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    • 33. 发明授权
    • Color cathode ray tube having electrostatic quadrupole lenses
    • 具有静电四极透镜的彩色阴极射线管
    • US06472808B1
    • 2002-10-29
    • US09468861
    • 1999-12-21
    • Go UchidaShoji ShiraiShinichi KatoKoichi Miyagawa
    • Go UchidaShoji ShiraiShinichi KatoKoichi Miyagawa
    • H01J2958
    • H01J29/503H01J2229/4841
    • A color cathode ray tube includes third, fourth and fifth electrodes and an anode in its electron beam focusing section. A first-type electrostatic quadrupole lens is formed between first and second members of the fifth electrode for focusing electron beams in one of horizontally and vertically and diffusing the electron beams in the other of horizontally and vertically increasingly with decreasing beam deflection, and a second-type electrostatic quadrupole lens is formed between first and second members of the third electrode for focusing the electron beams in the other of horizontally and vertically and diffusing the electron beams in the one of horizontally and vertically increasingly with the decreasing beam deflection, and an electron lens is formed between the fourth electrode and a first aperture formed in a first surface of the second member of the third electrode adjacent to the fourth electrode, the first surface being on a side of the second member of the third electrode opposite from the fourth electrode, for diffusing the electron beams horizontally and focusing the electron beams vertically increasingly with the decreasing beam deflection.
    • 彩色阴极射线管包括第三,第四和第五电极及其电子束聚焦部分中的阳极。 在第五电极的第一和第二构件之间,形成第一电极和第二电极之间的第一和第二构件,用于将电子束聚焦在水平和垂直之一中,并且随着光束偏转的减小而使电子束在水平和垂直方向上逐渐扩散; 在第三电极的第一和第二构件之间形成一个水平和垂直的电子束的第一和第二构件之间,并且使电子束以减小的光束偏转水平和垂直地逐渐扩大的电子束;以及电子透镜 形成在第四电极和形成在与第四电极相邻的第三电极的第二构件的第一表面中的第一孔之间,第一表面在与第四电极相对的第三电极的第二构件的一侧上, 用于水平扩散电子束并垂直聚焦电子束 越来越多的光束偏转减小。