CA2200477A1 - Teleconferencing method and system - Google Patents

Teleconferencing method and system

Info

Publication number
CA2200477A1
CA2200477A1 CA002200477A CA2200477A CA2200477A1 CA 2200477 A1 CA2200477 A1 CA 2200477A1 CA 002200477 A CA002200477 A CA 002200477A CA 2200477 A CA2200477 A CA 2200477A CA 2200477 A1 CA2200477 A1 CA 2200477A1
Authority
CA
Canada
Prior art keywords
image
station
imaging system
signal
sub
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.)
Granted
Application number
CA002200477A
Other languages
French (fr)
Other versions
CA2200477C (en
Inventor
David 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
Individual
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 Individual filed Critical Individual
Publication of CA2200477A1 publication Critical patent/CA2200477A1/en
Application granted granted Critical
Publication of CA2200477C publication Critical patent/CA2200477C/en
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
    • 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

Abstract

A method and system (10) provides a face-to-face video conference utilizing a video mirror comprising a first station having a first predetermined sensory setting; a second station having a second predetermined sensory setting; and an imaging system for capturing an image or sub-image at the first station, displaying at least a portion of said image or sub-image at the second station. The imaging system includes a differentiator for generating a differential signal (101) in response to a comparison of a differential reference signal to an input signal generally corresponding to the image captured at the first station. The imaging system also include a compositor for compositing the differential signal with one or more other image signals and/or a predetermined composite signal to provide a composited video image (97) which appears visually contiguous and seamless.
CA002200477A 1994-09-19 1995-09-18 Teleconferencing method and system Expired - Fee Related CA2200477C (en)

Applications Claiming Priority (3)

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
US08/308,603 1994-09-19
PCT/US1995/011802 WO1996009722A1 (en) 1994-09-19 1995-09-18 Teleconferencing method and system

Publications (2)

Publication Number Publication Date
CA2200477A1 true CA2200477A1 (en) 1996-03-28
CA2200477C CA2200477C (en) 2005-02-08

Family

ID=23194627

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002200477A Expired - Fee Related CA2200477C (en) 1994-09-19 1995-09-18 Teleconferencing method and system

Country Status (9)

Country Link
US (7) US5572248A (en)
EP (2) EP0806115B1 (en)
JP (1) JPH10508990A (en)
KR (1) KR100403885B1 (en)
AT (2) ATE220838T1 (en)
AU (1) AU697578B2 (en)
CA (1) CA2200477C (en)
DE (2) DE69534660T2 (en)
WO (1) WO1996009722A1 (en)

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