公开(公告)号：US20160131991A1

公开(公告)日：2016-05-12

申请号：US14877502

申请日：2015-10-07

申请人： Akira YOSHIDA ,  Kohta Fujimori ,  Kayoko Tanaka ,  Natsumi Matsue ,  Kazufumi Kimura

发明人： Akira YOSHIDA ,  Kohta Fujimori ,  Kayoko Tanaka ,  Natsumi Matsue ,  Kazufumi Kimura

IPC分类号： G03G15/00

CPC分类号： G03G15/0862 ,  G03G15/5058

摘要： An image forming apparatus includes a developer bearer and a toner pattern bearer rotatable in a given direction of rotation to bear an adjustment toner pattern formed with the developer bearer. A toner pattern detector detects an amount of reflection light reflected by the adjustment toner pattern on the toner pattern bearer. A controller performs an adjustment mode to convert the detected amount of reflection light into a toner adhesion amount of toner of the adjustment toner pattern adhered to the toner pattern bearer. The controller forms an adhesion amount suppressing toner image on an upstream region on the toner pattern bearer that is upstream from the adjustment toner pattern in the direction of rotation of the toner pattern bearer. The upstream region is defined by a circumferential length of the developer bearer in the direction of rotation of the toner pattern bearer.

摘要翻译： 图像形成装置包括显影剂载体和可在给定旋转方向上旋转的调色剂图案承载件，以承载与显影剂载体形成的调节调色剂图案。 调色剂图案检测器检测由调色剂图案承载体上的调节调色剂图案反射的反射光量。 控制器执行调整模式以将检测到的反射光量转换成粘附到调色剂图案承载体上的调节调色剂图案的调色剂附着量。 控制器在调色剂图案承载体上的调色剂图案承载体的上游区域上形成粘合量，该调色剂图像在调色剂图案的调色剂图案载体的旋转方向上游。 上游区域由调色剂图案承载体的旋转方向上的显影剂载体的周向长度限定。

公开(公告)号：US20160378040A1

公开(公告)日：2016-12-29

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

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.

摘要翻译： 图像形成装置包括图像载体，图像形成装置，用于在图像载体上形成调色剂图像，将调色剂图像转印到记录介质的转印装置，作为图像浓度传感器的线传感器，以检测图像密度 调色剂图像和可操作地连接到图像浓度传感器的控制器。 图像浓度传感器被设置为在图像承载体的旋转方向上比垂直于图像承载体的旋转方向的图像载体的宽度方向更短。 控制器在图像载体上形成包括多个斑块的阴影图案图像，并且检测多个斑块的图像浓度，以便控制图像浓度。 阴影图案图像在图像承载的旋转方向上比在图像承载的宽度方向上更短。

公开(公告)号：US20100226664A1

公开(公告)日：2010-09-09

申请号：US12714790

申请日：2010-03-01

申请人： Akira YOSHIDA ,  Nobutaka Takeuchi ,  Shin Hasegawa ,  Yoshiaki Miyashita ,  Kohta Fujimori ,  Kayoko Tanaka

发明人： Akira YOSHIDA ,  Nobutaka Takeuchi ,  Shin Hasegawa ,  Yoshiaki Miyashita ,  Kohta Fujimori ,  Kayoko Tanaka

IPC分类号： G03G15/08

CPC分类号： G03G15/0851 ,  G03G15/0849 ,  G03G15/0853 ,  G03G2215/0607

摘要： An image forming apparatus includes a developer unit to store two-component developer which includes toner and carrier and develop an electrostatic latent image formed on the image carrier, a toner concentration detector to detect toner concentration in the developer unit, a toner supply unit to supply toner to the developer unit, and a controller to control toner supply amount by controlling the toner supply unit by comparing an output value of the toner concentration detector with a reference value stored in a memory and correcting difference between output values of the toner concentration detector at two or more process linear velocities in accordance with the toner concentration in the developer unit. A compensation amount for correcting difference between output values of the toner concentration detector that differ depending on the process linear velocity is adjustable in accordance with the toner concentration in the development unit.

