Electrooptical light shutter device and printer apparatus using

Details Electrooptical light shutter device and printer apparatus using Electrooptical light shutter device and printer apparatus using

1987-11-16

1989-12-12

Laroche, Eugene R.

350392, 350374, G02F 103

Patent

active

048871044

ABSTRACT:
An electrooptical light shutter device for use in an optical printer apparatus, comprising a number of shutter elements arrange in the form of at least one linear array, each of the shutter elements having an electrooptical effect, a polarizer disposed on a light-incoming side of the array of the shutter elements, and an analyzer disposed on a light-outgoing side of the array of the shutter elements, wherein the shutter elements have respective shutter windows through which light is to be passed selectively and the shutter windows are arranged to be overlapped by one another in a direction substantially perpendicular to the direction in which the shutter elements are arranged.

REFERENCES:
patent: 3806228 (1974-04-01), Imagawa et al.
patent: 4596992 (1986-06-01), Hornbeck
patent: 4607917 (1986-08-01), Ebner et al.
patent: 4707081 (1987-11-01), Mir
patent: 4722597 (1988-02-01), Takubo et al.
patent: 4765721 (1988-08-01), Agostinelli et al.
patent: 4766445 (1988-08-01), Springer

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