terminals and a transmission management system for managing the transmission terminals, wherein the transmission terminals An acquisition unit that acquires the user identification information from a device that stores the user identification information to be identified; and a first transmission unit that transmits the user identification information to the transmission management system, wherein the transmission management system includes the transmission A first receiving unit that receives the user identification information from a terminal; transmission terminal identification information that identifies a requesting terminal that is the transmission terminal requesting a transmission request; and a transmission terminal that is a destination of the transmission request A first storage unit that associates and stores transmission terminal identification information that identifies a destination terminal, and the transmission of the transmission source of the user identification information received by the first reception unit with reference to the first storage unit A first extraction unit that extracts the transmission terminal identification information of the request source terminal having the end as the destination terminal; the user identification information and the user identification in the request source terminal extracted by the first extraction unit; A first transmission unit that associates and transmits the transmission terminal identification information of the transmission terminal of the information transmission source, and the transmission terminal receives the transmission terminal identification information and the user identification information The display device further includes a second receiving unit, a display control unit that displays the transmission terminal identification information received by the second receiving unit and the user identification information in association with each other.

  Further, the present invention is a transmission management system for managing a plurality of transmission terminals, which is read from a device that stores user identification information for identifying users participating in transmission using the transmission terminals. A receiving unit that receives the user identification information, transmission terminal identification information that identifies the requesting terminal that is the transmission terminal that is the request source of the transmission request, and a destination terminal that is the transmission terminal that is the destination of the transmission request A storage unit that associates and stores transmission terminal identification information, and refers to the storage unit, and the request source terminal uses the transmission terminal that is the transmission source of the user identification information received by the reception unit as the destination terminal. An extraction unit that extracts the transmission terminal identification information; and the request source terminal extracted by the extraction unit includes the user identification information and a front of the transmission terminal that is the transmission source of the user identification information. And a sending unit for transmitting in association with a transmission terminal identification information.

  The present invention also provides transmission terminal identification information for identifying a request source terminal that is a transmission terminal that is a request source of a transmission request, and transmission terminal identification information for identifying a destination terminal that is the transmission terminal that is a destination of the transmission request. In the transmission terminal, the computer having a storage unit that stores the information in association is received using the transmission terminal, the user identification information read from a device that stores user identification information for identifying a user participating in transmission. A receiving unit; and an extraction unit that refers to the storage unit and extracts the transmission terminal identification information of the request source terminal having the transmission terminal of the transmission source of the user identification information received by the reception unit as the destination terminal; The user identification information and the transmission terminal identification information of the transmission terminal that is the transmission source of the user identification information are transmitted in association with the request source terminal extracted by the extraction unit. Is a program for functioning as a transmission unit for.

  According to the present invention, there is an effect that other conference participants can easily grasp which transmission terminal is used and who is participating in the conference.

It is a schematic block diagram of a transmission system. It is the conceptual diagram which showed the state of transmission / reception of the image data in the transmission system, sound data, and various management information. It is a conceptual diagram for demonstrating the image quality of image data. It is an external view of a transmission terminal. It is a hardware block diagram of a transmission terminal. It is a hardware block diagram of a transmission management apparatus, a relay apparatus, or a program provision apparatus. It is a functional block diagram of a transmission terminal and a transmission management system. It is a conceptual diagram of the memory | storage part of an NFC tag. It is a conceptual diagram of a terminal authentication management table. It is a conceptual diagram of a terminal management table. It is a conceptual diagram of a destination list management table. It is a sequence diagram which shows the preparatory stage operation | movement of a transmission system. It is a sequence diagram which shows the conference participation operation | movement of a transmission system. It is a sequence diagram which shows the data transmission operation | movement of a transmission system. It is a sequence diagram which shows the operation | movement which displays the information of the participant of a video conference. It is a conceptual diagram of the terminal management table after an update. It is a conceptual diagram which shows the display screen of full screen display mode. It is a sequence diagram which shows a display switching operation. It is a conceptual diagram which shows the display screen of information display mode. It is a transition diagram which shows the communication state after a user participates in a meeting until it leaves. It is the sequence figure which showed the display operation of participant information. It is a conceptual diagram of a user name table. It is the sequence diagram which showed the display operation of the leaving person information. It is a figure which shows the example of a display of a destination list. It is a sequence diagram which shows the operation | movement which displays a participant name. It is a figure which shows the example of a display of the destination list | wrist to which the participant name was added. It is a sequence diagram which shows the operation | movement which displays the participant name of a predetermined | prescribed destination terminal. It is a figure which shows the example of a display of the destination list to which the participant name of the predetermined destination terminal was added. It is a figure which shows the example of a display of a destination list | wrist concerning another example.

  Hereinafter, embodiments of a transmission system, a transmission terminal, a transmission management system, and a program will be described in detail with reference to the accompanying drawings.

(First embodiment)
<< Overall Configuration of Embodiment >>
FIG. 1 is a schematic diagram of a transmission system 1 according to the first embodiment. FIG. 2 is a conceptual diagram showing a state of transmission / reception of image data, sound data, and various management information in the transmission system 1. FIG. 3 is a conceptual diagram illustrating the image quality of image data.

  In addition, the transmission system includes a data providing system that transmits content data in one direction from one transmission terminal to a plurality of transmission terminals via a transmission management device, and information between a plurality of transmission terminals via a transmission management device. Includes a communication system that communicates emotions and the like. The communication system is a system for mutually transmitting information, emotions, etc. between a plurality of communication terminals (corresponding to “transmission terminals”) via a communication management apparatus (corresponding to “transmission management apparatus”). Examples include systems and video telephone systems.

  In the present embodiment, a video conference system as an example of a communication system, a video conference management device as an example of a communication management device, and a video conference terminal as an example of a communication terminal are assumed. The terminal will be described. That is, the transmission terminal and the transmission management apparatus of the present invention are not only applied to a video conference system but also applied to a communication system or a data transmission system.

  As shown in FIG. 1, the transmission system 1 includes a plurality of transmission terminals 10aa, 10ab,..., Displays 120aa, 120ab,. And a transmission management device 50 as a transmission management system, and a program providing device 90. The transmission terminals 10aa, 10ab,... Are configured to transmit, for example, image data and sound data as content data.

  In the following description, among the plurality of transmission terminals 10aa, 10ab,..., An arbitrary transmission terminal is represented as “transmission terminal 10”, and among the plurality of displays 120aa, 120ab,. This display is represented as “display 120”. The requesting transmission terminal 10 requesting the start of the video conference is represented as “requesting terminal”, and the requesting transmission terminal 10 is represented as “destination terminal”.

  As shown in FIG. 2, in the transmission system 1, a management information session sei for transmitting and receiving various types of management information is established between the request source terminal and the destination terminal via the transmission management device 50.

  Further, between the transmission terminals 10 in which the management information session sei has been established, four pieces of data of high resolution image data, medium resolution image data, low resolution image data, and sound data are transmitted and received via the relay device 30. Four sessions are established. In the present embodiment, these four sessions are collectively represented as “image / sound data session sed”.

  Here, the image data handled in the present embodiment is encoded in a scalable manner. For example, as shown in FIG. 3A, the image data handled in the present embodiment is composed of 320 pixels in the horizontal direction and 180 pixels in the vertical direction, and low-resolution image data serving as a base image, and FIG. As shown in FIG. 3, medium-resolution image data consisting of 640 pixels in the horizontal direction and 360 pixels in the vertical direction, and high-resolution image data consisting of 1280 pixels in the horizontal direction and 720 pixels in the vertical direction as shown in FIG. There is.

  Here, when the band through which image data is transmitted is narrow, only low-resolution image data serving as a base image is transmitted, and the transmission terminal 10 on the receiving side is based on the transmitted low-resolution image data. Thus, only low-quality images can be displayed.

  When the band through which the image data is transmitted is relatively wide, low-resolution image data and medium-resolution image data serving as a base image are transmitted, and the transmission terminal 10 on the receiving side transmits the transmitted low-resolution image data. A medium quality image can be displayed based on the resolution image data and the medium resolution image data.

  In addition, when the band through which image data is transmitted is very wide, low-resolution image data, medium-resolution image data, and high-resolution image data serving as base image quality are transmitted, and the transmission terminal 10 on the reception side. Can display a high-quality image based on the transmitted low-resolution image data, medium-resolution image data, and high-resolution image data.

  In FIG. 1, the relay device 30 relays content data among a plurality of transmission terminals 10. The transmission management device 50 is configured to centrally manage login authentication from the transmission terminal 10, transmission state management of the transmission terminal 10, destination list management, transmission status of the relay device 30, and the like. The image represented by the image data may be a moving image or a still image, or may be both a moving image and a still image.

  The plurality of routers 70a, 70b, 70c, 70d, 70ab, and 70cd select an optimum route for image data and sound data. In the following description, an arbitrary router among the routers 70a, 70b, 70c, 70d, 70ab, and 70cd is represented as “router 70”.

  The program providing apparatus 90 includes an HD (Hard Disk) 204 described later, stores a transmission terminal control program for causing the transmission terminal 10 to realize various functions, and transmits the transmission terminal control program to the transmission terminal 10. Can do.

  The HD 204 of the program providing device 90 also stores a relay device program for causing the relay device 30 to realize various functions, and can transmit the relay device program to the relay device 30.

  Further, the HD 204 of the program providing apparatus 90 also stores a transmission management program for causing the transmission management apparatus 50 to realize various functions, and can transmit the transmission management program to the transmission management apparatus 50.

  The transmission terminals 10aa, 10ab, 10ac,... And the router 70a are connected by a LAN 2a so that transmission is possible. The transmission terminals 10ba, 10bb, 10bc,... And the router 70b are connected by a LAN 2b so that transmission is possible.

  The LAN 2a and the LAN 2b are connected so as to be able to transmit via a dedicated line 2ab including a router 70ab, and are provided in a predetermined area A. For example, the region A is Japan, the LAN 2a is provided in a Tokyo office, and the LAN 2b is provided in an Osaka office.

  On the other hand, the transmission terminals 10ca, 10cb, 10cc,... And the router 70c are connected by a LAN 2c so that transmission is possible. The transmission terminals 10da, 10db, 10dc,... And the router 70d are connected by a LAN 2d so that transmission is possible.

