JPH0537933A - Inter-multiplace video conference system - Google Patents
Inter-multiplace video conference systemInfo
- Publication number
- JPH0537933A JPH0537933A JP3193267A JP19326791A JPH0537933A JP H0537933 A JPH0537933 A JP H0537933A JP 3193267 A JP3193267 A JP 3193267A JP 19326791 A JP19326791 A JP 19326791A JP H0537933 A JPH0537933 A JP H0537933A
- Authority
- JP
- Japan
- Prior art keywords
- conference
- video conference
- terminals
- switch device
- video
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Studio Circuits (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、多地点間におけるテレ
ビ会議方式に利用する。本発明は、多地点間におけるテ
レビを利用した会議での利便性を向上させることができ
る多地点間テレビ会議システムに関する。BACKGROUND OF THE INVENTION The present invention is used for a video conference system between multiple points. The present invention relates to a multipoint video conference system capable of improving convenience in a conference using multipoint TV.
【０００２】[0002]
【従来の技術】従来の多地点テレビ会議システムでは、
各地点に対応した複数のモニタ画面を用いるか、一つの
モニタ画面を複数に分割してその各分割画面に各地点の
画面を割り当てたマルチ画面方式により会議を行ってい
た。2. Description of the Related Art In a conventional multipoint video conference system,
A conference is held by using a plurality of monitor screens corresponding to each point or by dividing one monitor screen into a plurality of screens and assigning a screen of each point to each divided screen.
【０００３】[0003]
【発明が解決しようとする課題】従来の多地点間テレビ
会議システムは、各テレビ会議端末からの音声は自端末
の音声を除いた他のすべての音声合成音を聴くことがで
き、また映像においても全ての画面あるいは自由に選択
された画面をみることができるように構成されたもの
で、テレビ会議に出席した全員が公平に参加することが
でき、かつ発言は会議参加者全員に対し公知されること
を原則としている。In the conventional multipoint video conference system, the voice from each video conference terminal can hear all the other voice synthesized sounds except the voice of its own terminal, and in the video. Is configured so that all screens or freely selected screens can be viewed, everyone who attends the video conference can participate fairly, and the speech is made known to all conference participants. The principle is that
【０００４】しかし、実際の会議では、会議参加者があ
る議題に対し意見の相違などにより対立した場合、各々
のグループ分けを行い一時的に関係者によるローカル打
合せを行った方がよい場合が生ずる。会議参加者が一堂
に集まる通常会議であれば席の移動などで簡単にローカ
ル打合せを行うことができるが、従来のテレビによる会
議ではそのような打ち合わせを行うことができず、ロー
カル会議を行うために新たに複数の多地点間テレビ会議
を設定しなければならない問題があった。However, in an actual conference, when the conference participants conflict with each other due to disagreements, it may be better to divide the groups into groups and temporarily hold a local meeting with the parties concerned. . In the case of a regular meeting where participants are gathered together, it is possible to easily hold a local meeting by moving their seats, etc., but it is not possible to hold such a meeting in a conventional TV meeting, and a local meeting is held. There was a problem that we had to newly set up multiple multipoint video conferences.
【０００５】本発明はこのような問題を解決するために
行われたもので、テレビ会議中に関係者による打合せが
必要になったときに、全体会議から分離してローカル会
議を行うことができるシステムを提供することを目的と
する。The present invention has been made in order to solve such a problem, and when a meeting by a person concerned is necessary during a video conference, a local conference can be held separately from the general conference. The purpose is to provide a system.
