Image projection system for dome surface

Details Image projection system for dome surface Image projection system for dome surface

1999-07-20

2000-11-07

Dowling, William

Optics: image projectors

Distortion compensation

353122, G03B 2114

Patent

active

061426350

ABSTRACT:
An image to be projected is deformed to obtain a projected image having small distortion. An image deforming device constituted by an optical fiber bundle is arranged in front of an original of a projector arranged at a position other than the center of a dome, so that the image of the original is transmitted from an end face on the incident side of an image correction device to an end face on the emission side as images divided into pixels using optical fibers as units. A secondary image subjected to predetermined deformation is displayed on the end face on the emission side, and the secondary image is projected on a dome surface to obtain a projected image which is free from distortion by the same manner as that performed when the original is projected from the center of the dome onto the same projection surface.

REFERENCES:
patent: 3695751 (1972-10-01), Watanuki
patent: 3904289 (1975-09-01), Yager
patent: 3998532 (1976-12-01), Dykes
patent: 4597633 (1986-07-01), Fussell
patent: 4656506 (1987-04-01), Ritchey
patent: 5762413 (1998-06-01), Culucci et al.

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