DE68913616T2 - Methode zum Aufbau einer audiovisuellen Nachrichtenverbindung zwischen mehreren Stationen. - Google Patents

Methode zum Aufbau einer audiovisuellen Nachrichtenverbindung zwischen mehreren Stationen.

Info

Publication number
DE68913616T2
DE68913616T2 DE68913616T DE68913616T DE68913616T2 DE 68913616 T2 DE68913616 T2 DE 68913616T2 DE 68913616 T DE68913616 T DE 68913616T DE 68913616 T DE68913616 T DE 68913616T DE 68913616 T2 DE68913616 T2 DE 68913616T2
Authority
DE
Germany
Prior art keywords
establishing
communication link
several stations
audiovisual communication
audiovisual
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
DE68913616T
Other languages
English (en)
Other versions
DE68913616D1 (de
Inventor
M Fatein Mahmoud
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Application granted granted Critical
Publication of DE68913616D1 publication Critical patent/DE68913616D1/de
Publication of DE68913616T2 publication Critical patent/DE68913616T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • 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
    • H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/50—Aspects of automatic or semi-automatic exchanges related to audio conference
    • H04M2203/5009—Adding a party to an existing conference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/50—Aspects of automatic or semi-automatic exchanges related to audio conference
    • H04M2203/5063—Centrally initiated conference, i.e. Conference server dials participants
DE68913616T 1988-08-01 1989-07-27 Methode zum Aufbau einer audiovisuellen Nachrichtenverbindung zwischen mehreren Stationen. Expired - Lifetime DE68913616T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/226,491 US4882743A (en) 1988-08-01 1988-08-01 Multi-location video conference system

Publications (2)

Publication Number Publication Date
DE68913616D1 DE68913616D1 (de) 1994-04-14
DE68913616T2 true DE68913616T2 (de) 1994-06-16

Family

ID=22849121

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68913616T Expired - Lifetime DE68913616T2 (de) 1988-08-01 1989-07-27 Methode zum Aufbau einer audiovisuellen Nachrichtenverbindung zwischen mehreren Stationen.

Country Status (4)

Country Link
US (1) US4882743A (de)
EP (1) EP0353945B1 (de)
CA (1) CA1330236C (de)
DE (1) DE68913616T2 (de)

