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61. 发明授权

US08811846B2 Optical sensor with positioning reference surface and image forming apparatus incorporating optical sensor 有权
标题翻译：具有定位参考表面的光学传感器和包含光学传感器的成像设备
公开(公告)号：US08811846B2
公开(公告)日：2014-08-19
申请号：US12929808
申请日：2011-02-17
申请人： Akira Yoshida , Hitoshi Ishibashi , Yoshiaki Miyashita , Kohta Fujimori , Nobutaka Takeuchi , Kayoko Tanaka
发明人： Akira Yoshida , Hitoshi Ishibashi , Yoshiaki Miyashita , Kohta Fujimori , Nobutaka Takeuchi , Kayoko Tanaka
IPC分类号： G03G15/00
CPC分类号： G03G15/5058 , G03G2215/00037
摘要： An optical sensor attached to an apparatus includes a substrate and a light emitting element mounted on a first surface of the substrate. The light emitting element emits a light to a detection object in parallel to the substrate. A light receiving element is mounted on the first surface of the substrate. The light receiving element receives a regular reflection light reflected by the detection object. The said first surface serves as a positioning reference for positioning the optical sensor on an optical sensor mounting member provided in the apparatus.
摘要翻译：附接到设备的光学传感器包括安装在基板的第一表面上的基板和发光元件。发光元件将平行于基板的光发射到检测对象。光接收元件安装在基板的第一表面上。光接收元件接收由检测对象反射的正反射光。所述第一表面用作用于将光学传感器定位在设置在设备中的光学传感器安装构件上的定位参考。

62. 发明申请

US20080124107A1 IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD 有权
标题翻译：图像形成装置和图像密度控制方法
公开(公告)号：US20080124107A1
公开(公告)日：2008-05-29
申请号：US11932198
申请日：2007-10-31
申请人： Nobutaka TAKEUCHI , Hitoshi Ishibashi , Kohta Fujimori , Kayoko Tanaka , Yushi Hirayama , Naoto Watanabe
发明人： Nobutaka TAKEUCHI , Hitoshi Ishibashi , Kohta Fujimori , Kayoko Tanaka , Yushi Hirayama , Naoto Watanabe
IPC分类号： G03G15/10
CPC分类号： G03G15/1605 , G03G15/0849 , G03G15/0853 , G03G2215/0161
摘要： In an image forming apparatus and an image density control method that are capable of suppressing the amount of toner consumed for a purpose other than image formation and responding to variation in the development ability of a development device due to environmental variation and the like such that a constant image density is obtained, the image density is maintained at a substantially fixed level by first target output value correcting means in accordance with a toner replacement amount and without consuming toner, and adjustment of the image density accompanying variation in the development ability due to environmental variation and the like is dealt with by second target output value correcting means in accordance with a toner pattern detection result. Hence, the frequency with which the toner pattern is detected in order to maintain the image density at a fixed level can be reduced in comparison with a case in which the image density is maintained at a fixed level on the basis of the toner pattern detection result alone, and as a result, the toner consumption amount can be suppressed.
摘要翻译：在图像形成装置和图像浓度控制方法中，能够抑制除了图像形成之外的目的而消耗的调色剂量，并且响应于由于环境变化等而导致的显影装置的显影能力的变化，使得通过第一目标输出值校正装置根据调色剂更换量并且不消耗调色剂，图像浓度保持在基本上固定的水平，并且由于环境而伴随着显影能力的变化的图像浓度的调整根据调色剂图案检测结果，由第二目标输出值校正装置处理变化等。因此，与根据调色剂图案检测结果将图像浓度保持在固定水平的情况相比，可以减少为了将图像浓度保持在固定水平而检测调色剂图案的频率，因此可以抑制调色剂消耗量。

