Image exposure apparatus and image exposure method

Details Image exposure apparatus and image exposure method Image exposure apparatus and image exposure method

1994-03-02

1995-05-16

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Identifying, composing, or selecting

355 66, 358471, G03B 2752, G03B 2770

Patent

active

054165610

ABSTRACT:
An image exposure apparatus and method generates a first optical image light and a second optical image light. The first optical image is input to a read side of a spatial light modulating element, and the second optical image light is input to a write side of the spatial light modulating element, so that the first optical image light is modulated by the second image light to be output from the read side again; and exposing the light sensitive material to the output image from the read side, that is the both images are combined, or the intensity of both image lights are modulated.

REFERENCES:
patent: 3934081 (1976-01-01), Schumacher
patent: 4422753 (1983-12-01), Pryor
patent: 4860061 (1989-08-01), Ikeda
patent: 5235437 (1993-08-01), Katagiri et al.
Japan Society for the Promotion of Science, "Handbook of Liquid Crystal Devices," Beam Address System, pp. 434-436 (1989); Takizawa, Kikuchi and Fujikake.
"Spatial Light Modulator Using a Light Scattering Liquid Crystal Complex", NHK Giken R & D, No. 12, pp. 11-12 (1992).
Okano and Kobayashi, "Liquid Crystal, Application," chap. 10, Photoconductive Liquid Crystal Display, pp. 223-228 (1985).

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