Method and apparatus for ameliorating the effects of misalignmen

Details Method and apparatus for ameliorating the effects of misalignmen Method and apparatus for ameliorating the effects of misalignmen

1995-06-07

1998-05-26

Reinhart, Mark

Incremental printing of symbolic information

Light or beam marking apparatus or processes

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B41J 247

Patent

active

057574111

ABSTRACT:
The present invention provides a method of ameliorating the effects of misalignment between modulator arrays, and a system using the same. The individual arrays are positioned such that a portion of the image produced by the arrays is generated by both arrays. The contribution to the combined output made by each array varies across the overlapped region, with each array making a small contribution to the pixels in the overlapped region at one end and a large contribution to pixels in the overlapped region at the other end. Because the overlapping portions of the modulator arrays collectively form a portion of the image, any alignment error is effectively spread over the entire overlapped region and is much less noticeable.

REFERENCES:
patent: 4951064 (1990-08-01), Kun et al.
patent: 5006704 (1991-04-01), Mochizuki et al.

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