63. 发明申请

US20110200349A1 Optical sensor and image forming apparatus incorporating optical sensor 有权
标题翻译：光学传感器和包含光学传感器的成像设备
公开(公告)号：US20110200349A1
公开(公告)日：2011-08-18
申请号：US12929808
申请日：2011-02-17
申请人： Akira Yoshida , Hitoshi Ishibashi , Yoshiaki Miyashita , Kohta Fujimori , Nobutaka Takeuchi , Kayoko Tanaka
发明人： Akira Yoshida , Hitoshi Ishibashi , Yoshiaki Miyashita , Kohta Fujimori , Nobutaka Takeuchi , Kayoko Tanaka
IPC分类号： G03G15/00 , G01J1/42
CPC分类号： G03G15/5058 , G03G2215/00037
摘要： An optical sensor attached to an apparatus includes a substrate and a light emitting element mounted on a first surface of the substrate. The light emitting element emits a light to a detection object in parallel to the substrate. A light receiving element is mounted on the first surface of the substrate. The light receiving element receives a regular reflection light reflected by the detection object. The said first surface serves as a positioning reference for positioning the optical sensor on an optical sensor mounting member provided in the apparatus.
摘要翻译：附接到设备的光学传感器包括安装在基板的第一表面上的基板和发光元件。发光元件将平行于基板的光发射到检测对象。光接收元件安装在基板的第一表面上。光接收元件接收由检测对象反射的正反射光。所述第一表面用作用于将光学传感器定位在设置在设备中的光学传感器安装构件上的定位参考。

64. 发明授权

US07881629B2 Image forming apparatus and image density control method 有权
标题翻译：图像形成装置和图像浓度控制方法
公开(公告)号：US07881629B2
公开(公告)日：2011-02-01
申请号：US11932198
申请日：2007-10-31
申请人： Nobutaka Takeuchi , Hitoshi Ishibashi , Kohta Fujimori , Kayoko Tanaka , Yushi Hirayama , Naoto Watanabe
发明人： Nobutaka Takeuchi , Hitoshi Ishibashi , Kohta Fujimori , Kayoko Tanaka , Yushi Hirayama , Naoto Watanabe
IPC分类号： G03G15/10 , G03G15/08
CPC分类号： G03G15/1605 , G03G15/0849 , G03G15/0853 , G03G2215/0161
摘要： In an image forming apparatus and an image density control method that are capable of suppressing the amount of toner consumed for a purpose other than image formation and responding to variation in the development ability of a development device due to environmental variation and the like such that a constant image density is obtained, the image density is maintained at a substantially fixed level by first target output value correcting means in accordance with a toner replacement amount and without consuming toner, and adjustment of the image density accompanying variation in the development ability due to environmental variation and the like is dealt with by second target output value correcting means in accordance with a toner pattern detection result. Hence, the frequency with which the toner pattern is detected in order to maintain the image density at a fixed level can be reduced in comparison with a case in which the image density is maintained at a fixed level on the basis of the toner pattern detection result alone, and as a result, the toner consumption amount can be suppressed.
摘要翻译：在图像形成装置和图像浓度控制方法中，能够抑制除了图像形成之外的目的而消耗的调色剂量，并且响应于由于环境变化等而导致的显影装置的显影能力的变化，使得通过第一目标输出值校正装置根据调色剂更换量并且不消耗调色剂，图像浓度保持在基本上固定的水平，并且由于环境而伴随着显影能力的变化的图像浓度的调整根据调色剂图案检测结果，由第二目标输出值校正装置处理变化等。因此，与根据调色剂图案检测结果将图像浓度保持在固定水平的情况相比，可以减少为了将图像浓度保持在固定水平而检测调色剂图案的频率，因此可以抑制调色剂消耗量。

