Collaborative markup projection system

Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel

Reexamination Certificate

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Details

C345S179000

Reexamination Certificate

active

07129934

ABSTRACT:
A system including a data projector and a plurality of touch-sensitive input tablets enables multiple participants to collaborate in the creation and marking up of a projected drawing or image. A data projector receives user markup data entered on various touch-sensitive tablets and projects the markup data onto a display surface as part of a collaborative drawing or image.

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