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Image forming apparatus

A technology of images and image data, applied in the field of image forming devices, can solve problems such as inability to monitor

Active Publication Date: 2017-08-15
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this Patent Document 1, there is a problem that monitoring cannot be performed without a flat area having a certain width.
In addition, there is a problem that only the color change of the area group used for the above-mentioned monitoring can be observed, and only the color that meets the conditions can be dealt with.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0126] [Other embodiment (1)]

[0127] in the above figure 1 The illustrated image forming apparatus 100 shows a state in which the printer controller 110 is incorporated, but is not limited thereto. That is, a configuration may be adopted in which the printer controller 110 exists outside the image forming apparatus 100 and the image forming apparatus 100 receives the RIP-processed image forming image data from the outside.

[0128] [Other embodiment (2)]

[0129] In the image forming apparatus 100 described above, an example in which the printer controller 110 and the monitor setting unit 115 are separated is shown, but the present invention is not limited thereto. Both the printer controller 110 and the monitor setting unit 115 refer to the original image data, so the printer controller 110 may include the monitor setting unit 115 .

[0130] [Other embodiment (3)]

[0131] The image forming apparatus 100 described above has shown a configuration in which the color tone ...

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Abstract

An object of the present invention is to provide an image forming apparatus that is not affected by a shortage of the data to be monitored or the like, and can monitor a hue difference without the use of a color patch or the like. The image forming apparatus comprises a storage part, a monitoring setting part, and a color tone monitoring part. The storage part is used to store image data used for the forming of the image by the image forming part on a piece of paper and reading image data generated by a reading part reading the image formed on the paper by the image forming part. The monitoring setting part is used to set the monitoring setting color during the monitoring of the hue difference between the corresponding positions of the image data used for the image forming and the reading image data and is used to set the ideal value of the monitoring setting color. The hue monitoring part is used to monitor the hue difference between the value of the reading image data of the monitoring setting color and the ideal value on the corresponding positions of the image data used for the image forming and the reading image data.

Description

technical field [0001] The present invention relates to an image forming apparatus that monitors color tone during image formation. Background technique [0002] There is an image forming apparatus in which a reading unit including an inline sensor (Inline Sensor) or the like is connected downstream of an image forming unit that forms an image on a sheet, and reads an image on the sheet after image formation. In addition, there is an image forming system in which a reading device (output product reading device) is connected downstream of an image forming device that forms an image on a sheet, and the image on the sheet after image formation is read by the reading device. . [0003] In such an image forming apparatus or an image forming system, by periodically forming a predetermined patch image (image for correction) on a sheet and reading the patch image on the sheet, it is possible to detect the error of the image forming apparatus. The color changes (difference in tone)...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/60B41J29/393
CPCB41J29/393H04N1/603H04N1/6075H04N1/6036H04N1/6038H04N1/00023H04N1/00042H04N1/00087H04N1/40062H04N1/4072H04N1/6008H04N1/6044H04N2201/0082
Inventor 正尺宏树
Owner KONICA MINOLTA INC
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