JPS5761389A - Video communication system - Google Patents

Video communication system

Info

Publication number
JPS5761389A
JPS5761389A JP13597280A JP13597280A JPS5761389A JP S5761389 A JPS5761389 A JP S5761389A JP 13597280 A JP13597280 A JP 13597280A JP 13597280 A JP13597280 A JP 13597280A JP S5761389 A JPS5761389 A JP S5761389A
Authority
JP
Japan
Prior art keywords
video
attendants
hole
partner
screen
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.)
Pending
Application number
JP13597280A
Other languages
Japanese (ja)
Inventor
Sakae Okubo
Yoshibumi Sakasai
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP13597280A priority Critical patent/JPS5761389A/en
Publication of JPS5761389A publication Critical patent/JPS5761389A/en
Pending 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

Abstract

PURPOSE:To execute video pickup from the rear part of the screen by boring a hole on the boundary part through arranging two screens for display, and preventing the projected light part projecting to the hole part. CONSTITUTION:For example, in case of TV conference, video signals transmitted from the council room of the partner are projected on screen 4(4A, 4B) with excluding the part corresponding to hole 5(5A, 5B) on projector 8(8A, 8B) by blanking pulse formed blanking pulse generation circuit 9(9A, 9B). While, a video pickup device 1(1A, 1B) is installed on the rear side of the screen 4 and picks up attendants 10 through the hole 5. Since the attendants 10 see the video or drawing picture or the like of attendants of partner, the video picked up by the video pickup picture or the like of attendants of partner, the video picked up by the video pickup device 1 shows that the attendants 10 face toward the direction of said device 1.
JP13597280A 1980-09-30 1980-09-30 Video communication system Pending JPS5761389A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13597280A JPS5761389A (en) 1980-09-30 1980-09-30 Video communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13597280A JPS5761389A (en) 1980-09-30 1980-09-30 Video communication system

Publications (1)

Publication Number Publication Date
JPS5761389A true JPS5761389A (en) 1982-04-13

Family

ID=15164163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13597280A Pending JPS5761389A (en) 1980-09-30 1980-09-30 Video communication system

Country Status (1)

Country Link
JP (1) JPS5761389A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61181290A (en) * 1985-02-06 1986-08-13 Nec Corp Video separating circuit
JPS6251883U (en) * 1985-09-18 1987-03-31
WO2005013600A3 (en) * 2003-07-31 2006-04-13 Dreamworks Llc Virtual conference room

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55154886A (en) * 1979-05-23 1980-12-02 Nippon Telegr & Teleph Corp <Ntt> Picture communication system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55154886A (en) * 1979-05-23 1980-12-02 Nippon Telegr & Teleph Corp <Ntt> Picture communication system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61181290A (en) * 1985-02-06 1986-08-13 Nec Corp Video separating circuit
JPS6251883U (en) * 1985-09-18 1987-03-31
WO2005013600A3 (en) * 2003-07-31 2006-04-13 Dreamworks Llc Virtual conference room
US7119829B2 (en) * 2003-07-31 2006-10-10 Dreamworks Animation Llc Virtual conference room

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