Electrophotography – Image formation – Transfer
Reexamination Certificate
2005-10-18
2009-08-25
Gray, David M (Department: 2852)
Electrophotography
Image formation
Transfer
C399S072000, C399S372000
Reexamination Certificate
active
07580661
ABSTRACT:
An image formation device has an image formation section, a pattern image detection section and a registration correction section. The image formation section forms an image to be outputted and a pattern image on an image-bearing body, the pattern image is formed at a non-image creation region outside an image creation region at which the outputted image is formed. The pattern image detection section detects a position of the pattern image for detecting positional offset of the image. The registration correction section corrects the positional offset based on the detected position of the pattern image.
REFERENCES:
patent: 6456310 (2002-09-01), Wallace et al.
Fuji 'Xerox Co., Ltd.
Gray David M
Oliff & Berridg,e PLC
Walsh Ryan D
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