公开(公告)号：US20130057155A1

公开(公告)日：2013-03-07

申请号：US13579516

申请日：2011-02-10

申请人： Filippo Branchetti ,  Paolo De Anna ,  Tobias Frost

发明人： Filippo Branchetti ,  Paolo De Anna ,  Tobias Frost

IPC分类号： H05B37/02

CPC分类号： H05B33/0818 ,  H05B33/086

摘要： A method for supplying power to a plurality of light generators (CH1, CH2, CH3) which emit respective chromatically different light radiations that can be mixed with one another to produce a mixed light radiation by selectively activating said generators with respective supply powers (P1, P2, P3) over respective activation intervals (T1, T2, T3) included in an activation period (T), provides for: identifying (102) at least one pair of generators (CH1, CH2; CH2, CH3) for which the sum of the respective activation intervals (T1, T2; T2, T3) is less than said activation period (T), and temporally offsetting the activation (106) of the generators (CH1, CH2; CH2, CH3) in the one pair, avoiding simultaneous activation.

摘要翻译： 一种用于向多个光发生器（CH1，CH2，CH3）供电的方法，所述多个光发生器（CH1，CH2，CH3）发射各自的不同的光辐射，所述光辐射可以彼此混合以通过以相应的供电功率选择性地激活所述发生器来产生混合光辐射， P2，P3）包括在激活周期（T）中的各个激活间隔（T1，T2，T3），提供：识别（102）至少一对发生器（CH1，CH2; CH2，CH3） 各个激活间隔（T1，T2; T2，T3）小于所述激活周期（T），并且在时间上抵消一对中的发生器（CH1，CH2; CH2，CH3）的激活（106），避免 同时激活。

公开(公告)号：US20110260650A1

公开(公告)日：2011-10-27

申请号：US13085496

申请日：2011-04-13

申请人： Federico Carraro ,  Paolo De Anna ,  Diego Fighera

发明人： Federico Carraro ,  Paolo De Anna ,  Diego Fighera

IPC分类号： H05B37/02

CPC分类号： H05B33/0851 ,  H05B33/083

摘要： In various embodiments, a device for controlling power supply towards at least one light source comprising a load having a value variable as a result of switching of at least one switch coupled thereto, is provided. The device may include: a power supply set controllable to determine the intensity of the current fed towards said load; a current feedback loop sensitive to the intensity of the current fed towards said load, said current feedback loop connected to said power supply set to maintain the intensity of the current fed towards said load upon variation of said load; and a voltage control sensitive to the voltage across said load, said voltage control likewise connected to said power supply set to maintain the intensity of the current fed towards said load upon variation of said load.

摘要翻译： 在各种实施例中，提供了一种用于控制朝向至少一个光源的电源的装置，其包括作为结合至少一个开关的开关的结果而具有可变值的负载。 该装置可以包括：电源组，其可控制以确定朝向所述负载馈送的电流的强度; 电流反馈回路，其对于朝向所述负载馈送的电流的强度敏感，所述电流反馈回路连接到所述电源组，以在所述负载变化时保持朝向所述负载馈送的电流的强度; 以及对所述负载上的电压敏感的电压控制，所述电压控制同样连接到所述电源组，以保持在所述负载变化时朝向所述负载馈送的电流的强度。

公开(公告)号：US20060170370A1

公开(公告)日：2006-08-03

申请号：US11339492

申请日：2006-01-26

申请人： Paolo De Anna

发明人： Paolo De Anna

IPC分类号： F21S4/00

CPC分类号： H05B33/0848 ,  H05B41/3921

摘要： Dimming a light source such as a LED over a dimming range (0%-100%) involves adjusting at least one of the intensity (I) and the duty-cycle (DR) of a current flowing through the light source. The dimming range includes at least one portion (L%-H%; 0%-H%) where the light source is fed with a current whose intensity (I) is switched with a given duty cycle (DR) between a non-zero on value and zero, the non-zero on value being a fraction of said rated value (Irated), whereby joint CC and PWM dimming is achieved.

摘要翻译： 在诸如LED的调光范围（0％-100％）之间调光光源涉及调节流过光源的电流的强度（I）和占空比（DR）中的至少一个。 调光范围包括至少一部分（L％-H％; 0％-H％），其中光源被馈送电流，其强度（I）以给定的占空比（DR）在非零 on值和零，非零导通值是所述额定值（Irated）的一小部分，由此实现了联合CC和PWM调光。