摘要翻译： 图像形成装置包括：显影单元，用于存储包括调色剂和载体的双组分显影剂，并显影形成在图像载体上的静电潜像;调色剂浓度检测器，用于检测显影单元中的调色剂浓度;调色剂供应单元， 调色剂到显影剂单元，以及控制器，通过将调色剂浓度检测器的输出值与存储在存储器中的参考值进行比较来控制调色剂供应单元来控制调色剂供应量，并且校正调色剂浓度检测器的输出值之间的差异 根据显影剂单元中的调色剂浓度的两个或多个过程线速度。 用于校正根据处理线速度不同的调色剂浓度检测器的输出值之差的补偿量根据显影单元中的调色剂浓度而调节。

公开(公告)号：US20090324267A1

公开(公告)日：2009-12-31

申请号：US12482782

申请日：2009-06-11

申请人： Akira YOSHIDA ,  Shin Hasegawa ,  Hitoshi Ishibashi ,  Yoshiaki Miyashita ,  Kohta Fujimori ,  Nobutaka Takeuchi ,  Shuji Hirai ,  Kayoko Tanaka ,  Yushi Hirayama ,  Tetsuya Muto

发明人： Akira YOSHIDA ,  Shin Hasegawa ,  Hitoshi Ishibashi ,  Yoshiaki Miyashita ,  Kohta Fujimori ,  Nobutaka Takeuchi ,  Shuji Hirai ,  Kayoko Tanaka ,  Yushi Hirayama ,  Tetsuya Muto

IPC分类号： G03G15/00

CPC分类号： G03G15/5058 ,  G03G15/0131 ,  G03G2215/00059 ,  G03G2215/00063

摘要： An image forming apparatus forms a plurality of tone patterns of different colors, each of which containing a plurality of toner patches having different toner densities. Some of the toner patches in each of the tone patterns are formed with a predetermined fixed developing bias and the rest of the toner patches in each of the tone patterns are formed with developing biases set based on previous developing biases that have been obtained through a previous control process. The largest toner density of the toner patches in each of the tone patterns is determined based on a magnitude relation of previous index values obtained through the previous control process.

摘要翻译： 图像形成装置形成不同颜色的多个色调图案，每个色调图案包含具有不同调色剂浓度的多个调色剂贴片。 每个色调图案中的一些调色剂贴片以预定的固定的显影偏压形成，并且每个色调图案中的其余调色剂贴片形成有基于先前显影偏差设定的显影偏压， 控制过程。 基于通过先前的控制处理获得的先前指标值的大小关系确定每个色调图案中的调色剂贴片中最大的调色剂浓度。

公开(公告)号：US20090279907A1

公开(公告)日：2009-11-12

申请号：US12431243

申请日：2009-04-28

申请人： Kayoko TANAKA ,  Shin HASEGAWA ,  Hitoshi ISHIBASHI ,  Shuji HIRAI ,  Kohta FUJIMORI ,  Nobutaka TAKEUCHI ,  Yushi HIRAYAMA ,  Akira YOSHIDA

发明人： Kayoko TANAKA ,  Shin HASEGAWA ,  Hitoshi ISHIBASHI ,  Shuji HIRAI ,  Kohta FUJIMORI ,  Nobutaka TAKEUCHI ,  Yushi HIRAYAMA ,  Akira YOSHIDA

IPC分类号： G03G15/08

CPC分类号： G03G15/0849 ,  G03G15/0853 ,  G03G15/0894 ,  G03G2215/0888 ,  G03G2221/163

摘要： In a reuse method for reusing a reusable device and a sensor of a first image forming apparatus having a first process linear velocity in a second image forming apparatus having at least one second process linear velocity different from the first process linear velocity, the reusable device and the sensor are installed in the first image forming apparatus, and when the first image forming apparatus switches from the first process linear velocity to the second process linear velocity at an initial state before the reusable device is used, output of the sensor at the second process linear velocity is measured. When information on the output of the sensor at the second process linear velocity is stored, the reusable device and the sensor are removed from the first image forming apparatus and installed in the second image forming apparatus.

