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    Cathode ray tube
    7.
    发明公开
    Cathode ray tube 失效
    阴极射线管

    公开(公告)号：EP0367250A1

    公开(公告)日：1990-05-09

    申请号：EP89120229.3

    申请日：1989-10-31

    申请人： KABUSHIKI KAISHA TOSHIBA

    发明人： Kamohara, Eiji Intellectual Property Division ,  Koshigoe, Shinpei Intellectual Property Division ,  Shimoma, Taketoshi Intellectual Property Division

    IPC分类号： H01J29/96 ,  H01J29/48

    CPC分类号： H01J29/96

    摘要： A cathode ray tube comprises, at least, an electron beam generation unit, a plurality of electrodes consti­tuting an electron lens unit for allowing electron beams which are emitted from the electron beam generation unit to focus on a predetermined location on a phosphor screen, a pair of insulating support rods (13a, 13b) for supporting the electrodes, a resistor unit ( 141 ) for applying a voltage to at least one of the plurality of electrodes, and a metal ring (SR) mounted in contact with a predetermined electrode of the electron lens unit and surrounding the insulating support rod (13a, 13b). A voltage pickup terminal (T21) on the resistor unit ( 141 ) of the cathode ray tube, via which a voltage is applied to at least one electrode in the electron lens unit, is located on the electron beam generation unit side with the metal ring (SR) as a reference. The potential on the metal ring (SR) is lower than a poten­tial on the voltage pickup terminal (T21).

    摘要翻译： 阴极射线管至少包括电子束产生单元，构成电子透镜单元的多个电极，用于允许从电子束产生单元发射的电子束聚焦在荧光屏上的预定位置，一对 用于支撑电极的绝缘支撑杆（13a，13b），用于向多个电极中的至少一个电极施加电压的电阻单元（141），以及安装成与该电极中的预定电极接触的金属环（SR） 电子透镜单元并围绕绝缘支撑杆（13a，13b）。 阴极射线管的电阻器单元（141）上的电压拾取端子（T21），通过电压拾取端子（T21）向电子透镜单元中的至少一个电极施加电压，位于电子束产生单元侧，金属环 （SR）作为参考。 金属环（SR）上的电位低于电压检测端子（T21）上的电位。

    Improvement in an electron gun assembly for a color cathode ray tube
    8.
    发明公开
    Improvement in an electron gun assembly for a color cathode ray tube 失效
    ElektronenkanonefüreineFarbbildröhre。

    公开(公告)号：EP0338570A2

    公开(公告)日：1989-10-25

    申请号：EP89107165.6

    申请日：1989-04-20

    申请人： KABUSHIKI KAISHA TOSHIBA

    发明人： Shimoma, Taketoshi Intellectual Property Division ,  Kamohara, Eiji Intellectual Property Division ,  Sugawara, Shigeru Intellectual Property Division ,  Shimokobe, Jiro Intellectual Property Division

    IPC分类号： H01J29/51 ,  H01J29/50

    CPC分类号： H01J29/503 ,  H01J29/51 ,  H01J2229/4868 ,  H01J2229/4872

    摘要： In a electron gun assembly, three in-line electron beams are generated from three cathodes (K) and are con­trolled and accelerated by a prefocusing electron lens (PL), and each of the electron beams is converged by unipotential electron lens (EL2). In a horizontal plane, the electron beams are collimated by a quadrupole lenses (QEL) and are incident on a single and common large-diameter main electron leans (LEL). In a vertical plane, each of the electron beams is emerged as a divergent electron beam from the quadrupole lens QEL) and each of the divergent electron beams is inci­dent on the main electron lens (LEL). Thus, each of the electron beams are correctly focused on a screen and the three electron beams are correctly converged on a con­vergent point by the main electrode lens (LEL).

    摘要翻译： 在电子枪组件中，三根直线电子束由三个阴极（K）产生，并被预聚焦电子透镜（PL）控制和加速，并且每个电子束被单电子透镜（EL2）会聚。 在水平面中，电子束被四极透镜（QEL）准直，并入射在单个和常见的大直径主电子倾斜（LEL）上。 在垂直平面中，每个电子束作为发射电子束从四极透镜QEL出现），并且每个发散电子束入射到主电子透镜（LEL）上。 因此，每个电子束被正确地聚焦在屏幕上，并且三个电子束被主电极透镜（LEL）正确地会聚在会聚点上。