DE69513706T2 - Mehrpunkt-Videokonferenzgerät und -system - Google Patents

Mehrpunkt-Videokonferenzgerät und -system

Info

Publication number
DE69513706T2
DE69513706T2 DE69513706T DE69513706T DE69513706T2 DE 69513706 T2 DE69513706 T2 DE 69513706T2 DE 69513706 T DE69513706 T DE 69513706T DE 69513706 T DE69513706 T DE 69513706T DE 69513706 T2 DE69513706 T2 DE 69513706T2
Authority
DE
Germany
Prior art keywords
video conferencing
point video
conferencing device
point
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.)
Expired - Lifetime
Application number
DE69513706T
Other languages
English (en)
Other versions
DE69513706D1 (de
Inventor
Hiromi Mizuno
Hideyuki Fukuoka
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE69513706D1 publication Critical patent/DE69513706D1/de
Application granted granted Critical
Publication of DE69513706T2 publication Critical patent/DE69513706T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
    • G09B5/14—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations with provision for individual teacher-student communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN
    • 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)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Information Transfer Between Computers (AREA)
  • Telephonic Communication Services (AREA)
DE69513706T 1994-02-24 1995-02-21 Mehrpunkt-Videokonferenzgerät und -system Expired - Lifetime DE69513706T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2583094 1994-02-24
JP6217474A JP2830750B2 (ja) 1994-02-24 1994-09-12 画像多地点通信制御装置と画像通信端末および画像通信システム

Publications (2)

Publication Number Publication Date
DE69513706D1 DE69513706D1 (de) 2000-01-13
DE69513706T2 true DE69513706T2 (de) 2000-05-31

Family

ID=26363523

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69513706T Expired - Lifetime DE69513706T2 (de) 1994-02-24 1995-02-21 Mehrpunkt-Videokonferenzgerät und -system

Country Status (7)

Country Link
US (1) US5812185A (de)
EP (1) EP0669764B1 (de)
JP (1) JP2830750B2 (de)
KR (1) KR950026287A (de)
AU (1) AU687969B2 (de)
CA (1) CA2143257C (de)
DE (1) DE69513706T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838664A (en) 1997-07-17 1998-11-17 Videoserver, Inc. Video teleconferencing system with digital transcoding
JPH09219851A (ja) * 1996-02-09 1997-08-19 Nec Corp 多地点ビデオ会議制御方法及び装置
FR2776457B1 (fr) * 1998-03-23 2000-04-28 France Telecom Systeme de visioconference multipoint a presence permanente
AU5438999A (en) * 1998-09-02 2000-03-27 Multiscience International Enterprise management system
US6532218B1 (en) * 1999-04-05 2003-03-11 Siemens Information & Communication Networks, Inc. System and method for multimedia collaborative conferencing
US20020138842A1 (en) * 1999-12-17 2002-09-26 Chong James I. Interactive multimedia video distribution system
JP5089838B2 (ja) * 2001-09-18 2012-12-05 オリンパス株式会社 内視鏡装置
JP2003177960A (ja) * 2001-12-12 2003-06-27 Matsushita Electric Ind Co Ltd 演算装置及び記憶装置
JP4601895B2 (ja) 2002-09-26 2010-12-22 富士通コンポーネント株式会社 切替器及びコンピュータシステム
US7616208B2 (en) 2002-12-18 2009-11-10 Genesys Conferencing Ltd. Method and system for application broadcast
JP2008085677A (ja) * 2006-09-27 2008-04-10 Toshiba Corp 情報制御装置、情報合成装置及びプログラム
US7920557B2 (en) * 2007-02-15 2011-04-05 Harris Corporation Apparatus and method for soft media processing within a routing switcher
US8843980B1 (en) * 2008-01-16 2014-09-23 Sprint Communications Company L.P. Network-based video source authentication
GB2483282B (en) * 2010-09-03 2017-09-13 Advanced Risc Mach Ltd Data compression and decompression using relative and absolute delta values
WO2012161347A1 (ja) * 2011-05-24 2012-11-29 九州日本電気ソフトウェア株式会社 情報処理装置、情報処理方法、および、プログラム記憶媒体
JP2014127847A (ja) * 2012-12-26 2014-07-07 Panasonic Corp 画像監視システム
WO2014134820A1 (zh) * 2013-03-08 2014-09-12 华为终端有限公司 视频通信方法及家庭终端、家庭服务器
KR20170042800A (ko) 2014-08-13 2017-04-19 메타마코 테크놀로지 엘피 낮은 레이턴시 스위칭 장치 및 그 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6132683A (ja) * 1984-07-25 1986-02-15 Nippon Telegr & Teleph Corp <Ntt> 多地点間テレビ会議方式
JPS62108688A (ja) * 1985-11-06 1987-05-19 Nippon Telegr & Teleph Corp <Ntt> 多地点間通信方式
DE3807068A1 (de) * 1988-03-04 1989-09-14 Henkel Kgaa Quataere imidazoliniumphosphate
JP2790538B2 (ja) * 1990-10-19 1998-08-27 富士通株式会社 双方向簡易動画通信方式
JPH06253308A (ja) * 1993-03-01 1994-09-09 Fujitsu Ltd 映像通信制御方式

Also Published As

Publication number Publication date
JPH07288793A (ja) 1995-10-31
CA2143257C (en) 1999-09-28
DE69513706D1 (de) 2000-01-13
AU1344095A (en) 1995-08-31
EP0669764A1 (de) 1995-08-30
JP2830750B2 (ja) 1998-12-02
AU687969B2 (en) 1998-03-05
US5812185A (en) 1998-09-22
EP0669764B1 (de) 1999-12-08
CA2143257A1 (en) 1995-08-25
KR950026287A (ko) 1995-09-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition