Electrophotographic printer with light micro-shutters

Details Electrophotographic printer with light micro-shutters Electrophotographic printer with light micro-shutters

1986-09-03

1988-08-09

Grimley, Arthur T.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

355 3R, G01D 1514, G03G 1504

Patent

active

047631422

ABSTRACT:
An image forming apparatus has a light source, and one or more liquid crystal units for forming a latent image on the photosensitive drum by controlling the passage of the light from the light source between the light source and the drum. The liquid crystal units have a plurality of shutter arrays arranged with a plurality of microshutters. The microshutter has a miniature region for controlling the passage of the light, and the regions are different at every microshutter for forming the individual shutter arrays.

REFERENCES:
patent: 3049968 (1962-08-01), Johanson
patent: 3936172 (1976-02-01), McVeigh
patent: 3967894 (1976-07-01), Tsilibes
patent: 4297022 (1981-10-01), Lester
patent: 4386836 (1983-06-01), Aoki et al.

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