  The LAN 2c and the LAN 2d are connected so as to be able to transmit via a dedicated line 2cd including the router 70cd, and are provided in a predetermined area B. For example, area B is the United States of America, LAN 2c is set up in a New York office, and LAN 2d is Washington D.C. C. Is established in the office. Area A and area B are connected to each other through routers 70ab and 70cd via the Internet 2i so as to be able to transmit to each other.

  The relay device 30, the transmission management device 50, and the program providing device 90 are connected to the respective transmission terminals 10 via the Internet 2i so as to be able to transmit. Here, the relay device 30, the transmission management device 50, and the program providing device 90 may be installed in the region A or the region B, or may be installed in a region other than these.

  In the present embodiment, the LAN 2a, the LAN 2b, the dedicated line 2ab, the Internet 2i, the dedicated line 2cd, the LAN 2c, and the LAN 2d constitute the transmission network 2 of the present embodiment. The transmission network 2 may have a place where wireless transmission is performed, such as WiFi (Wireless Fidelity) and Bluetooth (registered trademark), in addition to wired communication.

  In FIG. 1, four sets of numbers shown below each transmission terminal 10, relay device 30, transmission management device 50, each router 70, and program providing device 90 are simplified IP addresses in general IPv4. Is shown. For example, the IP address of the transmission terminal 10aa is “1.2.1.3”. In addition, IPv6 may be used instead of IPv4, but IPv4 will be used for the sake of simplicity.

  Each transmission terminal 10 is not only a video conference between a plurality of offices, a video conference between different rooms in the same office, but also a video conference in the same room, outdoors and indoors, or outdoors and outdoors. It may be used in video conferences. When each transmission terminal 10 is used outdoors, wireless transmission such as a cellular phone transmission network is performed.

<< Hardware Configuration of Embodiment >>
As shown in FIG. 4, the transmission terminal 10 includes a housing 1100, an arm 1200, and a camera housing 1300. Among them, the front side wall surface 1110 of the housing 1100 is provided with an air intake surface (not shown) formed by a plurality of air intake holes, and the rear side wall surface 1120 of the housing 1100 is formed with a plurality of exhaust holes. An exhaust surface 1121 is provided. Thus, by driving a cooling fan built in the housing 1100, outside air behind the transmission terminal 10 can be taken in through an intake surface (not shown) and exhausted to the rear of the transmission terminal 10 through an exhaust surface 1121. it can. A sound collecting hole 1131 is formed in the right wall surface 1130 of the housing 1100, and sounds such as voice, sound, noise can be collected by a built-in microphone 114 described later.

  An operation panel 1150 is formed on the right wall surface 1130 side of the housing 1100. The operation panel 1150 is provided with a plurality of operation buttons (108a to 108e) to be described later, a power switch 109 to be described later, and an alarm lamp 119 to be described later, and outputs sound from a built-in speaker 115 to be described later. A sound output surface 1151 formed by a plurality of sound output holes for passing through is formed.

  Further, a housing 1160 as a recess for housing the arm 1200 and the camera housing 1300 is formed on the left wall surface 1140 side of the housing 1100. The right side wall surface 1130 of the housing 1100 is provided with a plurality of connection ports (1132a to 1132c) for electrically connecting cables to an external device connection I / F 118 described later. On the other hand, the left wall surface 1140 of the housing 1100 is provided with a connection port (not shown) for electrically connecting the cable 120c for the display 120 to an external device connection I / F 118 described later.

  In the following description, “operation button 108” is used when an arbitrary operation button is indicated among the operation buttons (108a to 108e), and “an arbitrary connection port is indicated among the connection ports (1132a to 1132c)”. This will be described using the connection port 1132 ”.

  Next, the arm 1200 is attached to the housing 1100 via a torque hinge 1210, and the arm 1200 is configured to be able to rotate in the vertical direction with respect to the housing 1100 within a tilt angle θ1 of 135 degrees. ing. FIG. 2 shows a state where the tilt angle θ1 is 90 degrees.

  The camera housing 1300 is provided with a built-in camera 112 described later, and can capture images of users, documents, rooms, and the like. A torque hinge 1310 is formed in the camera housing 1300. The camera housing 1300 is attached to the arm 1200 via a torque hinge 1310. The camera housing 1300 is attached to the arm 1200 via a torque hinge 1310. The pan angle θ2 of ± 180 degrees is assumed with respect to the arm 1200, with the state shown in FIG. And a tilt angle θ3 of ± 45 degrees can be rotated in the vertical and horizontal directions.

  As another example, the terminal 10 may be a general general-purpose computer. If the computer used as the terminal 10 is not equipped with a microphone or a camera, an external microphone and camera are connected to the computer. Thereby, a general purpose computer can be utilized as the terminal 10 concerning this Embodiment. When a general-purpose computer is used as the terminal 10, an application for executing processing of the terminal 10 described later is installed in the computer.

  As shown in FIG. 5, the transmission terminal 10 includes a CPU (Central Processing Unit) 101 that controls the operation of the entire transmission terminal 10 and a ROM that stores a program used to drive the CPU 101 such as an IPL (Initial Program Loader). Read Only Memory) 102, RAM (Random Access Memory) 103 used as a work area for the CPU 101, flash memory 104 for storing various data such as a transmission terminal control program, image data and sound data, and control of the CPU 101 Accordingly, an SSD (Solid State Drive) 105 that controls reading or writing of various data with respect to the flash memory 104, a media drive 107 that controls reading or writing (storage) of data with respect to a recording medium 106 such as a flash memory, and the transmission terminal 10 Select the destination An operation button 108 operated in some cases, a power switch 109 for switching on / off the power of the transmission terminal 10, and a network I / F (Interface) 111 for data transmission using the transmission network 2. And.

  The transmission terminal 10 also includes a built-in camera 112 that captures an image of a subject under the control of the CPU 101 to obtain image data, an image sensor I / F 113 that controls driving of the camera 112, and a built-in sound collection device that inputs sound. A microphone 114 as a device, a built-in speaker 115 that outputs sound, a sound input / output I / F 116 that processes input / output of a sound signal between the microphone 114 and the speaker 115 according to the control of the CPU 101, and control of the CPU 101 The display I / F 117 that transmits image data to the external display 120, the external device connection I / F 118 for connecting various external devices, and the NFC (Near Field Communication) conforming to the wireless communication standard for non-contact ICs ), A communication I / F 119 for performing wireless communication with an NFC tag 22 to be described later, and the above-described components are electrically connected. And a bus line 110 of the address bus, a data bus, and the like for connecting.

  The display 120 constitutes a display device composed of a liquid crystal or an 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, or an HDMI (High-Definition Multimedia Interface) or DVI (Digital Video Interactive) signal. A cable may be used.

  The camera 112 includes a lens and a solid-state imaging device that converts light into electric charges and digitizes an object image, and a CMOS (Complementary Metal Oxide Semiconductor) or a CCD (Charge Coupled Device) is used as the solid-state imaging device. It is done.

  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 (Universal Serial Bus) cable or the like.

  When an external camera is connected to the external device connection I / F 118, the CPU 101 drives the external camera in preference to the built-in camera 112. When an external microphone or an external speaker is connected to the external device connection I / F 118, the CPU 101 has priority over the internal microphone 114 or the internal speaker 115, respectively, and the external microphone or external speaker. The speaker is driven.

  The recording medium 106 is configured to be detachable from the transmission terminal 10. Further, the transmission terminal 10 may use an EEPROM (Electrically Erasable and Programmable ROM) or the like instead of the flash memory 104 as long as it is a nonvolatile memory that reads or writes data according to the control of the CPU 101.

  The transmission terminal control program may be a file in an installable format or an executable format, recorded on a computer-readable recording medium such as the recording medium 106, and distributed. Further, the transmission terminal control program may be stored in the ROM 102 instead of the flash memory 104.

  As illustrated in FIG. 6, the transmission management device 50 is used as a CPU 201 that controls the operation of the entire transmission management device 50, a ROM 202 that stores a program used to drive the CPU 201 such as an IPL, and a work area for the CPU 201. Data for RAM 203, HD 204 for storing various data such as a transmission management program, HDD (Hard Disk Drive) 205 for controlling reading or writing of various data with respect to HD 204 according to control of CPU 201, and data for recording medium 206 such as flash memory A media drive 207 for controlling reading or writing (storage) of data, a display 208 for displaying various information such as a cursor, menu, window, character, or image, and a network for data transmission using the transmission network 2. A work I / F 209, a keyboard 211 having a plurality of keys for inputting characters, numerical values, various instructions, etc., a mouse 212 for selecting and executing various instructions, selecting a processing target, moving a cursor, etc. A CD-ROM drive 214 that controls reading or writing of various data with respect to a CD-ROM (Compact Disc Read Only Memory) 213 as an example of a detachable recording medium, and an address for electrically connecting the above components. And a bus line 210 such as a bus or a data bus.

  The transmission management program may be recorded in a computer-readable recording medium such as the recording medium 206 or the CD-ROM 213 and distributed as a file in an installable or executable format. Further, the transmission management program may be stored in the ROM 202 instead of the HD 204.

  Further, since the relay device 30 has the same hardware configuration as the transmission management device 50, the description thereof is omitted. However, a relay device program for controlling the relay device 30 is recorded in the HD 204.

  In this case as well, the relay device program may be installed in an installable or executable format, recorded in a computer-readable recording medium such as the recording medium 206 or the CD-ROM 213, and distributed. . Further, the relay device program may be stored in the ROM 202 instead of the HD 204.

  The program providing apparatus 90 has the same hardware configuration as that of the transmission management apparatus 50, and thus the description thereof is omitted. However, the program providing apparatus program for controlling the program providing apparatus 90 is recorded in the HD 204.

  Also in this case, the program providing apparatus program is a file in an installable or executable format, and may be recorded and distributed on a computer-readable recording medium such as the recording medium 206 or the CD-ROM 213. Good. Further, the program providing apparatus program may be stored in the ROM 202 instead of the HD 204.

  Note that a CD-R (Compact Disc Recordable), a DVD (Digital Versatile Disk), a Blu-ray disc, or the like may be applied as the computer-readable recording medium.

<< Functional Configuration of Embodiment >>
As illustrated in FIG. 7, the transmission terminal 10, the relay device 30, and the transmission management device 50 are connected so as to be able to transmit data via the transmission network 2. Further, the transmission terminal 10 can establish short-range wireless communication with the NFC tag 22 and acquire data from the NFC tag 22 by the communication I / F 119 illustrated in FIG. 5. The program providing apparatus 90 shown in FIG. 1 is not directly related to the transmission of data related to the video conference, and is not shown in FIG.

