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    • 55. 发明公开
    • Electrophotographic apparatus
    • 电子照相机
    • EP0991262A3
    • 2003-04-09
    • EP99119452.3
    • 1999-09-30
    • CANON KABUSHIKI KAISHA
    • Yamazaki, KojiNakayama, YujiKawada, MasayaOhwaki, Hironori
    • H04N1/06H04N1/29
    • H04N1/0614H04N1/0607
    • The present invention relates to an electrophotographic apparatus in which maximum potential difference ΔVD (volt) in a potential of a dark portion of the electrostatic image in the longitudinal direction, maximum potential difference ΔVL in a potential of a light portion of the electrostatic image in the longitudinal direction, a value a (1/volt) represented by (variation amount in density, in the longitudinal direction, in the image formed by developing the light portion with the developing means)/(the maximum potential difference ΔVD) and a value b (1/volt) represented by (variation amount in density, in the longitudinal direction, in the image formed by developing the light portion with the developing means)/(the maximum potential difference ΔVL) satisfy a relation:0.3 ≤ a × ΔVD + b × ΔVL ≤ 0.3 in which 100 ≥ |ΔVD| ≥ 20 and 100 ≥ |ΔVL| ≥ 20.
    • 本发明涉及电子照相设备,其中静电图像在纵向上的暗部电位的最大电位差DELTA VD(伏特),静电图像的光部分的电位中的最大电位差DELTA VL 在长度方向上,由(通过用显影装置显影光部分形成的图像中的)((最大电位差DELTA VD))/(最大电位差DELTA VD)形成的(由密度变化量,纵向变化量, /(最大电位差DELTA VL)/(最大电位差DELTA VL)表示的(由密度变化量,纵向变化的图像,通过用显影单元显影光部分形成的图像)​​表示的值b(1 /伏)满足关系:其中100≥| DELTAVD≥≥20和100≥| DELTA VL|≥20。
    • 57. 发明公开
    • Image forming apparatus and detecting device
    • Bilderzeugungsgerätund Detektionsvorrichtung
    • EP1215878A2
    • 2002-06-19
    • EP01129552.4
    • 2001-12-11
    • CANON KABUSHIKI KAISHA
    • Maruyama, Shoji
    • H04N1/29H04N1/00
    • H04N1/00716H04N1/00681H04N1/00734H04N1/00779H04N1/2323H04N1/295
    • An image forming apparatus which achieves improvements in usability and cost performance and yet can effect the fixing process on recording materials of various types under an optimum fixing process condition to thereby obtain good fixed images. The image forming apparatus is provided with an LED (33) for applying a light to the surface of a recording material (32) before fixed, a CMOS (34) for reading and outputting the interior of that area of the surface of the recording material (32) to which the light is applied by the LED (33) as a picture, and a fixing condition setting device for controlling so as to set the fixing process condition of a fixing device correspondingly to the output value from the CMOS (34).
    • 一种图像形成装置,其在可用性和成本性能方面得到改善,并且可以在最佳定影处理条件下对各种记录材料进行定影处理,从而获得良好的固定图像。 图像形成装置设置有用于在固定之前将光施加到记录材料(32)的表面的LED(33),用于读取和输出记录材料表面的该区域的内部的CMOS(34) (32),作为照片的LED(33)施加光的固定条件设定装置,以及与CMOS(34)的输出值对应地设定定影装置的定影处理条件的定影条件设定装置, 。
    • 58. 发明公开
    • Image forming apparatus
    • 成像设备
    • EP1161080A2
    • 2001-12-05
    • EP01113295.8
    • 2001-05-31
    • CANON KABUSHIKI KAISHA
    • Ohwaki, HironoriEhara, ToshiyukiKawada, Masaya
    • H04N1/29H04N1/40
    • H04N1/29G06K15/1209
    • An object of the present invention is to provide an image forming apparatus that has an image bearing body, charging device for charging the image bearing body, and exposing device for exposing the image bearing body charged by the charging device,
         wherein the exposing device illuminates a light beam for each of pixels corresponding to a non-imaged portion of a pixel matrix having plural rows and plural columns, and wherein, when it is assumed that a width of one pixel in the pixel matrix is A and a distribution width in a half value of a maximum potential value of potential distribution formed in OFF of light beam illumination of one pixel is Wv, a following relationship is satisfied: 0.6 ≤ Wv/A ≤ 1.4.
    • 本发明的一个目的是提供一种图像形成设备,其具有图像承载体,用于对图像承载体充电的充电装置以及用于使由充电装置充电的图像承载体曝光的曝光装置,其中曝光装置照射 对应于具有多行和多列的像素矩阵的非成像部分的每个像素的光束,并且其中,当假定像素矩阵中的一个像素的宽度是A并且分布宽度是一半时 在一个像素的光束照明的OFF中形成的电势分布的最大电势值的值是Wv,满足以下关系:0.6≤Wv/A≤1.4。