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公开(公告)号：US07791584B2
公开(公告)日：2010-09-07
申请号：US11676312
申请日：2007-02-19
申请人： Dror Korcharz , Arkadiy Peker
发明人： Dror Korcharz , Arkadiy Peker
CPC分类号： H05B33/0893 , G09G3/006 , G09G3/3413 , G09G3/342 , G09G2320/0233 , G09G2320/041 , G09G2320/064 , G09G2320/0666 , G09G2330/021 , G09G2330/045 , G09G2330/08 , G09G2330/12 , G09G2360/14 , H05B33/0827 , H05B33/0869
摘要： A system for powering and controlling an LED backlight, the system comprising: a control circuitry; a plurality of LED strings; a pulse width modulation functionality associated with the control circuitry and arranged to pulse width modulate a current flow through each of the plurality of LED strings; and a plurality of current limiters responsive to the control circuitry, each of the plurality of current limiters being associated with a particular one of the plurality of LED strings and operative to limit current flow of the pulse width modulated current there-through, the control circuitry being operative in the event of a thermal condition of one of the plurality of current limiters to reduce a duty cycle of the pulse width modulation functionality of the current flow through the one of the plurality of current limiters.
摘要翻译： 一种用于为LED背光供电和控制的系统，所述系统包括：控制电路; 多个LED串; 与所述控制电路相关联并被布置成脉冲宽度调制通过所述多个LED串中的每一个的电流的脉冲宽度调制功能; 以及响应于所述控制电路的多个电流限制器，所述多个电流限制器中的每一个与所述多个LED串中的特定一个LED串相关联，并且用于限制所述脉冲宽度调制电流的电流流过所述控制电路 在所述多个限流器之一的热条件的情况下操作以减少通过所述多个限流器中的一个限流器的电流的脉冲宽度调制功能的占空比。
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公开(公告)号：US20050085212A1
公开(公告)日：2005-04-21
申请号：US10761327
申请日：2004-01-22
申请人： Arkadiy Peker , Dror Korcharz , Alon Ferentz , Yair Darshan
发明人： Arkadiy Peker , Dror Korcharz , Alon Ferentz , Yair Darshan
IPC分类号： H04L12/10 , H04L12/413 , H04L12/56 , H04L29/06 , H04M11/00
CPC分类号： H04L12/10 , H04L49/351 , H04L49/40 , H04L69/24 , Y10T307/653
摘要： A combiner for use with a powered device having high power needs, the combiner comprising: a first power input adapted to receive a first power signal over a first set of wire pairs utilized to carry communication data; a second power input adapted to receive a second power signal over a second set of wire pairs, wherein the first power signal is combined with the second power signal to produce a combined high power signal; and a control circuit operable to sense the combined high power signal and to supply the combined high power signal to a powered device in response to the sensed combined high power signal. Also disclosed is a local area network adapted to supply power to powered devices over a plurality of paths utilizing the combiner, the local area network thus supplying high power to a powered device.
摘要翻译： 一种用于具有高功率需求的供电设备的组合器，所述组合器包括：第一功率输入，适于经由用于承载通信数据的第一组线对接收第一功率信号; 第二电源输入，其适于在第二组线对上接收第二功率信号，其中所述第一功率信号与所述第二功率信号组合以产生组合的高功率信号; 以及控制电路，其可操作以响应于感测到的组合高功率信号来感测组合的高功率信号并将组合的高功率信号提供给受电设备。 还公开了一种局域网，其适于通过使用组合器的多个路径向受电设备供电，因此局域网因此向有源设备提供高功率。
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公开(公告)号：US08324830B2
公开(公告)日：2012-12-04
申请号：US12695191
申请日：2010-01-28
申请人： Arkadiy Peker , Tamir Langer , Dror Korcharz
发明人： Arkadiy Peker , Tamir Langer , Dror Korcharz
CPC分类号： H05B33/0872 , H05B33/086 , H05B33/0869 , Y02B20/341
摘要： A method of color control for a backlight utilizing colored light emitting diodes (LEDs), the method constituted of: providing a plurality of colored LED strings constituted of at least three different colors; lighting each of the plurality of colored LED strings to provide a backlight; providing a period wherein none of the colored LED strings are lit; obtaining during the provided period when none of the colored LED strings are lit, an indication of an ambient light; obtaining during the provided period when the colored LED strings are lit, an indication of the optical output of the colored LED strings; and controlling the lighting of the provided plurality of colored LED strings responsive to the received indication of ambient light and the received indication of the output of the colored LED strings. Preferably, the method is performed in cooperation with an on-board color sensor.
