DE69424593D1 - Videokonferenzsystem mit einer Vielzahl von Stationen und Steuerungsvorrichtung - Google Patents

Videokonferenzsystem mit einer Vielzahl von Stationen und Steuerungsvorrichtung

Info

Publication number
DE69424593D1
DE69424593D1 DE69424593T DE69424593T DE69424593D1 DE 69424593 D1 DE69424593 D1 DE 69424593D1 DE 69424593 T DE69424593 T DE 69424593T DE 69424593 T DE69424593 T DE 69424593T DE 69424593 D1 DE69424593 D1 DE 69424593D1
Authority
DE
Germany
Prior art keywords
stations
variety
control device
video conference
conference system
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.)
Expired - Fee Related
Application number
DE69424593T
Other languages
English (en)
Other versions
DE69424593T2 (de
Inventor
Masanobu Hatanaka
Hitoshi Takei
Shoichi Sano
Hiroaki Natori
Reiko Okazaki
Shoichi Tamuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE69424593D1 publication Critical patent/DE69424593D1/de
Application granted granted Critical
Publication of DE69424593T2 publication Critical patent/DE69424593T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H04N7/152—Multipoint control units therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
DE69424593T 1993-04-07 1994-03-18 Videokonferenzsystem mit einer Vielzahl von Stationen und Steuerungsvorrichtung Expired - Fee Related DE69424593T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP08093393A JP3305037B2 (ja) 1993-04-07 1993-04-07 多地点制御装置、テレビ会議端末装置及び多地点テレビ会議システム

Publications (2)

Publication Number Publication Date
DE69424593D1 true DE69424593D1 (de) 2000-06-29
DE69424593T2 DE69424593T2 (de) 2000-09-14

Family

ID=13732256

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69424593T Expired - Fee Related DE69424593T2 (de) 1993-04-07 1994-03-18 Videokonferenzsystem mit einer Vielzahl von Stationen und Steuerungsvorrichtung

Country Status (4)

Country Link
US (2) US5638114A (de)
EP (1) EP0619679B1 (de)
JP (1) JP3305037B2 (de)
DE (1) DE69424593T2 (de)

