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公开(公告)号：US07389059B2
公开(公告)日：2008-06-17
申请号：US11392554
申请日：2006-03-30
CPC分类号： G03G15/0163 , G03G15/0121 , G03G2215/00063 , G03G2215/0177
摘要： An image forming apparatus includes an image carrier on which an electrostatic latent image is formed, a rotary developing device having N developer carriers on an rotation orbit and moving the N developer carriers to a development position opposite to the image carrier, and a toner concentration sensor that measures toner concentrations of the developers. A measurement position of the toner concentration sensor is set on a second virtual straight line having a first angle toward a first virtual straight line that connects a rotation center of the rotary developing device and the development position. The N developer carriers are placed in turn in an order at the same angular interval as the first angle, and an angular interval between the N-th and first developer carriers is set to a second angle greater than the first angle.
摘要翻译： 图像形成装置包括其上形成有静电潜像的图像载体，在旋转轨道上具有N个显影剂载体并将N个显影剂载体移动到与图像载体相对的显影位置的旋转显影装置，以及调色剂浓度传感器 它可以测量开发商的调色剂浓度。 调色剂浓度传感器的测量位置被设置在与连接旋转显影装置的旋转中心和显影位置的第一虚拟直线具有第一角度的第二虚拟直线上。 N个显影剂载体依次以与第一角度相同的角度间隔依次放置，并且第N显影剂载体与第一显影剂载体之间的角度间隔设定为大于第一角度的第二角度。
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公开(公告)号：US07539426B2
公开(公告)日：2009-05-26
申请号：US12149077
申请日：2008-04-25
CPC分类号： G03G15/0163 , G03G15/0121 , G03G2215/00063 , G03G2215/0177
摘要： An image forming apparatus includes an image carrier on which an electrostatic latent image is formed, a rotary developing device having N developer carriers on a rotation orbit and moving the N developer carriers to a development position opposite to the image carrier, and a toner concentration sensor that measures toner concentrations of the developers. A measurement position of the toner concentration sensor is set on a second virtual straight line having a first angle toward a first virtual straight line that connects a rotation center of the rotary developing device and the development position. The N developer carriers are placed in turn in an order at the same angular interval as the first angle, and an angular interval between the N-th and first developer carriers is set to a second angle greater than the first angle.
摘要翻译： 图像形成装置包括其上形成有静电潜像的图像载体，在旋转轨道上具有N个显影剂载体并将N个显影剂载体移动到与图像载体相对的显影位置的旋转显影装置，以及调色剂浓度传感器 它可以测量开发商的调色剂浓度。 调色剂浓度传感器的测量位置被设置在与连接旋转显影装置的旋转中心和显影位置的第一虚拟直线具有第一角度的第二虚拟直线上。 N个显影剂载体依次以与第一角度相同的角度间隔依次放置，并且第N显影剂载体与第一显影剂载体之间的角度间隔设定为大于第一角度的第二角度。
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公开(公告)号：US20080205922A1
公开(公告)日：2008-08-28
申请号：US12149077
申请日：2008-04-25
IPC分类号： G03G15/10
CPC分类号： G03G15/0163 , G03G15/0121 , G03G2215/00063 , G03G2215/0177
摘要： An image forming apparatus includes an image carrier on which an electrostatic latent image is formed, a rotary developing device having N developer carriers on a rotation orbit and moving the N developer carriers to a development position opposite to the image carrier, and a toner concentration sensor that measures toner concentrations of the developers. A measurement position of the toner concentration sensor is set on a second virtual straight line having a first angle toward a first virtual straight line that connects a rotation center of the rotary developing device and the development position. The N developer carriers are placed in turn in an order at the same angular interval as the first angle, and an angular interval between the N-th and first developer carriers is set to a second angle greater than the first angle.
摘要翻译： 图像形成装置包括其上形成有静电潜像的图像载体，在旋转轨道上具有N个显影剂载体并将N个显影剂载体移动到与图像载体相对的显影位置的旋转显影装置，以及调色剂浓度传感器 它可以测量开发商的调色剂浓度。 调色剂浓度传感器的测量位置被设置在与连接旋转显影装置的旋转中心和显影位置的第一虚拟直线具有第一角度的第二虚拟直线上。 N个显影剂载体依次以与第一角度相同的角度间隔依次放置，并且第N显影剂载体与第一显影剂载体之间的角度间隔设定为大于第一角度的第二角度。
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公开(公告)号：US20060291878A1
公开(公告)日：2006-12-28
申请号：US11354127
申请日：2006-02-15
IPC分类号： G03G15/08
CPC分类号： G03G15/0152 , G03G15/0121 , G03G15/0173 , G03G15/0863 , G03G15/50 , G03G2215/00037 , G03G2215/0634 , G03G2215/0697 , G03G2221/1892
摘要： An image forming apparatus includes a rotary unit having a plurality of development devices provided around a rotary shaft, the development device having a constituent unit, wherein: a plurality of the development devices sequentially move to a development position, where the development devices oppose an image carrier by rotation of the rotary unit, and a development device located at the development position develops an electrostatic latent image on the image carrier; each of the plurality of development devices has a state detection unit that detects at least one of a state of the development device and a state of a constituent unit of the development device; and the state detection unit of each of the development devices performs state detection when the development device having the state detection unit is located at the development position.