摘要翻译： 一种利用彩色发光二极管（LED）的背光的颜色控制方法，该方法包括：提供由至少三种不同颜色构成的多个彩色LED串; 点亮多个彩色LED串中的每一个以提供背光; 提供没有一个有色LED串点亮的时段; 在所提供的时段期间，当没有一个有色LED串被点亮时，获得环境光的指示; 在彩色LED串点亮期间的提供期间获得彩色LED串的光输出的指示; 以及响应于所接收的环境光的指示和所接收的彩色LED串的输出指示来控制所提供的多个彩色LED串的照明。 优选地，该方法与车载彩色传感器协同执行。
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4.发明授权Powering and controlling light emitting diodes via thermally separated arrays of dissipative active elements 有权通过散热活性元件的热分离阵列为发光二极管供电和控制公开(公告)号：US08169150B2
公开(公告)日：2012-05-01
申请号：US12541952
申请日：2009-08-16
申请人： Arkadiy Peker , Alon Ferentz , Dror Korcharz , Nadav Barnea , Migel Jacubovski , Itay Cohen , Gustavo Aizenberg
发明人： Arkadiy Peker , Alon Ferentz , Dror Korcharz , Nadav Barnea , Migel Jacubovski , Itay Cohen , Gustavo Aizenberg
CPC分类号： H05B33/0815 , H05B33/0827
摘要： A chipset for powering and controlling a plurality of light emitting diode (LED) strings. The chipset includes a controller having a pulse width modulating (PWM) functionality and a data transfer interface circuitry; and at least one dissipative active element array comprising a plurality of dissipative active elements. The dissipative active element array(s) are packaged to be thermally separate from the controller. The PWM functionality is arranged to individually pulse width modulate a current flow through each of the LED strings. Each of the plurality of dissipative active elements is associated with a particular one of the plurality of LED strings and is arranged to limit the current flow of the pulse width modulated current that flows through the particular LED string to a value, the value being responsive to a value output by the controller via the data transfer interface circuitry.
摘要翻译： 一种用于为多个发光二极管（LED）串供电和控制的芯片组。 该芯片组包括具有脉冲宽度调制（PWM）功能的控制器和数据传输接口电路; 以及包括多个耗散有源元件的至少一个耗散有源元件阵列。 耗散的有源元件阵列被封装成与控制器热分离。 PWM功能被布置为单独地脉冲宽度调制通过每个LED串的电流。 多个耗散有源元件中的每一个与多个LED串中的特定一个相关联，并且被布置为将流过特定LED串的脉冲宽度调制电流的电流限制为一个值，该值响应于 由控制器通过数据传输接口电路输出的值。
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公开(公告)号：US07923943B2
公开(公告)日：2011-04-12
申请号：US11621160
申请日：2007-01-09
申请人： Arkadiy Peker , Dror Korcharz
发明人： Arkadiy Peker , Dror Korcharz
IPC分类号： H05B37/02
CPC分类号： G09G3/3413 , G09G3/006 , G09G2320/041 , G09G2320/043 , G09G2320/0606 , G09G2320/0633 , G09G2320/064 , G09G2320/0666 , G09G2330/02 , G09G2330/021 , G09G2330/06 , G09G2360/145 , H05B33/0815 , H05B33/0818 , H05B33/0869 , H05B33/0872
摘要： A secondary side post regulator arrangement for a plurality of LED strings. For each secondary winding, a first electronically controlled switch is provided arranged to control the power output, and a LED string is connected thereto. A second electronically controlled switch is further connected in series with the LED string, arranged to receive a PWM signal, thereby pulsing current through the LED string. A current sensing element is further provided outputting a voltage representation of the current through the LED string, and a synchronized sampling circuit is provided arranged to sample the voltage representation during the on period of the second electronically controlled switch. The sampled and held voltage representation is compared with a reference signal and fed back to control the first electronically controlled switch. The voltage output associated with each secondary winding is controlled, responsive to the reference voltage.
