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公开(公告)号：US10682868B2
公开(公告)日：2020-06-16
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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公开(公告)号：US10191696B2
公开(公告)日：2019-01-29
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
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：US12197142B2
公开(公告)日：2025-01-14
申请号：US18306338
申请日：2023-04-25
Applicant: Konica Minolta, Inc.
Inventor： Shota Igo , Takashi Nara , Naoto Sugaya , Kenji Tamaki
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：US11947298B2
公开(公告)日：2024-04-02
申请号：US17983139
申请日：2022-11-08
Applicant: Konica Minolta, Inc.
Inventor： Satoshi Ogata , Atsushi Yamaguchi , Kenji Yamamoto , Takashi Nara
IPC: G03G15/00
CPC classification number: G03G15/5062 , G03G15/6529 , G03G15/5029
Abstract: A recording material conveying device includes: a first conveyor that constitutes a conveyance path of a recording material; a second conveyor that branches from the first conveyor and constitutes a conveyance path of the recording material different from the conveyance path of the first conveyor; and a detector that detects recording material characteristics of the recording material, the detector being arranged in the second conveyor on a downstream side in a conveyance direction of the recording material with respect to a branch portion where the first conveyor and the second conveyor branch.
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公开(公告)号：US10165141B2
公开(公告)日：2018-12-25
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
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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Patent Agency Ranking
6.发明申请TEMPERATURE-MEASURING DEVICE THAT MEASURES TEMPERATURE OF SHEET, AND IMAGE-FORMING APPARATUS USING THE SAME 有权使用其温度测量的温度测量装置和使用其的图像形成装置公开(公告)号：US20160231670A1
公开(公告)日：2016-08-11
申请号：US15040455
申请日：2016-02-10
Applicant: Konica Minolta, Inc.
Inventor： Katsunori Takahashi , Kenichi Hayashi , Takashi Nara , Tatsuhiro Noutomi , Hiroyuki Futami
CPC classification number: G03G15/2039 , G01J3/524 , G01J5/02 , G01J5/026 , G01J5/061 , G01J5/12 , G01J2005/0029 , G01J2005/068 , G03G15/2017 , G03G15/5062 , G03G2215/00772 , G03G2215/0135
Abstract: An image-forming apparatus contains a control portion, a thermopile sensor, a temperature sensor, a fan, a heater, a guide plate temperature detection sensor, an external air temperature detection sensor, a fixing temperature detection sensor and the color sensor. The control portion calculates estimated sheet temperature of the conveying sheet using information such as guide plate temperature, external air temperature, fixing temperature and paper weight. The control portion controls the fan or the heater to drive so that sensor temperature of the thermopile sensor approaches the estimated sheet temperature of the sheet. The control portion controls the thermopile sensor to carry out a measurement of the temperature of the sheet when the sensor temperature falls within a set range in relation to the estimated sheet temperature.
Abstract translation: 图像形成装置包括控制部分，热电堆传感器，温度传感器，风扇，加热器，引导板温度检测传感器，外部空气温度检测传感器，定影温度检测传感器和颜色传感器。 控制部使用引导板温度，外部空气温度，定影温度和纸张重量等信息来计算输送片材的纸张温度。 控制部分控制风扇或加热器驱动，使得热电堆传感器的传感器温度接近纸张的估计纸张温度。 当传感器温度相对于估计的纸张温度落在设定范围内时，控制部分控制热电堆传感器执行纸张的温度的测量。
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公开(公告)号：US09838568B2
公开(公告)日：2017-12-05
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.
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8.发明授权Temperature-measuring device that measures temperature of sheet, and image-forming apparatus using the same 有权测量片材温度的温度测量装置，以及使用其的成像装置公开(公告)号：US09477187B2
公开(公告)日：2016-10-25
申请号：US15040455
申请日：2016-02-10
Applicant: Konica Minolta, Inc.
Inventor： Katsunori Takahashi , Kenichi Hayashi , Takashi Nara , Tatsuhiro Noutomi , Hiroyuki Futami
CPC classification number: G03G15/2039 , G01J3/524 , G01J5/02 , G01J5/026 , G01J5/061 , G01J5/12 , G01J2005/0029 , G01J2005/068 , G03G15/2017 , G03G15/5062 , G03G2215/00772 , G03G2215/0135
Abstract: An image-forming apparatus contains a control portion, a thermopile sensor, a temperature sensor, a fan, a heater, a guide plate temperature detection sensor, an external air temperature detection sensor, a fixing temperature detection sensor and the color sensor. The control portion calculates estimated sheet temperature of the conveying sheet using information such as guide plate temperature, external air temperature, fixing temperature and paper weight. The control portion controls the fan or the heater to drive so that sensor temperature of the thermopile sensor approaches the estimated sheet temperature of the sheet. The control portion controls the thermopile sensor to carry out a measurement of the temperature of the sheet when the sensor temperature falls within a set range in relation to the estimated sheet temperature.
Abstract translation: 图像形成装置包括控制部分，热电堆传感器，温度传感器，风扇，加热器，引导板温度检测传感器，外部空气温度检测传感器，定影温度检测传感器和颜色传感器。 控制部使用引导板温度，外部空气温度，定影温度和纸张重量等信息来计算输送片材的纸张温度。 控制部分控制风扇或加热器驱动，使得热电堆传感器的传感器温度接近纸张的估计纸张温度。 当传感器温度相对于估计的纸张温度落在设定范围内时，控制部分控制热电堆传感器执行纸张的温度的测量。
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9.发明授权公开(公告)号：US10469711B2
公开(公告)日：2019-11-05
申请号：US15177515
申请日：2016-06-09
Applicant: KONICA MINOLTA, INC.
Inventor： Kenichi Hayashi , Hiroyuki Futami , Katsunori Takahashi , Takashi Nara , Tatsuhiro Noutomi
Abstract: A colorimetric device includes: a feeding unit configured to feed a transfer medium; a colorimeter configured to perform colorimetry of an image that is formed on the transfer medium and that has a color boundary in a feeding direction; and a colorimetry control unit configured to control the feeding unit and the colorimeter, wherein the colorimetry control unit acquires color information related to the color boundary of the image and determines the color boundary of the image based on the color information and a result of the colorimetry performed by the colorimeter.
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公开(公告)号：US09964902B2
公开(公告)日：2018-05-08
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
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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