DE69316665T2 - Mehrpunktvideoübertragungssystem für Satellitenkommunikation - Google Patents

Mehrpunktvideoübertragungssystem für Satellitenkommunikation

Info

Publication number
DE69316665T2
DE69316665T2 DE69316665T DE69316665T DE69316665T2 DE 69316665 T2 DE69316665 T2 DE 69316665T2 DE 69316665 T DE69316665 T DE 69316665T DE 69316665 T DE69316665 T DE 69316665T DE 69316665 T2 DE69316665 T2 DE 69316665T2
Authority
DE
Germany
Prior art keywords
station
central station
remote
signal
remote stations
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
DE69316665T
Other languages
German (de)
English (en)
Other versions
DE69316665D1 (de
Inventor
Satoshi Ikehama
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE69316665D1 publication Critical patent/DE69316665D1/de
Application granted granted Critical
Publication of DE69316665T2 publication Critical patent/DE69316665T2/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
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/142—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
    • H04N7/144—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display camera and display on the same optical axis, e.g. optically multiplexing the camera and display for eye to eye contact
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Radio Relay Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Closed-Circuit Television Systems (AREA)
DE69316665T 1992-04-03 1993-03-31 Mehrpunktvideoübertragungssystem für Satellitenkommunikation Expired - Fee Related DE69316665T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8215292 1992-04-03

Publications (2)

Publication Number Publication Date
DE69316665D1 DE69316665D1 (de) 1998-03-05
DE69316665T2 true DE69316665T2 (de) 1998-06-10

Family

ID=13766471

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69331158T Expired - Fee Related DE69331158T2 (de) 1992-04-03 1993-03-31 Mehrpunktvideoübertragungssystem für Satellitenkommunikation
DE69316665T Expired - Fee Related DE69316665T2 (de) 1992-04-03 1993-03-31 Mehrpunktvideoübertragungssystem für Satellitenkommunikation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69331158T Expired - Fee Related DE69331158T2 (de) 1992-04-03 1993-03-31 Mehrpunktvideoübertragungssystem für Satellitenkommunikation

Country Status (3)