<Functional configuration of transmission terminal>
The transmission terminal 10 includes a transmission / reception unit 11, an operation input reception unit 12, a login request unit 13, an imaging unit 14, a sound input unit 15a, a sound output unit 15b, an NFC reception unit 16, a display control unit 17, and a storage / read processing unit. 19. These units are functions realized by the CPU 101 that executes the transmission terminal control program developed from the flash memory 104 onto the RAM 103. In addition, the transmission terminal 10 includes a storage unit 1000 that includes a RAM 103 and a flash memory 104.

(Functional configuration of transmission terminal)
The transmission / reception unit 11 includes a CPU 101 and a network I / F 111, and transmits / receives various data and information to / from other transmission terminals 10 or devices 30, 50, 90 via the transmission network 2. The transmitter / receiver 11 constitutes a transmitter and a receiver of the transmission terminal 10 according to the present invention.

  The transmission / reception unit 11 starts reception of each status information indicating the status of each transmission terminal 10 as a candidate for a video conference connection destination from the transmission management device 50 before starting a video conference with a desired destination terminal. It has become.

  The status information represents not only the transmission status of each transmission terminal 10 online or offline, but also the transmission status such as whether transmission is possible online or transmission is online.

  As another example, the status information includes not only the transmission status of each transmission terminal 10, but also the cable 120c is disconnected from the transmission terminal 10 at the transmission terminal 10, or a sound is output but no image is output. Various states may be represented such as preventing sound from being output (MUTE).

  The operation input receiving unit 12 includes a CPU 101, operation buttons 108, and a power switch 109, and receives various inputs from the user. For example, when the user turns on the power switch 109, the operation input receiving unit 12 receives the power ON and turns on the power of the transmission terminal 10.

  The login request unit 13 is configured by the CPU 101, and upon receipt of power ON, login request information indicating that a login is requested from the transmission / reception unit 11 to the transmission management device 50 via the transmission network 2 and the current local terminal The IP address is sent.

  When the user turns the power switch 109 from the ON state to the OFF state, after the transmission / reception unit 11 transmits state information indicating that the power is turned off to the transmission management device 50, the operation input reception unit 12 transmits the transmission terminal 10. The power is turned off completely. As a result, the transmission management apparatus 50 can recognize that the transmission terminal 10 has been switched from power ON to power OFF.

  The imaging unit 14 includes a CPU 101, a camera 112, and an imaging element I / F 113. The imaging unit 14 images a subject and outputs image data obtained by imaging to the transmission / reception unit 11.

  The sound input unit 15a includes the CPU 101 and the sound input / output I / F 116. The sound input unit 15a is input with a sound signal representing the sound collected by the microphone 114, and converts the input sound signal into sound data.

  The sound output unit 15b is configured by the CPU 101 and the sound input / output I / F 116, converts sound data into a sound signal, and outputs the converted sound signal to the speaker 115, thereby causing the speaker 115 to output sound. ing.

  The NFC receiving unit 16 is configured by the CPU 101 and the communication I / F 119. When the NFC tag 22 approaches a predetermined communication range and wireless communication by electromagnetic induction with the NFC tag 22 (hereinafter referred to as NFC communication) is established, the NFC tag 22 The information stored in the tag 22 is received. That is, the NFC reception unit 16 functions as an acquisition unit that acquires information from the NFC tag 22 as a device.

  The display control unit 17 includes a CPU 101 and a display I / F 117 and displays various information on the display 120. The display control unit 17 combines the image data with different resolutions received by the transmission / reception unit 11 and transmits the combined image data to the display 120, thereby causing the display 120 to display an image represented by the image data. .

  In addition, the display control unit 17 displays the destination list on the display 120 by transmitting the information on the destination list received by the transmission / reception unit 11 from the transmission management apparatus 50 to the display 120.

  The storage / read processing unit 19 includes a CPU 101 and an SSD 105, and stores various data in the storage unit 1000 and reads various data stored in the storage unit 1000.

  The storage unit 1000 stores an identifier for identifying the transmission terminal 10 (hereinafter referred to as “terminal ID”), a password, and the like. Further, the storage unit 1000 is also used as a reception buffer for image data and sound data received when a video conference is performed with a destination terminal.

  Note that the terminal ID of the present embodiment indicates information such as a language, characters, symbols, or various marks used to uniquely identify the transmission terminal 10. The terminal ID may be information in which at least two of a language, characters, symbols, and various signs are combined.

<Functional configuration of NFC tag>
The NFC tag 22 has a communication unit 221 and a storage unit 222. When the communication unit 221 approaches the NFC reception unit 16, the communication unit 221 transmits information stored in the storage unit 222 to the NFC reception unit 16 by NFC communication. When the distance between the NFC tag 22 and the NFC receiving unit 16 is shorter than about 10 cm, NFC communication that is contactless wireless communication is possible.

  FIG. 8 is a diagram schematically illustrating a data configuration of the storage unit 222. The storage unit 222 is divided into a plurality of blocks. Each block can store 32-byte information. Block No. 1 stores a unique number which is information unique to the card. Also, block No. 2 stores a user name which is information for identifying the user.

  Note that the NFC tag 22 may be any of a passive type, a semi-passive type, and an active type. Further, the NFC tag 22 may be embedded as an NFC chip in an IC card such as an employee ID card possessed by a user who may participate in a meeting, and as another example, the NFC tag 22 is possessed by the user. It may be embedded as an NFC chip in a smartphone or mobile phone.

  The storage unit 222 is not necessarily provided in the NFC tag 22, and may be provided in a storage area accessible by the NFC tag 22. For example, when the NFC tag 22 is embedded in another device such as a smartphone, the storage unit 222 is stored in a storage area provided in the device, a storage area externally attached to the device such as a SIM card or an SD card. It may be provided.

  Further, instead of the NFC tag 22, an RFID (Radio Frequency Identification) tag using a microwave may be used. In this case, the transmission terminal 10 has an RFID receiving unit instead of the NFC receiving unit 16, and the RFID receiving unit uses a short distance (several centimeters depending on the frequency band) using an electromagnetic field or a radio wave from the RFID tag. Information is received by wireless communication of up to several m).

  The NFC tag 22 only needs to be a device that can store information in a state that can be acquired by the transmission terminal 10, and another example is a portable external memory such as a USB (Universal Serial Bus) memory. It may be. In this case, the transmission terminal 10 needs to include a USB connector.

<Functional configuration of transmission management device>
The transmission management device 50 includes a transmission / reception unit 51, a terminal authentication unit 52, a state management unit 53, a terminal extraction unit 54, a terminal state acquisition unit 55, a user name management unit 56 as a user identification information management unit, and a storage / read processing unit. 59. These units are functions realized by the CPU 201 that executes a transmission management program developed from the HD 204 onto the RAM 203. In addition, the transmission management device 50 includes a storage unit 5000 configured by the HD 204.

(Terminal authentication management table)
In the storage unit 5000, a terminal authentication management DB 5002 having a terminal authentication management table as shown in FIG. 9 is constructed. In the terminal authentication management table, each password is associated and managed with an ID for identifying each terminal of all transmission terminals 10 managed by the transmission management device 50. For example, the terminal authentication management table shown in FIG. 9 indicates that the terminal ID of the transmission terminal 10aa is “01aa” and the password is “aaaa”.

(Terminal management table)
Further, in the storage unit 5000, a terminal management DB 5003 having a terminal management table as shown in FIG. 10 is constructed. The terminal management DB 5003 constitutes a second storage unit.

  In the terminal management table, for each terminal ID of each transmission terminal 10, the identification name of each transmission terminal 10 (hereinafter referred to as "terminal name"), the transmission status of each transmission terminal 10, and the login system 1 The reception date and time when the log-in request information is received by the transmission management device 50, the IP address of the transmission terminal 10, and the participant name received by the transmission management device 50 from the transmission terminal 10 are associated and managed. The participant name is a user name stored in the NFC tag 22 possessed by the user who uses the transmission terminal 10 that is the transmission source of the login request information.

  For example, in the terminal management table shown in FIG. 10, the terminal name is “Japan Tokyo Office AA terminal” and the transmission state is “online (during transmission)” for the transmission terminal 10aa with the terminal ID “01aa”. The date and time when the login request information is received by the transmission management device 50 is “13:40 on November 10, 2009” and the IP address of the transmission terminal 10aa is “1.2.1.3”. Represents.

  Here, the terminal ID in the terminal management table is uniquely assigned when the transmission terminal 10 is registered in the transmission system 1, and the terminal name is registered or changed by the administrator of the transmission management apparatus 50. The terminal name may be registered or changed in response to a request made from the transmission terminal 10 to the transmission management device 50.

  The transmission state “online (transmittable)” indicates that the transmission terminal 10 is logged into the transmission system 1 and is not participating in the video conference, and is “online (during transmission)”. Indicates that the transmission terminal 10 is logged in to the transmission system 1 and is participating in a video conference. The transmission state “offline” indicates that the transmission terminal 10 has not logged into the transmission system 1. Represents a state.

(Destination list management table)
Furthermore, in the storage unit 5000, a destination list management DB 5004 having a destination list management table as shown in FIG. The destination list management DB 5004 constitutes a first storage unit.

  In the destination list management table, the terminal ID of the request source terminal and the terminal ID of the destination terminal are managed in association with each other. Here, the requesting terminal is a requesting terminal that requests the start of transmission used for video conferencing. The destination terminal is a terminal that can be a destination of a transmission request by a request source terminal, and is a terminal registered as a destination candidate.

  For example, in the destination list management table shown in FIG. 11, the destination terminal that can request the start of the video conference from the transmission terminal 10aa whose terminal ID is “01aa” is the transmission terminal 10ab whose terminal ID is “01ab”. It is shown that the transmission terminal 10ba has a terminal ID “01ba” and the transmission terminal 10db has a terminal ID “01db”. The destination terminal candidates are added or deleted in response to a request made from the transmission terminal 10 to the transmission management device 50.

(Functional configuration of transmission management device)
The transmission / reception unit 51 includes a CPU 201 and a network I / F 209, and transmits / receives various data and information to / from other transmission terminals 10 or devices 30 and 90 via the transmission network 2.

