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    • 11. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20100142983A1
    • 2010-06-10
    • US12464460
    • 2009-05-12
    • Yoshifumi OzakiShinichiro FujimoriTakashi OchiAkihiko NodaShinichi KuramotoKenji Ogi
    • Yoshifumi OzakiShinichiro FujimoriTakashi OchiAkihiko NodaShinichi KuramotoKenji Ogi
    • G03G15/00
    • G03G15/5062
    • There is provided an image forming apparatus. The image forming apparatus, after controlling so as to develop the developer image representing the predetermined image formed a plurality of times in the same location on an image carrier by an exposing component, controls such that without performing exposure with the exposing component, the developer image, developed on the image carrier by the developing component applying a biasing voltage to the developer so as to adhere the developer to the image carrier including to the same location on the image carrier, is transferred to the transfer component and detects whether or not a ghost image is generated by comparing the density detected by a detecting component at a position of a transfer body corresponding to the same location of the image carrier to a reference density.
    • 提供了一种图像形成装置。 图像形成装置在通过曝光分量在图像载体上在相同位置上形成表示预定图像的显影剂图像的控制之后,控制使得不用曝光成分进行曝光,显影剂图像 通过显影部件在显影部件上向显影剂施加偏置电压以将显影剂粘附到包括在图像载体上的相同位置的图像载体上的图像载体上被传送到传送部件并检测是否存在重影 通过将与图像载体的相同位置对应的传送体的位置处的检测部件检测到的浓度与参考密度进行比较来生成图像。
    • 17. 发明授权
    • Photographic developing apparatus and electrifying apparatus
    • 照相显影装置和通电装置
    • US5887233A
    • 1999-03-23
    • US895556
    • 1997-07-16
    • Jun AbeNoriaki YamazakiAkihiko NodaShinichi KuramotoShota Oba
    • Jun AbeNoriaki YamazakiAkihiko NodaShinichi KuramotoShota Oba
    • G03G15/08G03G15/02
    • G03G15/0812G03G15/0806
    • A photographic developing apparatus which visualizes a latent image formed on an image carrier is disclosed which includes:a developing powder carrier provided so as to be opposite to the image carrier;a layer forming member for forming a thin layer of developing powder over a circumferential surface of the developing powder carrier;a charge imparting member which is provided so as to be opposite to the developing powder carrier and causes an electric field between the charge imparting member and the developing powder carrier; andan electrification control member which is interposed between the charge imparting member and the developing powder carrier, and limits an ionization area caused by electric discharge in the electric field by receiving an intermediate electric potential between the electric potential of the charge imparting member and the electric potential of the developing powder carrier.
    • 公开了一种使形成在图像载体上的潜像可视化的照相显影装置,其包括:设置成与图像载体相对的显影粉末载体; 用于在显影粉末载体的圆周表面上形成显影粉末薄层的层形成部件; 电荷赋予构件,其设置成与显影粉末载体相对,并且在电荷施加构件和显影粉末载体之间引起电场; 以及带电控制构件,其插入在电荷施加构件和显影剂载体之间,并且通过在电荷赋予构件的电位和电荷赋予构件之间接收中间电位来限制由电场中的放电引起的电离区域 显影粉末载体的潜力。
    • 19. 发明授权
    • Liquid developer for use in electrophotography
    • 用于电子照相术的液体显影剂
    • US4388395A
    • 1983-06-14
    • US339544
    • 1982-01-15
    • Kazuo TsubukoJunichiro HashimotoShinichi KuramotoMakoto Okawara
    • Kazuo TsubukoJunichiro HashimotoShinichi KuramotoMakoto Okawara
    • C08F265/00C08F265/04C08F290/00C08F290/12C08F299/00G03G9/13G03G9/12
    • C08F265/04C08F290/12G03G9/133
    • A liquid developer for use in electrophotography is disclosed which is prepared by dispersing a toner consisting essentially of a pigment or dye and a resin in a carrier liquid having a high insulating property and a low dielectric constant, wherein said resin is a nonaqueous dispersed resin obtained by effecting, in a nonaqueous solvent comprising an aliphatic hydrocarbon, the steps of:(a) copolymerizing (1) a monomer A having the general formula I: ##STR1## [wherein R is H or --CH.sub.3, and A is --COOC.sub.n H.sub.2n+1 or --OC.sub.n H.sub.2n+1 (n is an integer of 6 to 20)] with (2) a polyfunctional monomer having two or more double bonds and (3) a monomer B having a glycidyl group or a vinyl monomer C having a carboxyl group,(b) esterifying the resulting copolymer with the monomer C when the monomer B was used in the step (a) and with the monomer B when the monomer C was used in the step (a) respectively, and(c) grafting the resulting esterified copolymer with a monomer D selected from the group consisting of compounds having the general formula II: ##STR2## [wherein R is the same as previously stated and Z is --COOC.sub.m H.sub.2m+1 (m is an integer of 1 to 4), --OCOC.sub.m' H.sub.2m'+1 (m' is an integer of 1 to 6), ##STR3## (m is the same as previously stated), --COOH, --COOC.sub.2 H.sub.4 OH or ##STR4## styrene, vinyl acetate, vinyltoluene, chlorostyrene, vinylpyrrolidone and vinylpyridine.
    • 公开了一种用于电子照相术的液体显影剂,其通过将基本上由颜料或染料和树脂组成的调色剂分散在具有高绝缘性能和低介电常数的载体液体中制备,其中所述树脂是获得的非水分散树脂 通过在包含脂族烃的非水溶剂中进行以下步骤:(a)使(1)具有通式I的单体A:其中R是H或-CH 3,A是-COOC n H 2n + 1或-OCnH2n + 1(n为6〜20的整数)]与(2)具有两个以上双键的多官能单体和(3)具有缩水甘油基的单体B或具有羧基的乙烯基单体C ,(b)当在步骤(a)中使用单体B时,和单体B分别在步骤(a)中使用单体C时,用单体C酯化所得共聚物,和(c)将所得的共聚物 酯化的共聚物与选自下组的单体D. 具有通式II的化合物:其中R与前述相同,Z为-COOCmH2m + 1(m为1〜4的整数),-OCOCm'H2m'+ 1(m'为整数 1〜6),< IMAGE>(m与前述相同),-COOH,-COOC 2 H 4 OH或苯乙烯,乙酸乙烯酯,乙烯基甲苯,氯苯乙烯,乙烯基吡咯烷酮和乙烯基吡啶。