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JP2856751B2 (ja) * 1989-01-24 1999-02-10 株式会社東芝 通信方法及び通信装置
US5045940A (en) * 1989-12-22 1991-09-03 Avid Technology, Inc. Video/audio transmission systsem and method
KR100220042B1 (ko) * 1990-06-07 1999-09-01 가부시키가이샤 히타치 세이사쿠쇼 발표지원방법 및 그 장치
DE4041319A1 (de) * 1990-12-21 1992-07-02 Berthold Burkhardtsmaier System und verfahren zur video- und audiokommunikation
US5253275A (en) 1991-01-07 1993-10-12 H. Lee Browne Audio and video transmission and receiving system
EP0500091B1 (de) * 1991-02-20 1998-07-15 Hitachi, Ltd. Videofernsprechgerät
US5587735A (en) * 1991-07-24 1996-12-24 Hitachi, Ltd. Video telephone
EP0523617B1 (de) * 1991-07-15 1997-10-01 Hitachi, Ltd. Telekonferenzendstellengerät
JP3308563B2 (ja) * 1991-07-15 2002-07-29 株式会社日立製作所 多地点テレビ会議システム
AU645914B2 (en) 1991-07-15 1994-01-27 Hitachi Limited Picture codec and teleconference terminal equipment
DE4142550A1 (de) * 1991-12-21 1993-06-24 Philips Patentverwaltung Videokonferenzsystem
JPH05207460A (ja) * 1992-01-30 1993-08-13 Hitachi Ltd 画像信号の多重化伝送装置及びシステム
DE69331158T2 (de) * 1992-04-03 2002-08-29 Hitachi Ltd Mehrpunktvideoübertragungssystem für Satellitenkommunikation
US5475421A (en) * 1992-06-03 1995-12-12 Digital Equipment Corporation Video data scaling for video teleconferencing workstations communicating by digital data network
US5375068A (en) * 1992-06-03 1994-12-20 Digital Equipment Corporation Video teleconferencing for networked workstations
US5623690A (en) * 1992-06-03 1997-04-22 Digital Equipment Corporation Audio/video storage and retrieval for multimedia workstations by interleaving audio and video data in data file
US5594859A (en) * 1992-06-03 1997-01-14 Digital Equipment Corporation Graphical user interface for video teleconferencing
US6577324B1 (en) 1992-06-03 2003-06-10 Compaq Information Technologies Group, L.P. Video and audio multimedia pop-up documentation by performing selected functions on selected topics
US7397363B2 (en) 1993-06-08 2008-07-08 Raymond Anthony Joao Control and/or monitoring apparatus and method
US6738357B1 (en) 1993-06-09 2004-05-18 Btg International Inc. Method and apparatus for multiple media digital communication system
US5930473A (en) * 1993-06-24 1999-07-27 Teng; Peter Video application server for mediating live video services
US5530472A (en) * 1993-06-29 1996-06-25 Sprint Communications Company L.P. Video conference system including a non-reserved video conference capability
JPH07123167A (ja) * 1993-08-30 1995-05-12 Canon Inc 通信端末装置及び通信会議システム
EP0657833A2 (de) * 1993-12-13 1995-06-14 International Business Machines Corporation Mechanismus für die Zeiger-Benutzer-Assoziation auf Konferenz-Arbeitsplatzrechnern
US5691713A (en) * 1994-01-18 1997-11-25 Fuji Xerox Co., Ltd. Communication apparatus allowing a receiver to recognize a generalized situation of a sender
JPH08161412A (ja) * 1994-12-07 1996-06-21 Oak Net:Kk オークション情報送信処理システム
US5854898A (en) 1995-02-24 1998-12-29 Apple Computer, Inc. System for automatically adding additional data stream to existing media connection between two end points upon exchange of notifying and confirmation messages therebetween
DE19537712A1 (de) * 1995-10-10 1997-04-17 Rtl Plus Deutschland Fernsehen Satelliten-Kommunikationssystem
US10011247B2 (en) 1996-03-27 2018-07-03 Gtj Ventures, Llc Control, monitoring and/or security apparatus and method
US10152876B2 (en) 1996-03-27 2018-12-11 Gtj Ventures, Llc Control, monitoring, and/or security apparatus and method
US7253731B2 (en) 2001-01-23 2007-08-07 Raymond Anthony Joao Apparatus and method for providing shipment information
US7277010B2 (en) 1996-03-27 2007-10-02 Raymond Anthony Joao Monitoring apparatus and method
US5857189A (en) * 1996-05-08 1999-01-05 Apple Computer, Inc. File sharing in a teleconference application
US7167897B2 (en) * 1996-05-08 2007-01-23 Apple Computer, Inc. Accessories providing a telephone conference application one or more capabilities independent of the teleconference application
US9075136B1 (en) 1998-03-04 2015-07-07 Gtj Ventures, Llc Vehicle operator and/or occupant information apparatus and method
US6445717B1 (en) 1998-05-01 2002-09-03 Niwot Networks, Inc. System for recovering lost information in a data stream
FR2780229B1 (fr) * 1998-06-23 2000-09-01 Hc Systeme de visioconference multipoints par satellite
US6041283A (en) * 1998-08-07 2000-03-21 Input/Output, Inc. Remote control system for seismic acquisition
WO2000077711A1 (en) * 1999-05-24 2000-12-21 Input/Out, Inc. Remote control system for seismic acquisition
