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公开(公告)号：US20190094800A1
公开(公告)日：2019-03-28
申请号：US15712574
申请日：2017-09-22
发明人： Satoshi Itaya , Mitsutoshi Watanabe
摘要： In accordance with an embodiment, an image forming apparatus comprises a humidity sensor, a developing device, a supply device, an acquisition section, and a controller. The supply device supplies the developing device with the developer based on toner density sensor detecting the toner density and a detection result of the toner density sensor among the developer in the developing device. Based on the detection result of the humidity sensor and a time from the completion of a processing relating to image formation to the start of a processing relating to next image formation, the acquisition section acquires a charge level of the developer in the developing device. Based on a first charge level acquired by the acquisition section at a first time and a second charge level acquired by the acquisition section at a second time after the first time, the controller controls to discharge the toner.
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2.发明授权公开(公告)号：US11675301B2
公开(公告)日：2023-06-13
申请号：US17668427
申请日：2022-02-10
发明人： Kei Onishi , Satoshi Itaya
CPC分类号： G03G15/5008 , G03G15/0849 , G03G2215/00075 , G03G2215/00945
摘要： According to one embodiment, an image forming apparatus includes a printer and a controller. The printer performs image formation on a sheet at a first speed relating to a speed of image formation or at a second speed slower than the first speed. The controller acquires information on deterioration of developer contained in an own apparatus, and controls the printer to perform image formation at the first speed when the information does not satisfy a predetermined condition indicating that the developer is deteriorated and to perform image formation at the second speed when the information satisfies the predetermined condition.
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公开(公告)号：US12124199B2
公开(公告)日：2024-10-22
申请号：US18180157
申请日：2023-03-08
发明人： Satoshi Itaya
CPC分类号： G03G15/5025 , G03G15/5058 , G06K15/027 , G06K15/1872 , H04N1/00045
摘要： An image forming apparatus includes a forming unit, a storage unit, a correction unit, a measurement unit, and a changing unit. The forming unit forms an image. The storage unit stores correction data for correcting density irregularity in each of a plurality of regions obtained through division in a main scanning direction of the image formed by the forming unit. The correction unit corrects a density of the image formed by the forming unit for each of the plurality of regions based on the correction data stored in the storage unit. The measurement unit measures an image formation density by the forming unit in association with the correction by the correction unit. The changing unit changes the image formation density by the forming unit with a uniform change amount in the plurality of regions so that the image formation density measured by the measurement unit approaches a predetermined target density.
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公开(公告)号：US20240302777A1
公开(公告)日：2024-09-12
申请号：US18180157
申请日：2023-03-08
发明人： Satoshi Itaya
CPC分类号： G03G15/5025 , G03G15/5058 , G06K15/027 , G06K15/1872 , H04N1/00045
摘要： An image forming apparatus includes a forming unit, a storage unit, a correction unit, a measurement unit, and a changing unit. The forming unit forms an image. The storage unit stores correction data for correcting density irregularity in each of a plurality of regions obtained through division in a main scanning direction of the image formed by the forming unit. The correction unit corrects a density of the image formed by the forming unit for each of the plurality of regions based on the correction data stored in the storage unit. The measurement unit measures an image formation density by the forming unit in association with the correction by the correction unit. The changing unit changes the image formation density by the forming unit with a uniform change amount in the plurality of regions so that the image formation density measured by the measurement unit approaches a predetermined target density.
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公开(公告)号：US12092981B2
公开(公告)日：2024-09-17
申请号：US18081601
申请日：2022-12-14
发明人： Satoshi Itaya
IPC分类号： G03G15/00
CPC分类号： G03G15/5058 , G03G15/5016 , G03G15/5033
摘要： An image forming apparatus includes an operation panel including a display, a belt through which an image formed thereon is transferred to a sheet, a head configured to form an image on the belt, and a controller configured to control the head to form an image on the belt according to operation settings. The controller is configured to, upon receipt of an instruction to execute a first job, determine whether the job includes forming an image, upon determining that the first job includes forming an image, determine whether a first condition for executing an adjustment operation to adjust the settings is satisfied, upon determining that the first condition is satisfied, control the display to display a screen through which execution of the adjustment operation and a timing thereof can be selected, and execute the first job and/or the adjustment operation based on a selection made through the screen.