  The terminal authentication unit 52 is configured by the CPU 201 and searches the terminal authentication management DB 5002 of the storage unit 5000 using the terminal ID and password included in the login request information received via the transmission / reception unit 51 as search keys, and the terminal Terminal authentication is performed by determining whether or not the same terminal ID and password are managed in the authentication management DB 5002.

  The state management unit 53 is configured by the CPU 201, and manages the transmission state and transmission for the terminal ID of the requesting terminal in the terminal management DB 5003 (see FIG. 10) in order to manage the transmission state of the requesting terminal that has requested login. The management device 50 stores and manages the reception date and time when the login request information is received and the IP address in association with each other.

  In addition, the state management unit 53 sets the power switch 109 of the transmission terminal 10 from the ON state to the OFF state, so that the state management unit 53 transmits the power supply OFF state information that is sent from the transmission terminal 10. The transmission state of the transmission terminal 10 in the terminal management DB 5003 (see FIG. 10) is changed from online to offline.

  The user name management unit 56 registers and deletes the participant name in the terminal management DB 5003 (see FIG. 10) based on the user name sent from the transmission terminal 10.

  The terminal extraction unit 54 is configured by the CPU 201, searches the destination list management DB 5004 (see FIG. 11) using the terminal ID of the request source terminal that requested the login as a search key, and sets the terminal ID of the destination terminal candidate for the request source terminal. It comes to extract.

  Further, the terminal extraction unit 54 searches the destination list management DB 5004 (see FIG. 11) using the terminal ID of the request source terminal that requested the login as a search key, and registers the terminal ID of the request source terminal as a candidate destination terminal. The terminal IDs of other request source terminals are also extracted.

  The terminal status acquisition unit 55 is configured by the CPU 201, searches the terminal management DB 5003 (see FIG. 10) using the terminal IDs of the destination terminal candidates extracted by the terminal extraction unit 54 as search keys, and detects each terminal ID detected. The transmission state is read out.

  Thereby, the terminal state acquisition unit 55 can acquire the transmission state of the destination terminal candidate for the request source terminal that has requested login. Further, the terminal status acquisition unit 55 searches the terminal management DB 5003 using the terminal ID extracted by the terminal extraction unit 54 as a search key, and acquires the transmission status of the request source terminal that has requested login.

  The storage / reading processing unit 59 includes a CPU 201 and an HDD 205, and stores various data in the storage unit 5000 and reads various data stored in the storage unit 5000.

<< Processing or Operation of Embodiment >>
Next, the operation of the transmission system 1 according to this embodiment will be described. FIG. 12 is a sequence diagram showing a preparation stage operation until the transmission terminal 10 enters a preparation state for participating in a video conference. FIG. 12 shows an example in which the transmission terminal 10aa is in a ready state. In the preparation stage operation, various types of information are transmitted and received in the management information session sei (see FIG. 2).

  First, when the user of the transmission terminal 10aa turns on the power switch 109 of the transmission terminal 10aa, the operation input reception unit 12 receives the power ON and turns on the power (step S21). And the login request part 13 transmits login request information showing a login request to the transmission management apparatus 50 via the transmission network 2 from the transmission / reception part 11 of transmission terminal 10aa triggered by reception of power ON (step S22).

  The log-in request information includes a terminal ID and a password for identifying the log-in request source transmission terminal 10aa. The terminal ID and password are read from the storage unit 1000 by the storage / read processing unit 19.

  When the log-in request information transmitted from the transmission terminal 10aa is received by the transmission management device 50, the transmission management device 50 can grasp the IP address of the transmission terminal 10ab on the transmission side.

  Next, the terminal authentication unit 52 of the transmission management device 50 uses the terminal ID and password included in the login request information received via the transmission / reception unit 51 as a search key, and the terminal authentication management DB 5002 of the storage unit 5000 (FIG. 9). Terminal authentication is performed by determining whether the same terminal ID and password as the search key are managed in the terminal authentication management DB 5002 (step S23).

  Here, when it is determined by the terminal authentication unit 52 that the same terminal ID and password as the search key are not managed, that is, when it is determined that the request is not a login request from the transmission terminal 10 having a valid use authority. The transmission / reception unit 51 transmits the authentication result information representing the authentication result obtained by the terminal authentication unit 52 to the transmission terminal 10aa that has requested login, via the transmission network 2, and the operation in the preparation stage ends. Become.

  On the other hand, when it is determined by the terminal authentication unit 52 that the same terminal ID and password as the search key are managed, that is, when it is determined that the request is a login request from the transmission terminal 10 having a valid use authority. The state management unit 53 associates and stores the terminal ID of the transmission terminal 10aa, the transmission state, the reception date and time when the login request information is received, and the IP address of the transmission terminal 10aa in the terminal management DB 5003 (see FIG. 10). (Step S24).

  Accordingly, as shown in FIG. 10, the terminal management table includes the terminal ID “01aa”, the transmission state “online (during transmission)”, the reception date and time “2009.11.10.13:40”, and the IP of the transmission terminal 10aa. The address “1.2.1.3” is associated and managed.

  Next, the transmission / reception unit 51 of the transmission management device 50 transmits the authentication result information representing the authentication result obtained by the terminal authentication unit 52 to the transmission terminal 10aa that has made a login request via the transmission network 2 (step S25).

  Next, the terminal extraction unit 54 of the transmission management device 50 searches the destination list management DB 5004 (see FIG. 11) using the terminal ID “01aa” of the transmission terminal 10aa that requested the login as a search key, and the destination for the transmission terminal 10aa. Terminal candidate terminal IDs are extracted (step S26).

  Here, the terminal IDs “01ab”, “01ba”, and “01db” of the transmission terminals 10ab, 10ba, and 10db, which are destination terminals for the terminal ID “01aa” of the transmission terminal 10aa, are extracted.

  Next, the terminal status acquisition unit 55 of the transmission management device 50 uses the terminal IDs “01ab”, “01ba”, and “01db” of the destination terminal candidates extracted by the terminal extraction unit 54 as search keys, and the terminal management DB 5003 ( 10), and by reading out the transmission state “offline”, “online (transmittable)”, and “online (during transmission)” for each terminal ID extracted by the terminal extraction unit 54, the transmission terminal 10ab, Each transmission state of 10ba and 10db is acquired (step S27).

  Next, the transmission / reception unit 51 of the transmission management device 50 includes the terminal IDs “01ab”, “01ba”, “01db” as search keys used in step S27, and the transmission terminals 10ab, 10ba, and 10db corresponding to the terminal IDs. The destination status information including the transmission status “offline”, “online (transmittable)”, and “online (during transmission)” is transmitted to the transmission terminal 10aa via the transmission network 2 (step S28).

  Thereby, the transmission terminal 10aa grasps the current transmission states “offline”, “online (transmittable)”, and “online (during transmission)” of the transmission terminals 10ab, 10ba, and 10db that are candidates for the destination terminal. be able to.

  Further, the terminal extraction unit 54 of the transmission management device 50 searches the destination list management DB 5004 (see FIG. 11) using the terminal ID “01aa” of the transmission terminal 10aa that has requested login as a search key, and the terminal ID of the transmission terminal 10aa. The terminal IDs of other transmission terminals that register “01aa” as a destination terminal candidate are extracted (step S29). For example, in the destination list management table shown in FIG. 11, the extracted terminal IDs are “01ab”, “01ba”, and “01db”.

  Next, the state management unit 53 of the transmission management apparatus 50 searches the terminal management DB 5003 (see FIG. 10) using the terminal ID “01aa” of the transmission terminal 10aa that requested the login as a search key, and has made a login request. The transmission state “online (transmittable)” of the transmission terminal 10aa is acquired (step S30).

  Next, the transmission / reception unit 51 of the transmission management device 50 performs terminal management among the transmission terminals 10ab, 10ba, and 10db identified by the terminal IDs “01ab”, “01ba”, and “01db” extracted in step S29. The terminal ID “01aa” of the transmission terminal 10aa acquired in step S30 and the transmission state “online (transmittable)” are transmitted to the transmission terminals 10ba and 10db whose transmission state is “online” in the DB 5003 (see FIG. 10). Is transmitted (steps S31-1, S31-2).

  When transmitting destination state information to the transmission terminals 10ba and 10db, the transmission / reception unit 51 manages the transmission terminals managed in the terminal management table shown in FIG. 10 based on the terminal IDs “01ba” and “01db”. Refer to the IP address.

  Thereby, the terminal ID “01aa” and the transmission state “online (during transmission) of the transmission terminal 10aa that requested the login are transmitted to the transmission terminals 10db and 10ba that can transmit the transmission terminal 10aa that has requested the login as a destination terminal. ) ”.

  When step S28 of the preparatory stage operation is completed, the display control unit 17 of the transmission terminal 10aa determines from the information on the destination list displayed on the display 120 that the terminal participating in the video conference, that is, the transmission state is “ The information of the transmission terminal 10db that is “online (during transmission)” or “online (transmission possible)” is highlighted on the display 120, etc., so that the transmission terminals 10 participating in the video conference or the transmission terminals 10 that can participate are displayed. It can be recognized by the user.

  FIG. 13 is a sequence diagram illustrating a conference participation operation until the transmission terminal 10 enters a participation state for participating in a video conference. Note that FIG. 13 shows an example in which the transmission terminal 10aa enters the participation state. In the conference participation operation, various types of information are transmitted and received in the management information session sei (see FIG. 2).

  First, when the user depresses the operation button 108 and selects participation in the video conference, the operation input reception unit 12 receives a request to participate in the video conference with the transmission terminal 10db (step S41).

  In response to this request, the transmission / reception unit 11 of the transmission terminal 10aa includes the terminal ID “01aa” of the transmission terminal 10aa and the terminal ID “01db” of the transmission terminal 10db, and includes participation request information indicating participation in the video conference. It transmits to the transmission management apparatus 50 (step S42).

  As a result, the transmission / reception unit 51 of the transmission management device 50 can receive the participation request information and confirm the IP address “1.2.1.3” of the transmission terminal 10aa that is the transmission source.

  Next, the state management unit 53 of the transmission management device 50 searches the terminal management DB 5003 (see FIG. 10) using the terminal ID “01aa” of the transmission terminal 10aa included in the participation request information as a search key, and requests participation. The transmission state of the transmission terminal 10aa is set to “online (during transmission)” (step S43).