Country Link
US (2) US5555443A (enExample)
EP (2) EP0806869B1 (enExample)
DE (2) DE69331158T2 (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10361802B1 (en) 1999-02-01 2019-07-23 Blanding Hovenweep, Llc Adaptive pattern recognition based control system and method
US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
DE69331158T2 (de) * 1992-04-03 2002-08-29 Hitachi, Ltd. Mehrpunktvideoübertragungssystem für Satellitenkommunikation
GB2282906B (en) 1993-10-13 1996-11-06 Dataquill Ltd Data enty systems
IT1273137B (it) * 1994-04-13 1997-07-04 Sip Unita' periferica per multivideoconferenza via satellite
US5721586A (en) * 1994-11-08 1998-02-24 Fuji Photo Optical Co., Ltd. Movable half mirror having a movable prompter for TV camera
EP0761062B1 (en) * 1995-03-24 1999-12-15 European Broadcasting Union A conferencing system
GB9600804D0 (en) 1996-01-17 1996-03-20 Robb Garry D Multiphone
JP3717590B2 (ja) * 1996-03-08 2005-11-16 フジノン株式会社 プロンプターの映像信号処理装置
US5940229A (en) * 1996-03-26 1999-08-17 David Baumgarten Image reflecting device for use with a computer monitor
JPH09266460A (ja) * 1996-03-28 1997-10-07 Sony Corp 送受信システム
US6377561B1 (en) * 1996-06-24 2002-04-23 Spar Aerospace Limited Data communication satellite system and method of carrying multi-media traffic
JP3217723B2 (ja) * 1997-03-13 2001-10-15 ▲すすむ▼ 舘 遠隔通信システム及び遠隔通信方法
FR2780229B1 (fr) * 1998-06-23 2000-09-01 Hc Systeme de visioconference multipoints par satellite
US7966078B2 (en) 1999-02-01 2011-06-21 Steven Hoffberg Network media appliance system and method
US7123875B1 (en) * 1999-11-04 2006-10-17 Xm Satellite Radio, Inc. System and method for multipoint distribution of satellite digital audio radio service
US20010037509A1 (en) * 2000-03-02 2001-11-01 Joel Kligman Hybrid wired/wireless video surveillance system
DE10135626B4 (de) * 2000-07-21 2007-09-06 Fujinon Corp. Teleprompter und zugehöriges Signalverarbeitungsgerät
US20070273751A1 (en) * 2000-09-05 2007-11-29 Sachau John A System and methods for mobile videoconferencing
US7065321B2 (en) * 2001-07-31 2006-06-20 The Boeing Company Method and apparatus of using satellites to augment traffic capacity of a wireless network infrastructure
RU2240657C1 (ru) * 2003-12-29 2004-11-20 Дмитриев Григорий Гемфриевич Способ и система осуществления видеоконференций
US20070206090A1 (en) * 2006-03-06 2007-09-06 Toby Barraud Portable video system for two-way remote steadicam-operated interviewing
US8350960B2 (en) * 2009-01-22 2013-01-08 Deotte Richard William Prompting device
US9852647B2 (en) * 2013-08-30 2017-12-26 Amrita Vishwa Vidyapeetham System and method for synthesizing and preserving consistent relative neighborhood position in multi-perspective multi-point tele-immersive environments
US9826196B2 (en) * 2013-08-30 2017-11-21 Amrita Vishwa Vidyapeetham System and method for synthesizing and preserving consistent relative neighborhood position in multi-perspective multi-point tele-immersive environments
US10360808B2 (en) * 2013-08-30 2019-07-23 Amrita Vishwa Vidyapeetham System and method for synthesizing and preserving consistent relative neighborhood position in multi-perspective multi-point tele-immersive environments
US9386271B2 (en) * 2013-08-30 2016-07-05 Amrita Vishwa Vidyapeetham System and method for synthesizing and preserving consistent relative neighborhood position in multi-perspective multi-point tele-immersive environments
CN106101603A (zh) * 2016-06-23 2016-11-09 广州派诺网络技术有限公司 一种扁平化视频通信方法

Family Cites Families (11)

* 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
US4882743A (en) * 1988-08-01 1989-11-21 American Telephone And Telegraph Multi-location video conference system
JPH0265426A (ja) * 1988-08-31 1990-03-06 Toshiba Corp 衛星テレビジョン会議システム
JPH0744609B2 (ja) * 1988-09-09 1995-05-15 日本電気株式会社 多地点遠隔会議装置
US4965819A (en) * 1988-09-22 1990-10-23 Docu-Vision, Inc. Video conferencing system for courtroom and other applications
US5003532A (en) * 1989-06-02 1991-03-26 Fujitsu Limited Multi-point conference system
GB2238691A (en) * 1989-11-30 1991-06-05 Stephen Robin Temple Multi-party videoconferencing configuration
US5225902A (en) * 1990-03-20 1993-07-06 Scientific-Atlanta, Inc. Automatic frequency selection in a bi-directional cable television system
JPH0412771U (enExample) * 1990-05-19 1992-01-31
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
DE69331158T2 (de) * 1992-04-03 2002-08-29 Hitachi, Ltd. Mehrpunktvideoübertragungssystem für Satellitenkommunikation

Also Published As

Publication number Publication date
US5771436A (en) 1998-06-23
DE69316665D1 (de) 1998-03-05
EP0806869A3 (en) 1998-03-11
EP0563937B1 (en) 1998-01-28
EP0806869A2 (en) 1997-11-12
EP0806869B1 (en) 2001-11-14
DE69331158T2 (de) 2002-08-29
DE69331158D1 (de) 2001-12-20
EP0563937A2 (en) 1993-10-06
EP0563937A3 (enExample) 1994-02-16
US5555443A (en) 1996-09-10

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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