Presentation device

Details Presentation device Presentation device

2007-10-30

2007-10-30

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C345S156000, C345S173000, C345S179000

Reexamination Certificate

active

10774596

ABSTRACT:
A presentation device for generating a virtual screen used for performing a pointing operation, has a photographing section of which an angle of view can be adjusted by operating a zoom function and a pan-and-tilt mechanism, a monitor for a presenter, displaying an image photographed by the photographing section, and a control section. A mark for generating the virtual screen is set on a photographing range of the photographing section or the monitor, a virtual screen area having a predetermined size is set within the angle of view of the photographing section based on the mark, and the control section generates XY coordinates of the virtual screen on the virtual screen area.

REFERENCES:
patent: 7027041 (2006-04-01), Nishimura et al.
patent: A 2002-17184 (2002-01-01), None
patent: A 2003-108305 (2003-04-01), None

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