Printing system for printing an image with lasers emitting diver

Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light

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Details

347243, 347241, B41J 2455

Patent

active

054754160

ABSTRACT:
A laser printing system includes plurality of N channel where each channels includes a laser diode forming a laser light beam which is shaped by a beam shaper to correct for divergence differences between the lasers of the N channels. The plurality of N output laser light beams from the plurality of N beam shapers are circular in cross-section, and are combined at a stop aperture in a stop plane with a predetermined angular separation. Various techniques are disclosed for combining the plurality of N output laser light beams. An optical system relays the combined plurality of N angularly separated output laser light beams at the stop plane to a light sensitive print medium to form a spot for each laser light beam. The spots are then scanned across the print medium to print a desired image. The optical system transforms the predetermined angular separations of the plurality of N laser light beams at the stop aperture into second predetermined angular separations at a rear stop image plane of the optical system. The second predetermined angular separations are less than the first predetermined angular separations by a magnification factor of the optical system.

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