摘要翻译： 用于多个LED串的二次侧后调节器装置。 对于每个次级绕组，提供布置成控制功率输出的第一电子控制开关，并且LED串连接到其上。 第二电子控制开关还与LED串串联连接，布置成接收PWM信号，从而脉冲通过LED串的电流。 还提供电流感测元件，其输出通过LED串的电流的电压表示，并且提供同步采样电路，布置成在第二电子控制开关的导通期间对电压表示进行采样。 将采样和保持的电压表示与参考信号进行比较并反馈以控制第一电子控制开关。 响应于参考电压，控制与每个次级绕组相关联的电压输出。
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公开(公告)号：US07492059B2
公开(公告)日：2009-02-17
申请号：US10761327
申请日：2004-01-22
申请人： Arkadiy Peker , Dror Korcharz , Alon Ferentz , Yair Darshan
发明人： Arkadiy Peker , Dror Korcharz , Alon Ferentz , Yair Darshan
IPC分类号： H02J1/00
CPC分类号： H04L12/10 , H04L49/351 , H04L49/40 , H04L69/24 , Y10T307/653
摘要： A combiner for use with a powered device having high power needs, the combiner comprising: a first power input adapted to receive a first power signal over a first set of wire pairs utilized to carry communication data; a second power input adapted to receive a second power signal over a second set of wire pairs, wherein the first power signal is combined with the second power signal to produce a combined high power signal; and a control circuit operable to sense the combined high power signal and to supply the combined high power signal to a powered device in response to the sensed combined high power signal. Also disclosed is a local area network adapted to supply power to powered devices over a plurality of paths utilizing the combiner, the local area network thus supplying high power to a powered device.
摘要翻译： 一种用于具有高功率需求的供电设备的组合器，所述组合器包括：第一功率输入，适于经由用于承载通信数据的第一组线对接收第一功率信号; 第二电源输入，其适于在第二组线对上接收第二功率信号，其中所述第一功率信号与所述第二功率信号组合以产生组合的高功率信号; 以及控制电路，其可操作以响应于感测到的组合高功率信号来感测组合的高功率信号并将组合的高功率信号提供给受电设备。 还公开了一种局域网，其适于通过使用组合器的多个路径向受电设备供电，因此局域网因此向有源设备提供高功率。
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公开(公告)号：US07484109B2
公开(公告)日：2009-01-27
申请号：US11223030
申请日：2005-09-12
申请人： Daniel Feldman , Arkadiy Peker , Dror Korcharz , Simon Kahn , Ilan Atias , Mohamad A. Saleh
发明人： Daniel Feldman , Arkadiy Peker , Dror Korcharz , Simon Kahn , Ilan Atias , Mohamad A. Saleh
IPC分类号： G06F1/26
摘要： A system for placing and maintaining a computer in a standby mode during power failure, utilizing one of: a powered device controller exhibiting a maintain power signature functionality and arranged to receive power over communication cabling; and a MEMS flywheel energy system to provide a standby power. The standby power is less than the power required for full operation. In one embodiment the system additionally exhibits: a mains power failure sensor; a volatile memory arranged to be powered from the source of standby power in the event of a failure of mains power; and a processor operative responsive to the mains power failure sensor to store status information on the volatile memory and reduce power demand of the processor and associated devices to no more than that available from the source of standby power.
