Liquid crystal optical printing apparatus

Details Liquid crystal optical printing apparatus Liquid crystal optical printing apparatus

1986-05-09

1989-08-22

Miller, Stanley D.

Photocopying

Contact printing

Light boxes

350346, 350 9627, 355 1, 358296, 346108, G02F 113, G03B 2700, G01D 942

Patent

active

048590347

ABSTRACT:
The optical printing apparatus comprises a fluorescent lamp light source and a means for concentrating light from the light source onto a liquid crystal panel. The liquid crystal panel includes a plurality of light valves disposed in rows. A driver is disposed on the outside of the shield plate for selectively opening and closing the light valves. Rows of self-focusing fiber lenses receive light from the light valves and direct the light onto a photosensitive drum for use in printing.

REFERENCES:
patent: 3982829 (1976-09-01), Hirth
patent: 4154500 (1979-05-01), Funato et al.
patent: 4264130 (1981-04-01), Ogura
patent: 4297022 (1981-10-01), Lester
patent: 4331380 (1982-05-01), Rees et al.
patent: 4349248 (1982-09-01), Rees
patent: 4373780 (1983-02-01), Lama
patent: 4386836 (1983-06-01), Aoki et al.
patent: 4435064 (1984-03-01), Tsukada et al.
patent: 4480257 (1984-10-01), Hill
patent: 4589732 (1986-05-01), Shiraishi et al.
patent: 4727380 (1988-02-01), Miura et al.

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