65. 发明申请

US20090190960A1 PROCESS CARTRIDGE INCLUDING DEVELOPING UNIT AND INCORPORATED IN IMAGE FORMING APPARATUS 有权
标题翻译：包括发展单位在内的过程盒，并与图像形成装置
公开(公告)号：US20090190960A1
公开(公告)日：2009-07-30
申请号：US12360321
申请日：2009-01-27
申请人： Yushi Hirayama , Shinjl Kato , Takeroh Kurenuma , Keiichi Yoshida , Shin Hasegawa , Hitoshi Ishibashi , Yoshiaki Miyashita , Kohta Fujimori , Nobutaka Takeuchi , Tetsuya Muto , Akira Yoshida , Hiroyuki Uenishi
发明人： Yushi Hirayama , Shinjl Kato , Takeroh Kurenuma , Keiichi Yoshida , Shin Hasegawa , Hitoshi Ishibashi , Yoshiaki Miyashita , Kohta Fujimori , Nobutaka Takeuchi , Tetsuya Muto , Akira Yoshida , Hiroyuki Uenishi
IPC分类号： G03G15/08
CPC分类号： G03G15/0853 , G03G15/0893 , G03G2215/0132 , G03G2215/0897
摘要： A process cartridge for use in an image forming apparatus includes an image bearing member and a developing unit. The developing unit includes a developer bearing member to bear developer including toner and carrier, a casing forming a developer container containing the developer, a screw having a shaft with a spiral screw blade, a toner density sensor to detect a density of the toner on a detection surface, and a detection surface agitating member fixedly mounted on the shaft of the screw at a position facing a detection surface to scrape away the developer accumulated on the detection surface as the screw rotates. The detection surface agitating member includes an elastic sheet elastically deformable to scrape away the developer accumulated on the detection surface and disposed at a substantially same angle to an axial direction of the shaft of the screw as the spiral screw blade.
摘要翻译：用于图像形成装置的处理盒包括图像承载部件和显影单元。显影单元包括用于承载显影剂的显影剂承载构件，包括调色剂和载体，形成包含显影剂的显影剂容器的壳体，具有螺旋形螺旋叶片的轴的螺杆，用于检测调色剂密度的调色剂浓度传感器检测表面，以及检测表面搅拌构件，其固定地安装在螺钉的轴上面对检测表面的位置，以在螺钉旋转时刮掉积累在检测表面上的显影剂。检测表面搅拌构件包括可弹性变形的弹性片，以刮擦积聚在检测表面上的显影剂，并以与螺旋形螺旋叶片的螺杆轴的轴向大致相同的角度设置。

66. 发明申请

US20130236200A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20130236200A1
公开(公告)日：2013-09-12
申请号：US13790672
申请日：2013-03-08
申请人： Kayoko TANAKA , Kohta Fujimori , Keita Sone
发明人： Kayoko TANAKA , Kohta Fujimori , Keita Sone
IPC分类号： G03G15/00
CPC分类号： G03G15/0824 , G03G15/0189 , G03G15/0849 , G03G15/5058 , G03G2215/0158
摘要： An image forming apparatus includes a controller configured to control a toner-image forming device to form a toner patch; and a detector configured to detect the toner patch on the image carrier. During a non-printing period, the controller causes a toner-image forming device to form toner patches, causes the detector to detect densities of the toner patches, and adjusts an image-forming condition of the toner-image forming device based on detected densities. During a printing period, the controller causes the toner-image forming device to form an output image in an image area and form fewer toner patches in a non-image area, causes the detector to detect densities of the fewer toner patches, and adjusts the image-forming condition of the toner-image forming device based on detected densities. The fewer toner patches are selected from and fewer than the plurality of toner patches formed during the non-printing period.
摘要翻译：图像形成装置包括：控制器，被配置为控制调色剂图像形成装置以形成调色剂贴片; 以及被配置为检测图像载体上的调色剂贴片的检测器。在非打印期间，控制器使调色剂图像形成装置形成调色剂贴片，使得检测器检测调色剂色块的浓度，并且基于检测到的浓度调节调色剂图像形成装置的图像形成条件。在打印期间，控制器使得调色剂图像形成装置在图像区域中形成输出图像，并且在非图像区域中形成较少的调色剂贴片，使得检测器检测到更少调色剂贴片的密度，并调整基于检测到的浓度，调色剂图像形成装置的图像形成条件。从非印刷期间形成的多个调色剂片中选择的和少于更少的调色剂片。