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公开(公告)号：US20210072687A1
公开(公告)日：2021-03-11
申请号：US17095792
申请日：2020-11-12
发明人： Kei Onishi , Satoshi Itaya
摘要： According to one embodiment, an image forming apparatus includes a printer and a controller. The printer performs image formation on a sheet at a first speed relating to a speed of image formation or at a second speed slower than the first speed. The controller acquires information on deterioration of developer contained in an own apparatus, and controls the printer to perform image formation at the first speed when the information does not satisfy a predetermined condition indicating that the developer is deteriorated and to perform image formation at the second speed when the information satisfies the predetermined condition.
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公开(公告)号：US20210072686A1
公开(公告)日：2021-03-11
申请号：US16564097
申请日：2019-09-09
发明人： Kei Onishi , Satoshi Itaya
摘要： According to one embodiment, an image forming apparatus includes a printer and a controller. The printer performs image formation on a sheet at a first speed relating to a speed of image formation or at a second speed slower than the first speed. The controller acquires information on deterioration of developer contained in an own apparatus, and controls the printer to perform image formation at the first speed when the information does not satisfy a predetermined condition indicating that the developer is deteriorated and to perform image formation at the second speed when the information satisfies the predetermined condition.
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公开(公告)号：US20220269203A1
公开(公告)日：2022-08-25
申请号：US17668427
申请日：2022-02-10
发明人： Kei Onishi , Satoshi Itaya
摘要： According to one embodiment, an image forming apparatus includes a printer and a controller. The printer performs image formation on a sheet at a first speed relating to a speed of image formation or at a second speed slower than the first speed. The controller acquires information on deterioration of developer contained in an own apparatus, and controls the printer to perform image formation at the first speed when the information does not satisfy a predetermined condition indicating that the developer is deteriorated and to perform image formation at the second speed when the information satisfies the predetermined condition.
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9.发明授权公开(公告)号：US11281143B2
公开(公告)日：2022-03-22
申请号：US17095792
申请日：2020-11-12
发明人： Kei Onishi , Satoshi Itaya
摘要： According to one embodiment, an image forming apparatus includes a printer and a controller. The printer performs image formation on a sheet at a first speed relating to a speed of image formation or at a second speed slower than the first speed. The controller acquires information on deterioration of developer contained in an own apparatus, and controls the printer to perform image formation at the first speed when the information does not satisfy a predetermined condition indicating that the developer is deteriorated and to perform image formation at the second speed when the information satisfies the predetermined condition.
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10.发明授权Fixer that forms a nip with an induction-heated belt and an image forming apparatus having the same 有权用感应加热带形成辊隙的定影器和具有该辊的图像形成装置公开(公告)号：US09250584B1
公开(公告)日：2016-02-02
申请号：US14625157
申请日：2015-02-18
发明人： Yoshiaki Okano , Satoshi Itaya , Yoshiki Kogiso
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G2215/2035
摘要： A fixer includes a fixing belt configured to move around a center, a heating unit configured to induction-heat the fixing belt, a pressing member that presses an outer surface of the fixing belt, a resilient member disposed opposite to the pressing member across the fixing belt, and a heat generating member that is capable of being induction-heated and disposed along the inner surface of the fixing belt between a first position and a second position that is downstream with respect to the first position in a moving direction of the fixing belt. An upstream end portion of the resilient member in the moving direction is in contact with a third position of the fixing belt, and an angle formed with respect to the center by the second and third positions is equal to or smaller than 60°.
摘要翻译： 定影器包括：配置成围绕中心移动的定影带，被配置为感应加热定影带的加热单元，压紧定影带的外表面的按压构件，与按压构件相对设置的弹性构件， 带和发热构件，其能够沿着定影带的内表面感应加热和设置在第一位置和第二位置之间，该第一位置和第二位置相对于位于定影带的移动方向上的第一位置的下游 。 弹性构件在移动方向上的上游端部与定影带的第三位置接触，第二和第三位置相对于中心形成的角度等于或小于60°。
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