【０００６】[0006]
【課題を解決するための手段】本発明は、ビデオカメ
ラ、モニタ画面、マイクロホンおよびスピーカがそれぞ
れ配置されたテレビ会議端末を多数設け、この多数のテ
レビ会議端末のビデオカメラおよびマイクロホンの出力
信号を入力とし、この多数のテレビ会議端末のモニタ画
面およびスピーカの入力信号を出力とする切替スイッチ
装置と、この切替スイッチ装置に接続され、複数のテレ
ビ会議端末のマイクロホンの出力を合成してこの切替ス
イッチ装置の入力に与える複数の音声合成装置と、前記
切替スイッチ装置に接続され、複数のテレビ会議端末の
ビデオカメラの出力を合成してマルチ画面信号を生成し
このマルチ画面信号を前記切替スイッチ装置の入力に与
える複数のマルチ画面合成装置と、前記切替スイッチ装
置を制御する制御回路とを含む多地点間テレビ会議装置
を備えた多地点間テレビ会議システムにおいて、前記制
御回路に、前記テレビ会議端末のうち議長となる端末か
らの信号により操作され、前記切替スイッチ装置、前記
音声合成装置および前記マルチ画面合成装置を制御する
制御手段を含み、この制御手段は前記議長となる端末か
らの信号により、全体会議を行う第一モードと、一部の
テレビ会議端末が個別に複数の会議を同時に並行して行
う第二モードとを切替え設定する手段を含み、前記第二
モードでは、指定された一部のテレビ会議端末が複数の
別グループを形成し、各グループごとに互いに画面信号
および音声信号が隔離されて複数の会議を同時に並行し
て行うように前記切替スイッチ装置を制御する手段を含
むことを特徴とする。According to the present invention, a large number of video conference terminals each having a video camera, a monitor screen, a microphone and a speaker are provided, and the output signals of the video cameras and microphones of the many video conference terminals are input. And a changeover switch device that outputs the input signals of the monitor screens and speakers of the many video conference terminals, and this changeover switch device that is connected to the changeover switch device and combines the outputs of the microphones of the plurality of video conference terminals. Connected to the changeover switch device and a plurality of audio synthesizing devices for inputting to the input, and outputs of the video cameras of the plurality of video conference terminals are combined to generate a multiscreen signal, and the multiscreen signal is input to the changeover switch device. And a control circuit for controlling the changeover switch device. In a multipoint videoconferencing system including a multipoint videoconferencing device including a multipoint videoconference device, the control circuit is operated by a signal from a terminal which is a chairman among the videoconference terminals, and the changeover switch device and the voice synthesizer are operated. A first mode in which a general conference is held by a signal from the terminal serving as the chairman, and a part of the video conference terminals individually provides a plurality of conferences. In the second mode, a part of the specified video conference terminals form a plurality of different groups, and a screen signal and a screen signal are mutually provided in each group. The present invention is characterized by including means for controlling the changeover switch device so that the audio signals are isolated and a plurality of conferences are held in parallel at the same time.
【０００７】前記テレビ会議端末には、それぞれ操作盤
が備えられ、前記第二モードでは、その操作盤に入力さ
れたグループにそのテレビ会議端末が自動的に設定区分
されることが望ましい。It is preferable that each of the video conference terminals is provided with an operation panel, and in the second mode, the video conference terminal is automatically set and classified into a group input to the operation panel.
【０００８】[0008]
【作用】会議中に関係者だけによる下打合せが必要にな
ったときに、議長となる端末から個別に複数の会議を同
時に並行して行うモードが操作盤から設定されると、個
別会議のメンバーに指定されたテレビ会議端末を一つの
グループとし、各グループごとに互いに画面信号および
音声信号が隔離されて複数の会議が同時に並行して行え
る状態が設定される。[Function] When a moderation in which a plurality of conferences are concurrently performed individually from the terminal that is the chairperson is set from the operation panel when a meeting with the parties concerned is necessary during the conference, members of the individual conference The video conference terminals designated in 1 are set as one group, and the screen signal and the audio signal are isolated from each other in each group so that a plurality of conferences can be performed in parallel at the same time.
【０００９】これにより、会議参加者が一堂に集まって
行う通常会議にみられるローカル打合せを画像と音声、
または音声のみで簡単に行うことができ、会議進行の効
率を向上させることができる。As a result, the local meeting seen in the ordinary meeting held by the meeting participants gathered together can be displayed as an image and sound.
Alternatively, it can be easily performed only by voice, and the efficiency of meeting progress can be improved.
【００１０】[0010]
【実施例】次に、本発明実施例を図面に基づいて説明す
る。図１は本発明実施例の全体構成を示すブロック図で
ある。Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a block diagram showing the overall configuration of an embodiment of the present invention.