67. 发明申请

US20150362868A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150362868A1
公开(公告)日：2015-12-17
申请号：US14740175
申请日：2015-06-15
申请人： Keita Sone , Nobutaka Takeuchi , Shinichi Akatsu , Tomohide Takenaka , Kohta Fujimori , Tetsuya Muto , Akira Yoshida , Keita Gotoh , Yuuichiroh Uematsu , Kazufumi Kimura
发明人： Keita Sone , Nobutaka Takeuchi , Shinichi Akatsu , Tomohide Takenaka , Kohta Fujimori , Tetsuya Muto , Akira Yoshida , Keita Gotoh , Yuuichiroh Uematsu , Kazufumi Kimura
IPC分类号： G03G15/16
CPC分类号： G03G15/1615 , G03G15/5054 , G03G15/5062
摘要： An image forming apparatus includes an endless belt-shaped image bearer that is rotatably supported and entrained around rollers; a transfer member positioned to contact an outer surface of the image bearer; a transfer device to transfer a toner image conveyed while being carried on the outer surface of the image bearer onto a transfer medium conveyed between the image bearer and the transfer member; a toner image sensor to detect the toner image transferred onto the transfer medium; and a conveyance speed controller to fine-tune a conveyance speed of the transfer medium. Based on fine-tuning data of the conveyance speed controller, a detection result of the toner image sensor is corrected and image forming conditions are corrected based on the corrected detection result.
摘要翻译：图像形成装置包括可旋转地支撑并夹带在辊周围的环形带状图像承载件; 定位成接触所述图像承载体的外表面的转印构件; 传送装置，用于将在承载在图像载体的外表面上的传送的调色剂图像转印到在图像载体和转印部件之间传送的转印介质上; 调色剂图像传感器，用于检测转印到转印介质上的调色剂图像; 以及微调转印介质的输送速度的输送速度控制器。基于输送速度控制器的微调数据，校正调色剂图像传感器的检测结果，并且基于校正的检测结果校正图像形成条件。

68. 发明授权

US08942586B2 Image forming apparatus using a plurality of toner patches during a non-printing period 有权
标题翻译：在非打印期间使用多个调色剂贴片的图像形成装置
公开(公告)号：US08942586B2
公开(公告)日：2015-01-27
申请号：US13790672
申请日：2013-03-08
申请人： Kayoko Tanaka , Kohta Fujimori , Keita Sone
发明人： Kayoko Tanaka , Kohta Fujimori , Keita Sone
IPC分类号： G03G15/00 , G03G15/08 , G03G15/01
CPC分类号： G03G15/0824 , G03G15/0189 , G03G15/0849 , G03G15/5058 , G03G2215/0158
摘要： An image forming apparatus includes a controller configured to control a toner-image forming device to form a toner patch; and a detector configured to detect the toner patch on the image carrier. During a non-printing period, the controller causes a toner-image forming device to form toner patches, causes the detector to detect densities of the toner patches, and adjusts an image-forming condition of the toner-image forming device based on detected densities. During a printing period, the controller causes the toner-image forming device to form an output image in an image area and form fewer toner patches in a non-image area, causes the detector to detect densities of the fewer toner patches, and adjusts the image-forming condition of the toner-image forming device based on detected densities. The fewer toner patches are selected from and fewer than the plurality of toner patches formed during the non-printing period.
摘要翻译：图像形成装置包括：控制器，被配置为控制调色剂图像形成装置以形成调色剂贴片; 以及被配置为检测图像载体上的调色剂贴片的检测器。在非打印期间，控制器使调色剂图像形成装置形成调色剂贴片，使得检测器检测调色剂色块的浓度，并且基于检测到的浓度调节调色剂图像形成装置的图像形成条件。在打印期间，控制器使得调色剂图像形成装置在图像区域中形成输出图像，并且在非图像区域中形成较少的调色剂贴片，使得检测器检测到更少调色剂贴片的密度，并调整基于检测到的浓度，调色剂图像形成装置的图像形成条件。从非印刷期间形成的多个调色剂片中选择的和少于更少的调色剂片。