  Next, the transmission / reception unit 51 of the transmission management device 50 transmits participation request information including the terminal ID “01aa” of the transmission terminal 10aa to the transmission terminal 10db via the transmission network 2 (step S44). Thereby, the transmission terminal 10db can grasp which transmission terminal 10 has requested to participate in the video conference.

  Although explanation is omitted, in the terminal management DB 5003 shown in FIG. 10, since the transmission state of the transmission terminal 10cb is also “online (during transmission)”, the transmission / reception unit 51 of the transmission management device 50 is connected to the transmission terminal 10aa. The participation request information including the terminal ID “01aa” is transmitted to the transmission terminal 10cb via the transmission network 2.

  Next, the transmission terminal 10db transmits reception completion information indicating that the reception of the participation request information is completed from the transmission / reception unit 11 to the transmission management device 50 via the transmission network 2 (step S45).

  Next, the transmission / reception unit 51 of the transmission management device 50 transmits relay start request information indicating a request to start relaying to the relay device 30 via the transmission network 2 (step S46). The relay start request information includes the IP addresses “1.2.1.3” and “1.3.2.4” of the transmission terminal 10aa and the transmission terminal 10db.

  Thereby, the relay device 30 establishes a session for transmitting the three pieces of image data of low resolution, medium resolution, and high resolution and the sound data between the transmission terminals 10aa and 10db (step S47). In this way, the transmission terminal 10aa can participate in a video conference with the transmission terminal 10db.

  On the other hand, the transmission / reception unit 51 of the transmission management device 50 transmits terminal state change information including the terminal ID “01aa” of the transmission terminal 10aa and the transmission state “online (during transmission)” to the terminal management DB 5003 (see FIG. 10). Are cast to each transmission terminal 10 registered in (step S48). Thereby, each transmission terminal that has received the terminal state change information can store and display the transmission state of the transmission terminal 10aa with the terminal ID “01aa” as necessary.

  FIG. 14 is a sequence diagram illustrating a data transmission operation between the transmission terminals 10. In the data transmission operation shown in FIG. 14, image data and sound data are transmitted and received in the image / sound data session sed (see FIG. 2).

  When the session between the transmission terminals 10aa and 10db is established as described with reference to FIG. 13, the transmission terminal 10aa receives the image data obtained by the imaging unit 14 and the sound signal input to the sound input unit 15a. The converted sound data is transmitted to the relay device 30 via the transmission / reception unit 11 (step S60).

  The relay device 30 that has received the image data and the sound data from the transmission terminal 10aa transmits the received image data and sound data to each of the transmission terminals 10aa and 10db participating in the video conference (Steps S61-1, S61-). 2).

  The transmission terminals 10aa and 10db that have received the image data and the sound data from the relay device 30 cause the display controller 17 to display the image represented by the received image data on the display 120, and output the sound represented by the received sound data as a sound. The unit 15b causes the speaker 115 to output (steps S62-1, S62-2).

  Next, the transmission terminal 10db transmits the image data obtained by imaging by the imaging unit 14 and the sound data obtained by converting the sound signal input to the sound input unit 15a to the relay device 30 via the transmission / reception unit 11. (Step S63).

  The relay apparatus 30 that has received the image data and the sound data from the transmission terminal 10db transmits the received image data and sound data to each of the transmission terminals 10aa and 10db participating in the video conference (Steps S64-1, S64-). 2).

  The transmission terminals 10aa and 10db that have received the image data and the sound data from the relay device 30 cause the display controller 17 to display the image represented by the received image data on the display 120, and output the sound represented by the received sound data as a sound. The unit 15b causes the speaker 115 to output (steps S65-1 and S65-2).

  Thus, the transmission terminals 10aa and 10db can hold a video conference via the relay device 30. In FIG. 13, in order to facilitate understanding of the present invention, the transmission terminals 10 participating in the video conference are two transmission terminals 10 aa and 10 db, but the transmission terminals 10 participating in the video conference are three. Even if there are more than two, the image data and the sound data are transmitted in the same manner as the data transmission operation shown in FIG.

  FIG. 15 is a sequence diagram showing an operation of displaying information on participants in the video conference on the display 120 of the transmission terminal 10 after the data transmission operation between the transmission terminals 10 is started. In the display operation shown in FIG. 15, a user who uses the transmission terminal 10aa participates in a video conference, and information about the user is displayed on the display 120db of the transmission terminal 10db participating in the video conference and the own terminal 10aa. An example of display on the display 120aa will be described.

  As a premise, a user who participates in a video conference brings the NFC tag 22 possessed by the user close to the transmission terminal 10aa when participating in the video conference and when leaving the video conference.

  When the user brings the NFC tag 22 owned by the user close to the NFC receiving unit 16, wireless communication between the NFC tag 22 and the NFC receiving unit 16 is established. Then, the NFC receiving unit 16 reads the user name stored in the NFC tag 22, that is, the participant name (step S71). Specifically, the block number of the storage unit 222 shown in FIG. The user name “Jiro Kanagawa” is read from 2. Next, the transmission / reception unit 11 transmits the read participant name to the transmission management device 50 (step S72).

  In the transmission management device 50, when the transmission / reception unit 51 receives the participant name, the terminal extraction unit 54 searches the terminal management DB 5003 (see FIG. 10) using the IP address of the transmission source of the participant name as a search key, The terminal ID and the terminal name of the transmission terminal of the transmission source are read out. In this example, the terminal ID “01aa” and the terminal name “Japan Tokyo Office AA terminal” are extracted. Next, the user name management part 56 updates terminal management DB5003 (refer FIG. 10) based on the participant name which the transmission / reception part 51 received (step S73).

  Specifically, when the received participant name is not stored in the terminal management DB (see FIG. 10), the user name management unit 56 uses the received participant name as the transmission source of the participant name. Write in the terminal management DB 5003 in association with the terminal ID of the transmission terminal 10. For example, when the received participant name is “Jiro Kanagawa”, the participant name “Jiro Kanagawa” is added in association with the terminal ID “01aa” in the terminal management table of the terminal management DB 5003 shown in FIG. . FIG. 16 is a diagram illustrating the terminal management DB in a state where “Jiro Kanagawa” is added to the participant name in association with the terminal ID “01aa”. When there are a plurality of participants who use one terminal 10aa as described above, the names of the plurality of participants are written in the terminal management DB.

  On the other hand, in step S73, when the received participant name is stored in the terminal management DB, the user name management unit 56 deletes the received participant name from the terminal management DB 5003. For example, when the received participant name is “Taro Tokyo”, the participant name “Taro Tokyo” stored in association with the terminal ID “01aa” in the terminal management table of the terminal management DB 5003 shown in FIG. Is deleted.

  When the received participant name is stored in the terminal management DB 5003, the NFC tag 22 is again brought close to the NFC receiving unit 16 for leaving in a state where the participant has already participated in the video conference. This is the case.

  Next, the terminal status acquisition unit 55 of the transmission management device 50 searches the terminal management DB 5003 (see FIG. 10), and reads all the terminal IDs associated with the transmission status “online (during transmission)” (step). S74). In the terminal management DB 5003 shown in FIG. 10, the terminal IDs “01aa”, “01cb”, and “01db” are read.

  Next, the terminal extraction unit 54 targets the terminal ID other than the terminal ID that matches the terminal ID that is the transmission source of the participant name among the terminal IDs read in step S74, as the request source of the destination list management DB 5004. With reference to the terminal ID column, all the terminal IDs of the destination terminals having the target terminal ID as the request source terminal are read (step S75). Specifically, the terminal ID “01aa” is excluded from the terminal IDs “01aa”, “01cb”, and “01db” read in step S74, and the request source terminal IDs “01cb”, “ The destination terminal ID associated with each of “01db” is read out.

  Next, the transmission / reception unit 51 compares the transmission source terminal ID of the participant name with the terminal ID of the destination terminal read in step S75 (step S76), and the transmission being performed according to the comparison result. Participant information including the name of the participant and the fact that a new participant has been added is transmitted to the terminal and the transmitting transmission terminal (steps S77-1 and S77-2).

  Specifically, the transmission / reception unit 51 transmits the participant name transmission source terminal 10 to the destination terminal whose request source terminal is the transmission terminal 10 to which the participant name is to be transmitted in the destination list management DB 5004 (see FIG. 11). Is registered, the participant information including the terminal ID of the terminal 10 as the transmission source of the participant name, the terminal name, and the participant name is transmitted to the transmission terminal.

  On the other hand, in the destination list management DB 5004 (see FIG. 11), the transmission / reception unit 51 registers the terminal 10 that has transmitted the participant name as the destination terminal that uses the transmission terminal 10 to which the participant name is to be transmitted as the request source terminal. If not, the terminal name of the terminal 10 that is the transmission source of the participant name is not transmitted, and the participant information including the terminal ID and the participant name of the terminal 10 that is the transmission source of the participant name is transmitted to the transmission terminal. Send to. The transmission / reception unit 51 transmits the participant information including the terminal ID, the terminal name, and the participant name to the terminal 10 that is the transmission source of the participant name.

  In step S75, the destination terminal having the target terminal ID “01cd” does not include “01aa”. Therefore, the transmission / reception unit 11 transmits the participant information including the terminal ID of the participant name transmission source and the participant name to the transmission terminal 10cd. On the other hand, the destination terminal having the terminal ID “01db” targeted in step S75 includes “01aa”. Therefore, the transmission / reception unit 51 transmits the participant information including the terminal ID of the transmission source of the participant name, the terminal name, and the participant name to the transmission terminal 10db. Then, the transmission terminal that has received the participant information displays the participant information on the display 120 (steps S78-1 and S78-2). This completes the process.

  The transmission terminal 10 that has received the participant information including the terminal ID, the terminal name, the participant name, and the fact that a new participant has been added is displayed on the display 120, for example, “01aa Japan Tokyo Office AA terminal Jiro Kanagawa. Participant information is displayed, such as On the other hand, the transmission terminal 10 that has received the participant information including the terminal ID, the participant name, and the fact that a new participant has been added is displayed on the display, for example, “01aa Jiro Kanagawa has joined”. Display information.

  In step S73, when the participant name that matches the received participant name is deleted from the terminal management DB 5003, that is, when the participant leaves, the same processing is performed in step S74 to step S76. In step S77-1 and step S77-2, the exit ID information including the terminal ID, the terminal name, the exit name, and the exit, or the terminal ID, the exit name, and the exit The exit information including the information is transmitted to the transmission terminal.

