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1.发明申请公开(公告)号：US20180136582A1
公开(公告)日：2018-05-17
申请号：US15798771
申请日：2017-10-31
Applicant: Konica Minolta, Inc.
Inventor： Hiroyuki SAITO , Tetsuya ISHIKAWA , Tomohiro KAWASAKI , Tatsuya FURUTA , Ryoei IKARI , Aiko KUBOTA
IPC: G03G15/08
Abstract: An image forming apparatus includes: an image former that forms a toner image based on input image information by superposing toners of plural colors on a recording material; a fixer that fixes the toner image formed on the recording material; a toner amount calculator that calculates, from the input image information, an amount of toners to be superposed on the recording material; and a hardware processor that controls the image former to supply an assistance toner that assists melting of the toners used for forming the toner image based on the input image information by an amount corresponding to the calculated amount of toners.
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公开(公告)号：US20190163094A1
公开(公告)日：2019-05-30
申请号：US16197895
申请日：2018-11-21
Applicant: KONICA MINOLTA, INC.
Inventor： Kazuteru ISHIZUKA , Hiroyuki SAITO , Shunichi TAKAYA , Kei OKAMURA , Aiko KUBOTA
Abstract: There is provided a developing device for developing an electrostatic latent image formed on a photoreceptor with a developer to form an image, including: a developing container that contains the developer; and a developing roller that faces the photoreceptor, is arranged adjacent to the developing container, and conveys the developer contained in the developing container to the photoreceptor, wherein the developing roller includes a magnetic pole forming part to be formed with a plurality of magnetic poles along a circumferential direction of the developing roller, at least a catch pole is formed as one of the plurality of magnetic poles, and in the catch pole, an amount of a total magnetic charge in an axial direction of the developing roller is kept constant, and a part of magnetic flux density distribution is different from another part of magnetic flux density distribution along the axial direction of the developing roller.
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Patent Agency Ranking
3.发明申请公开(公告)号：US20190212671A1
公开(公告)日：2019-07-11
申请号：US16204707
申请日：2018-11-29
Applicant: Konica Minolta, Inc.
Inventor： Aiko KUBOTA , Hiroyuki SAITO , Shunichi TAKAYA , Kazuteru ISHIZUKA , Kei OKAMURA
IPC: G03G15/08
Abstract: An image forming apparatus includes: a developer casing that accommodates a developer; an developer detector that is disposed in the developer casing, and that detects, based on magnetic force, the developer from a plurality of detection ranges that is close to each other and is disposed side by side in a vertical direction in the developer casing; and a hardware processor that performs control of detecting a liquid level position of the developer in the developer casing, based on a detection result detected by the developer detector.
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公开(公告)号：US20190332034A1
公开(公告)日：2019-10-31
申请号：US16376308
申请日：2019-04-05
Applicant: KONICA MINOLTA, INC.
Inventor： Kei OKAMURA , Hiroyuki SAITO , Shunichi TAKAYA , Kazuteru ISHIZUKA , Aiko KUBOTA
IPC: G03G15/08
Abstract: A developing apparatus includes: a developer carrying body that carries a developer and is rotationally driven; a developer stirring member that is rotationally driven and thereby stirs the developer and conveys the developer to the developer carrying body; and a developer recovery member that is rotationally driven and thereby returns and recovers the developer stripped from the developer carrying body after development of the electrostatic latent image, to the developer stirring member, wherein a driving speed of the developer stirring member and a driving speed of the developer recovery member are independently controllable from each other.
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5.发明申请公开(公告)号：US20180113401A1
公开(公告)日：2018-04-26
申请号：US15728776
申请日：2017-10-10
Applicant: KONICA MINOLTA, INC.
Inventor： Tomohiro KAWASAKI , Tetsuya ISHIKAWA , Hiroyuki SAITO , Ryoei IKARI , Tatsuya FURUTA , Aiko KUBOTA
CPC classification number: G03G15/104 , G03G15/2003 , G03G15/2053 , G03G15/6585 , G03G15/6591
Abstract: An image forming apparatus includes: an image former that forms on a recording material a toner image based on input image information; a fixer that fixes a toner image formed on the recording material; and a hardware processor that controls the image former and the fixer in which the hardware processor controls the image former to supply, to a region where no toner is provided between toner images based on the input image information, complementing toner having a thermal conductivity higher than a thermal conductivity of toner for forming the toner image based on input image information.
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公开(公告)号：US20190049878A1
公开(公告)日：2019-02-14
申请号：US16103299
申请日：2018-08-14
Applicant: KONICA MINOLTA, INC.
Inventor： Tatsuya FURUTA , Tetsuya ISHIKAWA , Hiroyuki SAITO , Tomohiro KAWASAKI , Ryoei IKARI , Aiko KUBOTA
Abstract: A developing device includes: an image bearing member; a plurality of developing rollers each supplying toner to the image bearing member, and developing an electrostatic latent image on the image bearing member into a toner image; and a hardware processor analyzing values representing density fluctuations during the toner being supplied from the developing rollers to the image bearing member, for the respective developing rollers, and correcting a control value for an image density of at least one developing roller among the developing rollers based on an result of the analyzing so as to eliminate the density fluctuations, in consideration of an effect caused at the developing roller on a downstream side in a rotational direction of the image bearing member by correcting the control value for the image density of the developing roller on an upstream side.
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公开(公告)号：US20160337529A1
公开(公告)日：2016-11-17
申请号：US15141920
申请日：2016-04-29
Applicant: Konica Minolta, Inc.
Inventor： Aiko KUBOTA , Daiki YAMANAKA
CPC classification number: H04N1/00068 , G03G15/5062 , H04N1/00013 , H04N1/00082 , H04N1/0057 , H04N1/00801 , H04N2201/0082
Abstract: A distance between a reference position and a reference image of a sheet is accurately measured without adding a special device even when an attitude of the sheet is not stable. An aspect of the present invention obtains image data by reading a sheet surface formed with the reference image such as a trim mark by a reading portion. A height calculation portion calculates edge-blur amounts of the reference position and the reference image on the sheet surface from the image data. Furthermore, a height calculation portion detects heights from a focus position to the sheet surface for the reference position and the reference image, from the edge-blur amount and a reflected light amount of a white solid portion. Moreover, a distance detection portion calculates a distance between the reference position and the reference image on the sheet surface, on the basis of a detection result.
Abstract translation: 即使片材的姿态不稳定，也可以在不添加专用装置的情况下精确地测量纸张的基准位置与参考图像之间的距离。 本发明的一个方面通过读取部分读取由诸如修剪标记的参考图像形成的片材表面而获得图像数据。 高度计算部分根据图像数据计算纸张表面上的基准位置和参考图像的边缘模糊量。 此外，高度计算部分根据白色实心部分的边缘模糊量和反射光量，从对焦位置到基准位置的纸张表面和参考图像的高度。 此外，距离检测部根据检测结果来计算纸面上的基准位置与基准图像的距离。
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