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    • 72. 发明授权
    • Apparatus for electrophotography representing half-tones
    • 表示半色调的电子照相装置
    • US5021807A
    • 1991-06-04
    • US431465
    • 1989-11-02
    • Koichi Kinoshita
    • Koichi Kinoshita
    • B41J2/44G03G5/05G03G5/06G03G5/08G03G15/04G03G15/043H04N1/036H04N1/40
    • H04N1/40037H04N1/036
    • An electrophotographic printing apparatus capable of printing continous half-tone images comprises a photoconductive element on which a latent image is to be formed, a laser light beam light source for projecting a beam spot on the photoconductive element, and a driving circuit connected to the laser beam light source for varying the power output of the laser beam light source. The photoconductive element is a digital photoconductive member that is characterized by undergoing a transistion from a first substantially constant surface potential to a second substantially constant surface potential only in regions where it is illuminated by light above a predetermined threshold level. A density filter is interposed between the laser beam light source and the photoconductive element so that the beam spot projected onto the photoconductive element has a predetermined light intensity distribution with the light intensity being highest near the central portion of the beam spot and rapidly decreasing away from the central portion. Because of the unique properties of the photoconductive element, only those portions of the beam spot which have a light intensity above the threshold level will form a latent image spot corresponding to the beam spot. Although the beam spot may be fixed in size, the size of the latent image spot may be varied by changing the power output of the laser beam light source, which enables printing of continuous half-tones.
    • 75. 发明授权
    • Electrographic color printer/copier
    • 电彩彩色打印机/复印机
    • US4956676A
    • 1990-09-11
    • US49715
    • 1987-05-12
    • Kensuke FukaeKoichi Kinoshita
    • Kensuke FukaeKoichi Kinoshita
    • G03G15/01G03G15/16
    • G03G15/1605G03G15/0173G03G2215/0174
    • An electrographic printer/copier capable of producing color prints is disclosed. The color printer/copier comprises a housing, a source of paper and an output for the paper after it is imprinted, a photoconductive member, and a developer unit containing toners of multiple colors. On successive revolutions of the photoconductive member, the developer unit applies a different colored toner to the photoconductive member. After each revolution of the photoconductive belt, the image developed in a particular color is transferred to and retained on a transfer belt. When all of the different colored images have been transferred to the transfer belt, a sheet of paper is brought into contact with the transfer belt and the fully developed color image is transferred to the sheet of paper. In a preferred embodiment, the photoconductive member is a vertically aligned photoconductive belt. The transfer belt is horizontally aligned and located above the photoconductive belt. The sheet of paper travels along a substantially planar paper path located either above or below the transfer belt and the fully developed color image is transferred to the sheet of paper.
    • 公开了一种能够生产彩色印刷品的电印机/复印机。 彩色打印机/复印机包括外壳,纸源和打印后的纸张的输出,感光元件和含有多种颜色的调色剂的显影剂单元。 在感光体的连续旋转中,显影剂单元将不同的着色调色剂施加到感光体上。 在感光带的每转之后,以特定颜色显影的图像被转印并保持在转印带上。 当所有不同的彩色图像已经被转印到转印带上时,一张纸与转印带接触并将完全显影的彩色图像转印到纸张上。 在优选实施例中,感光体是垂直排列的感光带。 转印带水平对齐并位于感光带上方。 纸张沿着位于转印带上方或下方的基本上平面的纸路径移动,并且完全显影的彩色图像被转印到纸张上。
    • 77. 发明授权
    • Method of preparing photosensitive element for use in electrophotography
    • 制备用于电子照相术的光敏元件的方法
    • US3990894A
    • 1976-11-09
    • US438714
    • 1974-02-01
    • Koichi KinoshitaTadaji Fukuda
    • Koichi KinoshitaTadaji Fukuda
    • G03G5/024G03G5/147G03G5/04
    • G03G5/147G03G5/024
    • In a photosensitive element including an electroconductive layer, a photoconductive layer manifesting persistent internal polarization and a highly insulative layer and utilized in the method of electrophotography wherein a first electric field is applied to deposit a charge of one polarity on the surface of the highly insulative layer, and a second field is applied to deposit a charge of the opposite polarity concurrently with the projection of a light image to form a latent image on the surface of the highly insulative layer, there is provided a vapor deposited layer at the interface between the photoconductive layer and the highly insulative layer which consists of a mixture of a first Se-Te alloy having a percentage of Te therein such that it is a highly photosensitive material and a second Se-Te alloy having a percentage of Te therein such that it has high charge trapping capability.
    • 在包括导电层的光敏元件,表现出持久内部极化的光电导层和高绝缘层,并且用于电子照相方法中,其中施加第一电场以在高绝缘层的表面上沉积一种极性的电荷 并且施加第二场以与光图像的投影同时沉积相反极性的电荷,以在高绝缘层的表面上形成潜像,在光电导体之间的界面处提供气相沉积层 层和高绝缘层,其由具有Te含量百分比的第一Se-Te合金的混合物组成,使得其为高感光性材料,第二Se-Te合金具有Te的百分比,使得其具有高 电荷捕获能力。
    • 78. 发明授权
    • Radiography apparatus for forming an electrostatic latent image of a
body to be examined by the ionization of gas
    • 用于通过气体的离子化形成待检体的静电潜像的放射线照相装置
    • US3971937A
    • 1976-07-27
    • US523519
    • 1974-11-13
    • Koichi Kinoshita
    • Koichi Kinoshita
    • G03G15/02G03G15/054G03G15/22G03G15/044
    • G03G15/0545
    • A radiography apparatus in which gas is directly or indirectly ionized by ionizing radiation to form on an insulating film an electrostatic latent image of a body to be examined is provided with at least two gas chambers. In one of the chambers, an anode and a cathode are disposed in opposed relationship, and gas at a predetermined pressure fills the space between the two electrodes. The insulating film is disposed on the surface of one of the electrodes. The film with an electrostatic image formed thereon is moved through the other gas chamber. This chamber is filled with such gas as dry air, the pressure of which gas is substantially in equilibrium relationship with the pressure of the ionizing gas.
    • 一种放射线照相设备,其中气体通过电离辐射直接或间接地电离以形成在绝缘膜上,待检查的身体的静电潜像设置有至少两个气室。 在一个室中,以相对的关系设置阳极和阴极,并且以预定压力的气体填充两个电极之间的空间。 绝缘膜设置在电极之一的表面上。 其上形成有静电图像的膜移动通过另一个气室。 该室充满诸如干燥空气的气体,其气体的压力与电离气体的压力基本上处于平衡关系。