【００１１】本発明実施例は、ビデオカメラおよびマイ
クロホンを含む信号送信手段１１と、モニタ画面および
スピーカを含む信号受信手段１２とを備えた複数のテレ
ビ会議端末Ａ〜Ｎを設け、これらのテレビ会議端末Ａ〜
Ｎのビデオカメラおよびマイクロホンの出力信号を入力
とし、モニタ画面およびスピーカの入力信号を出力とす
る切替スイッチ装置１と、この切替スイッチ装置１に接
続され、テレビ会議端末Ａ〜Ｎのマイクロホンの出力を
合成してこの切替スイッチ装置１の入力に与える複数の
音声合成装置２と、切替スイッチ装置１に接続され、テ
レビ会議端末Ａ〜Ｎのビデオカメラの出力を合成してマ
ルチ画面信号を生成し、このマルチ画面信号をこの切替
スイッチ装置１の入力に与える複数のマルチ画面合成装
置３と、切替スイッチ装置１を制御する制御回路４とを
含む多地点間テレビ会議装置１０を備え、さらに、本発
明の特徴として、制御回路４には、テレビ会議端末Ａ〜
Ｎのうち議長となる端末からの信号により操作され、切
替スイッチ装置１、音声合成装置２およびマルチ画面合
成装置３を制御する制御手段４ａを含み、この制御手段
４ａは議長となる端末からの信号により、全体会議を行
う第一モードと、一部のテレビ会議端末が個別に複数の
会議を同時に並行して行う第二モードとを切替え設定す
る手段を含み、前記第二モードでは、指定された一部の
テレビ会議端末が複数の別グループを形成し、各グルー
プごとに互いに画面信号および音声信号が隔離されて複
数の会議を同時に並行して行うように切替スイッチ装置
１を制御する手段を含む。The embodiment of the present invention is provided with a plurality of video conference terminals A to N provided with a signal transmitting means 11 including a video camera and a microphone, and a signal receiving means 12 including a monitor screen and a speaker. Terminal A ~
A switching switch device 1 that receives the output signals of the N video camera and the microphone and outputs the input signals of the monitor screen and the speaker, and the output of the microphones of the video conference terminals A to N that are connected to the switching switch device 1. A plurality of audio synthesizing devices 2 that are synthesized and given to the input of the changeover switch device 1 are connected to the changeover switch device 1, and the outputs of the video cameras of the video conference terminals A to N are combined to generate a multi-screen signal, The multi-point video conference apparatus 10 includes a plurality of multi-screen synthesizing apparatuses 3 for applying the multi-screen signals to the input of the changeover switch apparatus 1 and a control circuit 4 for controlling the changeover switch apparatus 1, and further, the present invention. In the control circuit 4, the video conference terminals A to
A control means 4a for controlling the changeover switch device 1, the voice synthesizing device 2 and the multi-screen synthesizing device 3 which is operated by a signal from the terminal serving as the chair of N is included in the control means 4a. According to the second mode, the first mode of performing the general conference and the second mode in which some of the video conference terminals individually perform a plurality of conferences in parallel are set and switched. A part of the video conference terminals forms a plurality of different groups, and each group includes a means for controlling the changeover switch device 1 so that screen signals and audio signals are isolated from each other and a plurality of conferences are held in parallel at the same time. .
【００１２】また、テレビ会議端末Ａ〜Ｎには、それぞ
れ操作盤１３が備えられ、前記第二モードでは、その操
作盤１３に入力されたグループにそのテレビ会議端末が
自動的に設定区分される。Further, each of the video conference terminals A to N is provided with an operation panel 13, and in the second mode, the video conference terminal is automatically set and classified into a group input to the operation panel 13. .
【００１３】次に、このように構成された本発明実施例
の動作について説明する。Next, the operation of the embodiment of the present invention thus constructed will be described.
