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    • 2. 发明授权
    • Color display system with color cathode ray tube having a high breakdown
voltage
    • 具有高击穿电压的彩色阴极射线管的彩色显示系统
    • US5668435A
    • 1997-09-16
    • US507991
    • 1995-07-27
    • Go UchidaShoji ShiraiTakashi KinamiNoboru Mizukami
    • Go UchidaShoji ShiraiTakashi KinamiNoboru Mizukami
    • H01J29/48H01J29/90H04N5/68H01J29/50G09G1/04H01J29/46H01J31/00
    • H01J29/90
    • A color display system including color cathode ray tube has an evacuated envelope including a panel which carries a phosphor screen, a glass neck which houses an electron gun mount assembly, a funnel connecting the faceplate panel and the glass neck, and a stem having a plurality of leads therethrough sealed to and closing the neck at an end thereof; and an electron gun mount assembly. The electron gun mount assembly is supported on the stem via the plurality of leads and has a cathode for generating an electron beam and directing it toward the phosphor screen, a beam control grid electrode, an accelerating electrode, a plurality of focusing electrodes, one of which focusing electrodes is adapted to be supplied with a voltage varying in accordance with an amount of deflection of the electron beam, an anode electrode, and a heater for heating the cathode. One of two terminals of the heater and the beam control grid electrode is connected to a common one of the plurality of leads for being supplied with a variable voltage for beam control. The other one of the two terminals of the heater is adapted to be supplied with a sum of the variable voltage for beam control and a voltage for heating the cathode.
    • 包括彩色阴极射线管的彩色显示系统具有抽真空的外壳,该外壳包括带荧光屏的面板,容纳电子枪安装组件的玻璃颈部,连接面板和玻璃颈部的漏斗以及具有多个 的引线通过其端部密封并闭合颈部; 和电子枪安装组件。 电子枪安装组件通过多个引线支撑在杆上,并具有用于产生电子束并将其引向荧光屏的阴极,光束控制栅电极,加速电极,多个聚焦电极, 该聚焦电极适于被提供根据电子束的偏转量而变化的电压,阳极电极和用于加热阴极的加热器。 加热器和光束控制栅电极的两个端子中的一个连接到多个引线中的公共引线,以供给用于波束控制的可变电压。 加热器的两个端子中的另一端适于提供用于光束控制的可变电压和用于加热阴极的电压之和。