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US5802281A (en) 1994-09-07 1998-09-01 Rsi Systems, Inc. Peripheral audio/video communication system that interfaces with a host computer and determines format of coded audio/video signals
JP2827932B2 (ja) * 1994-11-25 1998-11-25 日本電気株式会社 多地点テレビ会議における合成画面表示制御方式
JPH08163522A (ja) * 1994-11-30 1996-06-21 Canon Inc テレビ会議システムおよび端末装置
JP3460345B2 (ja) * 1994-12-19 2003-10-27 ソニー株式会社 ビデオカメラシステム
US5710591A (en) * 1995-06-27 1998-01-20 At&T Method and apparatus for recording and indexing an audio and multimedia conference
GB2306274B (en) * 1995-10-13 2000-05-10 Gilbert Cowie Improvements in digital communication systems and in methods of transferring information
JP2720857B2 (ja) * 1995-11-21 1998-03-04 日本電気株式会社 多地点テレビ会議制御装置
JPH09191350A (ja) * 1996-01-10 1997-07-22 Canon Inc マルチメディア通信装置
US5959667A (en) * 1996-05-09 1999-09-28 Vtel Corporation Voice activated camera preset selection system and method of operation
EP0897638B1 (de) * 1996-05-10 2000-01-12 Siemens Aktiengesellschaft Verfahren zur automatischen zuordnung eines sprachsignals eines teilnehmers einer videokonferenz zu seinem bild
JP3658896B2 (ja) * 1996-11-26 2005-06-08 ソニー株式会社 情報信号伝送システム、再生装置及び表示装置
ES2193412T3 (es) * 1996-12-09 2003-11-01 Siemens Ag Procedimiento y sistema de telecomunicaciones para el soporte de servicios multimedia a traves de un interfaz asi como un terminal de abonado configurado de manera correspondiente.
US6654060B1 (en) * 1997-01-07 2003-11-25 Canon Kabushiki Kaisha Video-image control apparatus and method and storage medium
JP2933132B2 (ja) * 1997-01-09 1999-08-09 日本電気株式会社 多地点テレビ会議制御装置及び画面合成符号化方法
FR2761562B1 (fr) * 1997-03-27 2004-08-27 France Telecom Systeme de visioconference
US6259469B1 (en) 1997-09-05 2001-07-10 Nikon Corporation Information processing device, information processing method, and recording media
TW351789B (en) * 1997-10-28 1999-02-01 Inventec Corp Multiple point network system and its trouble shooting
CA2309658C (en) * 1997-11-12 2007-10-30 Benjamin Slotznick Automatically switching a user's interface from a program to another program while the first is processing
US6570606B1 (en) * 1998-05-29 2003-05-27 3Com Corporation Method and apparatus for controlling transmission of media signals over a data network in response to triggering events at participating stations
US6850266B1 (en) 1998-06-04 2005-02-01 Roberto Trinca Process for carrying out videoconferences with the simultaneous insertion of auxiliary information and films with television modalities
JP4102952B2 (ja) * 1999-04-26 2008-06-18 ソニー株式会社 受信機
JP2000324463A (ja) * 1999-05-12 2000-11-24 Nec Corp テレビ会議システム
JP2001275095A (ja) * 2000-03-27 2001-10-05 Sony Corp 通信方法、通信サービス装置、通信端末装置および通信システム
JP3555865B2 (ja) * 2000-08-30 2004-08-18 日本電気株式会社 Ａｔｍ・ネーム・システム
US7404001B2 (en) * 2002-03-27 2008-07-22 Ericsson Ab Videophone and method for a video call
GB2404297B (en) * 2003-07-24 2007-12-05 Hewlett Packard Development Co Editing multiple camera outputs
US8767032B2 (en) * 2004-07-21 2014-07-01 Polycom, Inc. Conference unit controlling room functions
JP2006216997A (ja) * 2005-02-01 2006-08-17 Yamaguchi Univ 通信機器接続装置、方法、プログラム、記録媒体
US20070300165A1 (en) * 2006-06-26 2007-12-27 Microsoft Corporation, Corporation In The State Of Washington User interface for sub-conferencing
US8284231B2 (en) 2008-06-25 2012-10-09 Google Inc. Video selector
JP4623196B2 (ja) * 2008-10-08 2011-02-02 富士ゼロックス株式会社 画像処理装置、画像処理システム、及びプログラム
CN101789871B (zh) * 2009-01-23 2012-10-03 国际商业机器公司 支持多个同时在线会议的方法、服务器端及客户端设备
KR100953509B1 (ko) * 2009-05-28 2010-04-20 (주)해든브릿지 다자간 영상 통신 방법.
US8856212B1 (en) 2011-02-08 2014-10-07 Google Inc. Web-based configurable pipeline for media processing
US8681866B1 (en) 2011-04-28 2014-03-25 Google Inc. Method and apparatus for encoding video by downsampling frame resolution
US9106787B1 (en) 2011-05-09 2015-08-11 Google Inc. Apparatus and method for media transmission bandwidth control using bandwidth estimation
US9185429B1 (en) 2012-04-30 2015-11-10 Google Inc. Video encoding and decoding using un-equal error protection
US9172740B1 (en) 2013-01-15 2015-10-27 Google Inc. Adjustable buffer remote access
US9311692B1 (en) 2013-01-25 2016-04-12 Google Inc. Scalable buffer remote access
US9225979B1 (en) 2013-01-30 2015-12-29 Google Inc. Remote access encoding
KR20200012410A (ko) * 2018-07-27 2020-02-05 (주)휴맥스 스마트 디바이스 및 그 제어 방법
CN108833987A (zh) * 2018-09-17 2018-11-16 广州航帆计算机科技有限公司 一种大规模视频会议分屏方法和系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3601530A (en) * 1969-04-29 1971-08-24 Bell Telephone Labor Inc Video conference system using voice-switched cameras
US4531024A (en) * 1983-10-25 1985-07-23 At&T Bell Laboratories Multilocation video conference terminal including video switching contention control
DE3823219C1 (de) * 1988-07-08 1989-05-18 Telenorma Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt, De
JPH0227857A (ja) * 1988-07-18 1990-01-30 Hitachi Ltd 映像会議方法，映像会議端末，通知方法及びデータ端末
US5382972A (en) * 1988-09-22 1995-01-17 Kannes; Deno Video conferencing system for courtroom and other applications
US5003532A (en) * 1989-06-02 1991-03-26 Fujitsu Limited Multi-point conference system
JPH0564185A (ja) * 1991-08-29 1993-03-12 Fujitsu Ltd 多地点会議における２画面伝送表示方式
GB9303998D0 (en) * 1993-02-26 1993-04-14 Chater Ian Introduction system

Also Published As

Publication number Publication date
US5949475A (en) 1999-09-07
EP0619679B1 (de) 2000-05-24
EP0619679A1 (de) 1994-10-12
US5638114A (en) 1997-06-10
JPH06296278A (ja) 1994-10-21
JP3305037B2 (ja) 2002-07-22
DE69424593T2 (de) 2000-09-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee