Video image printer using liquid crystal light valves and primar

Details Video image printer using liquid crystal light valves and primar Video image printer using liquid crystal light valves and primar

1990-04-26

1991-07-16

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358302, G03F 310, H04N 123

Patent

active

050329111

ABSTRACT:
A video image printer is coupled to a video signal source such as a video camera, an electronic still camera, a video tape recorder, a television receiver, or the like, for producing a hard copy bearing a recorded image which is displayed by on a monitor display. The video image printer includes a liquid crystal light valve with a liquid crystal orientation thereof variable depending on an applied video signal, color filters mounted on one end of the liquid crystal light valve, and a light source optically coupled to the one end of the liquid crystal light valve. A photographic film is disposed on the side of an opposite end of the liquid crystal light valve, the film carrying a self-processing solution. The film is selectively exposed to an image that is formed by light from the light source through the color filter means and the liquid crystal light valve controlled by the applied video signal. The video image printer also includes a pair of squeezing rollers for spreading the processing solution over the film which has been exposed.

REFERENCES:
patent: 4595259 (1986-06-01), Perregaux
patent: 4605972 (1986-08-01), Hatanaka
patent: 4712878 (1987-12-01), Taniguchi et al.
patent: 4745433 (1988-05-01), Fujimura et al.
patent: 4839676 (1989-06-01), Lippert et al.
patent: 4859034 (1989-08-01), Shiraishi et al.

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