Optical image generator having a spatial light modulator and a d

Details Optical image generator having a spatial light modulator and a d Optical image generator having a spatial light modulator and a d

1986-08-07

1989-04-04

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340784, 340713, 340781, 350345, 358236, G09G 300

Patent

active

048189839

ABSTRACT:
An optical image generator includes a spatial light modulator and a display device. The spatial light modulator contains a material whose optical property can be changed corresponding to a change in the image pattern of an electronic charge emitted from a photocathode, so that the image pattern can be written into the material. The display device contains a two-dimensional light emitting diode (LED) or a liquid crystal display of matrix type which is arranged against the photocathode of the spatial light modulator.

REFERENCES:
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patent: 4668071 (1987-05-01), Mayer
patent: 4678286 (1987-07-01), Hara
IBM Tech. Discl. Bull.; 9/75; vol. 28, No. 4; pp. 1664-1666; Light-Activated Liquid Crystal Light Valve for Projection Display.
Evert Lindberg, "Solid Crystal Modulates Light Beams", Electronics, Dec. 20, 1963, pp. 58-61.
Peter Nisenson et al., "Real Time Optical Processing with Bi.sub.12 SiO.sub.20 PROM", Applied Optics, vol. 11, No. 12, Dec. 1972, pp. 2760-2767.

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