Image forming apparatus and non-transitory computer readable medium storing program

US2016379099A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2016379099-A1
Application numberUS-201514933791-A
CountryUS
Kind codeA1
Filing dateNov 5, 2015
Priority dateJun 24, 2015
Publication dateDec 29, 2016
Grant date

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Provided is an image forming apparatus including an image forming section that periodically forms a color calibration image which is used for color adjustment along with an image on a recording material, a color information obtaining section that periodically obtains color information of the color calibration image which is formed on the recording material before color adjustment which is periodically performed, and a color adjusting section that, based on plural pieces of the color information that is obtained by the color information obtaining section, performs color adjustment on an image formed by the image forming section such that a difference between a color of an image which is supposed to be output and a color of an image which is output is reduced by a next color adjustment.

First claim

Opening claim text (preview).

What is claimed is: 1 . An image forming apparatus comprising: an image forming section that periodically forms a color calibration image which is used for color adjustment along with an image on a recording material; a color information obtaining section that periodically obtains color information of the color calibration image which is formed on the recording material before color adjustment which is periodically performed; and a color adjusting section that, based on a plurality of pieces of the color information that is obtained by the color information obtaining section, performs color adjustment on an image formed by the image forming section such that a difference between a color of an image which is supposed to be output and a color of an image which is output is reduced by a next color adjustment. 2 . The image forming apparatus according to claim 1 , wherein the color adjusting section performs color adjustment with using color information that is obtained by the color information obtaining section and previous color information that corresponds to the color information. 3 . The image forming apparatus according to claim 1 , wherein the color adjusting section calculates a first correction value based on a shift from a reference value based on color information that is obtained by the color information obtaining section, calculates a second correction value based on previous color information that corresponds to the color information, and performs color adjustment based on the first correction value and the second correction value. 4 . The image forming apparatus according to claim 1 , wherein the color adjusting section performs color adjustment on an image with a value that is smaller than a predetermined value in a stepwise manner when a difference between the color of an image formed by the image forming section before color adjustment and the color of an image formed after color adjustment exceeds a predetermined value. 5 . The image forming apparatus according to claim 2 , wherein the color adjusting section performs color adjustment on an image with a value that is smaller than a predetermined value in a stepwise manner when a difference between the color of an image formed by the image forming section before color adjustment and the color of an image formed after color adjustment exceeds a predetermined value. 6 . The image forming apparatus according to claim 3 , wherein the color adjusting section performs color adjustment on an image with a value that is smaller than a predetermined value in a stepwise manner when a difference between the color of an image formed by the image forming section before color adjustment and the color of an image formed after color adjustment exceeds a predetermined value. 7 . A non-transitory computer readable medium storing a program causing a computer to execute a process for image formation, the process comprising: image forming that periodically forms a color calibration image which is used for color adjustment along with an image on a recording material; color information obtaining that periodically obtains color information of the color calibration image which is formed on the recording material before color adjustment which is periodically performed; and color adjusting that, based on a plurality of pieces of the color information that is obtained by the color information obtaining, performs color adjustment on an image formed by the image forming such that a difference between a color of an image which is supposed to be output and a color of an image which is output is reduced by a next color adjustment.

Assignees

Inventors

Classifications

  • automatically on a periodic basis · CPC title

  • Adjusting colours (image colour correction or control for documents in general H04N1/60) · CPC title

  • by electrographic printing, e.g. xerography; by magnetographic printing {(G06K15/12 takes precedence)} · CPC title

  • using ink jet print heads · CPC title

  • Setting or calibrating (picture signal circuits H04N1/40) · CPC title

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What does patent US2016379099A1 cover?
Provided is an image forming apparatus including an image forming section that periodically forms a color calibration image which is used for color adjustment along with an image on a recording material, a color information obtaining section that periodically obtains color information of the color calibration image which is formed on the recording material before color adjustment which is perio…
Who is the assignee on this patent?
Fuji Xerox Co Ltd
What technology area does this patent fall under?
Primary CPC classification G06K15/1878. Mapped technology areas include Physics.
When was this patent published?
Publication date Thu Dec 29 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).