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    • 8. 发明授权
    • Optical scanner, image forming apparatus, and image forming method
    • 光学扫描仪,图像形成装置和图像形成方法
    • US08274538B2
    • 2012-09-25
    • US12360925
    • 2009-01-28
    • Masanori Okada
    • Masanori Okada
    • B41J2/435B41J2/48G01D15/14
    • G03G15/043G03G15/0435G03G15/326G06K15/1214G06K15/1219
    • The emission intensity of a laser beam source, at a time when a laser beam emitted from the laser beam source and scanned by an optical scanning device becomes incident to a laser beam detector provided in a predetermined position on the scanning path of the laser beam in order to hold a position of an electrostatic latent image formed on a photoreceptor constant in the main scanning direction, while at the same time, changing the emission intensity of the laser beam, is set so as to become the consistently same emission intensity regardless of a change in emission intensity at the time of electrostatic latent image formation onto a photoreceptor. This allows the detection timing of a laser beam by a laser beam detector to be kept constant.
    • 激光束源的发射强度在从激光束源发射并被光学扫描装置扫描的激光束入射到设置在激光束的扫描路径上的预定位置的激光束检测器的时刻 为了保持在主扫描方向上形成在感光体上的静电潜像的位置,同时将改变激光束的发射强度的同时设定为一致地发射强度,而不管 在静电潜像形成时对感光体的发射强度的变化。 这允许激光束检测器的激光束的检测定时保持恒定。
    • 10. 发明申请
    • DEVELOPER DEVICE, IMAGE FORMING APPARATUS, AND TONER REPLENISHMENT METHOD
    • 开发者设备,图像形成装置和调色剂补偿方法
    • US20100129092A1
    • 2010-05-27
    • US12621566
    • 2009-11-19
    • Masanori Okada
    • Masanori Okada
    • G03G15/08
    • G03G15/0868G03G15/0849G03G15/0851
    • A differential sensitivity calculation portion calculates the differential sensitivity D of a toner concentration sensor, using an output voltage V1 and V2 of the toner concentration sensor when a toner chamber is in a state of toner concentration T1 and T2 at the time of initial operation of a printer, or at some other time. A toner replenishment control portion takes as input a current output voltage Vs output from the toner concentration sensor, calculates the toner concentration in the toner chamber using the output voltage Vs and the differential sensitivity D calculated by the differential sensitivity calculation portion, and outputs a control signal to a toner replenishment motor so as to maintain the toner concentration in the toner chamber at an appropriate concentration.
    • 差分灵敏度计算部分在调色剂浓度传感器的调色剂浓度T1和T2的状态下,使用调色剂浓度传感器的输出电压V1和V2时,计算出调色剂浓度传感器的差分敏感度D 打印机,或在其他时间。 调色剂补充控制部分将从调色剂浓度传感器输出的电流输出电压Vs作为输入,使用由差分灵敏度计算部分计算的输出电压Vs和差分灵敏度D计算调色剂室中的调色剂浓度,并输出控制 向调色剂补充电机发出信号,以使调色剂室中的调色剂浓度保持在适当的浓度。