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

1998-10-20

Reinhart, Mark J.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

359311, 359285, B91J 247

Patent

active

058254005

ABSTRACT:
The present invention provides a method of ameliorating the effects of misalignment between modulator, and a system using the same. The individual modulator elements are positioned such that a portion of the image produced is generated by both elements. The contribution to the combined output made by each element varies across the overlapped region, with each element 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 output regions of the modulators 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: 4516838 (1985-05-01), Bademian

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