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    Image forming apparatus and image density control method
    5.
    发明授权
    Image forming apparatus and image density control method 有权
    图像形成装置和图像浓度控制方法

    公开(公告)号：US08045874B2

    公开(公告)日：2011-10-25

    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。

    IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD
    6.
    发明申请
    IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD 有权
    图像形成装置和图像密度控制方法

    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。

    Optical sensor and image forming apparatus
    9.
    发明授权
    Optical sensor and image forming apparatus 失效
    光学传感器和成像设备

    公开(公告)号：US08455851B2

    公开(公告)日：2013-06-04

    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： G01N21/55 ,  G03G15/00

    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。

    IMAGE FORMING APPARATUS AND METHOD FOR CONTROLLING IMAGE DENSITY THEREIN
    10.
    发明申请
    IMAGE FORMING APPARATUS AND METHOD FOR CONTROLLING IMAGE DENSITY THEREIN 有权
    图像形成装置和控制图像密度的方法

    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。