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    • 2. 发明公开
    • Electrophotographic recording apparatus
    • 电子邮件(Aufzeichnungsgerät)
    • EP0513547A2
    • 1992-11-19
    • EP92106626.2
    • 1992-04-16
    • HITACHI, LTD.
    • Shimada, AkiraTerashima, IsamuKitagishi, TomojiWakamatsu, KazuhiroSaito, Masahiko
    • G03G15/01G03G15/16
    • G03G15/1605G03G15/0131
    • In an electrophotographic recording apparatus, toner images of different colors formed on a photosensitive belt (1) are transferred in overlapping fashion to an intermediate transfer drum (11) to form a color toner image and the color toner image is transferred to a secondary recording medium (15) by means of a transfer unit (20) and then fixed. The intermediate transfer drum (11) includes an electrically conductive drum substrate (11a) and a dielectric layer (11b) whose resistance is so adjusted as to lie within a predetermined range, and the drum substrate (11a) is connected to earth potential so that setting of an electric field for toner image transfer from the photosensitive belt (11) may not interfere with setting of an electric field for toner image transfer by the transfer unit (20). Efficiencies of transfer at the two transfer sections can be improved to provide a color image of high quality and besides the apparatus can be reduced in size.
    • 在电照相记录装置中,形成在感光带(1)上的不同颜色的调色剂图像以重叠方式转印到中间转印鼓(11)上以形成彩色调色剂图像,并将彩色调色剂图像转印到二次记录介质 (15)通过转印单元(20)固定。 中间转印鼓(11)包括电阻调节为在预定范围内的导电性鼓基材(11a)和电介质层(11b),鼓基材(11a)与地电位连接,使得 用于从感光带(11)调色剂图像转印的电场的设置可能不会妨碍由转印单元(20)调色剂图像转印的电场的设置。 可以改善在两个转印部分的转印效率,以提供高品质的彩色图像,并且此外可减小装置的尺寸。
    • 5. 发明公开
    • Electrophotographic image forming system
    • 电子照相机Bilderzeugungssystem
    • EP1184745A2
    • 2002-03-06
    • EP01105358.4
    • 2001-03-08
    • Hitachi, Ltd.
    • Ohuchi, YoshioWakamatus, KazuhiroSuka, HisaoKumada, KatsumiHiraoka, ChikaraTsuruta, ShizuoIshii, YoshitaroSasaki, AkiraSaito, MasahikoOkunomiya, SeijiKaneko, TetsunoriYamamoto, Masashi
    • G03G15/20G03G15/00
    • G03G15/657G03G15/2028
    • In order to provide an electrophotographic image forming system characterized by a mechanism of stabilizing the behavior of the tip of the form when the form with unfused colored particles (toner) deposited thereon is fed to the fusing device, the present invention has a form posture correcting protrusion (19h) provided on the non-printing area of the surface of the form with unfused colored particles (toner) deposited thereon inside the feed path of the form with unfused colored particles (toner) desposited thereon, so that form behavior can be controlled when the form is fed to the fusing device (19). Furthermore, the present invention has a form guide (19d, e) provided on the form ejection side of the fusing device (19) to control the behavior of the form moving in the direction of being wound on the fusing roller. Furthermore, the present invention has a form guide (182) provided inside the feed path of the form with unfused colored particles (toner) deposited thereon, so as to contact the end of the form on the surface with unfused colored particles (toner) deposited thereon, thereby ensuring that form behavior can be controlled when the form is fed to the fusing device.
    • 为了提供一种电子照相图像形成系统,其特征在于当将具有未着色的有色颗粒(调色剂)沉积在其上的形式馈送到定影装置时,使形状的尖端的行为稳定的机构,本发明具有形状姿势校正 突出部(19h),其设置在形式表面的非印刷区域上,其上形成有未沉积着的着色颗粒(调色剂),其上形成有未图形的未着色颗粒(调色剂)的进料路径,从而可以控制形状行为 当形式被馈送到定影装置(19)时。 此外,本发明具有设置在定影装置(19)的成形出射侧的形状导向件(19d,e),以控制在缠绕在定影辊上的方向上移动的形状的行为。 此外,本发明还具有一种形式引导件(182),其设置在具有沉积在其上的未熔化着色颗粒(调色剂)的形式的进料路径的内部,以便与表面上的形式的端部接触,沉积有未着色的着色颗粒(调色剂) 从而确保当将形式馈送到定影装置时可以控制形状行为。
    • 6. 发明公开
    • Electrophotographic recording apparatus
    • 电子邮件(Aufzeichnungsgerät)
    • EP0702278A2
    • 1996-03-20
    • EP95118371.4
    • 1992-04-16
    • HITACHI, LTD.
