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99 条记录 (耗时 0.035 秒)

    Dimmer with motion and light sensing
    82.
    发明授权
    Dimmer with motion and light sensing 有权
    调光器具有运动和感光

    公开(公告)号：US09560718B2

    公开(公告)日：2017-01-31

    申请号：US14071345

    申请日：2013-11-04

    申请人： Laurence P. Sadwick

    发明人： Laurence P. Sadwick

    IPC分类号： H05B37/02

    CPC分类号： H05B37/0227 ,  H05B37/0218 ,  H05B37/0272 ,  Y02B20/46

    摘要： A dimming system includes an alternating current input, a reference crossing detector operable to detect when a signal derived from the alternating current input crosses a reference level, a ramp signal generator operable to generate a ramp signal with a changing voltage, wherein the ramp signal generator is operable to restart the ramp signal based on an output of the reference crossing detector, a switch operable to control a current derived from the alternating current input to a load output, a switch driver operable to control the switch based at least in part on the ramp signal, and a difference amplifier operable to generate a difference between the ramp signal and an input from a light sensor, wherein the switch driver is operable to control the switch based at least in part on the difference.

    摘要翻译： 调光系统包括交流输入，参考交叉检测器，其可操作以检测从交流输入导出的信号何时穿过参考电平;斜坡信号发生器，其可操作以产生具有变化的电压的斜坡信号，其中斜坡信号发生器 可操作以基于所述参考交叉检测器的输出重新启动所述斜坡信号，所述开关可操作以控制从输入到负载输出的交流输入的电流;开关驱动器，其可操作以至少部分地基于 斜坡信号和差分放大器，其可操作以产生斜坡信号和来自光传感器的输入之间的差异，其中开关驱动器可操作以至少部分地基于差异来控制开关。

    Low current thyristor-based dimming
    83.
    发明授权
    Low current thyristor-based dimming 有权
    低电流基于晶闸管的调光

    公开(公告)号：US09006992B2

    公开(公告)日：2015-04-14

    申请号：US12716522

    申请日：2010-03-03

    申请人： Laurence P. Sadwick ,  William B. Sackett

    发明人： Laurence P. Sadwick ,  William B. Sackett

    IPC分类号： H05B37/02 ,  H02J3/14 ,  H03K17/72 ,  H05B33/08

    CPC分类号： H02M3/33515 ,  H03K17/72 ,  H05B33/0815 ,  Y02B20/346 ,  Y10T307/469

    摘要： Various apparatuses and methods for starting a thyristor are disclosed herein. For example, some embodiments provide an apparatus for controlling power to a load. The apparatus includes a thyristor, a secondary load switchably connected to an output of the thyristor, and a sensor connected to the secondary load. The sensor is adapted to connect the secondary load to the thyristor when the output of the thyristor falls below a predetermined level.

    摘要翻译： 本文公开了用于启动晶闸管的各种装置和方法。 例如，一些实施例提供了一种用于控制负载功率的装置。 该装置包括晶闸管，可切换地连接到晶闸管的输出端的次级负载和连接到次级负载的传感器。 当晶闸管的输出低于预定水平时，该传感器适于将次级负载连接到晶闸管。

    Dimming driver with stealer switch
    84.
    发明授权
    Dimming driver with stealer switch 有权
    调光驱动器带窃取开关

    公开(公告)号：US08987997B2

    公开(公告)日：2015-03-24

    申请号：US13769378

    申请日：2013-02-17

    申请人： Laurence P. Sadwick

    发明人： Laurence P. Sadwick

    IPC分类号： H05B37/02 ,  H05B33/08

    CPC分类号： H05B33/08 ,  H05B33/0815 ,  Y02B20/346

    摘要： An apparatus for supplying power includes a power input, an output driver operable to transfer power from the power input to a load output, an output driver control switch operable to control a current from the power input through the output driver, a pulse generator operable to generate a pulse signal to control the output driver control switch, and a stealer switch operable to disable the pulse signal.

    摘要翻译： 一种用于供电的设备包括电源输入端，可操作以将功率从功率输入传送到负载输出的输出驱动器，可操作以通过输出驱动器控制来自电力输入的电流的输出驱动器控制开关，可操作以 产生脉冲信号以控制输出驱动器控制开关，以及可操作以禁用脉冲信号的窃取开关。

    Linear LED Driver
    85.
    发明申请
    Linear LED Driver 审中-公开
    线性LED驱动器

    公开(公告)号：US20140265899A1

    公开(公告)日：2014-09-18

    申请号：US14218919

    申请日：2014-03-18

    申请人： Laurence P. Sadwick

    发明人： Laurence P. Sadwick

    IPC分类号： H05B33/08

    CPC分类号： H05B33/0812 ,  Y02B20/345

    摘要： A linear driver circuit includes an AC input, a rectifier connected to the AC input, a linear power supply connected to the rectifier, a load output connected to the linear power supply, a current detector connected to the load output, and a controller connected to the current detector and to the linear power supply.

    摘要翻译： 线性驱动电路包括AC输入，连接到AC输入的整流器，连接到整流器的线性电源，连接到线性电源的负载输出，连接到负载输出的电流检测器，以及连接到 电流检测器和线性电源。

    Constant Current Source
    86.
    发明申请
    Constant Current Source 审中-公开
    恒流源

    公开(公告)号：US20140177304A1

    公开(公告)日：2014-06-26

    申请号：US14140453

    申请日：2013-12-24

    申请人： Laurence P. Sadwick

    发明人： Laurence P. Sadwick

    IPC分类号： H02M7/06

    CPC分类号： H02M7/06 ,  H02M1/14

    摘要： A constant current source includes an alternating current input, a pair of capacitors connected in parallel with a load output, a pair of diodes connected in parallel with the pair of capacitors, wherein a first lead of the alternating current input is connected between the pair of diodes and a second lead of the alternating current input is connected between the pair of capacitors, and wherein capacitances of the pair of capacitors are selected to produce a substantially constant current to the load output at a voltage lower than that of the alternating current input.

    摘要翻译： 恒流源包括交流输入，与负载输出并联连接的一对电容器，与该对电容器并联连接的一对二极管，其中交流输入的第一引线连接在所述一对 二极管和交流输入的第二引线连接在该对电容器之间，并且其中选择该对电容器的电容以在低于交流输入的电压下向负载输出产生基本恒定的电流。

    LED dimming driver
    89.
    发明授权
    LED dimming driver 失效
    LED调光驱动器

    公开(公告)号：US08593079B2

    公开(公告)日：2013-11-26

    申请号：US13072733

    申请日：2011-03-27

    申请人： Laurence P. Sadwick ,  William B. Sackett

    发明人： Laurence P. Sadwick ,  William B. Sackett

    IPC分类号： H05B37/02

    CPC分类号： H05B33/08 ,  H05B33/0815 ,  H05B33/0845

    摘要： Various embodiments of an LED dimming driver are disclosed herein. In some embodiments, an apparatus for dimmably driving at least one load includes a power supply having a voltage output, a controller having at least one current setpoint output, and at least one driver channel circuit connected to the voltage output of the power supply and to at least one of the at least one current setpoint outputs, the at least one driver channel circuit having a load output.

    摘要翻译： 这里公开了LED调光驱动器的各种实施例。 在一些实施例中，用于可调节地驱动至少一个负载的装置包括具有电压输出的电源，具有至少一个电流设定值输出的控制器和连接到电源的电压输出的至少一个驱动器通道电路， 所述至少一个电流设定值输出中的至少一个，所述至少一个驱动器通道电路具有负载输出。