CA2338195C - Interface pour systeme de videoconference - Google Patents

Interface pour systeme de videoconference Download PDF

Info

Publication number
CA2338195C
CA2338195C CA002338195A CA2338195A CA2338195C CA 2338195 C CA2338195 C CA 2338195C CA 002338195 A CA002338195 A CA 002338195A CA 2338195 A CA2338195 A CA 2338195A CA 2338195 C CA2338195 C CA 2338195C
Authority
CA
Canada
Prior art keywords
video
circuit
input
data
memory
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
CA002338195A
Other languages
English (en)
Other versions
CA2338195A1 (fr
Inventor
Douglas L. Jewell
Paul D. Israelsen
David Perkes
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.)
Sorenson IP Holdings LLC
Original Assignee
Sorenson Vision 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 Sorenson Vision Inc filed Critical Sorenson Vision Inc
Publication of CA2338195A1 publication Critical patent/CA2338195A1/fr
Application granted granted Critical
Publication of CA2338195C publication Critical patent/CA2338195C/fr
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
    • H04N7/15—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
    • H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Facsimiles In General (AREA)
CA002338195A 1998-07-30 1999-07-27 Interface pour systeme de videoconference Expired - Lifetime CA2338195C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9464698P 1998-07-30 1998-07-30
US60/094,646 1998-07-30
PCT/US1999/016995 WO2000007371A1 (fr) 1998-07-30 1999-07-27 Interface pour systeme de videoconference

Publications (2)

Publication Number Publication Date
CA2338195A1 CA2338195A1 (fr) 2000-02-10
CA2338195C true CA2338195C (fr) 2008-11-04

Family

ID=22246341

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002338195A Expired - Lifetime CA2338195C (fr) 1998-07-30 1999-07-27 Interface pour systeme de videoconference

Country Status (7)

Country Link
EP (1) EP1116384A4 (fr)
JP (1) JP2002521979A (fr)
KR (1) KR20010072118A (fr)
AU (1) AU752570B2 (fr)
CA (1) CA2338195C (fr)
IL (2) IL141005A0 (fr)
WO (1) WO2000007371A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1402521A (zh) * 2001-08-10 2003-03-12 陆黛丽 一种万用通信系统
US8208005B2 (en) 2007-07-31 2012-06-26 Hewlett-Packard Development Company, L.P. System and method of determining the identity of a caller in a videoconferencing system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01252087A (ja) * 1988-03-31 1989-10-06 Toshiba Corp テレビ会議システムの画面表示方式
US5347305A (en) * 1990-02-21 1994-09-13 Alkanox Corporation Video telephone system
JPH05191802A (ja) * 1991-02-19 1993-07-30 Nippon Steel Corp 集積回路およびそれを使用した画像伝送方法
US5457780A (en) * 1991-04-17 1995-10-10 Shaw; Venson M. System for producing a video-instruction set utilizing a real-time frame differential bit map and microblock subimages
US5926208A (en) * 1992-02-19 1999-07-20 Noonen; Michael Video compression and decompression arrangement having reconfigurable camera and low-bandwidth transmission capability
FR2687884B1 (fr) * 1992-02-24 1994-04-08 Alcatel Cit Codec videc, notamment visiophonique.
US5612732A (en) * 1993-03-31 1997-03-18 Casio Computer Co., Ltd. Portable compact imaging and displaying apparatus with rotatable camera
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
US6236805B1 (en) * 1995-04-13 2001-05-22 Siemens Aktiengesellschaft Method and apparatus for storing, searching and playing back audiovisual information and data files
US5949474A (en) * 1997-12-31 1999-09-07 At&T Corp Videophone blocker

Also Published As

Publication number Publication date
AU5234699A (en) 2000-02-21
IL141005A (en) 2006-07-05
AU752570B2 (en) 2002-09-26
EP1116384A4 (fr) 2004-08-18
JP2002521979A (ja) 2002-07-16
EP1116384A1 (fr) 2001-07-18
CA2338195A1 (fr) 2000-02-10
WO2000007371A1 (fr) 2000-02-10
KR20010072118A (ko) 2001-07-31
IL141005A0 (en) 2002-02-10

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Effective date: 20190729