Teleconferencing graphics apparatus and system

Details Teleconferencing graphics apparatus and system Teleconferencing graphics apparatus and system

1984-06-13

1986-09-02

Dwyer, James L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

179 18BC, 358296, H04N 122

Patent

active

046097791

ABSTRACT:
A teleconferencing audio-graphics system using control signals transmitted by a transmitting station to control the operation of an overhead transparency projector and a motor driven roll mechanism that moves the transparency graphic copy output provided by a graphics copy output device over the transparency receiving platen of the projector. The graphics copy output device provide the transparency copy output in response to electronic input signals received from the transmitting station.

REFERENCES:
patent: Re28375 (1975-03-01), Maydan et al.
patent: 3051044 (1962-08-01), McNaney
patent: 3870410 (1975-03-01), Abe
patent: 4475189 (1984-10-01), Herr et al.
patent: 4503468 (1985-03-01), Serinken et al.

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