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    • 4. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20120155899A1
    • 2012-06-21
    • US13327208
    • 2011-12-15
    • Naoto WATANABETetsuya MUTO
    • Naoto WATANABETetsuya MUTO
    • G03G15/00
    • G03G15/5058G03G2215/0129G03G2215/0164
    • An image forming apparatus includes: a charging unit that uniformly charges a surface of a latent image carrier; a latent-image forming unit; a developing unit that performs development by causing toner to electrostatically adhere on the surface of the carrier; a transfer unit that transfers a toner image onto a recording medium; and an image-density adjusting unit that causes to form a multi-gradation patch pattern on the surface of the carrier, that causes to detect potentials of latent image patches in the multi-gradation patch pattern, that causes to detect a toner adhesion amount on each toner patch, and that performs control of an image density. One of part and all of the low-density latent image patches is a dot-dispersed latent image patch in which the arrangement of unit dot latent images in the basic dot matrix is determined so that a minimum center-to-center distance having a smallest value is maximized.
    • 一种图像形成装置包括:对潜像载体的表面均匀充电的充电单元; 潜像形成单元; 显影单元,其通过使调色剂静电粘附在载体的表面上来进行显影; 转印单元,其将调色剂图像转印到记录介质上; 以及图像浓度调整单元,其导致在载体的表面上形成多灰度贴片图案,其导致检测多层次贴片图案中的潜像斑块的电位,导致检测调色剂附着量 每个调色剂贴片,并且执行图像浓度的控制。 低密度潜像贴片的一部分和全部是点分散潜像贴片,其中确定基本点阵中的单位点潜像的布置,使得具有最小的中心至中心的最小距离 价值最大化。
    • 9. 发明申请
    • OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
    • 光学扫描装置和图像形成装置
    • US20130076851A1
    • 2013-03-28
    • US13624182
    • 2012-09-21
    • Naoto WATANABEToshiaki TokitaKohji SakaiNobuaki Kubo
    • Naoto WATANABEToshiaki TokitaKohji SakaiNobuaki Kubo
    • B41J2/435G02B26/08
    • G02B26/123B41J2/473G02B27/0018
    • An optical scanning device scanning scan target surfaces in a first direction with light includes: a light source emitting first and second light beams corresponding to two of the scan target surfaces; an optical deflector including a reflection surface on which the emitted first and second light beams are obliquely incident while being separated from each other in a second direction perpendicular to the first direction, and deflecting the first and second light beams; a scanning lens disposed on respective optical paths of the deflected first and second light beams; and a branching optical element transmitting therethrough most of the first light beam transmitted through the scanning lens, and reflecting most of the second light beam transmitted through the scanning lens. The deflected first and second light beams intersect between the optical deflector and the branching optical element, when projected on a plane perpendicular to the first direction.
    • 用光扫描第一方向的扫描目标表面的光扫描装置包括:发射对应于两个扫描目标表面的第一和第二光束的光源; 光偏转器,其包括反射面,发射的第一光束和第二光束在垂直于第一方向的第二方向上彼此分离并倾斜入射,并且偏转第一和第二光束; 设置在偏转的第一和第二光束的相应光路上的扫描透镜; 以及分支光学元件,透射通过扫描透镜的第一光束的大部分,并且反射透过扫描透镜的大部分第二光束。 当投影在垂直于第一方向的平面上时,偏转的第一和第二光束在光学偏转器和分支光学元件之间相交。