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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.
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公开(公告)号：US20190240995A1
公开(公告)日：2019-08-08
申请号：US16267279
申请日：2019-02-04
Applicant: KONICA MINOLTA, INC.
Inventor： Takanobu SHIKI , Masashi SUGANO , Takashi NARA
Abstract: A heating device includes rollers, a heating belt, a heater and a hardware processor. The heating belt is in partial contact with an image generation face of a recording medium and extends over the rollers and circulating in cooperation with the rollers. The heater heats the heating belt. The hardware processor modifies an area of contact between the recording medium and the heating belt. At least two rollers are disposed along a traveling direction of the heating belt and are urged to the recording medium with intermediation of the heating belt. The hardware processor modifies the area of the contact by modifying a distance between a first roller and a second roller among the at least two rollers, the first and second rollers being respectively disposed most upstream and most downstream in the travelling direction of the heating belt.
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Patent Agency Ranking
公开(公告)号：US20180129456A1
公开(公告)日：2018-05-10
申请号：US15790166
申请日：2017-10-23
Applicant: KONICA MINOLTA, INC.
Inventor： Akira OKAMOTO , Katsunori TAKAHASHI , Takashi NARA , Kenji YAMAMOTO
IPC: G06F3/12
CPC classification number: G06F3/1215 , G06F3/1241 , G06F3/1243 , G06F3/1244 , G06F3/1281
Abstract: An image forming system includes: a first image forming apparatus; and a second image forming apparatus connected on a downstream side of the first image forming apparatus in a paper conveying direction, wherein the first image forming apparatus includes: a first expander that expands a first image having image expansion time per page including first time; and a first image former that forms the first image expanded by the first expander, onto a first face of paper, and the second image forming apparatus includes: a second expander that expands a second image having image expansion time per page including second time longer than the first time; and a second image former that forms the second image expanded by the second expander, onto the first face on which the first image has been formed.
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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
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公开(公告)号：US20230375954A1
公开(公告)日：2023-11-23
申请号：US18306338
申请日：2023-04-25
Applicant: Konica Minolta, Inc.
Inventor： Shota IGO , Takashi NARA , Naoto SUGAYA , Kenji TAMAKI
CPC classification number: G03G15/0105 , G03G15/0189 , G03G15/0863 , G03G2215/00704 , G03G2215/047
Abstract: The image forming apparatus includes a crimping/release mechanism that switches between a crimping position where a transfer nip is formed and a release position where the intermediate transfer belt and the photosensitive drum are separated from each other, by moving at least one primary transfer section of a plurality of primary transfer sections provided facing a plurality of photosensitive drums respectively, and a processor that performs color misregistration adjustment when a combination of image forming units used for image formation is changed.
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公开(公告)号：US20170134617A1
公开(公告)日：2017-05-11
申请号：US15342630
申请日：2016-11-03
Applicant: Konica Minolta, Inc.
Inventor： Kenichi HAYASHI , Katsunori TAKAHASHI , Takashi NARA , Takahiro YOKOYA , Tatsuhiro NOUTOMI
CPC classification number: H04N1/6041 , H04N1/00803 , H04N1/6027 , H04N1/6044 , H04N1/646 , H04N2201/0094
Abstract: A reading apparatus configured to read a plurality of colorimetric patches in different colors formed on a paper sheet and trigger patches formed so as to correspond to the colorimetric patches includes: a colorimeter configured to read the colorimetric patches; a trigger sensor configured to read the trigger patches; and a controller configured to control a reading region, wherein the controller has a colorimetry region determination mode in which the reading region is determined and a colorimetry adjustment mode in which the reading region is controlled, and in the colorimetry region determination mode, after the reading regions are set to states where the reading regions are gradually shifted in a reading direction, the reading results for the colorimetric patches are collected and thereafter, a region for which a state consistent with a characteristic of the colorimetric patch has been obtained as the reading result is determined as the reading region.
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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
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。
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