【００１４】会議進行中は、制御回路４の制御により切
替スイッチ装置１が各テレビ会議端末Ａ〜Ｎに備えられ
た信号送信手段１１のビデオカメラおよびマイクロホン
の出力信号を入力とし、信号受信手段１２のモニタ画面
およびスピーカの入力信号を出力とする切替えを行う。
音声合成装置２は切替スイッチ装置１からマイクロホン
の出力を受けると、その出力を合成して切替スイッチ装
置１の入力に与え、また、マルチ画面合成装置３は切替
スイッチ装置１からビデオカメラの出力を受けると、そ
の出力を合成してマルチ画面信号とし切替スイッチ装置
１の入力に与える。While the conference is in progress, the changeover switch device 1 receives the output signals of the video camera and the microphone of the signal transmitting means 11 provided in each of the video conference terminals A to N under the control of the control circuit 4 and receives the signal receiving means 12. The monitor screen and the input signal of the speaker are switched to output.
Upon receiving the output of the microphone from the changeover switch device 1, the voice synthesizer 2 synthesizes the output and gives it to the input of the changeover switch device 1, and the multi-screen synthesizer 3 outputs the output of the video camera from the changeover switch device 1. When received, the outputs are combined into a multi-screen signal and given to the input of the changeover switch device 1.
【００１５】このようにして全体会議が行われていると
きに、関係グループごとに打合せが必要となりその関係
グループに属するテレビ会議端末の操作盤１３から議長
端末に対しグループ会議の設定要求が入力され、議長が
その要求を認めて設定指示が入力されると、制御回路４
は制御手段４ａに全体会議を行う第一モードから一部の
テレビ会議端末が個別に複数の会議を同時に並行して行
う第二モードに切替え設定する。When the general conference is being held in this manner, it is necessary to make a meeting for each related group, and a group conference setting request is input from the operation panel 13 of the video conference terminal belonging to the related group to the chairman terminal. When the chairman accepts the request and inputs the setting instruction, the control circuit 4
Switches the control means 4a from the first mode in which a general conference is held to a second mode in which some video conference terminals individually hold a plurality of conferences in parallel.
【００１６】これにより、操作盤１３に入力されたグル
ープにテレビ会議端末が設定区分され、複数の別グルー
プごとに同時並行してテレビ会議を行うことができる。
議長となるテレビ会議端末の操作盤１３から第一モード
が設定されると、各グループごとの第二モードによる会
議が解除され全体会議に戻される。As a result, the video conference terminals are set and classified in the groups input to the operation panel 13, and the video conferences can be simultaneously held in parallel for each of a plurality of different groups.
When the first mode is set from the operation panel 13 of the video conference terminal serving as the chairperson, the conference in the second mode for each group is canceled and the group is returned to the general conference.
【００１７】すなわち、本発明では１対１のテレビ会議
を行う場合はネットワーク２０上で二つのテレビ会議端
末を回線を介して相互に接続することにより行われ、多
地点間テレビ会議を行う場合には該当する複数のテレビ
会議端末をネットワーク２０を経由し多地点間テレビ会
議装置１０の各回線終端部２２に１対１で接続すること
によって行われる。多地点間テレビ会議装置の基本機能
には各テレビ会議端末Ａ〜Ｎからの信号の受信、合成、
送出、および制御が含まれ、映像信号については画面選
択、マルチ画面合成が行われ、音声については自端末を
除いたすべての端末の音声合成が行われる。これらの機
能はテレビ会議端末Ａ〜Ｎに設置された操作盤１３から
のキー操作により多地点間テレビ会議装置１０の制御回
路４をアクセスすることによって操作される。That is, according to the present invention, when a one-to-one video conference is held, two video conference terminals are connected to each other on the network 20 through a line. Is performed by connecting one or more corresponding video conference terminals to each line termination unit 22 of the multipoint video conference apparatus 10 via the network 20 on a one-to-one basis. The basic functions of the multipoint videoconferencing device include receiving, synthesizing signals from the videoconferencing terminals A to N,
Sending and control are included, screen selection and multi-screen synthesis are performed for video signals, and voice synthesis is performed for all terminals except the own terminal for voice. These functions are operated by accessing the control circuit 4 of the multipoint video conference apparatus 10 by key operation from the operation panel 13 installed in the video conference terminals A to N.