  The transmission terminal 10 that has received the leaver information including the terminal ID, the terminal name, the leaver name, and the intention to leave, for example, “01aa Japan Tokyo Office AA terminal Taro Tokyo has left” is displayed. , Display the exit information. On the other hand, the transmission terminal 10 that has received the leaver information including the terminal ID, the name of the leaver, and the intention to leave displays the leaver information such as “01aa Taro Tokyo has left” on the display.

  In this way, the terminal ID and the participant name are displayed on the display 120 of each transmission terminal 10. Furthermore, when the terminal identified by the terminal ID is the destination terminal, the terminal name corresponding to the terminal ID is displayed.

  In the transmission system 1 according to the present embodiment, the transmission management device 50 updates the terminal management DB 5003 at this timing, triggered by the reception of the participant name from the transmission terminal 10, and further receives the participant name. Can be transmitted to a predetermined transmission terminal 10. For this reason, the transmission system 1 can appropriately notify the conference participants of information on new participants and exits during the conference without disturbing the progress of the conference.

  Here, the image display of the transmission terminal 10 will be described. In the present embodiment, the display control unit 17 takes two display modes, a full screen display mode and an information display mode. These display modes are switched in accordance with, for example, the operation of the operation button 108 by the user.

  As illustrated in FIG. 17, in the full screen display mode, the display control unit 17 of the transmission terminal 10 causes the display 120 to display all images transmitted from the transmission terminals 10 participating in the video conference.

  A relatively wide first image area 500 and a plurality of relatively narrow second image areas 510 are assigned to the display screen shown in FIG. For example, an image represented by the image data transmitted from each transmission terminal 10 participating in the video conference is displayed in each second image region 510, and the first image region 500 is participating in the video conference. An image represented by image data of the main transmission terminal 10 is displayed from among the transmission terminals 10.

  For example, among the transmission terminals 10 participating in the video conference, the display control unit 17 identifies the transmission terminal that is the transmission source of the sound data representing the voice among the received sound data as the main terminal. Here, the sound data representing the sound is sound data in which a sound section is detected for each received sound data and it is determined that there is a voiced section. Note that the detection of the voice section can be realized by using a known technique (for example, see Niimi, “Speech Recognition”, Kyoritsu Shuppan, 1979, pp. 68-72).

  Furthermore, when the transmission terminal 10 is set to the full screen display mode and the transmission / reception unit 11 receives the participant information or the exit information by the operation described with reference to FIG. The control unit 17 displays these pieces of information in the participant information display area 520.

  The display control unit 17 displays the participant information and the exit information for a predetermined time such as 5 seconds, and then deletes the information from the display 120. As another example, instead of displaying participant information or the like in the participant information display area 520 of the display screen, a pop-up screen displaying participant information or the like may be superimposed and displayed for a predetermined time. . Furthermore, the pop-up screen may be displayed superimposed on an area where image data transmitted from the transmission terminal 10 used by the participant is displayed.

  Next, an operation for switching the display on the display 120 from the full screen display mode to the information display mode will be described. FIG. 18 is a sequence diagram showing a display switching operation to the information display mode. In the display switching operation illustrated in FIG. 18, various pieces of information are transmitted and received in the management information session sei. Here, a case where the display on the display 120aa of the transmission terminal 10aa is switched will be described.

  First, the transmission terminal 10aa transmits a request for presentation of participant information as information regarding the transmission terminals 10 participating in the video conference to the transmission management device 50 (step S81). In the transmission management device 50, when the transmission / reception unit 51 receives a presentation request, the terminal extraction unit 54 uses the IP address of the transmission source terminal of the presentation request as a search key, and the terminal management DB 5003 in the storage unit 5000 (see FIG. 10). And the terminal ID of the terminal that has sent the presentation request is read (step S82).

  Next, the terminal extraction unit 54 reads out the terminal ID and the terminal name whose transmission state is “online (during transmission)” based on the search result of the terminal management DB 5003 by the terminal state acquisition unit 55, and further participates The person name is read (step S83). In the terminal management DB 5003 shown in FIG. 10, “01aa”, “01cb”, “01db” are read out as the terminal IDs of the terminals being transmitted, and the participant names “Taro Tokyo”, “Mike Smith”, “Raquel Rodrriguez” is read.

  Next, the terminal extraction unit 54 refers to the request source terminal ID column of the destination list management DB 5004 by using the terminal ID of the transmission source terminal of the presentation request (here, “01aa”) as a search key, and The terminal ID of the destination terminal whose terminal is the request source terminal is read (step S84). Specifically, the terminal IDs “01ab”, “01ba”, and “01db” are read in step S84 for the terminal ID “01aa” of the transmission source terminal.

  Next, the transmitting / receiving unit 51 compares the terminal ID being transmitted read out in step S84 with the terminal ID of the destination terminal (step S85), and according to the comparison result, the terminal ID of the transmitting terminal being transmitted. Then, the participant information including the terminal name and the participant name or the participant information including the terminal ID and the participant name not including the terminal name is transmitted to the transmission terminal 10aa that has requested the presentation request (step S86). ).

  Specifically, when a transmitting terminal is registered as a destination terminal of the transmission terminal 10 that is the transmission source, the transmission unit 51 stores the terminal ID, the terminal name, and the participant name of the transmitting terminal. Send participant information including. On the other hand, the transmission / reception unit 51 includes the terminal ID of the transmitting terminal and the participant name, and includes the terminal name when the transmitting terminal is not registered as the destination terminal of the transmission terminal 10 of the transmission source. Send no participant information. Participant information for each transmission terminal is transmitted.

  For the transmission terminal 10aa and the transmission terminal 10db, participant information including the terminal ID, the terminal name, and the participant name is transmitted to the transmission terminal 10aa, and for the transmission terminal 10cb, the terminal ID and the participant name are transmitted. And participant information not including the terminal name is transmitted.

  When the transmission terminal 10aa receives the participant information from the transmission management device 50 (step S86), the transmission terminal 10aa displays the received participant information on the display 120aa (step S87). This completes the process.

  FIG. 19 is a diagram showing a display example of participant information in the information display mode displayed on the display 120aa by the processing of FIG. An image display area 530 for displaying an image and a participant information display area 540 for displaying participant information are assigned to the display screen in the information display mode. In the participant information display area 540, the participant information of the transmission terminals 10 participating in the video conference is displayed as a list.

  Thus, since the terminal ID of the transmission terminal 10 participating in the video conference and the participant name are displayed in association with each other as the list display, the participant can display the screen display in the information display mode at a desired timing. By switching to, the terminal ID of the terminal 10 participating in the video conference and the participant name can be grasped. Furthermore, since the terminal name is also displayed for the destination terminal, the participant can grasp the terminal name for the destination terminal.

  In the display screen shown in FIG. 19, since the transmission terminal 10db is registered in the destination list management DB 5004 as a destination terminal candidate of the transmission terminal 10aa, the terminal name is displayed, but the transmission terminal 10cb is displayed in the transmission terminal 10aa. The terminal name is not displayed because it is not registered in the destination list management DB 5004 as a destination terminal candidate. Since the transmission terminal 10aa is the own terminal 10aa, the terminal name is also displayed.

  In the image display area 530, an image represented by image data of a main transmission terminal among the transmission terminals 10 participating in the video conference is displayed. For example, among the transmission terminals 10 participating in the video conference, the display control unit 17 identifies the transmission terminal that is the transmission source of the sound data representing the voice among the received sound data as the main transmission terminal. In addition, the display control unit 17 has received that the operation input receiving unit 12 has selected one transmission terminal from the transmission terminals 10 participating in the video conference in response to the operation of the operation button 108 by the user. Sometimes, the selected transmission terminal may be specified as the main transmission terminal.

  As described above, the present invention has been described using the embodiment, but various changes or improvements can be added to the above embodiment.

<< Main effects of this embodiment >>
As described above, since the transmission system 1 according to the present embodiment causes the transmission management device 50 to respond to the information of the transmission terminals 10 participating in the video conference, the transmission system 1 depends on the number of transmission terminals 10 participating in the video conference. Instead, the user (conference participant) of each transmission terminal 10 can grasp who is participating in the video conference from which transmission terminal 10.

  Thereby, in the transmission system 1, since a user can be notified without making a conversation ask the other party of a video conference, a meeting time can be shortened. Further, since the terminal name is not displayed for a transmission terminal that is not registered as a destination, the transmission system 1 can notify that an unknown party is participating in the video conference. Thereby, the participant can proceed with the conference while paying attention to the content to be spoken.

  Also, the transmission system 1 is a base that leads the user to the conference in order to display the image data of the main transmission terminals even when the terminal information is displayed on the display 120 in the information display mode. You can keep track of the situation.

(Second Embodiment)
Next, a transmission system 1 according to the second embodiment will be described. In the transmission system 1 according to the first embodiment, the participant of the video conference brings the NFC tag 22 close to the NFC receiving unit 16 when joining and leaving. And the transmission management apparatus 50 specified the addition of a new participant and the leaving of a participant by receiving the participant name memorize | stored in the NFC tag 22. FIG.

  On the other hand, in the transmission system 1 according to the second embodiment, a participant in a video conference always places the NFC tag 22 within a communication range in which wireless communication with the NFC receiver 16 is possible during the conference. When leaving, the NFC tag 22 is moved outside the communication range of the NFC receiver 16. Then, the transmission management device 50 identifies the addition of a new participant and the withdrawal of the participant depending on whether or not the participant name stored in the NFC tag 22 can be received.

  FIG. 20 is a transition diagram illustrating a communication state of the NFC receiving unit 16 from when a user who possesses the NFC tag 22 joins the conference to exits. While the NFC tag 22 possessed by the user exists outside the communication range of the NFC receiver 16, communication is disabled (step 4). Then, when the user brings the NFC tag 22 close to the NFC receiving unit 16 and the NFC tag 22 enters the communication range of the NFC receiving unit 16, the communication state transitions to communicable (step 1). When transitioning to a communicable communication state, the transmission terminal 10 receives information stored in the NFC tag 22.

  FIG. 21 shows the display 120 that is executed when the NFC receiving unit 16 of the transmission terminal 10 receives the information of the NFC tag 22, that is, when the communication state transitions to communicable (step 1). It is the sequence figure which showed the display operation of the participant information. The display operation shown in FIG. 21 is substantially the same as the display operation of the transmission system 1 according to the first embodiment shown in FIG.