摘要翻译： 在一种用于在具有至少一个不同于第一处理线速度的至少一个第二处理线速度的第二图像形成装置中重复使用具有第一处理线速度的第一成像装置的可重复使用装置和传感器的再利用方法中，所述可重复使用装置和 传感器安装在第一图像形成装置中，并且当第一图像形成装置在使用可再利用装置之前的初始状态下从第一处理线速度切换到第二处理线速度时，在第二处理时输出传感器 测量线速度。 当存储关于第二处理线速度的传感器的输出的信息时，从第一图像形成装置移除可再利用装置和传感器并安装在第二图像形成装置中。

公开(公告)号：US20110052239A1

公开(公告)日：2011-03-03

申请号：US12856114

申请日：2010-08-13

申请人： Kayoko TANAKA ,  Kohta FUJIMORI ,  Shin HASEGAWA ,  Yoshiaki MIYASHITA ,  Nobutaka TAKEUCHI ,  Akira YOSHIDA

发明人： Kayoko TANAKA ,  Kohta FUJIMORI ,  Shin HASEGAWA ,  Yoshiaki MIYASHITA ,  Nobutaka TAKEUCHI ,  Akira YOSHIDA

IPC分类号： G03G15/00 ,  G01N21/55

CPC分类号： G03G15/5058 ,  G03G15/0131 ,  G03G2215/00059

摘要： An optical sensor includes: a light-emitting unit; a light-receiving unit that receives light radiated from the light-emitting unit and reflected from a detection target and that outputs an output value in response to the light received; and a correcting unit that corrects the output value of the light-receiving unit when receiving the light reflected from the detection target based on the output value of the light-receiving unit obtained by irradiating a detection area of the optical sensor with light without any light reflective objects being present in the detection area.

摘要翻译： 光学传感器包括：发光单元; 光接收单元，其接收从所述发光单元辐射并从检测对象反射的光并响应于所接收的光而输出输出值; 以及校正单元，其基于通过用光照射光传感器的检测区域而获得的光接收单元的输出值来接收从所述检测对象反射的光而校正所述受光单元的输出值，而没有任何光 反射物体存在于检测区域中。

公开(公告)号：US20090202263A1

公开(公告)日：2009-08-13

申请号：US12367736

申请日：2009-02-09

申请人： Akira YOSHIDA ,  Shin Hasegawa ,  Hitoshi Ishibashi ,  Yoshiaki Miyashita ,  Kohta Fujimori ,  Nobutaka Takeuchi ,  Kayoko Tanaka ,  Yushi Hirayama ,  Tetsuya Muto

发明人： Akira YOSHIDA ,  Shin Hasegawa ,  Hitoshi Ishibashi ,  Yoshiaki Miyashita ,  Kohta Fujimori ,  Nobutaka Takeuchi ,  Kayoko Tanaka ,  Yushi Hirayama ,  Tetsuya Muto

IPC分类号： G03G15/00 ,  G03G15/06

CPC分类号： G03G15/0131 ,  G03G15/5058 ,  G03G2215/00037 ,  G03G2215/00042 ,  G03G2215/00059 ,  G03G2215/00063

摘要： An image forming apparatus includes a control device that calculates a developing ability of the developing device based on a detection value detected by an optical detection device from the plural toner patches. The control device adjusts an image formation condition based on the calculated developing ability. A factor detection device is provided to detect a contributing factor that causes the developing ability to largely change after the last adjustment of the image formation condition. The control device controls image formation such that when the factor detection device does not detect the contribution factor and a developing ability calculated this time is different from that calculated last time (as to a part of the plural toner patches), the plural toner patches are formed based on a prescribed fixed image formation condition so that an attraction amount of toner attracting to the plural toner patches enter a prescribed range detectable for the optical detection device. The remaining toner patches are formed (based on an image formation condition determined) in accordance with the image formation condition previously adjusted. When the detection device detects the contribution factor, the entire toner patches are formed based on the prescribed fixed condition.

摘要翻译： 图像形成装置包括控制装置，其基于来自多个调色剂贴片的由光学检测装置检测的检测值来计算显影装置的显影能力。 控制装置基于计算出的显影能力来调整图像形成条件。 提供了一种因素检测装置，用于检测在最后一次调整图像形成条件之后导致显影能力发生很大变化的因素。 控制装置控制图像形成，使得当因子检测装置未检测到贡献因子，并且此次计算的显影能力与上次计算的不同（关于多个调色剂片的一部分）时，多个调色剂片是 基于规定的固定图像形成条件形成，使得吸引到多个调色剂贴片的调色剂的吸引量进入可检测的用于光学检测装置的规定范围。 根据先前调整的图像形成条件形成剩余调色剂片（基于确定的图像形成条件）。 当检测装置检测到贡献因子时，根据规定的固定条件形成整个调色剂贴片。