摘要翻译： 图像形成装置包括具有设置在旋转轴周围的多个显影装置的旋转单元，显影装置具有构成单元，其中：多个显影装置顺序地移动到显影位置，显影装置与图像相对 并且位于显影位置的显影装置在图像载体上显影静电潜像; 所述多个显影装置中的每一个具有状态检测单元，其检测所述显影装置的状态和所述显影装置的构成单元的状态中的至少一个; 并且当具有状态检测单元的显影装置位于显影位置时，每个显影装置的状态检测单元执行状态检测。
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公开(公告)号：US20060291873A1
公开(公告)日：2006-12-28
申请号：US11350865
申请日：2006-02-10
CPC分类号： G03G15/0131 , G03G15/0121 , G03G15/0173 , G03G2215/0158 , G03G2215/0177
摘要： An image forming apparatus comprises: a rotary unit having a plurality of development devices provided around a rotary shaft, the development device including a constituent unit, wherein the plurality of the development devices move to a development position where the development devices sequentially oppose an image carrier by rotation of the rotary unit, and the development device in the development position develops an electrostatic latent image on the image carrier, a state detection unit that is disposed at a position above a circumference of the rotary unit, the position being different from the development position and that detects at least one of a state of the development devices and a state of the constituent unit of the development devices; and a rotation control unit that controls the rotary unit so as to perform rotation of the rotary unit for sequentially moving the development devices to the development position and rotation of the rotary unit for sequentially moving the development devices to a detection position during the same rotation.
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公开(公告)号：US07751731B2
公开(公告)日：2010-07-06
申请号：US12423741
申请日：2009-04-14
CPC分类号： G03G15/0163 , G03G15/0121 , G03G2215/00063 , G03G2215/0177
摘要： An image forming apparatus includes an image carrier on which an electrostatic latent image is formed, a rotary developing device having N developer carriers, where N defines a total number of developer carriers, the N developer carriers carrying developers to develop the electrostatic latent image, and the rotary developing device moves the N developer carriers to a development position opposite to the image carrier, and a toner concentration sensor that measures toner concentrations of the developers carried in the developer carriers. A measurement position of the toner concentration sensor is set on a second virtual straight line with the second virtual straight line having a first angle or an angle that is double the first angle toward a first virtual straight line on a rotation orbit of the rotary device, and the first virtual straight line connects a rotation center of the rotary developing device and the development position. The N developer carriers are placed in turn in an order starting from a first developer carrier to an N-th developer carrier at the same angular interval as the first angle on the rotation orbit of the rotary developing device, and an angular interval between the N-th developer carrier and the first developer carrier is set to a second angle greater than the first angle.
摘要翻译： 图像形成装置包括其上形成有静电潜像的图像载体，具有N个显影剂载体的旋转显影装置，其中N限定显影剂载体的总数，携带显影剂的N显影剂载体显影静电潜像，以及 旋转显影装置将N个显影剂载体移动到与图像载体相对的显影位置，以及调色剂浓度传感器，其测量在显影剂载体中承载的显影剂的调色剂浓度。 调色剂浓度传感器的测量位置被设置在第二虚拟直线上，其中第二虚拟直线具有与旋转装置的旋转轨道上的第一假想直线相对应的第一角度或第一角度的两倍的角度， 并且第一虚拟直线连接旋转显影装置的旋转中心和显影位置。 N个显影剂载体依次以与旋转显影装置的旋转轨道上的第一角度相同的角度间隔从第一显影剂载体开始到第N显影剂载体的顺序放置，并且N 第一显影剂载体和第一显影剂载体被设定为大于第一角度的第二角度。
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公开(公告)号：US20090202261A1
公开(公告)日：2009-08-13
申请号：US12423741
申请日：2009-04-14
IPC分类号： G03G15/08
CPC分类号： G03G15/0163 , G03G15/0121 , G03G2215/00063 , G03G2215/0177
摘要： An image forming apparatus includes an image carrier on which an electrostatic latent image is formed, a rotary developing device having N developer carriers, where N defines a total number of developer carriers, the N developer carriers carrying developers to develop the electrostatic latent image, and the rotary developing device moves the N developer carriers to a development position opposite to the image carrier, and a toner concentration sensor that measures toner concentrations of the developers carried in the developer carriers. A measurement position of the toner concentration sensor is set on a second virtual straight line with the second virtual straight line having a first angle or an angle that is double the first angle toward a first virtual straight line on a rotation orbit of the rotary device, and the first virtual straight line connects a rotation center of the rotary developing device and the development position. The N developer carriers are placed in turn in an order starting from a first developer carrier to an N-th developer carrier at the same angular interval as the first angle on the rotation orbit of the rotary developing device, and an angular interval between the N-th developer carrier and the first developer carrier is set to a second angle greater than the first angle.
