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公开(公告)号：US09213049B2
公开(公告)日：2015-12-15
申请号：US13742377
申请日：2013-01-16
发明人： Eli Ohana
IPC分类号： G06F15/177 , G01R21/00 , H04L12/10
摘要： A powered device interface arranged as an interface between power received over a structured communication cabling and a powered device, the powered device interface constituted of: a class event counter; a logic circuit in communication with the class event counter; and a plurality of flag outputs each responsive to the logic circuit, each of the flag outputs associated with a predetermined powering level of a power sourcing equipment connected over the structured communication cabling, the logic circuit arranged to: output an active signal at the flag output associated with a detected powering level of the connected power sourcing equipment; and output an active signal at all other flag outputs associated with powering levels less than the detected powering level of the connected power sourcing equipment.
摘要翻译： 被配置为通过结构化通信电缆接收的功率与被供电设备之间的接口的供电设备接口，所述供电设备接口由以下组件构成：类事件计数器; 与类事件计数器通信的逻辑电路; 以及响应于逻辑电路的多个标志输出，每个标志输出与通过结构化通信电缆连接的电源设备的预定供电电平相关联，逻辑电路被布置成：在标志输出端输出有效信号 与连接的电源设备的检测到的供电电平相关联; 并且在与所连接的电源设备的检测到的供电电平小于功率电平相关联的所有其它标志输出处输出有效信号。
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2.发明授权Power sourcing equipment for power over ethernet with low energy standby mode 有权采用低能量待机模式的以太网电源供电设备公开(公告)号：US08943344B2
公开(公告)日：2015-01-27
申请号：US13652504
申请日：2012-10-16
发明人： Yaniv Giat
CPC分类号： H04L12/4625 , H04L12/10
摘要： A power sourcing equipment (PSE) exhibiting a low power sleep mode, the PSE constituted of: a sleep control circuitry comprising a first timer; an effective resistance threshold detector responsive to the sleep control circuitry and arranged to detect whether the effective resistance across the output port of the PSE is less than a predetermined threshold; and a detection and powering circuitry responsive to the sleep control circuitry, wherein the sleep control circuitry is arranged to load the first timer with a first predetermined time period, and at the expiration of the first predetermined time period: activate the effective resistance threshold detector for a second predetermined time period; and in the event the effective resistance threshold detector detects that the effective resistance across the output port of the PSE is less than the predetermined threshold, enable the detection and powering circuitry.
摘要翻译： 一种具有低功率休眠模式的电源设备（PSE），所述PSE由以下部件构成：包括第一计时器的睡眠控制电路; 响应于所述睡眠控制电路并且被布置成检测所述PSE的输出端口上的有效电阻是否小于预定阈值的有效电阻阈值检测器; 以及响应于所述睡眠控制电路的检测和供电电路，其中所述睡眠控制电路被布置为以第一预定时间段以及在所述第一预定时间段期满时加载所述第一定时器：激活所述有效电阻阈值检测器 第二预定时间段; 并且在有效电阻阈值检测器检测到PSE的输出端口上的有效电阻小于预定阈值的情况下，启用检测和供电电路。
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公开(公告)号：US08816891B2
公开(公告)日：2014-08-26
申请号：US14143031
申请日：2013-12-30
发明人： Shimon Cohen
摘要： An input circuitry for an ADC constituted of: a first resistor coupled to an input of the ADC; a second resistor coupled to the input of the ADC and arranged to provide a current path; an electronically controlled switch coupled to the first resistor and arranged to provide a parallel current path through the first resistor; and a control circuitry; wherein the control circuitry is arranged to operate in a high current mode in the event that the input current exhibits an intensity within a first predetermined range and is arranged to operate in a low current mode in the event that the input current exhibits an intensity within a second predetermined range, different than the first predetermined range, wherein, in the high current mode the control circuitry is arranged to close the electronically controlled switch and in the low current mode is arranged to open the electronically controlled switch.
摘要翻译： 一种用于ADC的输入电路，包括：耦合到所述ADC的输入端的第一电阻器; 耦合到所述ADC的输入并被布置成提供电流路径的第二电阻器; 耦合到所述第一电阻器并被布置成提供穿过所述第一电阻器的并联电流路径的电子控制开关; 和控制电路; 其中所述控制电路被布置为在所述输入电流呈现在第一预定范围内的强度并且被布置为在所述输入电流呈现在所述第一预定范围内的强度的情况下以低电流模式操作的情况下以高电流模式操作 第二预定范围，不同于第一预定范围，其中，在大电流模式中，控制电路被布置成闭合电子控制开关，并且在低电流模式下布置成打开电子控制开关。
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公开(公告)号：US08073110B2
公开(公告)日：2011-12-06
申请号：US11676314
申请日：2007-02-19
申请人： David Pincu , Roni Blaut , Yair Darshan
发明人： David Pincu , Roni Blaut , Yair Darshan
IPC分类号： H04M11/00
CPC分类号： H04L12/10 , H04L67/18 , H04M1/2535 , H04M11/04 , H04M15/06
摘要： A system for location identification in a local area network comprising: a current limited voltage source; a telecommunications outlet; communication cabling connecting the current limited voltage source to the telecommunications outlet; and a location identifier associated with the telecommunications outlet, the location identifier being responsive to a pre-determined voltage level from the current limited voltage source to transmit a multi-bit location data. In one embodiment the multi-bit location data is received at the power sourcing equipment and in another embodiment the multi-bit location data is received at a data terminal equipment connected to the telecommunications outlet.
