DE69320855D1 - Videokonferenzeinrichtung - Google Patents

Videokonferenzeinrichtung

Info

Publication number
DE69320855D1
DE69320855D1 DE69320855T DE69320855T DE69320855D1 DE 69320855 D1 DE69320855 D1 DE 69320855D1 DE 69320855 T DE69320855 T DE 69320855T DE 69320855 T DE69320855 T DE 69320855T DE 69320855 D1 DE69320855 D1 DE 69320855D1
Authority
DE
Germany
Prior art keywords
video conference
conference facility
facility
video
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.)
Expired - Fee Related
Application number
DE69320855T
Other languages
English (en)
Other versions
DE69320855T2 (de
Inventor
Iwao Ishinabe
Nobuyuki Matsuyama
Nobuyoshi Torii
Shuichi Ishiwata
Toshiaki Watanuki
Tomoki Kozono
Toshiyuki Sumida
Yoji Shibata
Kiyoshi Ishida
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
Hitachi Information Technology Co Ltd
Original Assignee
Hitachi Ltd
Hitachi Communication Systems 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 Hitachi Ltd, Hitachi Communication Systems Inc filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE69320855D1 publication Critical patent/DE69320855D1/de
Publication of DE69320855T2 publication Critical patent/DE69320855T2/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
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimiles In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Telephonic Communication Services (AREA)
DE69320855T 1992-03-30 1993-03-02 Videokonferenzeinrichtung Expired - Fee Related DE69320855T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07375292A JP3457338B2 (ja) 1992-03-30 1992-03-30 テレビ電話・テレビ会議装置

Publications (2)

Publication Number Publication Date
DE69320855D1 true DE69320855D1 (de) 1998-10-15
DE69320855T2 DE69320855T2 (de) 1999-04-29

Family

ID=13527300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320855T Expired - Fee Related DE69320855T2 (de) 1992-03-30 1993-03-02 Videokonferenzeinrichtung

Country Status (4)

Country Link
US (1) US5373316A (de)
EP (1) EP0563594B1 (de)
JP (1) JP3457338B2 (de)
DE (1) DE69320855T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6121998A (en) * 1992-02-19 2000-09-19 8×8, Inc. Apparatus and method for videocommunicating having programmable architecture permitting data revisions
US5583920A (en) * 1992-04-17 1996-12-10 Bell Atlantic Intelligent peripheral in video dial tone network
US5550649A (en) * 1992-05-14 1996-08-27 Current Logic Systems, Inc. Multi-function telecommunications instrument
GB2267625B (en) * 1992-05-20 1996-08-21 Northern Telecom Ltd Video services
JPH0774830A (ja) * 1993-06-22 1995-03-17 Canon Inc マルチメディア情報通信装置
EP0642270A1 (de) * 1993-09-01 1995-03-08 Siemens Rolm Communications Inc. (a Delaware corp.) Verfahren und Vorrichtung zum gleichzeitigen in-Band Dokumentaustausch während einer Videokonferenz
US5526350A (en) * 1994-03-09 1996-06-11 British Telecommunications Public Limited Company Communication network with bandwidth managers for allocating bandwidth to different types of traffic
EP0749662B1 (de) * 1994-03-09 2000-09-20 BRITISH TELECOMMUNICATIONS public limited company Bandbreitenverwaltung in einem fernsprechwählnetz
US5499240A (en) * 1994-03-09 1996-03-12 British Telecommunications Public Limited Company Switched communication network with bandwidth managers for achieving end-to-end data compression during transport
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
US5675375A (en) * 1994-12-15 1997-10-07 Harris Corporation Home videoconferencing system (HVS)
KR100246747B1 (ko) * 1994-12-28 2000-03-15 윤종용 다지점 화상회의 제어시스템 및 그 데이타통신 제어방법
US5710591A (en) * 1995-06-27 1998-01-20 At&T Method and apparatus for recording and indexing an audio and multimedia conference
US6215796B1 (en) 1996-03-12 2001-04-10 Nortel Networks Limited Process for subchannel bandwidth allocation and extraction by an ISDN communications controller
US6125127A (en) * 1996-03-12 2000-09-26 Nortel Networks Corporation Method of convenient call acceptance for an ISDN communications controller
US6243390B1 (en) 1996-03-12 2001-06-05 Nortel Networks Limited ISDN communications controller
US5995490A (en) * 1996-12-13 1999-11-30 Siemens Information And Communication Networks, Inc. Method and system for integrating video and data transfers in a multimedia session
US7031391B1 (en) 1997-02-18 2006-04-18 Harris Corporation Narrowband video codec
US6034953A (en) * 1997-03-12 2000-03-07 Nortel Networks Corporation System for local voice distribution by an ISDN communications controller
JPH11231778A (ja) 1998-02-18 1999-08-27 Matsushita Electric Ind Co Ltd 暗号化装置及び復号装置、暗号化方法及び復号方法並びにそれらの方法を記録した記録媒体
JP4238410B2 (ja) * 1999-04-09 2009-03-18 ソニー株式会社 情報処理システム
EP1178683A3 (de) * 2000-07-31 2002-02-13 PictureTel Corporation Knoten für ein Videokonferenzsystem
WO2002080456A1 (en) 2001-03-30 2002-10-10 Egc & C Co., Ltd. Method of intermediating multicasting signal for multicasting embodiment
US7313178B2 (en) 2002-04-10 2007-12-25 International Business Machines Corporation Transceiver for receiving and transmitting data over a network and method for testing the same
US20060007473A1 (en) * 2004-07-07 2006-01-12 Erin Zhu Videophone having integrated facsimile machine
US20060200517A1 (en) * 2005-03-03 2006-09-07 Steve Nelson Method and apparatus for real time multi-party conference document copier

