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    • 3. 发明授权
    • Photoreceptor for electrophotography
    • 电子照相感光体
    • US5381212A
    • 1995-01-10
    • US88874
    • 1993-07-08
    • Teruhiko NoguchiHiroshi KinashiJitsuo MasudaKatsushi InoueTatsuo TanakaKunio OtsukiKazuya Adachi
    • Teruhiko NoguchiHiroshi KinashiJitsuo MasudaKatsushi InoueTatsuo TanakaKunio OtsukiKazuya Adachi
    • G03G5/10G03G15/00G03G21/00G03G21/14
    • G03G15/5041G03G15/751G03G5/10G03G2215/00042
    • A photoreceptor having a marking area whose optical reflection property differs from that of a non-marking area is formed in a portion of a surface of an electrically conductive substrate. The average line of a vertical section of the non-marking area cut across the border line with the marking area is M.sub.0 and the average line of a vertical section of the marking area cut across the border line is N.sub.0 and that straight lines touching the average lines M.sub.0 and N.sub.0 at the intersection of M.sub.0 and N.sub.0 are tangent lines M.sub.1 and N.sub.1, respectively, the acute angle .theta. between M.sub.1 and N.sub.1 is within the range of 0.degree..ltoreq..theta..ltoreq.30.degree.. Setting the angle .theta. within this range enables a photoconductive layer of a uniform characteristic to be laminated on the electrically conductive substrate even when the marking area is formed on the surface of the substrate. With this arrangement, since information for optimizing the image quality of copies is obtained from the same location of a photoreceptor drum with reference to the marking area, a photoreceptor for electrophotography always produces copies of stable image quality.
    • 在导电性基板的表面的一部分形成有具有与非标记区域的光学反射特性不同的标记区域的感光体。 跨越与标记区域的边界线切割的非标记区域的垂直部分的平均线为M0,并且跨越边界线切割的标记区域的垂直截面的平均线为N0,并且直线接触平均值 M0和N0交点处的线M0和N0分别是切线M1和N1,M1和N1之间的锐角θ在0°<30°的范围内。 将角度θ设定在该范围内,即使在基板的表面上形成标记区域,也能够将均匀特性的光电导层层叠在导电性基板上。 利用这种布置,由于从相对于标记区域的感光鼓的相同位置获得用于优化拷贝的图像质量的信息,所以用于电子照相的感光体总是产生稳定图像质量的副本。
    • 5. 发明授权
    • Copying machine with multiple transport function
    • 复印机具有多种传送功能
    • US4771318A
    • 1988-09-13
    • US87710
    • 1987-08-21
    • Teruhiko NoguchiItaru KawabataHiroshi KinashiYoshiharu TsujimotoHiromu Sasaki
    • Teruhiko NoguchiItaru KawabataHiroshi KinashiYoshiharu TsujimotoHiromu Sasaki
    • G03G15/14G03G15/00G03G15/23G03G15/36G03G21/00
    • G03G15/6535G03G15/235G03G15/6579G03G2215/00409G03G2215/00556G03G2215/00578G03G2215/00586Y10S271/90
    • A copying machine with a multiple transport function having a separation charger for separating from the photoreceptor surface copy paper with an image transferred thereon and a circulating transport passage formed from the paper discharge block to the paper feed block so that it is possible to select the single-sided copy mode for allowing the copy paper to be discharged outside the copying machine after the copying process, the duplex copy mode for allowing the copy paper undergoing one copying process to be led through the circulating transport passage to the copying process block as reversed, or the composite copy mode for allowing the copy paper undergoing one copying process to be led through the circulating transport passage to the copying process block without being reversed. The copying machine with a multiple transport function includes a current controller which sets current applied to the separation charger for the second copying process at a larger value in the composite copy mode and at a smaller value in the duplex copy mode than that for the copying process in the single-sided copy mode.
    • 一种具有多重传送功能的复印机,具有分离充电器,用于从其上转印有图像的感光体表面复印纸和从排纸块形成的循环输送通道到送纸块,从而可以选择单个 在复印处理之后允许复印纸被排出到复印机外部的双面复印模式,用于允许经历一次复印处理的复印纸通过循环传送通道的反复复印模式被引导到复印处理块, 或复制复制模式,用于允许经历一次复印处理的复印纸被引导到循环传送通道到复制处理块而不被颠倒。 具有多重传送功能的复印机包括一个电流控制器,该电流控制器在复合复制模式中以较大的值设置用于第二次复印处理的分离充电器的电流,并且在双面复印模式中设置比复印处理 在单面复印模式下。
    • 7. 发明授权
    • Image-quality stabilizer for an electrophotographic apparatus
    • 用于电子照相设备的图像质量稳定器
    • US5333037A
    • 1994-07-26
    • US22740
    • 1993-02-24
    • Katsushi InoueJitsuo MasudaTeruhiko NoguchiItaru Kawabata
    • Katsushi InoueJitsuo MasudaTeruhiko NoguchiItaru Kawabata
    • G03G15/00G03G15/16G03G21/00
    • G03G15/5041G03G15/1645G03G2215/00042
    • An image-quality stabilizer for an electrophotographic apparatus forms a toner patch on a photoreceptor drum, detects the amount of toner attracted to the photoreceptor drum by an optical sensor, and controls each processing device so that the detected value is equal to a reference value which has been detected and stored when the number of image forming operations performed is low. After the control, the toner patch is transferred to a transfer sheet, and the amount of toner remaining on the photoreceptor drum is detected. The reference value is adjusted based on the detected value so as to compensate for a lowering of transfer efficiency. Or the lowering of transfer efficiency is compensated by controlling variables such as transfer output so that the detected value is equal to a reference residual value which has been detected and stored when the number of image forming operations performed is low. This arrangement restrains a lowering of image density due to a change in the transfer efficiency. It is therefore possible to control stabilizing the image quality accurately and to form images of stable quality.
    • 用于电子照相设备的图像质量稳定器在感光鼓上形成调色剂贴片,通过光学传感器检测吸引到感光鼓的调色剂的量,并控制每个处理装置,使得检测值等于参考值, 当执行的图像形成操作的数量低时已经检测和存储。 在控制之后,将调色剂贴片转印到转印纸上,并检测剩余在感光鼓上的调色剂量。 基于检测值来调整基准值,以补偿转印效率的降低。 或者通过控制诸如传送输出的变量来补偿传送效率的降低,使得当所执行的图像形成操作的数量低时,检测值等于已经被检测和存储的参考剩余值。 这种布置限制了由于转印效率的变化而导致的图像浓度的降低。 因此,可以精确地控制图像质量的稳定化并形成质量稳定的图像。