System and method for solid state illumination for DMD devices

Details System and method for solid state illumination for DMD devices System and method for solid state illumination for DMD devices

1990-12-31

1992-09-29

Moses, R. L.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

355229, 340782, G01D 1514

Patent

active

051517183

ABSTRACT:
There is disclosed an optic system for illuminating a DMD array in a xerographic printing process consisting of an array of LED emitters constructed to efficiently replace the conventional tungsten source used in prior art. The array can be geometrically configured or electrically operated by strobing or varying the brightness of individual pixels to compensate for other system optical deficiencies and results in improved printing process. By exposure strobing the LED source correction for fuzzy line edges can be achieved.

REFERENCES:
patent: 4907034 (1990-03-01), Doi et al.
patent: 5043716 (1991-08-01), Latz et al.

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