Interactive viewgraph system

Facsimile and static presentation processing – Facsimile – Recording apparatus

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Details

358102, 358236, 358296, 358347, 179 2TV, H04N 122

Patent

active

045034680

ABSTRACT:
At each of a pair of linked terminals, an image is generated at local and remote input devices. The generated image is projected onto a viewing screen and, while exhibited, further locally or remotely generated data is used to alter the generated image and, consequently, to alter the projected image. Data can, for example, be generated by means of a document scanner and a manually operated X-Y pen digitizer.

REFERENCES:
patent: Re28375 (1978-03-01), Maydan et al.
patent: 3936596 (1976-02-01), Inuiya
A. F. Higginbotham et al., "Teleconference Systems" I.B.M. Technical Disclosure Bulletin, vol. 22, No. 9, 2-80.
L. Kool, "The Scribophone: A Graphic Telecommunication System" Philips Telecommunication Review, vol. 38, No. 1, 1/80.

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