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    • 4. 发明授权
    • LED light source with trailing edge phase cut dimming
    • LED光源,后缘相位调光
    • US09326344B2
    • 2016-04-26
    • US14372846
    • 2013-01-25
    • Koninklijke Philips N.V.
    • Dmytro Viktorovych MalynaPatrick Alouisius Martina De BruyckerHarald Josef Gunther Rademacher
    • H05B33/08H05B39/09
    • H05B33/0851H05B33/0815H05B39/09
    • Dimmable LED light source comprising: —a rectifier having rectifier input terminals for connection to respective output terminals of a phase cut dimmer of the trailing edge type, input terminals of the phase cut dimmer being connected to the mains supply, and having a first rectifier output terminal and a second rectifier output terminal, —a bleeder circuit connecting the rectifier output terminals, —a series arrangement comprising a first unidirectional element and first capacitive means connecting the rectifier output terminals, —a converter circuit, having input terminals coupled to respective sides of the first capacitive means and output terminals coupled to a LED load, for generating a current through the LED load, in dependence on a dim signal, out of a voltage present across the capacitive means, —a dim circuit for generating a dim signal as a function of the adjusted phase angle of the phase cut dimmer and for supplying the dim signal to a dim input of the converter circuit, —a series arrangement comprising a switching element and second capacitive means coupled between a terminal between the first unidirectional element and the second output terminal of the rectifier, —a control circuit for controlling the switching element in the conductive state when the voltage between the first and second output terminals of the rectifier drops below a first predetermined reference and for controlling the switching element in the non-conductive state when the voltage across the second capacitive means has reached a second predetermined reference, wherein the first capacitive means is dimensioned so that the voltage between the first and the second output terminal of the rectifier equals the sum of the voltage across the first capacitive means and the voltage across the first unidirectional means if the switching element is non-conductive.
    • 可调光LED光源,包括:整流器,具有用于连接到后缘型相位切割调光器的相应输出端的整流器输入端,所述相位调光器的输入端连接到所述电源,并具有第一整流器输出 端子和第二整流器输出端子, - 连接整流器输出端子的放电电路, - 包括连接整流器输出端子的第一单向元件和第一电容性装置的串联装置, - 转换器电路,其具有耦合到 耦合到LED负载的第一电容装置和输出端,用于根据电容装置上存在的电压,根据暗信号产生通过LED负载的电流, - 用于产生暗信号作为 相位切割调光器的调整相位角的功能,并将暗信号提供给转换器的暗淡输入 电路, - 串联装置,包括开关元件和耦合在所述第一单向元件和所述整流器的第二输出端子之间的端子之间的第二电容性装置, - 控制电路,用于当所述开关元件之间的电压 整流器的第一和第二输出端子下降到低于第一预定参考值,并且当跨越第二电容性装置的电压达到第二预定基准时,用于控制开关元件处于非导通状态,其中第一电容性装置的尺寸使得 如果开关元件不导通,则整流器的第一和第二输出端之间的电压等于第一电容装置两端的电压和跨第一单向装置的电压之和。
    • 6. 发明授权
    • Emergency indicator light for vehicle pennant
    • 汽车三角旗紧急指示灯
    • US07687999B2
    • 2010-03-30
    • US11507700
    • 2006-08-21
    • Dale EssickIris Essick
    • Dale EssickIris Essick
    • H05B39/09
    • H05B39/09B60Q1/44B60Q1/50B60Q1/52
    • A safety light for vehicles, particularly small recreational vehicles such as all terrain vehicles, which is one or more light strips entwining the whip which supports the vehicle's pennant or flag. This invention can normally show light in a color which matches the color of the recreational vehicle. When the vehicle operator applies the brakes, the light entwining the whip changes to red to warn that the vehicle is braking. When the vehicle is overturned, or at the operator's command in the event of another emergency, the lights entwining the whip can be made to oscillate rapidly back and forth between the red and the other color that is normally shown. In this way the vehicle displays a clear emergency signal.
    • 用于车辆,特别是诸如所有地形车辆的小型休闲车辆的安全灯,其是与支撑车辆三角旗或旗帜的鞭状物相交的一个或多个轻带。 本发明通常可以显示与休闲车辆的颜色相匹配的颜色的光。 当车辆操作员应用制动器时,与鞭子相交的光变为红色以警告车辆制动。 当车辆被翻转,或者在发生另一个紧急情况时,在操作者的指令下,与鞭子相交的灯光可以在正常显示的红色和另一种颜色之间来回振动。 以这种方式,车辆显示清晰的紧急信号。
    • 9. 发明授权
    • Frequency controlled lighting system
    • 频率控制照明系统
    • US07057354B2
    • 2006-06-06
    • US10839520
    • 2004-05-05
    • Wai Kai WongLai Cheong Mak
    • Wai Kai WongLai Cheong Mak
    • H05B37/00H05B39/00H05B39/09H05B41/14H05B41/30
    • H05B37/029Y10S362/802
    • A method and apparatus for illuminating lighting elements in one or more predetermined patterns. A preferred frequency controlled lighting system implementing this method includes a motion switch, a controller, a sound generator, and lighting elements. The motion switch creates an activation signal in response to movement of the motion switch, which is detected by the controller. In response to the properties of the activation signal, the controller illuminates the lighting elements in one or more predetermined patterns, or the controller actuates the sound generator to generate sound. Preferably, the lighting system utilizes at least two integrated circuits where a first integrated circuit functions as the controller and a second integrated circuit, having a higher cutoff operating voltage than the first integrated circuit, functions as the sound generator.
    • 一种用于以一种或多种预定图案照亮照明元件的方法和装置。 实现该方法的优选频率控制照明系统包括运动开关,控制器,声音发生器和照明元件。 运动开关响应于由控制器检测到的运动开关的运动而产生激活信号。 响应于激活信号的属性,控制器以一个或多个预定模式照亮照明元件,或者控制器致动声音发生器以产生声音。 优选地,照明系统利用至少两个集成电路,其中第一集成电路用作控制器,并且具有比第一集成电路更高的截止操作电压的第二集成电路用作声音发生器。