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公开(公告)号：US09645537B2
公开(公告)日：2017-05-09
申请号：US14730803
申请日：2015-06-04
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kuniaki Tamagaki , Motoki Adachi , Satoshi Sunahara , Takanori Watanabe
CPC classification number: G03G15/55 , G03G15/1645 , G03G15/5037 , G03G21/1875 , G03G2215/1614
Abstract: An image forming apparatus is provided that includes a light-emitting unit which emits light to an image bearing member which bears a developer image and that detects presence or absence of a developer container storing developer or a shape of the developer container on the basis of the number of electrons discharged from or received by the image bearing member when the light-emitting unit emits the light.
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公开(公告)号：US09541857B2
公开(公告)日：2017-01-10
申请号：US14624654
申请日：2015-02-18
Applicant: CANON KABUSHIKI KAISHA
Inventor： Motoki Adachi , Motonari Ito , Takanori Watanabe , Yusuke Usui
CPC classification number: G03G15/0812 , G03G21/0064
Abstract: A developing apparatus includes a developer bearing member configured to bear a developer on a surface, a regulating member that regulates layer thickness of the developer on the developer bearing member, and a development chamber provided with the developer bearing member and the regulating member and having an opening. A storage chamber stores the developer, and a conveying member in the storage chamber conveys the stored developer to the development chamber through the opening. The developing apparatus collects, after the developer on the image bearing member is transferred onto a transfer material, the developer remaining on the image bearing member into the storage chamber, wherein a bottom section of the development chamber is located above a bottom section of the storage chamber in a vertical direction. A contact region of the developer bearing member in contact with the regulating member is located directly above the opening in the vertical direction.
Abstract translation: 显影装置包括构造成在表面上承载显影剂的显影剂承载构件，调节显影剂承载构件上的显影剂的层厚度的调节构件和设置有显影剂承载构件和调节构件的显影室， 开放 存储室存储显影剂，并且存储室中的输送构件通过开口将存储的显影剂输送到显影室。 显影装置在将图像承载部件上的显影剂转印到转印材料上之后，将保持在图像承载部件上的显影剂进入储存室，其中显影室的底部位于储存器的底部 室在垂直方向。 与调节构件接触的显影剂承载构件的接触区域位于开口的垂直方向上方。
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公开(公告)号：US09042744B2
公开(公告)日：2015-05-26
申请号：US13895417
申请日：2013-05-16
Applicant: CANON KABUSHIKI KAISHA
Inventor： Motoki Adachi , Hideaki Hasegawa , Takayoshi Kihara
IPC: G03G15/00
CPC classification number: G03G15/553 , G03G15/5037 , G03G15/5079 , G03G15/55
Abstract: An image forming apparatus includes a rotatable photosensitive member, an exposure unit for exposing a surface of the photosensitive member to light, and a detecting portion for detecting a lifetime of the photosensitive member on the basis of a thickness of a charge transporting layer of the photosensitive member and an amount of the light received by the charge transporting layer of the photosensitive member.
Abstract translation: 图像形成装置包括可旋转感光构件，用于将感光构件的表面曝光的曝光单元和用于基于感光体的电荷输送层的厚度来检测感光构件的寿命的检测部分 构件和由感光构件的电荷输送层接收的光量。
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公开(公告)号：US20140003829A1
公开(公告)日：2014-01-02
申请号：US13866919
申请日：2013-04-19
Applicant: CANON KABUSHIKI KAISHA
Inventor： Motoki Adachi , Hideaki Hasegawa , Takayoshi Kihara
IPC: G03G15/01
CPC classification number: G03G15/0189 , G03G15/50
Abstract: The image forming apparatus can switch between a color mode, in which an image is formed by sequentially transferring the color toner images formed by developing members in an overlapping manner, and a mono mode, in which an image is formed by using one developing member. The developing member used in the mono mode develops the toner image to be transferred secondly or thereafter in the color mode, the exposure device exposes a non-image portion where the toner image is not formed on the surface of the image carrier at an exposure amount smaller than an exposure amount for an image portion where the toner image is formed, and, in the mono mode, the exposure amount at which the exposure device exposes the non-image portion of the image carrier in the case the image is formed in the mono mode is smaller than the color mode.
