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4 条记录 (耗时 0.009 秒)

    Improvements in or relating to travelling wave tubes
    2.
    发明公开
    Improvements in or relating to travelling wave tubes 失效
    行波管。

    公开(公告)号：EP0138462A1

    公开(公告)日：1985-04-24

    申请号：EP84306572.3

    申请日：1984-09-27

    申请人： English Electric Valve Company Limited

    发明人： Cooper, Brian Frederick ,  Esterson, Maurice

    IPC分类号： H01J23/04

    CPC分类号： H01J23/04

    摘要： @ The invention provides a travelling wave tube having a directly heated cathode. Cathode material is applied in a depression in one U-shaped member of a high resistance alloy material whilst the return path for heater current is provided by another U-shaped strip member beneath the first. The configurations of the two strip members are similar so that stray magnetic fields generated by the equal but opposite currents flowing therein, tend to neutralise one another. In another embodiment the two strip members are replaced by generally cylindrical members, one member being within the other. The surface of the member providing the return path for heater current is polished where it faces the member carrying the cathode material so as to reflect back heat radiated by the lastmentioned.

    Linear beam tubes
    4.
    发明公开
    Linear beam tubes 失效
    Linearstrahlröhren。

    公开(公告)号：EP0178359A1

    公开(公告)日：1986-04-23

    申请号：EP84307241.4

    申请日：1984-10-19

    申请人： English Electric Valve Company Limited ,  THE SECRETARY OF STATE FOR DEFENCE

    发明人： King, Robin Charles Moorhouse ,  Esterson, Maurice ,  Clarke, John, Dr.

    IPC分类号： H01J23/06 ,  H01J29/02

    CPC分类号： H01J23/06

    摘要： A linear beam tube may be protected against high voltage arcs between the cathode (2) and anode (3) of its electron gun by connecting to ground a limiting impedance in a series path from said anode. The anode is carried upon the end of a ceramic cylinder (8) which is coaxially within a conical metallic member (9). The end (1Q) of the ceramic cylinder remote from the anode is attached to one end of said conical metallic member, the other end of which is flanged, with the flange passing through the tube envelope to provide an external termination (11) which may be connected to ground. Resistive material is deposited in a groove (12) in the inner surface of said ceramic cylinder to form a deposited impedance which extends from the anode over the end of the ceramic cylinder, to the end of the conical metallic member and constitutes said limiting impedance.

    摘要翻译： 线性束管可以通过将来自所述阳极的串联路径中的限制阻抗连接到地来防止其电子枪的阴极（2）和阳极（3）之间的高电压电弧。 阳极被承载在陶瓷圆柱体（8）的端部，其同轴地位于锥形金属构件（9）内。 远离阳极的陶瓷圆柱体的端部（10）附接到所述圆锥形金属构件的一端，该锥形金属构件的另一端为凸缘，其中风门穿过管壳，以提供外部端子（11），其可以 连接到地面。 电阻材料沉积在所述陶瓷圆柱体的内表面中的凹槽（12）中以形成从陶瓷圆柱体的端部上的阳极延伸到锥形金属构件的端部并构成所述限制阻抗的沉积阻抗。