Collimated viewing device with off-axis spherical mirror for sim

Details Collimated viewing device with off-axis spherical mirror for sim Collimated viewing device with off-axis spherical mirror for sim

1991-11-21

1993-10-12

Henry, Jon W.

Optical: systems and elements

Mirror

Plural mirrors or reflecting surfaces

359471, 359859, 434 40, 434 44, G02B 1706, G02B 2306, G02B 908

Patent

active

052531163

ABSTRACT:
An apparatus for a visual display in a training simulator. A projector illuminates a convex side of a spherical screen. A concave face of a spherical mirror facing the convex side of the spherical screen reflects the image on the spherical screen to a viewer. A second embodiment projects an image on a first mirror. The projected image is reflected onto a convex portion of a spherical screen. The image on the convex portion of the spherical screen is reflected to a concave mirror facing the convex face of the screen. A viewer sees the projected image on the concave mirror. The first mirror and the second mirror can be formed as one mirror.

REFERENCES:
patent: 3190171 (1965-06-01), Reed
patent: 3574262 (1971-04-01), Bowker
patent: 3923370 (1975-12-01), Mostrom
patent: 4103435 (1978-08-01), Herndon
patent: 4348187 (1982-09-01), Dotsko

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