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    • 13. 发明申请
    • Adaptive Current Regulation for Solid State Lighting
    • 固态照明自适应电流调节
    • US20100213859A1
    • 2010-08-26
    • US12639255
    • 2009-12-16
    • Anatoly ShteynbergHarry RodriguezBradley M. LehmanDongsheng Zhou
    • Anatoly ShteynbergHarry RodriguezBradley M. LehmanDongsheng Zhou
    • H05B37/02
    • H05B37/02H05B33/0815H05B33/0851Y02B20/347
    • Exemplary embodiments provide an apparatus, system and method for power conversion to provide power to solid state lighting, and which may be coupled to a first switch, such as a dimmer switch. An exemplary system for power conversion comprises: a switching power supply comprising a second, power switch; solid state lighting coupled to the switching power supply; a voltage sensor; a current sensor; a memory; a first adaptive interface circuit to provide a resistive impedance to the first switch and conduct current from the first switch in a default mode; a second adaptive interface circuit to create a resonant process when the first switch turns on; and a controller to modulate the second adaptive interface circuit when the first switch turns on to provide a current path during the resonant process of the switching power supply.
    • 示例性实施例提供了一种用于功率转换以向固态照明提供电力的装置,系统和方法,并且其可以耦合到诸如调光器开关的第一开关。 用于电力转换的示例性系统包括:开关电源,包括第二电源开关; 固态照明耦合到开关电源; 电压传感器; 电流传感器; 记忆 第一自适应接口电路,用于向第一开关提供电阻性阻抗,并以默认模式传导来自第一开关的电流; 第二自适应接口电路,用于当第一开关导通时产生谐振过程; 以及控制器,用于当所述第一开关导通时调制所述第二自适应接口电路,以在所述开关电源的谐振处理期间提供电流路径。
    • 16. 发明授权
    • Adaptive current regulation for solid state lighting
    • 固态照明的自适应电流调节
    • US08558470B2
    • 2013-10-15
    • US12778767
    • 2010-05-12
    • Anatoly ShteynbergHarry RodriguezDongsheng ZhouBradley M. Lehman
    • Anatoly ShteynbergHarry RodriguezDongsheng ZhouBradley M. Lehman
    • H05B37/02H05B39/04H05B41/36
    • H05B33/0815H05B33/0851Y02B20/347
    • Exemplary embodiments provide an apparatus, system and method for power conversion to provide power to solid state lighting, and which may be coupled to a first switch, such as a dimmer switch. An exemplary system comprises: a switching power supply; solid state lighting; a first adaptive interface circuit to provide a resistive impedance to the first switch and conduct current from the first switch in a default mode; and a second adaptive interface circuit to create a resonant process. An exemplary apparatus comprises: a switching power supply; and an adaptive interface circuit comprising a resistive impedance coupled in series to a reactive impedance to conduct current from the first switch in a first current path in a default mode, and further comprising a second switch coupled to the reactive impedance to conduct current from the first switch in a second current path, with the adaptive interface circuit further damping oscillation when the first switch turns on.
