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    • 1. 发明授权
    • Developing device and image forming apparatus
    • 显影装置和图像形成装置
    • US08472847B2
    • 2013-06-25
    • US12975897
    • 2010-12-22
    • Yasufumi Kayahara
    • Yasufumi Kayahara
    • G03G15/08
    • G03G15/0822G03G2215/0802G03G2215/0822
    • Provided is a developing device capable of, with a simple structure, preventing occurrence of image degradation ascribable to a distribution of an amount of fall in a longitudinal direction due to developer replenishment within a developer container. An upper rim portion of a developer regulating wall for adjusting an amount of a developer falling along a developer transport direction of a developer transport path is inclined so as to become low in height in the developer transport direction of the developer transport path. A width of a surface in the developer transport direction of the developer transport path is enlarged along the developer transport direction of the developer transport path. A wall is formed by the developer transported on the developer transport path, and the developer transported in a longitudinal direction is transported in the longitudinal direction while breaking a wall of the developer itself.
    • 提供一种显影装置,其结构简单,可以防止由于显影剂容器内的显影剂补充而导致纵向上的下降量的分布的图像劣化的发生。 用于调节沿显影剂传送路径的显影剂输送方向下落的显影剂量的显影剂调节壁的上边缘部分倾斜,使得在显影剂传送路径的显影剂传送方向上的高度变小。 显影剂输送路径的显影剂输送方向的表面的宽度沿显影剂输送路径的显影剂输送方向扩大。 由在显影剂输送路径上输送的显影剂形成壁,沿长度方向输送的显影剂沿纵向方向输送,同时破坏显影剂本身的壁。
    • 7. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US08787779B2
    • 2014-07-22
    • US13268157
    • 2011-10-07
    • Yasufumi Kayahara
    • Yasufumi Kayahara
    • G03G15/08
    • G03G15/086
    • An image forming apparatus which has an improved follow-up property indicating how a toner supply amount follows a toner consumption amount to prevent a defective image, including: a photosensitive drum; a developing device; a toner replenishing device; a toner sensor configured to detect a toner amount inside the developing device; and a controller configured to drive the toner replenishing device to replenish the developing device with toner based on a detection result of the sensor during a developing device driving time and to stop the toner replenishing device during a non-image forming period to stop replenishing the developing device with toner, wherein if the toner amount inside the developing device detected by the sensor is reduced to a level equal to or lower than a predetermined threshold value, the controller drives the developing device and the toner replenishing device even during the non-image forming period.
    • 一种图像形成装置,其具有改进的跟踪特性,指示调色剂供应量如何跟随调色剂消耗量以防止缺陷图像,包括:感光鼓; 显影装置; 调色剂补充装置; 配置成检测显影装置内的调色剂量的调色剂传感器; 以及控制器,被配置为在显影装置驱动时间期间基于传感器的检测结果驱动调色剂补充装置补充显影装置,并且在非图像形成期间停止调色剂补充装置,以停止补充显影 具有调色剂的装置,其中如果由传感器检测到的显影装置内的调色剂量降低到等于或低于预定阈值的水平,则即使在非图像形成期间,控制器也驱动显影装置和调色剂补充装置 期。
    • 8. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20120106990A1
    • 2012-05-03
    • US13268157
    • 2011-10-07
    • Yasufumi KAYAHARA
    • Yasufumi KAYAHARA
    • G03G15/08
    • G03G15/086
    • An image forming apparatus which has an improved follow-up property indicating how a toner supply amount follows a toner consumption amount to prevent a defective image, including: a photosensitive drum; a developing device; a toner replenishing device; a toner sensor configured to detect a toner amount inside the developing device; and a controller configured to drive the toner replenishing device to replenish the developing device with toner based on a detection result of the sensor during a developing device driving time and to stop the toner replenishing device during a non-image forming period to stop replenishing the developing device with toner, wherein if the toner amount inside the developing device detected by the sensor is reduced to a level equal to or lower than a predetermined threshold value, the controller drives the developing device and the toner replenishing device even during the non-image forming period.
    • 一种图像形成装置,其具有改进的跟踪特性,指示调色剂供应量如何跟随调色剂消耗量以防止缺陷图像,包括:感光鼓; 显影装置; 调色剂补充装置; 配置成检测显影装置内的调色剂量的调色剂传感器; 以及控制器,被配置为在显影装置驱动时间期间基于传感器的检测结果驱动调色剂补充装置补充显影装置,并且在非图像形成期间停止调色剂补充装置,以停止补充显影 具有调色剂的装置,其中如果由传感器检测到的显影装置内的调色剂量降低到等于或低于预定阈值的水平,则即使在非图像形成期间,控制器也驱动显影装置和调色剂补充装置 期。
    • 9. 发明申请
    • DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
    • 开发设备和图像形成装置
    • US20110176838A1
    • 2011-07-21
    • US12975897
    • 2010-12-22
    • Yasufumi KAYAHARA
    • Yasufumi KAYAHARA
    • G03G15/08
    • G03G15/0822G03G2215/0802G03G2215/0822
    • Provided is a developing device capable of, with a simple structure, preventing occurrence of image degradation ascribable to a distribution of an amount of fall in a longitudinal direction due to developer replenishment within a developer container. An upper rim portion of a developer regulating wall for adjusting an amount of a developer falling along a developer transport direction of a developer transport path is inclined so as to become low in height in the developer transport direction of the developer transport path. A width of a surface in the developer transport direction of the developer transport path is enlarged along the developer transport direction of the developer transport path. A wall is formed by the developer transported on the developer transport path, and the developer transported in a longitudinal direction is transported in the longitudinal direction while breaking a wall of the developer itself.
    • 提供一种显影装置,其结构简单,可以防止由于显影剂容器内的显影剂补充而导致纵向上的下降量的分布的图像劣化的发生。 用于调节沿显影剂传送路径的显影剂输送方向下落的显影剂量的显影剂调节壁的上边缘部分倾斜,使得在显影剂传送路径的显影剂传送方向上的高度变小。 显影剂输送路径的显影剂输送方向的表面的宽度沿显影剂输送路径的显影剂输送方向扩大。 由在显影剂输送路径上输送的显影剂形成壁,沿长度方向输送的显影剂沿纵向方向输送,同时破坏显影剂本身的壁。