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    • 7. 发明授权
    • Apparatus for reading and electrophotographic reproduction of microphotographs
    • 阅读和电子显微镜复制的装置
    • US3874789A
    • 1975-04-01
    • US35310473
    • 1973-04-20
    • CELLOPHANE SA
    • WEBER GUY PAUL
    • G03G15/22G03B21/11G03G15/26G03G15/00
    • G03B21/118G03G15/26
    • Apparatus for reading and electrophotographic reproduction of microphotographs including an exposure station where copy paper is held stationary while a corona charging device is moved therealong to charge the copy paper appropriately for positive and negative reproduction, a screen for reading microphotographs, an optical system transmitting a light image of a microphotograph to either the reading screen or the exposure station dependent upon the pivotal position of a mirror, a developing station including a toner applying member responsive to pivotal movement of the mirror from the reading position to the reproduction position to move from a retracted position out of the path of copy paper through the developing station to a developing position to contact copy paper and apply toner thereto, and a control system for automatically controlling the apparatus to provide electrophotographic reproductions.
    • 用于读取和电子照相再现显微照片的装置,包括曝光站,其中复印纸在电晕充电装置移动的同时保持静止,以适当地对正面和负面再现充电复印纸,用于读取显微照片的屏幕,透射光的光学系统 取决于反射镜的枢转位置的显示屏或曝光站的显微照片的图像,包括调色剂施加构件的显影站,其响应于反射镜从读取位置到再现位置的枢转运动以从缩回的位置移动 将复印纸通过显影工位的位置定位到显影位置以接触复印纸并对其施加调色剂,以及用于自动控制该设备以提供电子照相复制品的控制系统。
    • 8. 发明授权
    • Apparatus for inverting flow in a conduit
    • 用于反转流量的装置
    • US3802668A
    • 1974-04-09
    • US26485972
    • 1972-06-21
    • CELLOPHANE SA
    • CHARLES MESSANCE F
    • B01F5/06B29C47/36B01F15/02
    • B29C47/362B01F5/061B29C47/0023
    • A flow exchanging device and a process using the same for diverting a fluid flowing on the periphery of a conduit towards the center thereof and simultaneously diverting a second fluid flowing in the center of the conduit to the periphery thereof, such device being an open tapered pipe having a plurality of openings on its walls and protruding lips around each of the openings for diverting the peripheral flow towards the center of the conduit. The center flow is diverted to the periphery through the wall openings. The device is particular adapted to use in the spinning of cellulose films from two qualities of viscose.
    • 一种流动交换装置及其使用方法,用于将在管道周边流动的流体朝向其中心转移,同时将在管道中心流动的第二流体转向其周边,该装置为开口锥形管 在其壁上具有多个开口和围绕每个开口的突出的唇缘,用于将周边流转向导管的中心。 中心流通过壁开口转移到周边。 该装置特别适用于从两种粘胶质量的纤维素膜的纺丝中使用。
    • 10. 发明授权
    • Method and apparatus for measuring material thickness
    • 用于测量材料厚度的方法和装置
    • US3732016A
    • 1973-05-08
    • US3732016D
    • 1971-02-10
    • CELLOPHANE SA
    • DESHAYES PWEBER G
    • G01B11/06G01B11/00
    • G01B11/0625
    • Apparatus for measuring material thickness including a source of light directed toward the material, a light detector receiving light from the source passing by the material and providing an output voltage dependent upon the light received, a voltage to frequency converter providing an oscillating output dependent upon the output voltage from the light detector, and a counter receiving the oscillating output from the converter to represent the thickness of the material by the count stored therein. A method for measuring material thickness including detecting light passed through the material and providing a voltage corresponding thereto, converting the voltage into a frequency signal dependent thereon, and counting oscillations of the frequency signals.
    • 用于测量包括朝向材料的光源的材料厚度的设备,光检测器,其接收来自源的光源,通过材料并提供取决于所接收的光的输出电压,电压到频率转换器提供取决于所述材料的振荡输出 来自光检测器的输出电压,以及接收来自转换器的振荡输出的计数器,以通过存储在其中的计数来表示材料的厚度。 一种用于测量材料厚度的方法,包括检测通过材料的光并提供与其对应的电压,将电压转换为依赖于其的频率信号,以及对频率信号的振荡进行计数。