    • 示例性实施例提供了一种用于功率转换以向固态照明提供电力的装置,系统和方法,并且其可以耦合到诸如调光器开关的第一开关。 示例性系统包括:开关电源; 固态照明; 第一自适应接口电路,用于向第一开关提供电阻性阻抗,并以默认模式传导来自第一开关的电流; 以及第二自适应接口电路,以产生谐振过程。 示例性装置包括:开关电源; 以及自适应接口电路,其包括串联耦合到无功阻抗的电阻阻抗,以在默认模式下在第一电流路径中传导来自第一开关的电流,并且还包括耦合到无功阻抗的第二开关,以将来自第一 切换到第二电流路径,当第一开关导通时,自适应接口电路进一步阻尼振荡。
    • 17. 发明授权
    • Adaptive current regulation for solid state lighting
    • 固态照明的自适应电流调节
    • US08441210B2
    • 2013-05-14
    • US12639255
    • 2009-12-16
    • Anatoly ShteynbergHarry RodriguezBradley M. LehmanDongsheng Zhou
    • Anatoly ShteynbergHarry RodriguezBradley M. LehmanDongsheng Zhou
    • H05B37/02
    • H05B37/02H05B33/0815H05B33/0851Y02B20/347
    • Exemplary embodiments provide an apparatus, system and method for power conversion to provide power to solid state lighting, and which may be coupled to a first switch, such as a dimmer switch. An exemplary system for power conversion comprises: a switching power supply comprising a second, power switch; solid state lighting coupled to the switching power supply; a voltage sensor; a current sensor; a memory; a first adaptive interface circuit to provide a resistive impedance to the first switch and conduct current from the first switch in a default mode; a second adaptive interface circuit to create a resonant process when the first switch turns on; and a controller to modulate the second adaptive interface circuit when the first switch turns on to provide a current path during the resonant process of the switching power supply.
    • 示例性实施例提供了一种用于功率转换以向固态照明提供电力的装置,系统和方法,并且其可以耦合到诸如调光器开关的第一开关。 用于电力转换的示例性系统包括:开关电源,包括第二电源开关; 固态照明耦合到开关电源; 电压传感器; 电流传感器; 记忆 第一自适应接口电路,用于向第一开关提供电阻性阻抗,并以默认模式传导来自第一开关的电流; 第二自适应接口电路,用于当第一开关导通时产生谐振过程; 以及控制器,用于当所述第一开关导通时调制所述第二自适应接口电路,以在所述开关电源的谐振处理期间提供电流路径。
    • 20. 发明申请
    • Digital Driver Apparatus, Method and System for Solid State Lighting
    • 数字驱动器设备,固态照明方法和系统
    • US20090079355A1
    • 2009-03-26
    • US11859680
    • 2007-09-21
    • Dongsheng ZhouAnatoly ShteynbergHarry RodriguezMark EasonLanh Nguyen
    • Dongsheng ZhouAnatoly ShteynbergHarry RodriguezMark EasonLanh Nguyen
    • H05B41/16H05B41/36
    • H05B33/0818
    • An apparatus, method and system are provided for controlling the solid state lighting, such as LEDs. An exemplary apparatus comprises: a switch for switching electrical current through the LEDs, a current sensor; a first comparator adapted to determine when a switch electrical current has reached a first predetermined threshold; a second comparator adapted to determine when the switch electrical current has reached a predetermined average current level; and a controller. The controller is adapted to turn the switch into an on state and an off state, to determine a first on time period as a duration between either a detection of a second predetermined current threshold or the turning the switch into the on state, and the detection of the predetermined average current level; to determine a second on time period as a duration between the detection of the predetermined average current level and the detection of the first predetermined current threshold; and to determine an on time period of the switch as substantially proportional to a sum of the first on time period and the second on time period. Additional exemplary embodiments utilize a difference between the first and second on time periods to generate an error signal to adjust the on time period of the switch.
    • 提供了用于控制诸如LED的固态照明的装置,方法和系统。 示例性装置包括:用于切换通过LED的电流的开关,电流传感器; 第一比较器,适于确定开关电流何时已经达到第一预定阈值; 第二比较器,适于确定开关电流何时已经达到预定的平均电流电平; 和控制器。 控制器适于将开关转到导通状态和断开状态,以将第一接通时间段确定为检测到第二预定电流阈值或将开关转到导通状态之间的持续时间,以及检测 的预定平均电流水平; 确定第二接通时间段作为所述预定平均电流电平的检测与所述第一预定电流阈值的检测之间的持续时间; 并且确定开关的接通时间段基本上与第一接通时间段和第二接通时间段的总和成比例。 另外的示例性实施例利用第一和第二导通时间段之间的差异来产生误差信号以调整开关的接通时间段。