【００１８】本発明の特徴とするところは、全体会議中
にローカル会議を行わせるため多地点間テレビ会議装置
１０に、前述の基本機能に加えて、ローカル会議番号を
設定し、各会議参加者がどの会議に参加するかを選択
し、全体会議からローカル会議に切替える手段を備えた
ことにある。A feature of the present invention is that in order to hold a local conference during a general conference, a multi-point video conference apparatus 10 is provided with a local conference number in addition to the above-mentioned basic functions, and each conference participant Has a means for selecting which conference to join and switching from the general conference to the local conference.
【００１９】ローカル会議を設定するには議長端末の操
作盤１３からローカル会議の数、例えば３ローカルグル
ープを設けるのであれば、ローカル会議の会議番号
“３”を入力すると、音声合成装置２およびマルチ画面
合成装置３に“Ｌ１”、“Ｌ２”、“Ｌ３”の識別番号
が割りふられる。また、各会議参加者がどのローカル会
議へ参加するかの選択は各テレビ会議端末Ａ〜Ｎの操作
盤１３からローカル会議番号の数、例えばローカル会議
２を選択するのであれば、“２”を入力すると対応する
回線終端部２２に“Ｌ２”の識別番号が割りふられる。
全体会議とローカル会議を切替えるには、議長端末の操
作盤１３からローカル会議ＯＮ／ＯＦＦの指示を与え、
切替スイッチ装置１を動作させて、全体会議のときには
全会議参加者を１組の音声合成装置２およびマルチ画面
合成装置３で映像および音声の合成を行わせ、また、ロ
ーカル会議のときには各回線終端部２２と各音声合成装
置２およびマルチ画面合成装置３に設定された“Ｌ
１”、“Ｌ２”、“Ｌ３”のローカル会議番号（識別番
号）が合致する端末相互間が接続するように接続切替え
を行う。To set a local conference, if the number of local conferences, for example, 3 local groups is set from the operation panel 13 of the chairman terminal, if the conference number "3" of the local conference is input, the voice synthesizer 2 and the multi-composite device are input. Identification numbers “L1”, “L2”, and “L3” are assigned to the screen compositing device 3. Further, to select which local conference each conference participant participates in, if the number of local conference numbers, for example, the local conference 2, is selected from the operation panel 13 of each video conference terminal A to N, “2” is selected. When input, the identification number "L2" is assigned to the corresponding line termination unit 22.
To switch between the general conference and the local conference, give the local conference ON / OFF instruction from the operation panel 13 of the chairman's terminal,
The change-over switch device 1 is operated to cause all the conference participants to synthesize video and audio by the set of the voice synthesizing device 2 and the multi-screen synthesizing device 3 at the time of the general conference, and at the end of each line at the time of the local conference. "L" set in the unit 22, each voice synthesizer 2, and the multi-screen synthesizer 3
Connection switching is performed so that terminals having local conference numbers (identification numbers) of "1", "L2", and "L3" match each other.
【００２０】[0020]
【発明の効果】以上説明したように本発明によれば、多
地点間におけるテレビ会議にローカル会議番号を導入
し、会議参加者がローカル会議番号を選択し、その会議
番号を指定することによって全体会議とローカル会議と
を切替えられるようにすることにより、テレビ会議にお
いても会議参加者が一堂に集まって行う通常会議にみら
れるローカル打合せを画像と音声、または音声のみで簡
単に行うことができ、会議進行の効率を向上させること
ができる効果がある。As described above, according to the present invention, a local conference number is introduced in a video conference between multiple points, conference participants select a local conference number, and the conference number is designated to make the entire conference. By making it possible to switch between the conference and the local conference, even in the video conference, it is possible to easily perform the local meeting that is seen in a normal conference where the conference participants gather in one place, with images and voice, or only voice, This has the effect of improving the efficiency of meeting progress.
【図１】本発明実施例の全体構成を示すブロック図。FIG. 1 is a block diagram showing the overall configuration of an embodiment of the present invention.