Abstract translation: 图像形成装置可以通过以重叠的方式顺序地转印由显影构件形成的彩色调色剂图像和通过使用一个显影构件形成图像的单声道模式来在其中形成图像的彩色模式之间切换。 在单声道模式下使用的显影元件在彩色模式下显影要转印的调色剂图像，曝光装置以曝光量曝光图像载体表面上没有形成调色剂图像的非图像部分 小于形成调色剂图像的图像部分的曝光量，并且在单声道模式中，在图像形成的情况下，曝光装置暴露图像载体的非图像部分的曝光量 单声道模式小于彩色模式。
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公开(公告)号：US20130308964A1
公开(公告)日：2013-11-21
申请号：US13895417
申请日：2013-05-16
Applicant: Canon Kabushiki Kaisha
Inventor： Motoki Adachi , Hideaki Hasegawa , Takayoshi Kihara
IPC: G03G15/00
CPC classification number: G03G15/553 , G03G15/5037 , G03G15/5079 , G03G15/55
Abstract: An image forming apparatus includes: a rotatable photosensitive member; an exposure unit for exposing a surface of the photosensitive member to light; and a detecting portion for detecting a lifetime of the photosensitive member on the basis of first information on a thickness of a charge transporting layer of the photosensitive member and second information on an amount of the light received by the charge transporting layer of the photosensitive member.
Abstract translation: 图像形成装置包括：可旋转的感光构件; 用于将感光构件的表面曝光的曝光单元; 以及检测部，其基于关于感光构件的电荷输送层的厚度的第一信息和关于由感光构件的电荷输送层接收的光的量的第二信息来检测感光构件的寿命。
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Patent Agency Ranking
公开(公告)号：US20130163999A1
公开(公告)日：2013-06-27
申请号：US13711476
申请日：2012-12-11
Applicant: Canon Kabushiki Kaisha
Inventor： Yuta Isobe , Motoki Adachi , Takuya Kitamura , Hideo Kihara , Kouki Yano
IPC: G03G15/08
CPC classification number: G03G15/0877 , G03G15/0173 , G03G15/0848
Abstract: An image forming apparatus includes a holding unit configured to change a developing device to first and second orientations. Whether a developer in the developing device is unevenly distributed in a longitudinal direction of the developing device is detected based on a capacitance C1 between first and second electrode members in the first orientation and a capacitance C2 between the first and second electrode members in the second orientation.
Abstract translation: 图像形成装置包括：保持单元，被配置为将显影装置改变为第一和第二取向。 基于第一方向上的第一和第二电极部件之间的电容C1和第二方向上的第一和第二电极部件之间的电容C2来检测显影装置中的显影剂是否不均匀地分布在显影装置的纵向方向上 。
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公开(公告)号：US20130084098A1
公开(公告)日：2013-04-04
申请号：US13629988
申请日：2012-09-28
Applicant: CANON KABUSHIKI KAISHA
Inventor： Takayuki Kanazawa , Motoki Adachi , Kentaro Kawata , Masanori Tanaka , Shunsuke Mizukoshi
IPC: G03G15/08
CPC classification number: G03G15/0817
Abstract: A developing device developing a latent image includes a developer bearing member configured to bear a developer, a frame member configured to rotatably support the developer bearing member, and a sealing member, provided on the frame member, including a contact portion configured to contact an end in an axial direction of the developer bearing member and a non-contact portion configured not to contact the developer bearing member, the sealing member including a cut portion provided in the non-contact portion by cutting a surface of the sealing member in a direction intersecting a rotational direction of the developer bearing member, wherein the cut portion does not connect one end and another end of the sealing member in the axial direction.