  In the display operation of the transmission system 1 according to the second embodiment shown in FIG. 21, first, the NFC receiving unit 16 of the transmission terminal 10aa stores the NFC tag 22 when the NFC tag 22 enters the communication range. In addition to the user name stored in the unit 222, a unique number is received (step S80).

  Next, the NFC receiving unit 16 associates the received user name with the unique number, and writes it in the user name table of the storage unit 1000 (step S81). FIG. 22 is a conceptual diagram of a user name table in the storage unit 1000. Thus, in the user name table, the user name of the user (conference participant) who participates in the video conference using the transmission terminal 10aa and the unique number are stored in association with each other.

  Returning to FIG. 21, the transmission terminal 10aa transmits the user name (participant name) received from the NFC tag 22 to the transmission management device 50 (step S72). The subsequent processing is the same as the participant information display operation of the transmission system 1 according to the first embodiment described with reference to FIG. Note that in steps S72 to S78-1 and 78-2 shown in FIG. 21, a process is performed when a new participant is added to the terminal management DB 5003 and the participant information is displayed on the display 120.

  Returning to FIG. 20, after transitioning to a communicable communication state, the participant places the NFC tag 22 within the communication range of the NFC receiving unit 16. While the NFC tag 22 exists in the communication range of the NFC receiving unit 16, the communication state in which communication is possible continues (step 2).

  When the participant wishes to leave the video conference, the participant moves the NFC tag 22 outside the communication range of the NFC receiving unit 16. As a result, the communication state transitions to communication disabled (step 3). When transitioning to a communication state incapable of communication, the transmission terminal 10 cannot receive the information received so far from the NFC tag 22.

  FIG. 23 shows a display that is executed when the NFC receiver 16 of the transmission terminal 10 cannot receive information from the NFC tag 22, that is, when the communication state transitions to communication disabled (step 3). FIG. 12 is a sequence diagram showing an operation for displaying exit information to 120. The display operation shown in FIG. 23 is substantially the same as the display operation of the transmission system 1 according to the first embodiment shown in FIG.

  In the display operation of the transmission system 1 according to the second embodiment shown in FIG. 23, first, the NFC receiving unit 16 of the transmission terminal 10aa has received so far when the NFC tag 22 moves out of the communication range. In addition, the user name and the unique number cannot be received.

  The NFC receiving unit 16 of the transmission terminal 10aa identifies which unique number can no longer be received by referring to the user name table (see FIG. 22) in the storage unit 1000 (step S82). Here, the user name table functions as a second storage unit. Next, the transmission / reception unit 11 transmits the user name associated with the unreceivable unique number in the user name table to the transmission management device 50 as a non-communication participant name (step S83). The transmission / reception unit 11 deletes the user name and the unique number that cannot be received after the transmission is completed from the user name table (step S84).

  The subsequent processing is the same as the participant information display operation of the transmission system 1 according to the first embodiment described with reference to FIG. Note that in steps S73 to S78-1 and S78-2 shown in FIG. 23, when a participant leaves, processing is performed when the participant is deleted from the terminal management DB 5003 and the exit information is displayed on the display 120. Done.

  Returning to FIG. 20, after the transition to the communication state incapable of communication, while the NFC tag 22 exists outside the communication range of the NFC receiving unit 16, the communication state incapable of communication continues (step 4).

  In the transmission system 1 according to the second embodiment, each transmission terminal 10 stores the participant name and unique number of a video conference participant in the user name table. When a person is participating in the conference, the participant names and unique numbers of each of the plurality of persons can be stored, so that the presence or absence of each user's participation can be specified individually.

  Other configurations and operations of the transmission system 1 according to the second embodiment are the same as the configurations and operations of the transmission system 1 according to the first embodiment.

  In the present embodiment, the NFC tag 22 is used as the device for storing the user name and the unique number, and the NFC communication is performed with the transmission terminal 10. However, as another example, the user name or the like is used. As the device to be stored, it is preferable to use an RFID tag as an active tab that can perform wireless communication over a long distance of about 3 m in place of the NFC tag, instead of the NFC tag. As a result, in the transmission system 1, the user who has the RFID tag moves to the vicinity of the transmission terminal 10 or leaves the transmission terminal 10, thereby notifying the participants who use the other transmission terminals 10 of participation or exit. be able to.

  As a modification example of the transmission system 1 of the second embodiment, in the second embodiment, the transmission terminal 10 receives the unique number and the user name from the NFC tag 22 and stores them in the storage unit 1000. However, instead of this, only the user name, which is information for identifying the user, may be received from the NFC tag 22 and stored in the storage unit 1000. In this case, the transmission terminal 10 may identify the withdrawal of the participant because the user name stored in the storage unit 1000 is no longer received.

(Third embodiment)
Next, a transmission system 1 according to the third embodiment will be described. In the transmission system 1 according to the third embodiment, the participant name can be displayed in the destination list. FIG. 24 is a diagram illustrating a display example of a destination list displayed on the display 120aa of the transmission terminal 10aa by the processing described with reference to FIG. 12 in the first embodiment. The destination list includes a destination list frame 1100-1, a terminal ID 1100-2 of a destination terminal associated with the transmission terminal 10, a terminal name 1100-3, and icons 1100-4a to 1100 reflecting state information. -4c is included.

  As icons, an OFF line icon 1100-4a indicating that a call cannot be made on the OFF line, a call enable icon 1100-4b indicating that a call can be made on the ON line, and a call indicating that a call is being made on the ON line There is an icon 1100-4c.

  FIG. 25 is a sequence diagram showing an operation of displaying the participant name when the participant name of the destination terminal is registered in the terminal management DB 5003 while the destination list is displayed. FIG. 25 shows an operation when the transmission terminal 10ba receives a user name (participant name) from the NFC tag 22.

  In the transmission terminal 10ba, the NFC receiver 16 reads the user name stored in the NFC tag 22, that is, the participant name (step S91). Next, the transmission / reception unit 11 transmits the read participant name to the transmission management device 50 (step S92).

  In the transmission management device 50, when the transmission / reception unit 51 receives the participant name, the user name management unit 56 searches the terminal management DB 5003 (see FIG. 10) using the IP address of the transmission source of the participant name as a search key. The participant name associated with the terminal ID of the transmission terminal as the transmission source is updated (step S93). Specifically, when the received participant name is not registered in the terminal management DB 5003, the user name management unit 56 receives the received participant name in the participant name column corresponding to the terminal ID of the transmission terminal of the transmission source. Add a participant name. In addition, when the received participant name is registered in the terminal management DB 5003, the user name management unit 56 corresponds to a case where the participant brings the NFC tag 22 close to the NFC reception unit 16 for leaving. Therefore, the registered participant name is deleted from the terminal management DB 5003.

  Next, the terminal extraction unit 54 refers to the destination list management DB 5004, extracts the terminal ID of the request source terminal whose destination terminal is the terminal that has transmitted the participant name, and further refers to the terminal management DB 5003 to determine the request source Of the terminal IDs of the terminals, the terminal ID associated with the transmission state during transmission is extracted (step S94). That is, the terminal extraction unit 54 is a first extraction unit that extracts the terminal ID of the request source terminal from the destination list management DB 5004 as the first storage unit, and a request source terminal that is transmitting from the terminal management DB 5003 as the second storage unit Functions as a second extraction unit for extracting the terminal ID of the first.

  Next, the transmission / reception unit 51 sends the requester terminal extracted in step S94, the participant name received in step S92, the terminal ID of the terminal that sent the participant name, and the processing request for the participant name. Is transmitted (step S95). Here, when the participant name addition processing is performed in step S93, the processing request is addition of the participant name. In step S93, when the participant name deletion processing is performed. The processing request is deletion of the participant name.

  In the terminal 10 that has received the processing request, the participant name, and the terminal ID that has transmitted the participant name, the display control unit 17 adds or deletes the display of the participant name in response to the processing request ( Step S96). Specifically, when receiving a request for adding a participant name, the display control unit 17 adds and displays the participant name in the destination list. In addition, when the display control unit 17 receives a processing request for deleting a participant name, the display control unit 17 deletes the participant name related to the processing request from the destination list. This completes the process.

  For example, in the example of the destination list management DB 5004 shown in FIG. 11, “01aa”, “01cb”, and “01db” are extracted in step S94 as the terminal ID with the transmission terminal 10ba as the destination terminal, and in step S95. A processing request, a participant name, and a terminal ID are transmitted to each transmission terminal 10 identified by these terminal IDs.

  FIG. 26 is a diagram illustrating a display example of the destination list displayed on the display 120aa of the transmission terminal 10aa after receiving the participant name together with the request for adding the participant name. When the transmission / reception unit 11 receives the participant name “Taro Osaka” and the terminal ID “01ba” together with the request for adding the participant after the destination list is displayed, the display control unit 17 displays the transmission list 10aa in FIG. As shown, the display of the participant name “Taro Osaka” is added in association with the terminal ID “01ba”. Further, when the transmission / reception unit 11 receives the participant name “Raquel Rodrriguez” and the terminal ID “01db” together with the request for adding the participant from the transmission terminal 10db, the terminal ID “01db” is supported as shown in FIG. In addition, display of the participant name “Raquel Rodrriguez” is added.

  In addition, as shown in FIG. 26, in a state where the participant name is displayed, the transmission / reception unit 11 receives the participant name “Taro Osaka” and the terminal ID “01ba” together with the processing request for deleting the participant name. In this case, the display control unit 17 deletes the participant name “Taro Osaka” displayed in association with the terminal ID “01ba”.

  Thus, in the transmission system 1 according to the third embodiment, the participant name can be displayed also in the destination list. Therefore, each user can easily grasp not only the transmission state of the destination terminal but also the participant name.

  Furthermore, in the transmission system 1 according to the third embodiment, it is possible to display only the participant name of a predetermined destination terminal while the destination list is displayed.

  FIG. 27 is a sequence diagram showing an operation of displaying the participant name of a predetermined destination terminal. First, in the transmission terminal 10aa, the user selects a destination terminal for which a participant name is desired to be displayed by operating the operation button 108 or the like. Thereby, the operation input reception part 12 receives the selection input of a destination terminal (step S101). Next, the transmission / reception unit 11 transmits the terminal ID of the destination terminal to the transmission management device 50 (step S102).