１ 切替スイッチ装置 ２ 音声合成装置 ３ マルチ画面合成装置 ４ 制御回路 ４ａ 制御手段 １０ 多地点間テレビ会議装置 １１ 信号送信手段 １２ 信号受信手段 １３ 操作盤 ２０ ネットワーク ２２ 回線終端部 1 Changeover switch device 2 voice synthesizer 3 Multi-screen synthesizer 4 control circuit 4a Control means 10 Multipoint video conference equipment 11 Signal transmission means 12 Signal receiving means 13 Operation panel 20 networks 22 Line termination unit
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｈ０４Ｎ 5/265 7337−5Ｃ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Office reference number FI technical display location H04N 5/265 7337-5C
Claims (2)
ンおよびスピーカがそれぞれ配置されたテレビ会議端末
を多数設け、 この多数のテレビ会議端末のビデオカメラおよびマイク
ロホンの出力信号を入力とし、この多数のテレビ会議端
末のモニタ画面およびスピーカの入力信号を出力とする
切替スイッチ装置と、 この切替スイッチ装置に接続され、複数のテレビ会議端
末のマイクロホンの出力を合成してこの切替スイッチ装
置の入力に与える複数の音声合成装置と、 前記切替スイッチ装置に接続され、複数のテレビ会議端
末のビデオカメラの出力を合成してマルチ画面信号を生
成しこのマルチ画面信号を前記切替スイッチ装置の入力
に与える複数のマルチ画面合成装置と、 前記切替スイッチ装置を制御する制御回路とを含む多地
点間テレビ会議装置を備えた多地点間テレビ会議システ
ムにおいて、 前記制御回路に、前記テレビ会議端末のうち議長となる
端末からの信号により操作され、前記切替スイッチ装
置、前記音声合成装置および前記マルチ画面合成装置を
制御する制御手段を含み、 この制御手段は前記議長となる端末からの信号により、
全体会議を行う第一モードと、一部のテレビ会議端末が
個別に複数の会議を同時に並行して行う第二モードとを
切替え設定する手段を含み、 前記第二モードでは、指定された一部のテレビ会議端末
が複数の別グループを形成し、各グループごとに互いに
画面信号および音声信号が隔離されて複数の会議を同時
に並行して行うように前記切替スイッチ装置を制御する
手段を含むことを特徴とする多地点間テレビ会議システ
ム。1. A large number of video conference terminals in which a video camera, a monitor screen, a microphone and a speaker are respectively arranged, and the output signals of the video cameras and microphones of the large number of video conference terminals are used as input, and the large number of video conference terminals are provided. Changeover switch device that outputs the monitor screen and the input signal of the speaker, and a plurality of voice synthesizers that are connected to this changeover switch device and combine the outputs of the microphones of a plurality of video conference terminals to give to the input of this changeover switch device. Device and a plurality of multi-screen combining devices connected to the change-over switch device and combining outputs of video cameras of a plurality of video conference terminals to generate a multi-screen signal and giving the multi-screen signal to an input of the change-over switch device. And a control circuit for controlling the changeover switch device. In a multipoint video conference system including a conference device, the control circuit is operated by a signal from a terminal that is a chair among the video conference terminals, and the changeover switch device, the voice synthesis device, and the multi-screen synthesis device. Including a control means for controlling, by a signal from the terminal serving as the chairman,
A means for switching and setting a first mode in which a general conference is performed and a second mode in which some of the video conference terminals individually perform a plurality of conferences in parallel at the same time is included. Video conferencing terminals form a plurality of different groups, and each group includes a means for controlling the changeover switch device so that screen signals and audio signals are isolated from each other and a plurality of conferences are held in parallel at the same time. A featured multipoint video conference system.