Abstract translation: 显影潜像的显影装置包括构造成承载显影剂的显影剂承载构件，构造成可旋转地支撑显影剂承载构件的框架构件和设置在框架构件上的密封构件，包括接触部分，其被构造成接触端部 在显影剂承载部件的轴向方向和非接触部分构造成不与显影剂承载部件接触，所述密封部件包括设置在所述非接触部分中的切口部分，所述切口部分沿着与所述显影剂承载部件相交的方向切割所述密封部件的表面 所述显影剂承载部件的旋转方向，其中所述切割部分不沿轴向连接所述密封部件的一端和另一端。
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18.发明授权公开(公告)号：US10281838B2
公开(公告)日：2019-05-07
申请号：US16027941
申请日：2018-07-05
Applicant: CANON KABUSHIKI KAISHA
Inventor： Motoki Adachi , Motonari Ito , Takanori Watanabe , Yusuke Usui
Abstract: A developing apparatus includes a developer bearing member bearing a developer on a surface in a developing operation, a regulating member configured to regulate layer thickness of the developer borne on the developer bearing member, a development chamber provided with the developer bearing member and the regulating member and having an opening, a storage chamber to store the developer, and a conveying member to convey the developer stored in the storage chamber to the development chamber through the opening. When the developing operation is performed, a bottom section of the development chamber is located above a bottom section of the storage chamber in a vertical direction, and a contact region of the developer bearing member in contact with the regulating member is located directly above the opening in the vertical direction.
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公开(公告)号：US09342033B2
公开(公告)日：2016-05-17
申请号：US13860707
申请日：2013-04-11
Applicant: CANON KABUSHIKI KAISHA
Inventor： Hideaki Hasegawa , Motoki Adachi , Takayoshi Kihara
CPC classification number: G03G21/10 , G03G15/161 , G03G15/166 , G03G2215/0132
Abstract: An image forming apparatus including: image forming stations each including: a photosensitive drum; a charger configured to charge the drum; a transfer device configured to transfer a developer image on the drum onto an intermediate transfer member; and a cleaner configured to remove developer from the drum; an exposure device configured to expose the drum to form a latent image; the intermediate transfer member; a memory storing information on the drum; and a controller configured to control at least one of the charger, transfer device, and exposure device in the station based on the information in the memory to provide a predetermined potential difference between the drum and the transfer device to form an electric field therebetween in a reverse direction to that in an image formation in order to move the developer from the intermediate transfer member to the drum to collect the developer by the cleaner.
Abstract translation: 一种图像形成装置，包括：图像形成站，每个图像形成站包括：感光鼓; 充电器，其构造成对所述鼓进行充电; 传送装置，其构造成将所述滚筒上的显影剂图像转印到中间转印部件上; 以及清洁器，其构造成从所述滚筒中除去显影剂; 曝光装置，被配置为暴露所述滚筒以形成潜像; 中间转印部件; 一个存储在滚筒上的信息的存储器; 以及控制器，其被配置为基于所述存储器中的信息来控制所述站中的所述充电器，传送装置和曝光装置中的至少一个，以在所述滚筒和所述传送装置之间提供预定的电位差，以在其间形成电场 与图像形成中的方向相反，以便将显影剂从中间转印部件移动到滚筒，以通过清洁器收集显影剂。
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公开(公告)号：US20150362886A1
公开(公告)日：2015-12-17
申请号：US14733082
申请日：2015-06-08
Applicant: CANON KABUSHIKI KAISHA
Inventor： Motonari Ito , Motoki Adachi , Satoshi Sunahara , Kuniaki Tamagaki
IPC: G03G21/10
CPC classification number: G03G21/10 , G03G15/0233 , G03G15/505 , G03G2215/025
Abstract: When the outer diameter of a charging member 3 is defined as Hc, the ratio of the circumferential velocity of the charging member 3 to the circumferential velocity of an image bearing member 1 is defined as Rc, the outer diameter of a developer bearing member 9 is defined as Hd, and the ratio of the circumferential velocity of the developer bearing member 9 to the circumferential velocity of the image bearing member 1 is defined as Rd, the relationship Hc/Rc≧Hd/Rd is satisfied.
Abstract translation: 当充电构件3的外径被定义为Hc时，充电构件3的圆周速度与图像承载构件1的圆周速度的比率被定义为Rc，显影剂承载构件9的外径为 定义为Hd，并且显影剂承载部件9的圆周速度与图像承载部件1的圆周速度的比率被定义为Rd，满足关系Hc /Rc≥Hd/ Rd。
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