DE69527440D1 - Verfahren und vorrichtung zur abhaltung von telekonferenzen - Google Patents

Verfahren und vorrichtung zur abhaltung von telekonferenzen

Info

Publication number
DE69527440D1
DE69527440D1 DE69527440T DE69527440T DE69527440D1 DE 69527440 D1 DE69527440 D1 DE 69527440D1 DE 69527440 T DE69527440 T DE 69527440T DE 69527440 T DE69527440 T DE 69527440T DE 69527440 D1 DE69527440 D1 DE 69527440D1
Authority
DE
Germany
Prior art keywords
image
station
signal
imaging system
differential
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
DE69527440T
Other languages
English (en)
Other versions
DE69527440T2 (de
Inventor
Lee Allen
Herold Williams
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.)
Polycom Inc
Original Assignee
Telesuite 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 Telesuite Corp filed Critical Telesuite Corp
Application granted granted Critical
Publication of DE69527440D1 publication Critical patent/DE69527440D1/de
Publication of DE69527440T2 publication Critical patent/DE69527440T2/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
    • 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
    • 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
    • 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
    • H04M3/567—Multimedia 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
DE69527440T 1994-09-19 1995-09-18 Verfahren und vorrichtung zur abhaltung von telekonferenzen Expired - Lifetime DE69527440T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/308,603 US5572248A (en) 1994-09-19 1994-09-19 Teleconferencing method and system for providing face-to-face, non-animated teleconference environment
PCT/US1995/011802 WO1996009722A1 (en) 1994-09-19 1995-09-18 Teleconferencing method and system

Publications (2)

Publication Number Publication Date
DE69527440D1 true DE69527440D1 (de) 2002-08-22
DE69527440T2 DE69527440T2 (de) 2003-02-20

Family

ID=23194627

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69527440T Expired - Lifetime DE69527440T2 (de) 1994-09-19 1995-09-18 Verfahren und vorrichtung zur abhaltung von telekonferenzen
DE69534660T Expired - Lifetime DE69534660T2 (de) 1994-09-19 1995-09-18 Verfahren und System zur Abhaltung von Videokonferenzen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69534660T Expired - Lifetime DE69534660T2 (de) 1994-09-19 1995-09-18 Verfahren und System zur Abhaltung von Videokonferenzen

Country Status (9)

Country Link
US (7) US5572248A (de)
EP (2) EP0806115B1 (de)
JP (1) JPH10508990A (de)
KR (1) KR100403885B1 (de)
AT (2) ATE311724T1 (de)
AU (1) AU697578B2 (de)
CA (1) CA2200477C (de)
DE (2) DE69527440T2 (de)
WO (1) WO1996009722A1 (de)

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Also Published As

Publication number Publication date
EP0806115B1 (de) 2002-07-17
US5572248A (en) 1996-11-05
US20040100553A1 (en) 2004-05-27
EP1187480B1 (de) 2005-11-30
JPH10508990A (ja) 1998-09-02
US6445405B1 (en) 2002-09-03
US6654045B2 (en) 2003-11-25
DE69534660T2 (de) 2006-07-27
US20030020805A1 (en) 2003-01-30
EP1187480A1 (de) 2002-03-13
AU697578B2 (en) 1998-10-08
DE69534660D1 (de) 2006-01-05
CA2200477C (en) 2005-02-08
AU3634495A (en) 1996-04-09
DE69527440T2 (de) 2003-02-20
EP0806115A1 (de) 1997-11-12
KR100403885B1 (ko) 2004-04-03
US5751337A (en) 1998-05-12
WO1996009722A1 (en) 1996-03-28
ATE220838T1 (de) 2002-08-15
CA2200477A1 (en) 1996-03-28
US7116350B2 (en) 2006-10-03
US6160573A (en) 2000-12-12
ATE311724T1 (de) 2005-12-15
US20070120954A1 (en) 2007-05-31
EP0806115A4 (de) 1998-03-11

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