利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

121 条记录 (耗时 0.014 秒)

    Traveling wave tube with periodic permanent magnet focused multiple electron beams
    1.
    发明授权
    Traveling wave tube with periodic permanent magnet focused multiple electron beams 有权

    公开(公告)号：US10692681B1

    公开(公告)日：2020-06-23

    申请号：US14688762

    申请日：2015-04-16

    申请人： R. Lawrence Ives ,  Michael Read ,  Patrick Ferguson

    发明人： R. Lawrence Ives ,  Michael Read ,  Patrick Ferguson

    IPC分类号： H01J25/42 ,  H01J23/02

    摘要： A coupled cavity traveling wave tube has periodic permanent magnet (PPM) RF cavity structures, each of which has a plurality of permanent magnets placed substantially equidistant from a central axis, and which are outside the extent of a plurality of electron beam tunnels arranged substantially equidistant from the central axis and within the extents of the plurality of permanent magnets. Each coupled cavity RF structure is formed by adjacent ferrous polepieces and a cylindrical wall which is beyond the extent of one or more coupling apertures which couple RF energy from one coupled cavity structure to an adjacent RF cavity.

    Traveling wave tube oscillator/amplifier with superconducting RF circuit
    2.
    发明授权
    Traveling wave tube oscillator/amplifier with superconducting RF circuit 失效
    带超导RF电路的行波管振荡器/放大器

    公开(公告)号：US4820688A

    公开(公告)日：1989-04-11

    申请号：US126080

    申请日：1987-11-27

    申请人： Louis J. Jasper, Jr.

    发明人： Louis J. Jasper, Jr.

    IPC分类号： H01J23/16 ,  H01J23/24 ,  H01J25/42 ,  H01J25/44

    CPC分类号： H01J23/24 ,  H01J23/165 ,  Y10S505/826 ,  Y10S505/853 ,  Y10S505/855 ,  Y10S505/866

    摘要： Microwave oscillators and amplifiers which utilize a superconducting slow-wave circuit. The slow circuit is made from materials which exhibit superconductivity at relatively high critical temperatures. The slow wave circuit is integral with the device's vacuum housing. Coolant exterior to the vacuum housing maintains the circuit in the superconducting state. The slow-wave circuit, which protrudes into the vacuum housing provides modulation of an electron beam which traverses the interior of the vacuum housing. Output power is ultimately extracted from the slow wave circuit.

    摘要翻译： 采用超导慢波电路的微波振荡器和放大器。 慢速电路由在较高临界温度下显示超导性的材料制成。 慢波电路与设备的真空外壳是一体的。 真空外壳的外部冷却液将电路保持在超导状态。 突出到真空壳体中的慢波电路提供横穿真空壳体内部的电子束的调制。 输出功率最终从慢波电路中提取出来。

    Variable coupling resistance delay line for crossed field tube
    3.
    发明授权
    Variable coupling resistance delay line for crossed field tube 失效
    交叉场管的可变耦合电阻延迟线

    公开(公告)号：US4381475A

    公开(公告)日：1983-04-26

    申请号：US200483

    申请日：1980-10-24

    申请人： Jean P. Morizot ,  Rene Gerber

    发明人： Jean P. Morizot ,  Rene Gerber

    IPC分类号： H01J23/24 ,  H01J25/42 ,  H01J25/34

    CPC分类号： H01J23/24 ,  H01J25/42

    摘要： The thickness of the fingers of the line is modified, while the pitch of the fingers is kept constant, so that the capacitance between two successive fingers varies substantially proportionally to the product P.sub.HF .times.dI/dx, in which P.sub.HF represents the microwave power at any point x in the line and dI/dx the gradient, as a function of the position x on the line, of the current I delivered by the voltage supply creating a continuous electrical field E.sub.o between the electrodes of the tube. The values of P.sub.HF and of I are measured on the tube having a constant coupling resistance or are calculated by a computer program.

    摘要翻译： 线的手指的厚度被修改，而手指的间距保持恒定，使得两个连续手指之间的电容与产品PHFxdI / dx成正比地变化，其中PHF表示任何点x处的微波功率 在线路和dI / dx梯度，作为线路上位置x的函数，由电压源传递的电流I产生在管的电极之间的连续电场Eo。 在具有恒定耦合电阻的管上测量PHF和I的值，或通过计算机程序计算。

    Multi-resonator microwave oscillator
    5.
    发明授权
    Multi-resonator microwave oscillator 失效
    多谐振微波振荡器

    公开(公告)号：US3980920A

    公开(公告)日：1976-09-14

    申请号：US592590

    申请日：1975-07-02

    申请人： Kenneth W. Dudley ,  George H. MacMaster ,  Lawrence J. Nichols

    发明人： Kenneth W. Dudley ,  George H. MacMaster ,  Lawrence J. Nichols

    IPC分类号： H01J25/42 ,  H01J25/34

    CPC分类号： H01J25/42

    摘要： A microwave oscillator is provided having electron emissive means and a first surrounding resonant structure. The first structure is fabricated of a material capable of emitting secondary electrons. A second resonant structure surrounds the secondary electron emitter and microwave energy is generated by the interaction between the electrons and currents induced in the structure. The high degree of isolation between the first oscillator section and the second amplifying section results in the generation of stable oscillations relatively free of effects of load variations.

    摘要翻译： 提供具有电子发射装置和第一环绕谐振结构的微波振荡器。 第一结构由能够发射二次电子的材料制成。 第二共振结构围绕二次电子发射体，微波能量由结构中感应的电子和电流之间的相互作用产生。 第一振荡器部分和第二放大部分之间的高度隔离导致产生相对不受负载变化影响的稳定振荡。