会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明公开
    • An image forming apparatus
    • 一种图像形成设备
    • EP0367245A2
    • 1990-05-09
    • EP89120224.4
    • 1989-10-31
    • CANON KABUSHIKI KAISHA
    • Ohzeki, YukihiroHiroshima, KoichiAraya, JunjiSato, YasushiMiyamoto, ToshioNakahata, Kimio
    • G03G15/16G03G15/02
    • G03G15/1675
    • An image forming apparatus includes a movable image bearing member; an image forming device for forming an image on the image bearing member; a charging member disposed opposed to the image bearing member; and bias application device for applying a bias voltage to the charging member, wherein the bias applying device effects a constant voltage control to the charging member when an image area of the image bearing member is in a charging region of the charging member, and effects a constant current control during at least a part of a period in which an area of the image bearing member other than the image area is in the charging region, and wherein a level of a constant voltage of the constant voltage control is determined during the constant current control.
    • 一种图像形成设备包括:可移动图像承载部件; 图像形成装置,用于在图像承载部件上形成图像; 充电部件,其设置成与图像承载部件相对; 以及用于向所述充电部件施加偏压的偏压施加装置,其中当所述图像承载部件的图像区域处于所述充电部件的充电区域中时,所述偏压施加装置对所述充电部件进行恒定电压控制, 在除了图像区域之外的图像承载部件的区域处于充电区域的时段的至少一部分期间进行恒定电流控制,并且其中在恒定电流期间确定恒定电压控制的恒定电压的电平 控制。
    • 9. 发明公开
    • An image forming apparatus
    • 一种图像形成设备
    • EP0404079A2
    • 1990-12-27
    • EP90111595.6
    • 1990-06-19
    • CANON KABUSHIKI KAISHA
    • Ohzeki, YukihiroHiroshima, KoichiNishimura, YoshiakiMurata, JunAraya, JunjiIshiyama, TatsunoriSato, YasushiNakahata, Kimio
    • G03G15/16
    • G03G15/1675
    • An image forming apparatus includes a movable image bearing member (1); an image forming device (5,6) for forming an image on the image bearing member; a transfer device (2) for transferring an image from the image bearing member to a transfer material at a transfer position, wherein the transfer device is contactable to a backside of the transfer material at the transfer position and includes a charging member including a double oxide and a voltage source for applying a voltage to the charging member, and wherein the voltage source constant-voltage-controls the charging member when an image region of the image bearing member is at the transfer position, and constant-current-controls the charging member in at least a part of a period when the image region of the image bearing member is not at the transfer position, wherein a constant voltage for the constant voltage control is determined on the basis of the constant current control.
    • 一种图像形成设备,包括:可移动图像承载部件; 图像形成装置(5,6),用于在图像承载部件上形成图像; 转印装置(2),用于在转印位置将图像从图像承载部件转印到转印材料上,其中转印装置可在转印位置与转印材料的背面接触,并包括充电部件,该充电部件包括双氧化物 以及用于向所述充电部件施加电压的电压源,并且其中,当所述图像承载部件的图像区域处于所述转印位置时,所述电压源恒定电压地控制所述充电部件,并且恒定电流控制所述充电部件 在图像承载部件的图像区域未处于转印位置的期间的至少一部分期间中,基于恒定电流控制来确定用于恒定电压控制的恒定电压。