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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：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：US07623799B2
公开(公告)日：2009-11-24
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.
摘要翻译： 图像形成装置包括：旋转单元，具有围绕旋转轴设置的多个显影装置，所述显影装置包括构成单元，其中所述显影装置移动到显影装置顺序地与图像载体相对的显影位置 通过旋转单元的旋转，并且显影位置的显影装置在图像载体上显影静电潜像，状态检测单元设置在旋转单元的圆周上方的位置，该位置不同于显影 并且检测显影装置的状态和显影装置的构成单元的状态中的至少一个; 以及旋转控制单元，其控制旋转单元以执行旋转单元的旋转，用于将显影装置顺序地移动到显影位置和旋转单元的旋转，以在相同的旋转期间顺序地将显影装置移动到检测位置。
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公开(公告)号：US07536116B2
公开(公告)日：2009-05-19
申请号：US11350034
申请日：2006-02-09
CPC分类号： G03G15/0152 , G03G15/0121 , G03G15/0173 , G03G15/55 , G03G15/553 , G03G2215/0177
摘要： An image forming apparatus includes a rotary unit that has a rotary shaft, and a plurality of development devices each of which has a constituent unit, the development devices provided around the rotary shaft; and a plurality of state detection units that detects at least one of states of the development devices and states of the constituent unit; wherein the rotary unit is rotated so that the development devices sequentially pass a development position facing a photosensitive member; wherein when any of the development devices is located at the development position, the development device makes an electrostatic latent image on the photosensitive member visible; and wherein each of the state detection units detects at least one of the development devices and the states of the constituent unit during a single stop of rotation of the rotary unit.
摘要翻译： 图像形成装置包括具有旋转轴的旋转单元和具有构成单元的多个显影装置，设置在旋转轴周围的显影装置; 以及多个状态检测单元，其检测所述显影装置的状态和所述构成单元的状态中的至少一个; 其中所述旋转单元被旋转，使得所述显影装置顺序地通过面向感光构件的显影位置; 其中当所述显影装置中的任何一个位于所述显影位置时，所述显影装置使所述感光构件上的静电潜像可见; 并且其中每个所述状态检测单元在所述旋转单元的单次旋转停止期间检测所述显影装置中的至少一个和所述构成单元的状态。
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