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    • 21. 发明授权
    • Process for the manufacture of pulp using sodium carbonate and oxygen
    • 使用碳酸钠和氧气制造纸浆的方法
    • US4045279A
    • 1977-08-30
    • US722000
    • 1976-09-09
    • Tadashi NaganoSaisei MiyaoKatsuhiko Takeda
    • Tadashi NaganoSaisei MiyaoKatsuhiko Takeda
    • D21C3/02
    • A process for preparing pulp in a closed system by pre-cooking fibrous raw material in an alkaline aqueous solution of sodium carbonate or a mixture of sodium carbonate and sodium bicarbonate as the only alkaline ingredients at 90.degree.-190.degree. C, defibrating the pre-cooked material, pulping the defibrated material in an alkaline aqueous solution of sodium carbonate or a mixture of sodium carbonate and sodium bicarbonate as the only alkaline ingredients in a pressurized vessel at 90.degree.-170.degree. C in the presence of an oxygen-containing gas, subjecting waste liquor discharged from the pre-cooking and pulping steps to wet combustion to recover an alkaline aqueous substance and recycling the alkaline aqueous substance resulting from combustion to the pre-cooking and/or pulping steps.
    • 一种在封闭系统中制备纸浆的方法,该方法是在碱性碳酸钠水溶液或碳酸钠和碳酸氢钠的混合物中预先烹制纤维原料,作为唯一的碱性成分,在90°-190℃, 熟化的材料,在含氧气体的存在下,在90-170℃的加压容器中将去纤维化物质在碱性碳酸钠水溶液或碳酸钠和碳酸氢钠的混合物中制成作为唯一的碱性成分, 使从预烹饪和制浆步骤排出的废液进行湿式燃烧以回收碱性水性物质,并将由燃烧产生的碱性水性物质再循环到预烹饪和/或制浆步骤。
    • 25. 发明授权
    • Developing device for mixing and supplying developer
    • 用于混合和供应显影剂的显影装置
    • US5682583A
    • 1997-10-28
    • US257184
    • 1994-06-08
    • Noboru ItoYoshihiro ShojoKatsuhiko Takeda
    • Noboru ItoYoshihiro ShojoKatsuhiko Takeda
    • G03G15/08
    • G03G15/0822G03G2215/0822G03G2215/0833
    • A developing device having a developing sleeve opposed to a photoreceptor, and a developer transport portion adjacent to the sleeve. The developer transport portion is divided into first and second portions by a partition, and the developer is circulated between the first and second portions. A fresh toner is supplied to the developer in the second portion to be transported to the first portion while being mixed, and thereafter is supplied to the sleeve along an axial direction of the sleeve in the first portion. The second portion is provided with a transport member by which the developer is transported at an upstream side of the second portion with respect to the developer transport direction in the second portion with a speed faster than the toner supply speed and the transport speed of the developer at a downstream side of the first portion with respect to the developer transport direction in the second portion.
    • 具有与感光体相对的显影套筒和与套筒相邻的显影剂传送部分的显影装置。 显影剂输送部分通过隔板分成第一和第二部分,并且显影剂在第一和第二部分之间循环。 将新鲜调色剂供给到第二部分中的显影剂,以在被混合的同时被输送到第一部分,然后沿第一部分中的套筒的轴向方向被提供给套筒。 第二部分设置有传送构件,通过该传送构件,显影剂以相对于第二部分中的显影剂传送方向的第二部分的上游侧以比调色剂供给速度和显影剂的传送速度快的速度传送 在第一部分的下游侧相对于第二部分中的显影剂传送方向。
    • 26. 发明授权
    • Color separation optical system for use in color copying machine
    • 彩色复印机使用的分色光学系统
    • US5262832A
    • 1993-11-16
    • US724124
    • 1991-07-01
    • Katsuhiko Takeda
    • Katsuhiko Takeda
    • G02B5/28G02B7/00G03G15/01H04N1/48G03G21/00
    • G02B5/285G02B26/007G03G15/011H04N1/482
    • A color separation system for use in a color copying apparatus including blue, green and red reflection filters as well as blue and green transmission filters. The blue and green transmission filters are disposed in front of the blue and green reflection filters, respectively, so that light passes through the transmission filters twice. The color copying apparatus includes a photosensitive member which is exposed with light passing through the color separation system, an image sensor for reading an image of an color original, and a light adjusting filter for adjusting a quantity of light impinging on said image sensor. The three reflection filters and the light adjusting filter are mounted on a rotary member. One of these filters is selectively positionable in an optical path according to the rotated position of the rotary member.
    • 一种用于彩色复印设备的分色系统,包括蓝色,绿色和红色反射滤光片以及蓝色和绿色透射滤光片。 蓝色和绿色透射滤光片分别设置在蓝色和绿色反射滤光器的前面,使得光线通过透射滤光片两次。 彩色复印装置包括用通过分色系统的光曝光的感光部件,用于读取彩色原稿的图像的图像传感器和用于调节照射在所述图像传感器上的光量的光调节滤光器。 三个反射滤光器和光调节滤光器安装在旋转部件上。 根据旋转部件的旋转位置,这些过滤器中的一个可以选择性地定位在光路中。
    • 29. 发明授权
    • Magnification varying device for electro-photographic copying machine
    • 用于电子照相复印机的放大变化装置
    • US4800414A
    • 1989-01-24
    • US019560
    • 1987-02-27
    • Katsuhiko Takeda
    • Katsuhiko Takeda
    • G03G15/041G03B27/36G03B27/38
    • G03G15/041
    • Improvements in a magnification varying device for electrophotographic copying machine of the mirror scan type to eliminate the drawbacks to be encountered and resulting in degraded copy images when the magnification varying range is increased, such as objectionable operative connection between a projection lens and a deflection mirror, and leakage of undesired light between the lens and a light blocking member around the path of travel of the lens. The present device includes an eccentric cam having the largest radius at a position for giving an equal magnification to assure smooth transmission of drive force to the deflection mirror, and a second light blocking member provided at each side of the lens and opposed to the mirror for preventing the objectionable light not blocked by the above blocking member from reaching the mirror when the lens is qat a position for a reduced magnification.
    • 用于镜像扫描型的电子照相复印机的放大倍数变化装置的改进,以消除在增大放大率变化范围时导致的复制图像的劣化,例如投影透镜和偏转镜之间的不良操作连接, 以及在透镜和透镜的行进路径周围的遮光构件之间的不期望的光的泄漏。 本装置包括在用于给予等倍率的位置处具有最大半径的偏心凸轮,以确保驱动力平滑地传递到偏转镜,以及设置在透镜的每一侧并与镜相对的第二遮光构件 防止当镜头处于缩小倍率的位置时上述阻挡构件未被阻挡的不良光线到达反射镜。