公开(公告)号：US20150286175A1

公开(公告)日：2015-10-08

申请号：US14674987

申请日：2015-03-31

Applicant: KONICA MINOLTA, INC.

Inventor： Akira OKAMOTO ,  Kenji YAMAMOTO ,  Keigo OGURA ,  Takahiro YOKOYA ,  Hiroyuki FUTAMI

IPC: G03G15/20

CPC classification number: G03G15/2039 ,  G03G15/2042

Abstract: A fixing device includes a roller, a plurality of heaters, a temperature detection unit, and a control unit, wherein when the temperature detection unit detects that the temperature of longitudinal end portions of the roller is lower than a preset reference temperature, the control unit performs full-lighting control on the heater with the largest amount of heat supply to the end portions of the roller, out of the plurality of heaters, and performs lighting control on the heater with the second largest amount of heat supply to the end portions of the roller in a pattern at a predetermined duty ratio, or performs lighting control on the heater with the largest amount of heat supply to the end portions of the roller in a pattern at a predetermined duty ratio, and turns off the heater with the second largest amount of heat supply to the end portions of the roller.

Abstract translation: 定影装置包括辊，多个加热器，温度检测单元和控制单元，其中当温度检测单元检测到辊的纵向端部的温度低于预设的参考温度时，控制单元 对多个加热器中的辊的端部供热量最大的加热器执行全光照明控制，并且对加热器进行第二最大热量的点亮控制 辊子以预定的占空比形成图案，或者以预定的占空比以图案的方式对辊的端部以最大的热量供给的加热器进行照明控制，并且关闭具有第二大的加热器 对辊的端部的供热量。

公开(公告)号：US20170104884A1

公开(公告)日：2017-04-13

申请号：US15282775

申请日：2016-09-30

Applicant: KONICA MINOLTA, INC.

Inventor： Kenichi HAYASHI ,  Hiroyuki FUTAMI ,  Katsunori TAKAHASHI ,  Takashi NARA ,  Tatsuhiro NOUTOMI

IPC: H04N1/00

CPC classification number: H04N1/00816 ,  H04N1/00819 ,  H04N2201/0094

Abstract: An image forming apparatus includes: an image forming section that forms an image; and an image forming control section that acquires information on a detection result of the image by a first image detecting section which has relatively higher failure detection accuracy than that of a second image detecting section, and information on a detection result of the image by the second image detecting section which has relatively higher color measurement accuracy than that of the first image detecting section, wherein the image forming control section acquires second image detection information in a region that has been detected by the second image detecting section and in which an exclusion detection region has been removed, based on the exclusion detection region that has been determined to contain a failure in the image, by first image detection information based on the detection result of the first image detecting section.

公开(公告)号：US20160269598A1

公开(公告)日：2016-09-15

申请号：US15051113

申请日：2016-02-23

Applicant: KONICA MINOLTA, INC.

Inventor： Kenichi HAYASHI ,  Hiroyuki FUTAMI ,  Katsunori TAKAHASHI ,  Takashi NARA ,  Tatsuhiro NOUTOMI

IPC: H04N1/60 ,  H04N1/00

CPC classification number: H04N1/6036 ,  H04N1/00005 ,  H04N1/00018 ,  H04N1/00023 ,  H04N1/00034 ,  H04N1/00045 ,  H04N1/00058 ,  H04N1/00087 ,  H04N1/6044

Abstract: An image reading apparatus and an image forming system are provided which can reduce the influence of magnification error, detect patches in correct positions, and save the sheets required for adjusting an image. The image reading apparatus makes use of an image scanner which reads patches printed on a sheet P, a spectral colorimeter which colorimetrically measures the patches read by the image scanner, and is provided with a timing compensation unit which compensates the colorimetric measurement timing with which colorimetric operation of the spectral colorimeter is triggered based on the positional information of the patches read by the image scanner, and an image correction unit which corrects the color information of the patches read by the image scanner based on the colorimetric values of the patches colorimetrically measured by the spectral colorimeter.

Abstract translation: 提供一种图像读取装置和图像形成系统，其可以减小放大误差的影响，检测补片在正确的位置，并且保存调整图像所需的片材。 图像读取装置利用读取印刷在纸张P上的贴片的图像扫描仪，色度测量由图像扫描仪读取的贴片的光谱色度计，并且设置有定时补偿单元，该定时补偿单元补偿比色测量定时， 基于由图像扫描器读取的贴片的位置信息触发光谱色度计的操作，以及图像校正单元，其基于由比色测量的贴片的比色值来校正由图像扫描器读取的贴片的颜色信息， 光谱色度计。

公开(公告)号：US20170097596A1

公开(公告)日：2017-04-06

申请号：US15264698

申请日：2016-09-14

Applicant: Konica Minolta, Inc.

Inventor： Tatsuhiro NOUTOMI ,  Hiroyuki FUTAMI ,  Katsunori TAKAHASHI ,  Kenichi HAYASHI ,  Takashi NARA

IPC: G03G15/20

CPC classification number: G03G15/2039 ,  G03G15/2007 ,  G03G15/2042

Abstract: A fixing device includes: a fixing member; a pressure member pressed against the fixing member; a plurality of halogen lamp heaters configured to heat the fixing member; a temperature detecting unit configured to detect a temperature of the fixing member; and a control unit configured to perform half-wave control on at least one first halogen lamp heater by calculating an output Duty and performing energization or de-energization for each half-wave of an AC waveform, and perform switch on/off control on a second halogen lamp heater, the second halogen lamp heater being other than the first halogen lamp heater, wherein the first halogen lamp heater and the second halogen lamp heater have reference voltages satisfying the reference voltage of the first halogen lamp heater