Device for forming images on a large surface and simulator equip

Details Device for forming images on a large surface and simulator equip Device for forming images on a large surface and simulator equip

1991-05-30

1992-09-29

Miller, Stanley D.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 36, 359 61, 359 84, G02F 113

Patent

active

051518023

ABSTRACT:
A simulator comprises a dome on which are formed synthesized large-field images, the image-forming surface of the dome being "active", i.e., it is not used as a projection screen, but the images are formed directly by "cells". As a result of this arrangement, successive portions of the spherical surface, which are dark in the absence of excitation, make it possible to increase the contrast of the images obtained. According to one embodiment, these cells comprise encapsulated liquid crystals.

REFERENCES:
patent: 4693560 (1987-09-01), Wiley
patent: 4732456 (1988-03-01), Fergason et al.
patent: 4806922 (1989-02-01), McLaughlin et al.
Shimazaki et al., New Technology, "Sophisticated Visual Display Now Possible with Flight Simulator", Journal of Elec. Engineering, vol. 18, No. 180, 1981.

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