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    • 44. 发明授权
    • Image forming apparatus featuring supply of developers having different toner ratios
    • 图像形成装置具有不同调色剂比的显影剂供应
    • US08532538B2
    • 2013-09-10
    • US13020226
    • 2011-02-03
    • Ryo Inoue
    • Ryo Inoue
    • G03G15/08
    • G03G15/0877G03G15/0849G03G15/0856G03G15/0879G03G15/0893
    • A developing device includes a developer carrying member; a first feeding path in which a developer is to be supplied and fed to the developer carrying member at a position in which the first feeding path opposes the developer carrying member; a second feeding path, communicating with the first feeding path, for forming a circulation path with the first feeding path; a discharge opening for permitting discharge of an excessive developer in the developing device; a first supply opening, located downstream of the first feeding path opposing the developer carrying member with respect to a developer feeding direction and located upstream of the discharge opening with respect to the developer feeding direction, for permitting supply of a first developer containing at least toner; and a second supply opening, located upstream of the first feeding path with respect to the developer feeding direction and located downstream of the discharge opening with respect to the developer feeding direction, for permitting supply of a second developer which has a toner ratio lower than that of the first developer or is consisting only of a carrier.
    • 显影装置包括显影剂承载构件; 第一馈送路径,其中显影剂将被供应并且在第一馈送路径与显影剂承载构件相对的位置处被馈送到显影剂承载构件; 第二供给路径,与第一供给路径连通,与第一供给路径形成循环路径; 用于允许在显影装置中排出过量显影剂的排出口; 第一供给开口,位于第一供给路径的下游,相对于显影剂供给方向与显影剂承载构件相对,并且相对于显影剂供给方向位于排出口的上游,用于允许供给至少包含至少调色剂的第一显影剂 ; 以及第二供给开口,其相对于显影剂供给方向位于第一供给路径的上游并且相对于显影剂供给方向位于排出口的下游,用于允许供给具有低于其的调色剂比率的第二显影剂。 的第一批开发商或仅由承运人组成。
    • 46. 发明授权
    • Image forming apparatus with a control unit that controls a charging bias voltage
    • 具有控制单元的图像形成装置,其控制充电偏压
    • US08023845B2
    • 2011-09-20
    • US11939951
    • 2007-11-14
    • Ryo Inoue
    • Ryo Inoue
    • G03G15/02
    • G03G21/06G03G15/0216G03G2215/021
    • An image forming apparatus includes a movable image bearing member; charging means for electrically charging the image bearing member; voltage applying means for applying to the charging means an oscillating voltage including an oscillating component and a constant component in one cycle; discharging means for selectively discharging an electrically charged surface of the image bearing member to form an electrostatic latent image; and changing means for changing an application time of the constant component during the one cycle depending on a spatial frequency, with respect to a movement direction of the image bearing member, of the electrostatic latent image to be formed.
    • 图像形成装置包括可动图像承载部件; 用于对图像承载部件进行充电的充电装置; 电压施加装置,用于在一个周期中向充电装置施加包括振荡分量和恒定分量的振荡电压; 放电装置,用于选择性地放电图像承载部件的带电表面以形成静电潜像; 以及改变装置,用于根据要形成的静电潜像相对于图像承载部件的移动方向的空间频率来改变在一个周期期间的常数分量的施加时间。