DE69424593D1 - Videokonferenzsystem mit einer Vielzahl von Stationen und Steuerungsvorrichtung - Google Patents
Videokonferenzsystem mit einer Vielzahl von Stationen und SteuerungsvorrichtungInfo
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephonic Communication Services (AREA)
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) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE59701010D1 (de) * | 1996-05-10 | 2000-02-17 | Siemens Ag | 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 |
DE69841777D1 (de) * | 1997-11-12 | 2010-09-02 | Palus A1 Llc | Automatischer übergang einer benutzerschnittstelle von einem programm zu einem anderen programm während dass erste noch verarbeitet |
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 |
WO1999063756A1 (en) * | 1998-06-04 | 1999-12-09 | 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)
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 |
-
1993
- 1993-04-07 JP JP08093393A patent/JP3305037B2/ja not_active Expired - Lifetime
-
1994
- 1994-03-17 US US08/214,316 patent/US5638114A/en not_active Expired - Lifetime
- 1994-03-18 DE DE69424593T patent/DE69424593T2/de not_active Expired - Fee Related
- 1994-03-18 EP EP94104304A patent/EP0619679B1/de not_active Expired - Lifetime
-
1997
- 1997-02-13 US US08/800,723 patent/US5949475A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5638114A (en) | 1997-06-10 |
JP3305037B2 (ja) | 2002-07-22 |
US5949475A (en) | 1999-09-07 |
JPH06296278A (ja) | 1994-10-21 |
DE69424593T2 (de) | 2000-09-14 |
EP0619679A1 (de) | 1994-10-12 |
EP0619679B1 (de) | 2000-05-24 |
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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 |