盤が備えられ、 前記第二モードでは、その操作盤に入力されたグループ
にそのテレビ会議端末が自動的に設定区分される請求項
１記載の多地点間テレビ会議システム。2. The video conference terminal is provided with an operation panel, respectively, and in the second mode, the video conference terminal is automatically set and classified into a group input to the operation panel. Multipoint video conferencing system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3193267A JPH0537933A (en) | 1991-08-01 | 1991-08-01 | Inter-multiplace video conference system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3193267A JPH0537933A (en) | 1991-08-01 | 1991-08-01 | Inter-multiplace video conference system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0537933A true JPH0537933A (en) | 1993-02-12 |
Family
ID=16305102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3193267A Pending JPH0537933A (en) | 1991-08-01 | 1991-08-01 | Inter-multiplace video conference system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537933A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08331264A (en) * | 1995-06-02 | 1996-12-13 | Nec Corp | Video conference system |
| JPH10164240A (en) * | 1996-11-25 | 1998-06-19 | Nec Corp | Multi-point connection control system |
| JP2004096384A (en) * | 2002-08-30 | 2004-03-25 | Matsushita Electric Ind Co Ltd | Hand-free telephone unit |
| JP2006216997A (en) * | 2005-02-01 | 2006-08-17 | Yamaguchi Univ | Communication unit connection apparatus, method, program, and recording medium |
| US7679640B2 (en) * | 2005-01-27 | 2010-03-16 | Polycom, Inc. | Method and system for conducting a sub-videoconference from a main videoconference |
| US7679638B2 (en) | 2005-01-27 | 2010-03-16 | Polycom, Inc. | Method and system for allowing video-conference to choose between various associated video conferences |
| JP2011045028A (en) * | 2009-08-24 | 2011-03-03 | Sharp Corp | Conference relay device, conference system, and computer program |
| US9210371B2 (en) | 2013-02-28 | 2015-12-08 | Ricoh Company, Ltd. | Transmission terminal, transmission system and program |
| US9386278B2 (en) | 2014-06-30 | 2016-07-05 | Brother Kogyo Kabushiki Kaisha | Teleconference method, storage medium storing program for teleconference, and terminal apparatus |
| US9398260B2 (en) | 2014-07-28 | 2016-07-19 | Brother Kogyo Kabushiki Kaisha | Teleconference system, storage medium storing program for server apparatus, and storage medium storing program for terminal apparatus |
| CN109688365A (en) * | 2018-12-27 | 2019-04-26 | 北京真视通科技股份有限公司 | The processing method and computer readable storage medium of video conference |
| JP2020141208A (en) * | 2019-02-27 | 2020-09-03 | 株式会社沖ワークウェル | Communication system |
-
1991
- 1991-08-01 JP JP3193267A patent/JPH0537933A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08331264A (en) * | 1995-06-02 | 1996-12-13 | Nec Corp | Video conference system |
| JPH10164240A (en) * | 1996-11-25 | 1998-06-19 | Nec Corp | Multi-point connection control system |
| JP2004096384A (en) * | 2002-08-30 | 2004-03-25 | Matsushita Electric Ind Co Ltd | Hand-free telephone unit |
| US7679640B2 (en) * | 2005-01-27 | 2010-03-16 | Polycom, Inc. | Method and system for conducting a sub-videoconference from a main videoconference |
| US7679638B2 (en) | 2005-01-27 | 2010-03-16 | Polycom, Inc. | Method and system for allowing video-conference to choose between various associated video conferences |
| JP2006216997A (en) * | 2005-02-01 | 2006-08-17 | Yamaguchi Univ | Communication unit connection apparatus, method, program, and recording medium |
| JP2011045028A (en) * | 2009-08-24 | 2011-03-03 | Sharp Corp | Conference relay device, conference system, and computer program |
| US9210371B2 (en) | 2013-02-28 | 2015-12-08 | Ricoh Company, Ltd. | Transmission terminal, transmission system and program |
| US9386278B2 (en) | 2014-06-30 | 2016-07-05 | Brother Kogyo Kabushiki Kaisha | Teleconference method, storage medium storing program for teleconference, and terminal apparatus |
| US9398260B2 (en) | 2014-07-28 | 2016-07-19 | Brother Kogyo Kabushiki Kaisha | Teleconference system, storage medium storing program for server apparatus, and storage medium storing program for terminal apparatus |
| CN109688365A (en) * | 2018-12-27 | 2019-04-26 | 北京真视通科技股份有限公司 | The processing method and computer readable storage medium of video conference |
| CN109688365B (en) * | 2018-12-27 | 2021-02-19 | 北京真视通科技股份有限公司 | Video conference processing method and computer-readable storage medium |
| JP2020141208A (en) * | 2019-02-27 | 2020-09-03 | 株式会社沖ワークウェル | Communication system |
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