Display devices

Details Display devices Display devices

1994-11-18

1995-10-10

Cuchlinski, Jr., William A.

Optics: image projectors

Relief illusion

353 30, 353 94, 359451, 359629, 359479, G03B 2100

Patent

active

054575087

ABSTRACT:
A display device includes a projector and a translucent hemispherical screen disposed in a black box, with the axis of the hemisphere extending perpendicular to a surface on which an image from the projector is cast. A semitransparent mirror is disposed on the opposite side of the image-receiving surface of the hemispherical screen, aslant to the axis of the hemisphere and opposite a viewer. The image of an spherical object projected on the hemispherical screen can be seen in stereoscopic spatial vision. The image viewed through the semitransparent mirror appears as if it was floating in space.

REFERENCES:
patent: 2299682 (1942-10-01), Conant
patent: 3317206 (1967-05-01), Holt
patent: 4736214 (1988-04-01), Rogers
patent: 4738522 (1988-04-01), Lunde et al.
patent: 5255028 (1993-10-01), Biles
patent: 5276524 (1994-01-01), Inoue et al.

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