Electronic image sensing and printing apparatus

Details Electronic image sensing and printing apparatus Electronic image sensing and printing apparatus

1985-02-08

1986-01-14

Goldberg, E. A.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

358302, 358293, 346108, G01D 942

Patent

active

045648530

ABSTRACT:
An electronic image printing apparatus of the type utilizing a laser addressed liquid crystal light valve includes a single set of XY scanning galvanometer mirrors which operate initially to line scan an original photograph in order to derive electronic image data therefrom. The XY scanning galvanometer mirrors subsequently operate to addressably line scan a laser beam which is modulated in response to the electronic image data, across the surface of the liquid crystal light valve and to thereafter reflect a beam of incoherent light from a projection lamp for transmission through the liquid crystal light valve to expose a photosensitive material and thereby reproduce the image previously line scanned from the original photograph.

REFERENCES:
patent: 4490608 (1985-12-01), Yeadon et al.
patent: 4535342 (1985-08-01), Ohara et al.
"A Semiconductor Laser Addressed Dye Doped Liquid Crystal Light Valve" by Tetsuo Urabe, Hiroya Usui, Kunihiko Arai, Akio Ohkoshi Development Center, Sony Corporation, Tokyo, see entire article.

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