  In the transmission management device 50, when the transmission / reception unit 51 receives the terminal ID of the destination terminal, the user name management unit 56 searches the terminal management table (see FIG. 10), uses the terminal ID as a search key, and corresponds to the terminal ID. The attached participant name is read (step S103). That is, the user name management unit 56 functions as a third extraction unit. Next, the transmission / reception unit 51 transmits the read participant name to the transmission terminal 10aa that is the transmission source of the terminal ID of the destination terminal (step S104).

  In the transmission terminal 10aa, when the transmission / reception unit 11 receives the participant name, in step S101, the received participant name is displayed on the display 120aa in association with the terminal ID of the destination terminal that has accepted the selection input (step S105). . This completes the process.

  For example, assume that the user selects the terminal 10ba having the terminal ID “01ba” in a state where the destination list shown in FIG. 24 is displayed on the display 120aa of the transmission terminal 10aa. In this case, the transmission terminal 10aa transmits the terminal ID “01ba” to the transmission management device 50 by the processing shown in FIG. 27 (step S102). Then, the transmission management device 50 refers to the terminal management table (see FIG. 10), reads the participant name “Taro Osaka” associated with the terminal ID “01ba” (step S103), and reads this as the transmission terminal 10aa. Send to. As illustrated in FIG. 28, the transmission terminal 10aa adds the participant name “Taro Osaka” to the destination list and displays it (step S105). In the example shown in FIG. 28, the terminal ID of the terminal, the terminal name, and the participant name are displayed at the bottom of the destination list display screen.

  Other configurations and operations of the transmission system 1 according to the third embodiment are the same as the configurations and operations of the transmission system 1 according to the other embodiments.

  As another example, as shown in FIG. 29, a focus area 1200-2 is provided separately from the destination list frame 1200-1, and the transmission state of the selected destination terminal, the terminal are set in the focus area 1200-2. Detailed information such as an ID and a participant name may be displayed. Further, the font size of the focus area 1200-2 is made larger than the font size of the destination list frame 1200-1. In this way, by fixing the position of the focus area 1200-2 and further increasing the font size as compared with other areas, the user can easily grasp information regarding the selected destination terminal.

[Supplement of Embodiment]
The relay device 30, the transmission management device 50, and the program providing device 90 in the above embodiment may be constructed by a single computer, or by a plurality of computers arbitrarily assigned by dividing each unit (function or means). It may be constructed.

  Further, when the program providing apparatus 90 is constructed by a single computer, the program transmitted by the program providing apparatus 90 may be transmitted by being divided into a plurality of modules or not. It may be transmitted.

  Furthermore, when the program providing apparatus 90 is constructed by a plurality of computers, the plurality of modules may be divided and transmitted from each computer.

  Further, a recording medium such as a CD-ROM storing the transmission terminal control program, the relay device program, or the transmission management program of each of the above embodiments, and the HD 204 and the HD 204 storing these programs are provided. Are used when the transmission terminal control program, the relay device program, and the transmission management program are provided to a user or the like as a program product domestically or abroad.

  In FIG. 10, the IP address of the transmission terminal 10 is managed. However, the present invention is not limited to this, and any information for identifying the transmission terminal 10 on the transmission network 2 may be used. Ten FQDNs (Fully Qualified Domain Names) may be managed. In this case, an IP address corresponding to the FQDN is acquired by a known DNS (Domain Name System) server.

  In the above embodiment, a video conference system has been described as an example of the transmission system 1. However, the present invention is not limited to this, and a telephone system such as an IP (Internet Protocol) telephone or an Internet telephone may be used. .

  Further, the transmission system 1 may be a car navigation system. In this case, for example, one of the transmission terminals 10 corresponds to a car navigation device mounted on a car, and the other of the transmission terminals 10 is mounted on a management terminal or management server of a management center that manages car navigation, or another car. It corresponds to the car navigation device that is used. Further, the transmission system 1 may configure the transmission terminal 10 by a mobile phone.

  In the above embodiment, image data and sound data have been described as an example of content data. However, the present invention is not limited to this, and touch data may be used. In this case, the feeling that the user touched on one transmission terminal side is transmitted to the other transmission terminal side.

  Further, the content data may be smell data. In this case, the odor (odor) on one transmission terminal side is transmitted to the other transmission terminal side. The content data may be at least one of image data, sound data, tactile data, and olfactory data.

  Further, in the above embodiment, the case where a video conference is performed by the transmission system 1 has been described. However, the present invention is not limited to this, and a general conversation such as a meeting, a family or a friend, or information in one direction is described. It may be used for presentation.

DESCRIPTION OF SYMBOLS 1 Transmission system 10 Transmission terminal 11 Transmission / reception part 12 Operation input reception part 15a Sound input part 15b Sound output part 17 Display control part 19 Storage / reading processing part 22 NFC tag 30 Relay apparatus 50 Transmission management apparatus 51 Transmission / reception part 52 Terminal authentication part 53 Status management unit 54 Terminal extraction unit 55 Terminal status acquisition unit 56 User name management unit 59 Storage / read processing unit 70 Router 90 Program providing device 112 Camera 113 Imaging device I / F
114 Microphone 120 Display 221 Communication unit 222 Storage unit 1000 Storage unit 5000 Storage unit 5002 Terminal authentication management DB
5003 Terminal management DB
5004 Destination list management DB

Japanese Patent No. 4696481

Claims (10)

A transmission system comprising a plurality of transmission terminals and a transmission management system for managing the transmission terminals,
The transmission terminal is
An acquisition unit that acquires the user identification information from a device that stores user identification information for identifying a user;
A first transmitter for transmitting the user identification information to the transmission management system;
The transmission management system includes:
A first receiver for receiving the user identification information from the transmission terminal;
Transmission terminal identification information for identifying the request source terminal that is the transmission terminal that is the request source of the transmission request and transmission terminal identification information for identifying the destination terminal that is the transmission terminal that is the destination of the transmission request are stored in association with each other. A first storage unit;
First extraction for referring to the first storage unit and extracting the transmission terminal identification information of the request source terminal with the transmission terminal of the transmission source of the user identification information received by the first reception unit as the destination terminal And
A first transmitter that transmits the user identification information and the transmission terminal identification information of the transmission terminal of the transmission source of the user identification information in association with each other to the request source terminal extracted by the first extraction unit; Have
The transmission terminal is
A second receiver for receiving the transmission terminal identification information and the user identification information;
The transmission system further comprising: a display control unit configured to display the transmission terminal identification information received by the second reception unit in association with the user identification information on a display unit. The transmission management system includes:
In association with the transmission terminal identification information of the transmission terminal, a second storage unit that stores a transmission state of transmission, transmission possible, or transmission impossible,
Out of the request source terminals extracted by the first extraction unit, the transmission terminal identification information of the request source terminal associated with the transmission state being transmitted or transmittable is extracted in the second storage unit. And a second extraction unit that
The first transmission unit associates the user identification information with the transmission terminal identification information of the transmission terminal that is the transmission source of the user identification information, and sends the request to the request source terminal extracted by the second extraction unit. The transmission system according to claim 1, wherein transmission is performed. The transmission management system includes:
A user identification information management unit that associates the user identification information received by the first reception unit with the transmission terminal identification information of the transmission terminal that is the transmission source of the user identification information, and stores it in a second storage unit; ,
When the first reception unit receives a presentation request from the transmission terminal together with the transmission terminal identification information of the predetermined destination terminal, the second reception unit is referred to and corresponds to the transmission terminal identification information of the destination terminal A third extraction unit for extracting the user identification information attached thereto,
The transmission system according to claim 1, wherein the first transmission unit transmits the user identification information extracted by the third extraction unit to the transmission terminal that is a transmission source of the presentation request. The transmission terminal further includes a third storage unit that stores the user identification information acquired by the acquisition unit,
When the acquisition unit no longer acquires the user identification information stored in the third storage unit, the first transmission unit of the transmission terminal transmits the user identification information that is no longer acquired to the transmission management system. To
When the first receiving unit receives the user identification information that is not stored in the second storage unit, the user identification information management unit of the transmission management system converts the user identification information into the user identification information. When writing to the second storage unit in association with the transmission terminal identification information of the transmission terminal of the transmission source, and when the first reception unit receives the user identification information stored in the second storage unit, The transmission system according to claim 3, wherein the user identification information is deleted from the second storage unit. The device is a tag capable of wireless communication with the transmission terminal,
The transmission system according to claim 1, wherein the acquisition unit receives the user identification information from the tag by wireless communication.   The transmission system according to claim 5, wherein the wireless communication uses electromagnetic induction.   The transmission system according to claim 5, wherein the wireless communication uses microwaves. The acquisition unit receives the user identification information by wireless communication when wireless communication is established due to the tag approaching the transmission terminal;
6. The transmission system according to claim 5, wherein the first transmission unit transmits the user identification information to the transmission management system every time the acquisition unit receives the user identification information. A transmission management system for managing a plurality of transmission terminals,
In the transmission terminal, a receiving unit that receives the user identification information read from a device that stores user identification information for identifying a user who participates in transmission using the transmission terminal;
Transmission terminal identification information for identifying the request source terminal that is the transmission terminal that is the request source of the transmission request and transmission terminal identification information for identifying the destination terminal that is the transmission terminal that is the destination of the transmission request are stored in association with each other. A storage unit;
An extraction unit that refers to the storage unit and extracts the transmission terminal identification information of the request source terminal that uses the transmission terminal of the transmission source of the user identification information received by the reception unit as the destination terminal;
The request source terminal extracted by the extraction unit includes a transmission unit that associates and transmits the user identification information and the transmission terminal identification information of the transmission terminal that is the transmission source of the user identification information. Feature transmission management system. A storage that associates and stores transmission terminal identification information that identifies a requesting terminal that is a requesting transmission terminal of a transmission request and transmission terminal identification information that identifies a destination terminal that is the transmission terminal that is the destination of the transmission request A computer with a
In the transmission terminal, a receiving unit that receives the user identification information read from a device that stores user identification information for identifying a user who participates in transmission using the transmission terminal;
An extraction unit that refers to the storage unit and extracts the transmission terminal identification information of the request source terminal that uses the transmission terminal of the transmission source of the user identification information received by the reception unit as the destination terminal;
For causing the request source terminal extracted by the extraction unit to function as a transmission unit that associates and transmits the user identification information and the transmission terminal identification information of the transmission terminal of the transmission source of the user identification information program.

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