摘要翻译： 一种用于在电源故障期间将计算机放置和维持在备用模式中的系统，其利用下列之一：具有维护功率签名功能并被布置成通过通信电缆接收电力的有源设备控制器; 和一个MEMS飞轮能量系统来提供备用电源。 待机功率小于全面运行所需的功率。 在一个实施例中，该系统还显示：主电源故障传感器; 易失性存储器，被布置成在主电源故障的情况下从备用电源供电; 以及处理器，其响应于所述电源电力故障传感器来操作以将所述易失性存储器上的状态信息存储在存储器中，并且将所述处理器和相关设备的电力需求降低到不超过所述备用电源的可用量。
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公开(公告)号：US20060242458A1
公开(公告)日：2006-10-26
申请号：US11222791
申请日：2005-09-12
申请人： Daniel Feldman , Arkadiy Peker , Dror Korcharz , Simon Kahn , Mohamad Salem
发明人： Daniel Feldman , Arkadiy Peker , Dror Korcharz , Simon Kahn , Mohamad Salem
IPC分类号： G06F11/00
CPC分类号： G06F11/1441
摘要： A system for backing up a computer in the event of a mains power failure, the system comprising: sensing means operative to sense a failure of mains power; means for receiving power over data communication cabling; a volatile memory; means for feeding power from the means for receiving power to the volatile memory; and an interrupt generating means for generating an interrupt to a processor responsive to the sensing means, the processor being operative responsive to the generated interrupt to store status information on the volatile memory.
摘要翻译： 一种用于在发生电源故障的情况下备份计算机的系统，所述系统包括：用于感测主电源故障的感测装置; 用于通过数据通信布线接收电力的装置; 易失记录; 用于从用于接收电力的装置向易失性存储器供电的装置; 以及中断产生装置，用于响应于感测装置向处理器产生中断，所述处理器响应所产生的中断来操作以将状态信息存储在易失性存储器上。
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公开(公告)号：US08378586B2
公开(公告)日：2013-02-19
申请号：US12895875
申请日：2010-10-01
CPC分类号： H05B33/0818 , G09G3/3406 , G09G2320/0233 , G09G2320/043 , G09G2320/0633 , G09G2320/064 , G09G2330/02 , G09G2330/08 , H05B33/0866
摘要： A backlight system for light emitting diodes (LEDs), the backlight system constituted of: a controllable power source; a plurality of LED based luminaires arranged to receive power in parallel from the controllable power source; a plurality of driving circuitries, each of the plurality of driving circuitries arranged to control the light output of at least two of the plurality of LED based luminaires and further arranged to output information regarding the voltage drop of at least one of the at least two LED based luminaires controlled thereby, wherein the controllable power source is arranged to output a voltage whose value is responsive to the output information.
摘要翻译： 一种用于发光二极管（LED）的背光系统，所述背光系统由可控电源构成; 多个基于LED的照明器，被布置成从可控电源并行接收功率; 多个驱动电路，所述多个驱动电路中的每一个布置成控制所述多个基于LED的照明器中的至少两个的光输出，并且还被布置成输出关于所述至少两个LED中的至少一个的电压降的信息 其中所述可控电源被布置成输出其值响应于所述输出信息的电压。
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公开(公告)号：US07969430B2
公开(公告)日：2011-06-28
申请号：US11676313
申请日：2007-02-19
申请人： Dror Korcharz , Alon Ferentz , Roni Blaut , Arkadiy Peker , Tamir Langer
发明人： Dror Korcharz , Alon Ferentz , Roni Blaut , Arkadiy Peker , Tamir Langer
CPC分类号： H05B33/0893 , G09G3/006 , G09G3/3413 , G09G3/342 , G09G2320/0233 , G09G2320/041 , G09G2320/064 , G09G2320/0666 , G09G2330/021 , G09G2330/045 , G09G2330/08 , G09G2330/12 , G09G2360/14 , H05B33/0827 , H05B33/0869
摘要： A system for powering and controlling an LED backlight, the system comprising: a control circuitry; a controllable power source responsive to the control circuitry; and a plurality of LED strings receiving power from the controllable power source, the control circuitry being operative to control the output voltage of the controllable power source responsive to a function of an electrical characteristic of at least one of the plurality of LED strings.
摘要翻译： 一种用于为LED背光供电和控制的系统，所述系统包括：控制电路; 响应于所述控制电路的可控电源; 以及从所述可控电源接收电力的多个LED串，所述控制电路可操作以响应于所述多个LED串中的至少一个LED串的电特性的功能来控制所述可控电源的输出电压。
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