公开(公告)号：US20170108808A1

公开(公告)日：2017-04-20

申请号：US15274366

申请日：2016-09-23

申请人： Natsumi MATSUE ,  Akira YOSHIDA ,  Akio KOSUGE ,  Yoichi SAKURAI ,  Yuuichiroh UEMATSU ,  Keiko MATSUMOTO

发明人： Natsumi MATSUE ,  Akira YOSHIDA ,  Akio KOSUGE ,  Yoichi SAKURAI ,  Yuuichiroh UEMATSU ,  Keiko MATSUMOTO

IPC分类号： G03G15/00

CPC分类号： G03G15/5041 ,  G03G15/5058

摘要： An image forming apparatus includes a rotatable image bearer, a toner image forming device, an image reader, and a control unit. The toner image forming device forms a test toner image on the image bearer. The image reader reads the test toner image and a predetermined reference member. The control unit calculates an amount of toner contained in the test toner image based on image data from the test toner image. Based on image data from the reference member, the control unit selects a position of a pixel to be used for calculation of the amount of toner contained in the test toner image from pixels included in the image data from the reference member, to calculate the amount of toner contained in the test toner image from data of a pixel located at the position thus selected among pixels included in the image data from the test toner image.

公开(公告)号：US20080290811A1

公开(公告)日：2008-11-27

申请号：US11935785

申请日：2007-11-06

申请人： Akira YOSHIDA

发明人： Akira YOSHIDA

IPC分类号： H05B37/02

CPC分类号： H02M3/156 ,  H02M2001/0022 ,  H05B41/2886 ,  Y02B20/202

摘要： A switching element is switched at a high frequency in accordance with control by a pulse generating circuit by using a D.C. power source portion as a power source, which results in that a discharge lamp is driven with a D.C. current through a smoothing circuit. A current detecting resistor detects the lamp current caused to flow through the discharge lamp, a current controlling circuit amplifies a deviation between the detected lamp current value and a preset current reference value, and the resulting value is applied to a feedback terminal (F/B) of the pulse generating circuit through a gain setting circuit. A gain changing circuit changes a loop gain of a feedback control system including the switching element, the smoothing circuit, the discharge lamp, and the pulse generating circuit at an output point of the gain setting circuit in correspondence to a fluctuation in a power source voltage (Vp) from the D.C. power source portion.

摘要翻译： 根据通过使用直流电源部作为电源的脉冲发生电路的控制，开关元件以高频率切换，这导致放电灯通过平滑电路以直流电流驱动。 电流检测电阻检测通过放电灯流动的灯电流，电流控制电路放大检测到的灯电流值与预设电流基准值之间的偏差，并将所得值施加到反馈端子（F / B ）通过增益设置电路。 增益改变电路根据电源电压的波动在增益设定电路的输出点改变包括开关元件，平滑电路，放电灯和脉冲发生电路的反馈控制系统的环路增益 （Vp）。

公开(公告)号：US20080150441A1

公开(公告)日：2008-06-26

申请号：US11935526

申请日：2007-11-06

申请人： Akira YOSHIDA

发明人： Akira YOSHIDA

IPC分类号： H05B37/02

CPC分类号： H05B41/2886 ,  H04N9/3155 ,  H05B41/38 ,  Y02B20/202

摘要： A D.C. voltage from a D.C. power source portion is switched at a predetermined duty and oscillation frequency by a switching element in accordance with a high-frequency pulse from a pulse generating circuit. After the resulting output current is smoothed by a smoothing circuit, the smoothed current is supplied to a discharge lamp. The pulse generating circuit operates so that the duty is controlled in accordance with an output from a current controlling circuit which operates in accordance with a feedback signal from a current detecting resistor, and an oscillation frequency is temporarily held high in accordance with an output from a pulse frequency-changing circuit which operates in accordance with a frequency command (Cf) outputted for a partial period, t, of time within a period, T, of time for display a green display color.

摘要翻译： 来自直流电源部的直流电压根据来自脉冲发生电路的高频脉冲，通过开关元件以预定的占空比和振荡频率切换。 在平滑电路平滑所得到的输出电流之后，将平滑的电流提供给放电灯。 脉冲发生电路工作，使得根据来自电流检测电阻器的反馈信号的电流控制电路的输出来控制占空比，并且根据来自电流检测电阻器的输出将振荡频率暂时保持为高电平 脉冲频率变化电路，其按照用于显示绿色显示颜色的时间段T内的时间段的一部分时间t输出的频率指令（C OUT）来操作。