    • Shimada, AkiraTerashima, IsamuKitagishi, TomojiWakamatsu, KazuhiroSaito, Masahiko
    • G03G15/01G03G15/16
    • G03G15/1605G03G15/0131
    • A color electrophotographic apparatus, comprising:
         photosensitive means (1);
         charging means (8) for uniformly charging the photosensitive means;
         exposing means (9) exposed the photosensitive means charged uniformly, for forming an electrostatic latent image;
         a plurality of developing means (4, 5, 6, 7) each having a different color toner of negative polarity;
         intermediate transfer means (11) rotated synchronously with the photosensitive means contacted, for overlapping each of color toner images formed on the photosensitive means one to another;
         roller transfer means (37) for transferring the color toner images overlapped on the intermediate transfer means to a recording medium (15);
         bias electric power source means including fixing means (23) for fixing the color toner images transferred to the recording medium, for applying a voltage in range of -200 to -1000 volts to the photosensitive means; and
         dielectric layer (11b) formed on the intermediate transfer means charged in -600 to -800 volts against a voltage of a substrate on the photosensitive means by the charging means, the intermediate transfer means being grounded, wherein
         the roller transfer means is applied by a voltage in range of 4 to 6 kV against the intermediate transfer means.
    • 一种彩色电子照相设备,包括:感光装置(1); 用于对感光装置均匀充电的充电装置(8) 曝光装置(9)使感光装置均匀曝光,形成静电潜像; 多个显影装置(4,5,6,7),每个显影装置具有负极性不同的彩色调色剂; 中间转印装置(11)与接触的感光装置同步旋转,以使形成在感光装置上的每个彩色调色剂图像彼此重叠; 用于将重叠在中间转印装置上的彩色调色剂图像转印到记录介质上的辊转移装置(37); 偏置电源装置,包括用于固定传送到记录介质的彩色调色剂图像的固定装置(23),用于向光敏装置施加-200至-1000伏范围内的电压; 以及形成在中间转印装置上的电介质层(11b),相对于感光装置上的基板的电压通过充电装置而被充电在-600至-800伏特,中间转印装置接地,其中辊转印装置通过 相对于中间转印装置的电压范围为4至6kV。
    • 10. 发明公开
    • Computer executing multiple operating system
    • Mehrere BetriebssytemeausführenderRechner
    • EP1031924A2
    • 2000-08-30
    • EP00301110.3
    • 2000-02-14
    • HITACHI, LTD.
    • Saito, MasahikoKamiwaki, TadashiNakamura, TomoakiOhno, HiroshiInoue, Taro
    • G06F9/46
    • G06F9/4843G06F9/45533
    • A computer system having a plurality of operating systems and a module for switching the operating systems in view of priorities of tasks to be performed by each of the operating systems. Each of the operating systems performing a plurality of processes or threads in accordance with the priorities assigned to these processes or threads has a module for notifying the computer system of the priority of the currently executing process or thread. The computer system includes a module for translating the priorities sent from each operating system into priorities (normalized priorities) common throughout the computer system, and a module for comparing the normalized priorities obtained by the priority translation module in order to select and execute preferentially the operating system having a common priority higher than that of any other operating system.
    • 考虑到要由​​每个操作系统执行的任务的优先级,具有多个操作系统的计算机系统和用于切换操作系统的模块。 根据分配给这些进程或线程的优先级执行多个进程或线程的每个操作系统具有用于通知计算机系统当前正在执行的进程或线程的优先级的模块。 计算机系统包括用于将从每个操作系统发送的优先级转换为整个计算机系统中共同的优先级(归一化优先级)的模块,以及用于比较由优先级翻译模块获得的归一化优先级以便优先选择和执行操作的模块 系统具有高于任何其他操作系统的共同优先级。