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    • 5. 发明授权
    • Low light level and infrared viewing system
    • 低光级和红外观察系统
    • US4147932A
    • 1979-04-03
    • US830787
    • 1977-09-06
    • John H. Lewis
    • John H. Lewis
    • G02F1/01G02F1/167G03G17/04H01J29/89H01J31/50H01J31/49G03G13/00
    • H01J29/89G02F1/0105G02F1/167G03G17/04H01J31/50H01J2229/8926H01J2231/50026H01J2231/50063H01J2231/5016
    • A viewing system for improving an image, and particularly designed for use with infrared and low light level inputs. A viewing system having first and second electrodes mounted in spaced relation with a gap therebetween, an electric power source for producing an electric field in the gap attracting electrons toward one electrode and positive charge toward the other, a photoresponsive layer on the gap face of the first electrode with radiation directed onto the layer through the first electrode producing an electrostatic charge image at the gap, and a plurality of electrophoretic particles dispersed in a dielectric liquid in the gap, with the particles being selectively deposited at the second electrode as a function of the electrostatic charge image. In the preferred embodiment, the deposited particles are viewed with a dark field illumination system whereby light is scattered to the viewing position by the deposited particles. Cascaded systems and systems incorporating image intensifiers are also disclosed.
    • 一种用于改善图像并且特别设计用于红外和低光级输入的观察系统。 一种具有第一和第二电极的观察系统,其间隔开间隔地安装有用于产生间隙中的电场的电源,将电子朝向一个电极吸引,向另一个电极吸收正电荷,在所述间隙面上的光响应层 第一电极,其具有通过第一电极引导到层上的辐射,在间隙处产生静电荷图像,以及分散在间隙中的电介质液体中的多个电泳颗粒,其中颗粒被选择性地沉积在第二电极上,作为 静电荷图像。 在优选实施例中,用暗场照明系统观察沉积的颗粒,由此光被沉积的颗粒散射到观察位置。 还公开了并入图像增强器的级联系统和系统。