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    • 1. 发明授权
    • Interchangeable LED bulbs
    • 可更换LED灯泡
    • US08823270B2
    • 2014-09-02
    • US13213247
    • 2011-08-19
    • Jing Jing YuShengwang Du
    • Jing Jing YuShengwang Du
    • H05B39/00
    • H05B33/0809F21K9/00F21S4/10F21Y2115/10H01L25/167H01L2924/0002H05B33/0803Y10S362/80Y10S362/806Y10S362/808Y10S362/812Y10T29/49117H01L2924/00
    • Disclosed are circuits that allow LED bulbs to be replaced regardless of color or construction of the LED element. When used for an LED light string, replacing an LED bulb does not affect the operation of the entire string. When used for other illumination purpose, for example, room light, the bulbs are interchangeable because they have the same operating voltage and current. A standardized input impedance is selected for all of the LED bulbs regardless of construction and color. A resistor circuit is used to create the standardized input impedance while optimizing the operating parameters of the LED element. The resistor circuit includes a bypass element so that if a LED element burns open, a series wired LED string will not go dark. This eliminates the necessity for parallel connected LED bulbs and allows enjoyment of other advantages and economies of series wired LED strings.
    • 公开了允许LED灯泡被替换的电路,而不管LED元件的颜色或结构如何。 当用于LED灯串时,更换LED灯泡不会影响整个灯串的运行。 当用于其他照明目的时,例如室内光,灯泡可互换,因为它们具有相同的工作电压和电流。 选择所有LED灯泡的标准输入阻抗,无论结构和颜色如何。 使用电阻电路来产生标准化的输入阻抗,同时优化LED元件的工作参数。 电阻电路包括旁路元件,使得如果LED元件烧断,串联的有线LED串将不会变暗。 这消除了并联LED灯泡的必要性,并且可以享受串联有线LED串的其他优点和经济性。
    • 2. 发明授权
    • Interchangeable LED bulbs
    • 可更换LED灯泡
    • US08016440B2
    • 2011-09-13
    • US12098423
    • 2008-04-05
    • Jing Jing YuShengwang Du
    • Jing Jing YuShengwang Du
    • G03B15/02
    • H05B33/0809F21K9/00F21S4/10F21Y2115/10H01L25/167H01L2924/0002H05B33/0803Y10S362/80Y10S362/806Y10S362/808Y10S362/812Y10T29/49117H01L2924/00
    • Disclosed are circuits that allow LED bulbs to be replaced regardless of color or construction of the LED element. When used for an LED light string, replacing an LED bulb does not affect the operation of the entire string. When used for other illumination purpose, for example, room light, the bulbs are interchangeable because they have the same operating voltage and current. A standardized input impedance is selected for all of the LED bulbs regardless of construction and color. A resistor circuit is used to create the standardized input impedance while optimizing the operating parameters of the LED element. The resistor circuit includes a bypass element so that if a LED element burns open, a series wired LED string will not go dark. This eliminates the necessity for parallel connected LED bulbs and allows enjoyment of other advantages and economies of series wired LED strings.
    • 公开了允许LED灯泡被替换的电路,而不管LED元件的颜色或结构如何。 当用于LED灯串时,更换LED灯泡不会影响整个灯串的运行。 当用于其他照明目的时,例如室内光,灯泡可互换,因为它们具有相同的工作电压和电流。 选择所有LED灯泡的标准输入阻抗,无论结构和颜色如何。 使用电阻电路来产生标准化的输入阻抗,同时优化LED元件的工作参数。 电阻电路包括旁路元件,使得如果LED元件烧断,串联的有线LED串将不会变暗。 这消除了并联LED灯泡的必要性,并且可以享受串联有线LED串的其他优点和经济性。
    • 3. 发明申请
    • INTERCHANGEABLE LED BULBS
    • 交联LED灯泡
    • US20120217896A1
    • 2012-08-30
    • US13213247
    • 2011-08-19
    • Jing Jing YuShengwang Du
    • Jing Jing YuShengwang Du
    • H05B37/00F21V23/00
    • H05B33/0809F21K9/00F21S4/10F21Y2115/10H01L25/167H01L2924/0002H05B33/0803Y10S362/80Y10S362/806Y10S362/808Y10S362/812Y10T29/49117H01L2924/00
    • Disclosed are circuits that allow LED bulbs to be replaced regardless of color or construction of the LED element. When used for an LED light string, replacing an LED bulb does not affect the operation of the entire string. When used for other illumination purpose, for example, room light, the bulbs are interchangeable because they have the same operating voltage and current. A standardized input impedance is selected for all of the LED bulbs regardless of construction and color. A resistor circuit is used to create the standardized input impedance while optimizing the operating parameters of the LED element. The resistor circuit includes a bypass element so that if a LED element burns open, a series wired LED string will not go dark. This eliminates the necessity for parallel connected LED bulbs and allows enjoyment of other advantages and economies of series wired LED strings.
