DE602005018753D1 - Mehrpunkt-konferenzsystem und mehrpunkt-konferenzeinrichtung - Google Patents

Mehrpunkt-konferenzsystem und mehrpunkt-konferenzeinrichtung

Info

Publication number
DE602005018753D1
DE602005018753D1 DE602005018753T DE602005018753T DE602005018753D1 DE 602005018753 D1 DE602005018753 D1 DE 602005018753D1 DE 602005018753 T DE602005018753 T DE 602005018753T DE 602005018753 T DE602005018753 T DE 602005018753T DE 602005018753 D1 DE602005018753 D1 DE 602005018753D1
Authority
DE
Germany
Prior art keywords
multiport conference
multiport
facility
conference system
conference
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.)
Active
Application number
DE602005018753T
Other languages
English (en)
Inventor
Kouichi Matsumoto
Kazunori Ozawa
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 DE602005018753D1 publication Critical patent/DE602005018753D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
    • 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

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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE602005018753T 2004-03-25 2005-03-22 Mehrpunkt-konferenzsystem und mehrpunkt-konferenzeinrichtung Active DE602005018753D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004089434 2004-03-25
PCT/JP2005/005093 WO2005094077A1 (ja) 2004-03-25 2005-03-22 多地点会議システムおよび多地点会議装置

Publications (1)

Publication Number Publication Date
DE602005018753D1 true DE602005018753D1 (de) 2010-02-25

Family

ID=35056562

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005018753T Active DE602005018753D1 (de) 2004-03-25 2005-03-22 Mehrpunkt-konferenzsystem und mehrpunkt-konferenzeinrichtung

Country Status (7)

Country Link
US (1) US7667729B2 (de)
EP (1) EP1732323B1 (de)
JP (1) JPWO2005094077A1 (de)
KR (1) KR100906687B1 (de)
CN (1) CN1934861A (de)
DE (1) DE602005018753D1 (de)
WO (1) WO2005094077A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101176628B1 (ko) 2006-01-16 2012-08-23 삼성전자주식회사 멀티미디어 컨퍼런스에서의 컨퍼런스 데이터 저장 방법 및그 시스템
JP2007306317A (ja) * 2006-05-11 2007-11-22 Nec Corp メディアモニタシステムおよびメディアモニタ方法
JP4620696B2 (ja) * 2007-02-27 2011-01-26 株式会社日立製作所 ストリーミングデータ伝送システム、コグニティブ制御ノード、ビデオサーバ、トランスコーディング方法、及び帯域予約方法
US8675853B1 (en) * 2007-06-20 2014-03-18 West Corporation System, method, and computer-readable medium for diagnosing a conference call
JP4850286B2 (ja) * 2007-07-05 2012-01-11 三菱電機株式会社 デジタル映像伝送システム
JP2009044328A (ja) 2007-08-07 2009-02-26 Seiko Epson Corp 会議システム、サーバ、画像表示方法、コンピュータプログラム及び記録媒体
WO2011059974A2 (en) 2009-11-10 2011-05-19 Interdigital Patent Holdings, Inc. Collaborative session control transfer and inter-device transfer in internet protocol multimedia subsystem
CN102131071B (zh) 2010-01-18 2013-04-24 华为终端有限公司 视频画面切换的方法和装置
TWI565276B (zh) 2010-03-04 2017-01-01 內數位專利控股公司 在網際網路協定多媒體次系統協作期中識別及轉移方法及裝置
MX2012010712A (es) 2010-03-18 2012-12-17 Interdigital Patent Holdings Autorizacion de la transferencia de sesion del elemento de inter usuario.
JP5693065B2 (ja) * 2010-07-06 2015-04-01 キヤノン株式会社 通信端末、通信端末の制御方法及びプログラム
JP2013042492A (ja) * 2011-08-11 2013-02-28 Polycom Inc 常駐表示式ビデオ会議においてビデオストリームを切替える方法およびシステム
US20130147906A1 (en) * 2011-12-07 2013-06-13 Reginald Weiser Systems and methods for offloading video processing of a video conference
US11659138B1 (en) 2013-06-26 2023-05-23 Touchcast, Inc. System and method for interactive video conferencing
US11405587B1 (en) 2013-06-26 2022-08-02 Touchcast LLC System and method for interactive video conferencing
US10356363B2 (en) 2013-06-26 2019-07-16 Touchcast LLC System and method for interactive video conferencing
US10085029B2 (en) * 2015-07-21 2018-09-25 Qualcomm Incorporated Switching display devices in video telephony
JP6801890B2 (ja) 2016-02-29 2020-12-16 株式会社オーディオテクニカ 会議システム
WO2019056001A1 (en) * 2017-09-18 2019-03-21 Touchcast LLC INTERACTIVE VIDEOCONFERENCE SYSTEM AND METHOD
CN109587432A (zh) * 2018-10-29 2019-04-05 视联动力信息技术股份有限公司 一种会议发言终端切换方法及系统