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524750A1 (fr) * 1982-03-30 1983-10-07 Telecommunications Sa Systeme de visioconference multisalle
DE3218261A1 (de) * 1982-05-14 1983-12-22 Siemens AG, 1000 Berlin und 8000 München Breitkommunikationssystem
JPH0683325B2 (ja) * 1986-04-03 1994-10-19 キヤノン株式会社 デ−タ通信装置
JPS6331385A (ja) * 1986-07-25 1988-02-10 Sony Corp 多重化ｔｖ電話装置
US4878242A (en) * 1986-07-25 1989-10-31 Ricoh Corporation Teleconferencing system
JPS63203079A (ja) * 1987-02-19 1988-08-22 Toshiba Corp テレビ会議システム
JPH01261071A (ja) * 1988-04-12 1989-10-18 Retsutsu Corp:Kk 端末切替制御装置
JPH0636594B2 (ja) * 1988-07-29 1994-05-11 三菱電機株式会社 テレビ電話機
JPH0222989A (ja) * 1988-07-12 1990-01-25 Matsushita Electric Ind Co Ltd テレビ電話装置
JPH0239693A (ja) * 1988-07-29 1990-02-08 Konica Corp 多機能型テレビ電話装置
JP2861010B2 (ja) * 1988-12-29 1999-02-24 日本電気株式会社 テレビ電話機
JPH02301252A (ja) * 1989-05-15 1990-12-13 Shozo Iwai 構内用テレビ電話通信装置
US5136581A (en) * 1990-07-02 1992-08-04 At&T Bell Laboratories Arrangement for reserving and allocating a plurality of competing demands for an ordered bus communication network

Also Published As

Publication number Publication date
DE69320855T2 (de) 1999-04-29
EP0563594A1 (de) 1993-10-06
JP3457338B2 (ja) 2003-10-14
EP0563594B1 (de) 1998-09-09
JPH05276508A (ja) 1993-10-22
US5373316A (en) 1994-12-13

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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