69. 发明申请

US20120294637A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 有权
标题翻译：图像形成装置和图像形成方法
公开(公告)号：US20120294637A1
公开(公告)日：2012-11-22
申请号：US13453253
申请日：2012-04-23
申请人： Kayoko TANAKA , Kohta Fujimori , Keita Sone
发明人： Kayoko TANAKA , Kohta Fujimori , Keita Sone
IPC分类号： G03G15/06
CPC分类号： G03G15/5054 , G03G15/0115 , G03G15/0131 , G03G15/0189 , G03G15/5058 , G03G2215/0132 , G03G2215/0161 , G03G2215/0164
摘要： In an image forming apparatus, a processor performs: a solid density stabilization of adjusting, in accordance with detected toner adhesion amounts of solid toner images of solid tone patterns, a condition to form solid images with respective target image densities; a misregistration reduction of adjusting, in accordance with detection timing of position detection toner images of misregistration detection patterns, a condition to reduce misregistration of toner images; and a halftone density stabilization of adjusting, in accordance with detected toner adhesion amounts of area coverage modulation toner images, a condition to form halftone images with respective target image densities. The processor continuously performs the solid density stabilization and the misregistration reduction, and starts the halftone density stabilization when the solid density stabilization is completed and the misregistration reduction is not completed, to concurrently perform a step of the misregistration reduction and at least a step of the halftone density stabilization.
摘要翻译：在图像形成装置中，处理器执行：固体密度稳定化，其根据检测到的固体色调图像的固体调色剂图像的调色剂附着量调整形成具有各自目标图像密度的实心图像的条件; 根据调色剂图像的位置检测调色剂图像的检测定时来调整调色剂图像的重合不良的条件的对准减少; 以及半色调浓度稳定化，根据检测到的调色剂调色剂图像的调色剂附着量调整形成具有各自目标图像浓度的半色调图像的条件。处理器连续地执行固体密度稳定化和不对准降低，并且当固体密度稳定化完成并且未排序失调降低时，开始半色调浓度稳定化，同时进行不对准降低的步骤，并且至少在半色调密度稳定。

70. 发明授权

US09651910B2 Image forming apparatus incorporating line sensor 有权
公开(公告)号：US09651910B2
公开(公告)日：2017-05-16
申请号：US15190685
申请日：2016-06-23
申请人： Akio Kosuge , Natsumi Matsue , Keiko Matsumoto , Akira Yoshida , Yoichi Sakurai , Yuuichiroh Uematsu , Kohta Fujimori , Kayoko Tanaka
发明人： Akio Kosuge , Natsumi Matsue , Keiko Matsumoto , Akira Yoshida , Yoichi Sakurai , Yuuichiroh Uematsu , Kohta Fujimori , Kayoko Tanaka
IPC分类号： G03G15/00 , G03G15/01
CPC分类号： G03G15/556 , G03G15/01 , G03G15/5058
摘要： An image forming apparatus includes an image bearer, an image forming device to form a toner image on the image bearer, a transfer device to transfer the toner image to a recording medium, a line sensor as an image density sensor to detect image density of the toner image, and a controller operatively connected to the image density sensor. The image density sensor is disposed so as to be shorter in a rotational direction of the image bearer than in a width direction of the image bearer perpendicular to the rotational direction of the image bearer. The controller forms a shading pattern image including a plurality of patches on the image bearer, and detects image density of the plurality of patches, so as to control image density. The shading pattern image is shorter in the rotational direction of the image bearer than in the width direction of the image bearer.

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