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    • 4. 发明申请
    • Fluorescent Lamp Power Supply
    • 荧光灯电源
    • US20130336015A1
    • 2013-12-19
    • US13969690
    • 2013-08-19
    • Laurence P. SadwickWilliam B. Sackett
    • Laurence P. SadwickWilliam B. Sackett
    • H05B37/02
    • H05B37/02H05B41/2824H05B41/3927
    • Various embodiments of a fluorescent lamp power supply are disclosed herein. In one embodiment, a power supply includes a power input connected to a pulse generator. The power supply also includes a filter connected to a variable pulse width output on the pulse generator and to the power input. The filter is adapted to substantially block at least one harmonic frequency component of the variable pulse width output and to substantially pass a fundamental frequency component of the variable pulse width output. The power supply also includes a power output connected to the filter, wherein an amplitude at the power output is related to the pulse width at the variable pulse width output.
    • 本文公开了荧光灯电源的各种实施例。 在一个实施例中,电源包括连接到脉冲发生器的电源输入。 电源还包括连接到脉冲发生器上的可变脉冲宽度输出端和电源输入端的滤波器。 滤波器适于基本上阻挡可变脉冲宽度输出的至少一个谐波频率分量并且基本上传递可变脉冲宽度输出的基频分量。 电源还包括连接到滤波器的功率输出,其中功率输出处的振幅与可变脉冲宽度输出处的脉冲宽度相关。
    • 9. 发明授权
    • Dimmable power supply
    • 调光电源
    • US08502477B2
    • 2013-08-06
    • US13404514
    • 2012-02-24
    • Laurence P. SadwickNeil J. Barabas
    • Laurence P. SadwickNeil J. Barabas
    • H05B37/02
    • H05B33/0815H05B33/0824H05B33/0887
    • Various embodiments of a dimmable power supply are disclosed herein. For example, some embodiments provide a dimmable power supply including an output driver, a variable pulse generator and a load current detector. The output driver has a power input, a control input and a load path. The variable pulse generator includes a control input and a pulse output, with the pulse output connected to the output driver control input. The variable pulse generator is adapted to vary a pulse width at the pulse output based on a signal at the control input. The load current detector has an input connected to the output driver load path and an output connected to the variable pulse generator control input. The load current detector has a time constant adapted to substantially filter out a change in a load current at a frequency of pulses at the variable pulse generator pulse output.
    • 本文公开了可调光电源的各种实施例。 例如,一些实施例提供了包括输出驱动器,可变脉冲发生器和负载电流检测器的可调光电源。 输出驱动器具有电源输入,控制输入和负载路径。 可变脉冲发生器包括控制输入和脉冲输出,脉冲输出连接到输出驱动器控制输入。 可变脉冲发生器适于基于控制输入处的信号改变脉冲输出处的脉冲宽度。 负载电流检测器具有连接到输出驱动器负载路径的输入和连接到可变脉冲发生器控制输入的输出。 负载电流检测器具有时间常数,适合于以可变脉冲发生器脉冲输出的脉冲频率基本上滤除负载电流的变化。
    • 10. 发明授权
    • Coupled cavity traveling wave tube
    • 耦合腔行波管
    • US08476830B2
    • 2013-07-02
    • US12956396
    • 2010-11-30
    • Ruey-Jen HwuLaurence P. SadwickJishi Ren
    • Ruey-Jen HwuLaurence P. SadwickJishi Ren
    • H01J19/80
    • H01J25/34H01J23/24
    • Various embodiments of a coupled cavity traveling wave tube are disclosed herein. For example, some embodiments provide a coupled cavity traveling wave tube including a plurality of core segments arranged in spaced-apart fashion to form an electron beam tunnel, a first longitudinal member adjacent the plurality of core segments alternately extending toward and receding from successive core segments, and a second longitudinal member adjacent to the plurality of core segments alternately extending toward and receding from successive core segments. The first and second longitudinal members are offset to extend toward different core segments.
    • 本文公开了耦合腔行波管的各种实施例。 例如,一些实施例提供耦合的空腔行波管,其包括以间隔开的方式布置以形成电子束通道的多个芯部段,与多个芯部分相邻的第一纵向部件,其交替地向连续的芯部段 ,并且与所述多个芯部段相邻的第二纵向部件交替地向连续的芯部段延伸并且从相继的芯部部分退回。 第一和第二纵向构件偏移以朝向不同的芯段延伸。