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    • 1. 发明授权
    • Exposure apparatus for electronic duplicator
    • 电子复印机曝光装置
    • US4390266A
    • 1983-06-28
    • US232219
    • 1981-02-06
    • Kohachi Uchida
    • Kohachi Uchida
    • G03G15/04G03B27/72G03G15/043G03G21/00
    • G03G15/043
    • An exposure apparatus for an electronic duplicator including a first light-receiving element for receiving light reflected by a reference reflector plate or by an original and a second light-receiving element for receiving light reflected from an image focusing point of a photosensitive medium. The doses of light received by these light-receiving elements are converted to voltage signals for comparison with a reference voltage level in a comparator. The output of the comparator is coupled through a control signal generator and a trigger pulse generator to a lamp driver for controlling the document illuminating lamp light intensity and is also coupled through the control signal generator and a transformer for controlling the bias voltage applied to a developing device.
    • 一种电子复印机的曝光装置,包括用于接收由参考反射板或原件反射的光的第一光接收元件和用于接收从感光介质的图像聚焦点反射的光的第二光接收元件。 由这些光接收元件接收的光的剂量被转换成电压信号,以便与比较器中的参考电压电平进行比较。 比较器的输出通过控制信号发生器和触发脉冲发生器耦合到灯驱动器,用于控制文件照明灯的光强度,并且还通过控制信号发生器和变压器耦合,用于控制施加到显影器 设备。
    • 3. 发明授权
    • Developing device with means to prevent scattering
    • 显影装置具有防止散射的手段
    • US4506972A
    • 1985-03-26
    • US379044
    • 1982-05-17
    • Reiji MurakamiKohachi UchidaYoshitsugu NakatomiTomohiko Takahashi
    • Reiji MurakamiKohachi UchidaYoshitsugu NakatomiTomohiko Takahashi
    • G03G15/09
    • G03G15/0914G03G15/0942
    • A developing device develops an electrostatic latent image formed on a photosensitive drum by using a magnetic developer. The developing device comprises a body frame having a storage section storing the magnetic developer, a developing roller disposed inside the body frame and including a first section facing the storage section and a second section facing the photosensitive drum, for supplying the magnetic developer in the storage section to the second section through the shift of a magnetic field, whereby the magnetic developer supplied to the second section by the developing roller is attracted to the electrostatic latent image on the photosensitive drum, and an intermediate plate provided in the frame body under the developing roller to bear thereon the magnetic developer dropped from the developing roller.
    • 显影装置通过使用磁性显影剂显影形成在感光鼓上的静电潜像。 显影装置包括具有存储磁性显影剂的存储部分的主体框架,设置在主体框架内的显影辊,并且包括面向存储部分的第一部分和面向感光鼓的第二部分,用于将磁性显影剂供应到存储部分 通过磁场的移动将第二部分的部分引导到第二部分,由此由显影辊供应到第二部分的磁性显影剂被吸引到感光鼓上的静电潜像,以及设置在显影器下的框架体中的中间板 辊子承载在其上从显影辊下降的磁性显影剂。
    • 6. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US4678314A
    • 1987-07-07
    • US777447
    • 1985-09-18
    • Kohachi UchidaKunihiro ShibuyaHajime Nakamura
    • Kohachi UchidaKunihiro ShibuyaHajime Nakamura
    • G03B21/11G03G15/08G03G15/22G03G15/00
    • G03B21/118G03G15/08G03G15/223
    • A microfilm reader printer has a reader unit which projects a microfilm image onto a screen and a printer unit which reproduces copies of the microfilm image. The printer unit has an optical device for forming an electrostatic image on a photoreceptor by exposing the microfilm image onto the photoreceptor and a developing device for visualizing the electrostatic latent image formed on the photoreceptor. The developing device has a first developing unit for achieving direct development, a second developing unit for achieving reversal development and driving device for activating one of the developing units. A positive copy may be reproduced from both positive and negative types of a microfilm by selectively operating one of the developing units.
    • 微缩胶片读取器打印机具有将微缩胶片图像投影到屏幕上的读取器单元和再现微缩胶卷图像的副本的打印机单元。 打印机单元具有用于通过将微缩胶片图像曝光到感光体上而在感光体上形成静电图像的光学装置和用于使形成在感光体上的静电潜像可视化的显影装置。 显影装置具有用于实现直接显影的第一显影单元,用于实现反转显影的第二显影单元和用于激活其中一个显影单元的驱动装置。 可以通过选择性地操作显影单元之一,从正极和负面类型的微缩胶片中再现阳性拷贝。