摘要翻译： 图像形成装置包括其上形成有静电潜像的图像载体，具有N个显影剂载体的旋转显影装置，其中N限定显影剂载体的总数，携带显影剂的N显影剂载体显影静电潜像，以及 旋转显影装置将N个显影剂载体移动到与图像载体相对的显影位置，以及调色剂浓度传感器，其测量在显影剂载体中承载的显影剂的调色剂浓度。 调色剂浓度传感器的测量位置被设置在第二虚拟直线上，其中第二虚拟直线具有与旋转装置的旋转轨道上的第一假想直线相对应的第一角度或第一角度的两倍的角度， 并且第一虚拟直线连接旋转显影装置的旋转中心和显影位置。 N个显影剂载体依次以与旋转显影装置的旋转轨道上的第一角度相同的角度间隔从第一显影剂载体开始到第N显影剂载体的顺序放置，并且N 第一显影剂载体和第一显影剂载体被设定为大于第一角度的第二角度。
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公开(公告)号：US20070053702A1
公开(公告)日：2007-03-08
申请号：US11354009
申请日：2006-02-15
IPC分类号： G03G15/08
CPC分类号： G03G15/0121 , G03G15/0855 , G03G2215/0177
摘要： An image forming apparatus includes: an image carrier on which an electrostatic latent image is to be formed; a rotary development unit having a plurality of developer carriers that carry a developer used for developing the electrostatic latent image, the developer including toner, the plurality of the developer carriers being sequentially moved to a development position opposing to the image carrier, to switch a development color; and a toner concentration detection unit that detects the concentration of toner of the developer carried by one of the developer carriers located at the development position.
摘要翻译： 图像形成装置包括：要在其上形成静电潜像的图像载体; 旋转显影单元，其具有携带用于显影静电潜像的显影剂的多个显影剂载体，显影剂包括调色剂，多个显影剂载体顺序地移动到与图像载体相对的显影位置，以切换显影 颜色; 以及调色剂浓度检测单元，其检测由位于显影位置的显影剂载体之一承载的显影剂的调色剂浓度。
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公开(公告)号：US20060291879A1
公开(公告)日：2006-12-28
申请号：US11392554
申请日：2006-03-30
CPC分类号： G03G15/0163 , G03G15/0121 , G03G2215/00063 , G03G2215/0177
摘要： An image forming apparatus includes an image carrier on which an electrostatic latent image is formed, a rotary developing device having N developer carriers on an rotation orbit and moving the N developer carriers to a development position opposite to the image carrier, and a toner concentration sensor that measures toner concentrations of the developers. A measurement position of the toner concentration sensor is set on a second virtual straight line having a first angle toward a first virtual straight line that connects a rotation center of the rotary developing device and the development position. The N developer carriers are placed in turn in an order at the same angular interval as the first angle, and an angular interval between the N-th and first developer carriers is set to a second angle greater than the first angle.
摘要翻译： 图像形成装置包括其上形成有静电潜像的图像载体，在旋转轨道上具有N个显影剂载体并将N个显影剂载体移动到与图像载体相对的显影位置的旋转显影装置，以及调色剂浓度传感器 它可以测量开发商的调色剂浓度。 调色剂浓度传感器的测量位置被设置在与连接旋转显影装置的旋转中心和显影位置的第一虚拟直线具有第一角度的第二虚拟直线上。 N个显影剂载体依次以与第一角度相同的角度间隔依次放置，并且第N显影剂载体与第一显影剂载体之间的角度间隔设定为大于第一角度的第二角度。
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公开(公告)号：US07929870B2
公开(公告)日：2011-04-19
申请号：US12114051
申请日：2008-05-02
CPC分类号： G03G15/0877 , G03G2215/0888
摘要： An image forming apparatus includes: an image carrying member; a developing unit that develops an electrostatic latent image formed on the image carrying member using toner; a toner dispensing unit that dispenses the toner to the developing unit; and a toner dispense control unit that controls the toner dispensing unit in accordance with an operation speed of the developing unit or the image carrying member.
摘要翻译： 图像形成装置包括：图像承载构件; 显影单元，其使用调色剂显影形成在所述图像承载构件上的静电潜像; 调色剂分配单元，其将调色剂分配到显影单元; 以及调色剂分配控制单元，其根据显影单元或图像承载构件的操作速度来控制调色剂分配单元。
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