Teleconference system with image display and input means

Details Teleconference system with image display and input means Teleconference system with image display and input means

1988-11-09

1991-06-25

Ng, Jin F.

Facsimile and static presentation processing

Static presentation processing

Attribute control

379 53, 178 18, G08C 2100, H04N 715

Patent

active

050271989

ABSTRACT:
The invention provides a novel teleconference system which saves space being occupied by individual terminal equipment by superimposing a transparent image input surface of an image input device over a display screen of an image display device, and is provided with a central processing unit which causes the images being received by image input device of an individual terminal equipment to be displayed by image display devices of other individual terminal equipment, furthermore, allows operators to easily correct and add images shown on a display screen by making an input position of an image input surface coincide to a display position of an image display screen.

REFERENCES:
patent: 4293734 (1981-10-01), Pepper, Jr.
patent: 4564078 (1986-01-01), Enokido et al.
patent: 4620062 (1986-10-01), Mizzi et al.
patent: 4644101 (1987-02-01), Jin et al.
patent: 4794634 (1988-12-01), Tonhata et al.
Nippon Telegraph and Telephone Public Corporation (Japan), "Telewriting Terminal `Sketchphone`," E.C.L. Technical Publication No. 282, .COPYRGT.1983.

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