    • 公开了允许LED灯泡被替换的电路,而不管LED元件的颜色或结构如何。 当用于LED灯串时,更换LED灯泡不会影响整个灯串的运行。 当用于其他照明目的时,例如室内光,灯泡可互换,因为它们具有相同的工作电压和电流。 选择所有LED灯泡的标准输入阻抗,无论结构和颜色如何。 使用电阻电路来产生标准化的输入阻抗,同时优化LED元件的工作参数。 电阻电路包括旁路元件,使得如果LED元件烧断,串联的有线LED串将不会变暗。 这消除了并联LED灯泡的必要性,并且可以享受串联有线LED串的其他优点和经济性。
    • 4. 发明申请
    • INTERCHANGEABLE LED BULBS
    • 交联LED灯泡
    • US20080258649A1
    • 2008-10-23
    • US12098423
    • 2008-04-05
    • Jing Jing YuShengwang Du
    • Jing Jing YuShengwang Du
    • H05B37/02H01J9/00
    • H05B33/0809F21K9/00F21S4/10F21Y2115/10H01L25/167H01L2924/0002H05B33/0803Y10S362/80Y10S362/806Y10S362/808Y10S362/812Y10T29/49117H01L2924/00
    • Disclosed are circuits that allow LED bulbs to be replaced regardless of color or construction of the LED element. When used for an LED light string, replacing an LED bulb does not affect the operation of the entire string. When used for other illumination purpose, for example, room light, the bulbs are interchangeable because they have the same operating voltage and current. A standardized input impedance is selected for all of the LED bulbs regardless of construction and color. A resistor circuit is used to create the standardized input impedance while optimizing the operating parameters of the LED element. The resistor circuit includes a bypass element so that if a LED element burns open, a series wired LED string will not go dark. This eliminates the necessity for parallel connected LED bulbs and allows enjoyment of other advantages and economies of series wired LED strings.
    • 公开了允许LED灯泡被替换的电路,而不管LED元件的颜色或结构如何。 当用于LED灯串时,更换LED灯泡不会影响整个灯串的运行。 当用于其他照明目的时,例如室内光,灯泡可互换,因为它们具有相同的工作电压和电流。 选择所有LED灯泡的标准输入阻抗,无论结构和颜色如何。 使用电阻电路来产生标准化的输入阻抗,同时优化LED元件的工作参数。 电阻电路包括旁路元件,使得如果LED元件烧断,串联的有线LED串将不会变暗。 这消除了并联LED灯泡的必要性,并且可以享受串联有线LED串的其他优点和经济性。
    • 5. 发明授权
    • Two-dimensional magneto-optical trap for neutral atoms
    • 用于中性原子的二维磁光阱
    • US08835833B2
    • 2014-09-16
    • US13598129
    • 2012-08-29
    • Shengwang DuShanchao ZhangShuyu ZhouGuang Yu YinChinmay Belthangady
    • Shengwang DuShanchao ZhangShuyu ZhouGuang Yu YinChinmay Belthangady
    • H05H3/00G21K1/00
    • G21K1/006
    • A two-dimensional (2D) magneto-optical trap (MOT) for alkali neutral atoms establishes a zero magnetic field along the longitudinal symmetry axis. Two of three pairs of trapping laser beams do not follow the symmetry axes of the quadruple magnetic field and are aligned with a large non-zero degree angles to the longitudinal axis. In a dark-line 2D MOT configuration, there are two orthogonal repumping beams. In each repumping beam, an opaque line is imaged to the longitudinal axis, and the overlap of these two line images creates a dark line volume in the longitudinal axis where there is no repumping light. The zero magnetic field along the longitudinal axis allows the cold atoms maintain a long ground-state coherence time without switching off the MOT magnetic field, which makes it possible to operate the MOT at a high repetition rate and a high duty cycle.
    • 用于碱性中性原子的二维(2D)磁光阱(MOT)沿纵向对称轴建立零磁场。 三对俘获激光束中的两对不遵循四极磁场的对称轴,并且与纵向轴线以非零度角大的对准。 在暗线2D MOT配置中,有两个正交的重排光束。 在每个排放光束中,不透明线被成像为纵向轴线,并且这两条线图像的重叠在不存在排斥光的纵轴上产生暗线体积。 沿着纵轴的零磁场允许冷原子保持长的基态相干时间,而不关闭MOT磁场,这使得可以以高重复率和高占空比操作MOT。