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    • 3. 发明授权
    • Image forming apparatus which sets fixing roller speed depending on the
number of copies on the transfer drum
    • 图像形成装置,其根据转印鼓上的份数设定定影辊速度
    • US5075732A
    • 1991-12-24
    • US573710
    • 1990-08-28
    • Takeshi Menjo
    • Takeshi Menjo
    • G03G15/01G03G15/16G03G15/20
    • G03G15/2064G03G15/1655G03G2215/2045
    • An image forming apparatus includes an image bearing member; a device for forming an image on the image bearing member; a device for transferring the image from the image bearing member to an image receiving material, the transfer device including a device for carrying the image receiving material to an image transfer position where the image transfer device is operable, and the carrying device is capable of supporting plural image receiving materials simultaneously; a device for fixing the image having been transferred onto the image receiving material, the fixing device being selectively operable at a first fixing speed and a second fixing speed which is lower than the first fixing speed; wherein when the fixing device operates at the second fixing speed, the carrying device carries only one image receiving material.
    • 图像形成装置包括:图像承载部件; 用于在图像承载部件上形成图像的装置; 用于将图像从图像承载部件传送到图像接收材料的装置,所述传送装置包括用于将图像接收材料传送到图像传送装置可操作的图像传送位置的装置,并且所述传送装置能够支撑 多个图像接收材料同时进行; 用于固定已经转印到图像接收材料上的图像的装置,所述定影装置可选择性地以第一定影速度和低于第一定影速度的第二定影速度操作; 其中当定影装置以第二定影速度工作时,承载装置仅承载一个图像接收材料。
    • 7. 发明授权
    • Image forming apparatus having a plurality of developing means
    • 具有多个显影装置的图像形成装置
    • US5636010A
    • 1997-06-03
    • US578447
    • 1995-12-26
    • Toshimitsu DanzukaTakeshi MenjoTakao Ogata
    • Toshimitsu DanzukaTakeshi MenjoTakao Ogata
    • G03G15/01G03G15/08G03G15/16G03G15/14
    • G03G15/0131G03G15/0173G03G15/0163G03G2215/0174
    • An image forming apparatus has a movable image bearing member, a plurality of developing devices operable for development at different locations along the direction of movement of the image bearing member to develop the image bearing member with toners of plural colors, and a transfer medium carrying member for carrying a transfer medium thereon and conveying the transfer medium to a transfer position. The toner images of plural colors on the image bearing member are superposition-transferred onto the transfer medium carried on the transfer medium carrying member. The transfer medium carrying member is capable of carrying a plurality of transfer mediums at different locations thereon. When the maximum length of the respective gaps between adjacent ones of the plurality of developing devices along the direction of movement of the image bearing member is D, the peripheral velocity of the transfer medium carrying member is U, and the peripheral velocity of the image bearing member is V, at least one of the gaps between adjacent ones of the plurality of transfer mediums carried on the transfer medium carrying member is greater than D.times.U/V.
    • 图像形成装置具有可移动图像承载部件,多个显影装置,可操作用于沿着图像承载部件的移动方向在不同位置显影,以使具有多种颜色的调色剂显影图像承载部件,以及转印介质承载部件 用于在其上承载转印介质并将转印介质输送到转印位置。 图像承载部件上的多种颜色的调色剂图像被叠加转印到承载在转印介质承载部件上的转印介质上。 转印介质承载构件能够在其上的不同位置承载多个转印介质。 当沿着图像承载部件的移动方向相邻的多个显影装置之间的相应间隙的最大长度为D时,转印介质承载部件的圆周速度为U,图像承载部件的圆周速度 构件是V,承载在传送介质承载构件上的多个传送介质中相邻的传送介质之间的间隙中的至少一个大于DxU / V。
    • 8. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US5559587A
    • 1996-09-24
    • US469422
    • 1995-06-06
    • Takao OgataTakeshi Menjo
    • Takao OgataTakeshi Menjo
    • G03G15/00G03G21/00
    • G03G15/5041G03G2215/00042
    • An image forming apparatus including a rotatable member having an image bearing portion on the surface thereof, image forming device for forming a toner image on the surface of the rotatable member, detecting device for detecting the density of the toner image formed on the surface of the rotatable member under predetermined image forming conditions, and control device for controlling the image forming conditions of the image forming device on the basis of the detection output of the detecting device. The apparatus further includes a memory for storing therein the eccentricity data of the rotatable member, and correcting device for correcting the detection output of the detecting device.
    • 一种图像形成装置,包括在其表面上具有图像承载部分的可旋转构件,用于在可旋转构件的表面上形成调色剂图像的图像形成装置,用于检测形成在可旋转构件表面上的调色剂图像的浓度的检测装置 以及用于根据检测装置的检测输出来控制图像形成装置的图像形成条件的控制装置。 该装置还包括用于在其中存储可旋转构件的偏心数据的存储器和用于校正检测装置的检测输出的校正装置。