Method and apparatus for correcting a color registration error

Details Method and apparatus for correcting a color registration error Method and apparatus for correcting a color registration error

1994-03-28

1996-06-04

Pendegrass, Joan H.

Photocopying

Contact printing

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355271, 347116, G03G 1500, G03G 1501

Patent

active

055238238

ABSTRACT:
A registration error detection pattern parallel to a slow scanning direction of colors are detected by pattern detecting unit, and a color registration error is corrected so that the pattern of all colors arrive at a predetermined position of the pattern detecting unit, in order to show a color registration misalignment correction method and apparatus not affected by a magnification error of pattern detecting unit or the like and provide a color registration error detection method and apparatus whereby color registration misalignment correction accuracy can be improved.

REFERENCES:
patent: 4528630 (1985-07-01), Sargent
patent: 5287162 (1994-02-01), de Jong et al.
patent: 5373355 (1994-12-01), Ando et al.
patent: 5457518 (1995-10-01), Ashikaga et al.

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