Image forming method and apparatus

This invention is directed to an image forming apparatus which forms a color image on the basis of image information and includes an image forming unit which forms a color reference image on an image forming member on the basis of reference image information for color correction, a colorimetric unit...

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Main Author Ichitani, Shuji
Format Patent
LanguageEnglish
Published 15.12.2009
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Abstract This invention is directed to an image forming apparatus which forms a color image on the basis of image information and includes an image forming unit which forms a color reference image on an image forming member on the basis of reference image information for color correction, a colorimetric unit which measures the color of the color reference image formed by the image forming unit and outputs color information, an image processing unit which generates a gray level correction table on the basis of the color information output from the colorimetric unit, and a control unit which corrects the image information on the basis of the gray level correction table generated by the image processing unit and controls the image forming unit so as to form a color image on the image forming member on the basis of the corrected image information, and an image forming method using the image forming apparatus.
AbstractList This invention is directed to an image forming apparatus which forms a color image on the basis of image information and includes an image forming unit which forms a color reference image on an image forming member on the basis of reference image information for color correction, a colorimetric unit which measures the color of the color reference image formed by the image forming unit and outputs color information, an image processing unit which generates a gray level correction table on the basis of the color information output from the colorimetric unit, and a control unit which corrects the image information on the basis of the gray level correction table generated by the image processing unit and controls the image forming unit so as to form a color image on the image forming member on the basis of the corrected image information, and an image forming method using the image forming apparatus.
Author Ichitani, Shuji
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References Shiratori (2004/0028421) 20040200
Sawano et al. (6411318) 20020600
Tezuka et al. (2003/0085941) 20030500
(9-284577) 19971000
Balasubramanian et al. (6441923) 20020800
(08-292616) 19961100
Tamagawa (6522778) 20030200
Hidaka (6344900) 20020200
(2000-338742) 20001200
Tezuka et al. (6853815) 20050200
Zuber (7027187) 20060400
Tsukada (6560358) 20030500
Gondek (5982990) 19991100
Nakamura (6556793) 20030400
Ohtsuka et al. (6026216) 20000200
Saito et al. (7365890) 20080400
(2001-144982) 20010500
(2002-287271) 20021000
Yamazaki (7097270) 20060800
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Snippet This invention is directed to an image forming apparatus which forms a color image on the basis of image information and includes an image forming unit which...
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