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2504180B2 (ja) 1989-04-14 1996-06-05 三菱電機株式会社 多地点間画像通信システム
JP2839295B2 (ja) 1989-09-12 1998-12-16 富士通株式会社 多地点間テレビ会議システムの画面更新方式
JP3081425B2 (ja) 1993-09-29 2000-08-28 シャープ株式会社 映像符号化装置
JPH07222129A (ja) 1994-01-28 1995-08-18 Hitachi Ltd 映像通信装置
JPH08331535A (ja) 1995-06-05 1996-12-13 Canon Inc 多地点間通信システム
JPH11220711A (ja) 1998-02-03 1999-08-10 Fujitsu Ltd 多地点会議システム及び会議端末装置
JP2000270305A (ja) 1999-03-12 2000-09-29 Kansai Tlo Kk 多地点会議システム
JP2001045495A (ja) 1999-08-02 2001-02-16 Nec Eng Ltd 画面合成装置
JP2001069474A (ja) 1999-08-25 2001-03-16 Nec Corp 多地点制御装置及びそれに用いる映像表示方法
JP3818054B2 (ja) 2000-12-08 2006-09-06 日本電気株式会社 多地点ビデオ会議制御装置、音声切替え方法、およびそのプログラムを記録した記録媒体
JP2002209195A (ja) 2001-01-11 2002-07-26 Mitsubishi Electric Corp 通信サービスユニットおよびマルチメディア通信方式
US7085842B2 (en) 2001-02-12 2006-08-01 Open Text Corporation Line navigation conferencing system
JP2002262251A (ja) 2001-02-27 2002-09-13 Matsushita Electric Ind Co Ltd 会議サーバ装置及び多地点会議システム
US7020203B1 (en) 2001-12-21 2006-03-28 Polycom, Inc. Dynamic intra-coded macroblock refresh interval for video error concealment
JP2003244130A (ja) 2002-02-14 2003-08-29 Canon Inc 会議システム
EP1381237A3 (de) 2002-07-10 2004-05-12 Seiko Epson Corporation Mehrteilnehmerkonferenzsystem mit steuerbarem Inhalt und Lieferung via Rückkanal- Videoschnittstelle
US6963353B1 (en) * 2003-05-14 2005-11-08 Cisco Technology, Inc. Non-causal speaker selection for conference multicast
US8140980B2 (en) 2003-08-05 2012-03-20 Verizon Business Global Llc Method and system for providing conferencing services

Also Published As

Publication number Publication date
EP1732323A1 (de) 2006-12-13
EP1732323B1 (de) 2010-01-06
US7667729B2 (en) 2010-02-23
CN1934861A (zh) 2007-03-21
EP1732323A4 (de) 2007-06-06
JPWO2005094077A1 (ja) 2008-02-14
KR100906687B1 (ko) 2009-07-07
US20080218584A1 (en) 2008-09-11
WO2005094077A1 (ja) 2005-10-06
KR20070018029A (ko) 2007-02-13

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Legal Events

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