US6288753B1 (en) 1999-07-07 2001-09-11 Corrugated Services Corp. System and method for live interactive distance learning
JP3799960B2 (ja) * 2000-05-12 2006-07-19 日本電気株式会社 衛星通信会議システム及び方法
US10562492B2 (en) 2002-05-01 2020-02-18 Gtj Ventures, Llc Control, monitoring and/or security apparatus and method
US20060095376A1 (en) * 2002-12-20 2006-05-04 Arthur Mitchell Virtual meetings
US7376476B2 (en) * 2003-09-12 2008-05-20 International Business Machines Corporation Methods for changing time intervals of the occurrence of audio information from local and remote sites
US7256816B2 (en) * 2004-10-25 2007-08-14 3V Technologies Incorporated Systems and processes for scheduling and conducting audio/video communications
RU2321183C2 (ru) * 2005-12-23 2008-03-27 Григорий Гемфриевич Дмитриев Способ и система осуществления видеоконференций
US7783248B1 (en) * 2006-09-29 2010-08-24 The Directv Group, Inc. Method and apparatus for connecting primary and diverse sites in a satellite communication system
US7693483B1 (en) 2006-09-29 2010-04-06 The Directv Group, Inc. Method and system for operating a satellite communication system with regional redundant sites and a central site
US7706747B1 (en) * 2006-09-29 2010-04-27 The Directv Group, Inc. Method and system for broadcasting in a satellite communication system when switching between a primary site and a diverse site
US7596350B1 (en) * 2006-09-29 2009-09-29 The Directv Group, Inc. Method and system for determining delays between a primary site and diverse site in a satellite communication system
US20080129816A1 (en) * 2006-11-30 2008-06-05 Quickwolf Technology, Inc. Childcare video conferencing system and method
US7689568B2 (en) * 2006-12-28 2010-03-30 Industrial Technology Research Institute Communication system
US9461758B2 (en) * 2007-09-11 2016-10-04 The Directv Group, Inc. Method and system for monitoring various signals in a continuous processing circuit for a single channel in a communication system
US8424044B2 (en) * 2007-09-11 2013-04-16 The Directv Group, Inc. Method and system for monitoring and switching between a primary encoder and a back-up encoder in a communication system
US8165060B2 (en) * 2007-09-11 2012-04-24 The Directv Group, Inc. Method and system for monitoring and switching between primary and back-up uplink signal processing circuits in a satellite communication system
US8804499B2 (en) * 2007-09-11 2014-08-12 The Directv Group, Inc. Method and system for monitoring and switching between a first uplink signal processing circuit and a secondary uplink signal processing circuit
US8792336B2 (en) * 2007-09-11 2014-07-29 The Directv Group, Inc. Method and system for monitoring and switching between primary and back-up receiver decoder circuits in a communication system
US7859137B2 (en) * 2008-05-09 2010-12-28 Tap.Tv, Inc. Scalable switch device and system
US20090282437A1 (en) * 2008-05-09 2009-11-12 Tap.Tv System and Method for Controlling Media at a Plurality of Output Devices
US8390467B2 (en) 2011-01-12 2013-03-05 Crestron Electronics Inc. Cable clamp-on device including a user interface
US8842081B2 (en) * 2011-01-13 2014-09-23 Synaptics Incorporated Integrated display and touch system with displayport/embedded displayport interface
US20130038678A1 (en) * 2011-08-08 2013-02-14 Emc Satcom Technologies, Llc Video management system over satellite
US10546441B2 (en) 2013-06-04 2020-01-28 Raymond Anthony Joao Control, monitoring, and/or security, apparatus and method for premises, vehicles, and/or articles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4360827A (en) * 1981-06-02 1982-11-23 Darome, Inc. Method and means for interactive audio and video conferencing
US4516156A (en) * 1982-03-15 1985-05-07 Satellite Business Systems Teleconferencing method and system
US4529839A (en) * 1983-10-25 1985-07-16 At&T Bell Laboratories Multilocation video conference terminal including an arrangement to reduce disruption in video switching
EP0153903B1 (de) * 1984-02-29 1988-11-09 Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH Nachrichtensystem für Bildkonferenzen
DE3688855T2 (de) * 1985-05-01 1994-03-17 Gen Instrument Corp Satellitenübertragungssystem mit Direktübertragung.

Also Published As

Publication number Publication date
EP0353945B1 (de) 1994-03-09
EP0353945A1 (de) 1990-02-07
US4882743A (en) 1989-11-21
CA1330236C (en) 1994-06-14
DE68913616D1 (de) 1994-04-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN