Presentation system, material presenting device, and...

Details Presentation system, material presenting device, and... Presentation system, material presenting device, and...

2007-02-13

2007-02-13

Awad, Amr A. (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

C345S157000, C345S158000, C345S179000, C345S180000, C353S042000, C348S744000

Reexamination Certificate

active

10431507

ABSTRACT:
A presentation system comprises a display for setting a virtual screen, a pointing mark for operating a point on the display, a photographing device for photographing the pointing mark and the display, a displaying device for displaying a predetermined image or the photographed image photographed by the photographing device, and a control device. The control device calculates coordinates of the pointing mark on coordinates of the virtual screen and has a pointing function for synthesizing a predetermined point image at coordinates of the image on the displaying device, which correspond to the coordinates of the pointing mark.

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