摘要翻译： 一种用于局域网中位置识别的系统，包括：电流限制电压源; 电信出口 将当前有限电压源连接到电信插座的通信电缆; 以及与电信插座相关联的位置标识符，所述位置标识符响应于来自当前受限电压源的预定电压电平来发送多位位置数据。 在一个实施例中，在电源设备处接收多位位置数据，在另一实施例中，在连接到电信插座的数据终端设备处接收多位位置数据。
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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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公开(公告)号：US07800876B2
公开(公告)日：2010-09-21
申请号：US11620753
申请日：2007-01-08
申请人： Arkadiy Peker , Dror Korcharz , David Pincu , Simon Kahn
发明人： Arkadiy Peker , Dror Korcharz , David Pincu , Simon Kahn
CPC分类号： H05B33/089 , H05B33/0869 , H05B33/0872 , H05B37/03
摘要： A fault detection mechanism for a LED string comprising a plurality of serially connected LEDs, the fault detection mechanism comprising: a control circuitry; and a voltage measuring means, in communication with the control circuitry, arranged to measure the voltage drop across at least one LED of the LED string, the control circuitry being operable to: measure the voltage drop, via the voltage measuring means, at a plurality of times, compare at least two of the measured voltage drops, and in the event the comparison of the at least two voltage drops is indicative of one of a short circuit LED and an open circuit LED, output a fault indicator.
摘要翻译： 一种用于包括多个串联LED的LED串的故障检测机构，所述故障检测机构包括：控制电路; 以及电压测量装置，与所述控制电路连通，被布置成测量所述LED串的至少一个LED上的电压降，所述控制电路可操作以：经由所述电压测量装置以多个方式测量所述电压降 的时间，比较测量的电压降中的至少两个，并且在至少两个电压降的比较指示短路LED和开路LED之一的情况下，输出故障指示符。
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公开(公告)号：US20100134018A1
公开(公告)日：2010-06-03
申请号：US12624431
申请日：2009-11-24
申请人： Noam TZIONY , Alon FERENTZ , Roni BLAUT , David PINCU , Chanoch KAHN
发明人： Noam TZIONY , Alon FERENTZ , Roni BLAUT , David PINCU , Chanoch KAHN
CPC分类号： H05B33/0815 , H05B33/083
摘要： A driving arrangement for a plurality of light emitting diodes (LEDs), the driving arrangement constituted of: a plurality of serially connected first LEDs coupled to a source voltage; a plurality of first electronically controlled switches, each associated with a particular one of the plurality of serially connected first LEDs and arranged to provide, when closed, a bypass current path for the associated first LED; and a control circuitry coupled to a control terminal of each of the plurality of first electronically controlled switches, the control circuitry operative to close a number of the plurality of first electronic switches, the number responsive to a voltage level of the source voltage.
摘要翻译： 一种用于多个发光二极管（LED）的驱动装置，所述驱动装置由多个串联连接的第一LED耦合到源电压; 多个第一电子控制开关，每个与多个串联连接的第一LED中的特定一个相关联，并且被布置成在关闭时提供用于相关联的第一LED的旁路电流路径; 以及耦合到所述多个第一电子控制开关中的每一个的控制端子的控制电路，所述控制电路用于闭合所述多个第一电子开关中的多个，所述数量响应于所述电源电压的电压电平。
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公开(公告)号：US20100115299A1
公开(公告)日：2010-05-06
申请号：US12611141
申请日：2009-11-03
申请人： Yair DARSHAN
发明人： Yair DARSHAN
IPC分类号： G06F1/00
CPC分类号： G06F1/266
摘要： A midspan unit arranged to supply power to a powered device over data communication cabling constituted of a signal conditioner exhibiting a transfer function with a gain of not less than −0.4 dB as compared with: (K1*(s+R/L1+a)̂m)/((s+R/L2+b)̂n) over a predetermined frequency range associated with the data transmitted from the powered device. s represents 2*π*(√−1)*f, wherein f represents the predetermined frequency range associated with the data terminal equipment to be powered. R represents the signal source impedance in parallel with the load termination impedance. L1 represents the effective inductance of a data transformer winding of the data transmitter of the powered device, the effective inductance determined responsive to power received by the powered device from the power sourcing equipment; and L2 represents the effective inductance of the data transformer winding of the data transmitter of the powered device expected by a receiver of the switch or hub equipment.
摘要翻译： 一种中跨单元，被布置成通过数据通信电缆将电力供电到数据通信电缆，该信号调制器由具有不小于-0.4dB的增益的信号调节器构成，与（K1 *（s + R / L1 + a） m）/（（s + R / L2 + b）n）在与从动设备发送的数据相关联的预定频率范围内。 s表示2 *＆pgr * *（√-1）* f，其中f表示与要供电的数据终端设备相关联的预定频率范围。 R表示与负载终端阻抗并联的信号源阻抗。 L1表示受电设备的数据发射器的数据变压器绕组的有效电感，响应于来自电源设备的动力设备接收的功率而确定的有效电感; L2代表由交换机或集线器设备的接收器预期的有源设备的数据发射机的数据变压器绕组的有效电感。
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公开(公告)号：US07605550B2
公开(公告)日：2009-10-20
申请号：US11772249
申请日：2007-07-02
申请人： Alon Ferentz , Roni Blaut
发明人： Alon Ferentz , Roni Blaut
CPC分类号： H05B33/0857 , H05B33/0815 , H05B33/0818 , H05B33/0827
摘要： An LED backlighting system including: a control circuit; a power source; at least one LED string associated with the power source, the at least one LED string being arranged to be switchably connected to alternatively draw an illumination current from the power source and not draw an illumination current from the power source; and a controlled bleeder arranged to draw a bleed current from the power source responsive to the control circuit; the control circuit being operative to draw the bleed current from the power source via the controlled bleeder for a predetermined time period associated with the alternatively drawing and not drawing the illumination current of the at least one LED string.
摘要翻译： 一种LED背光系统，包括：控制电路; 电源; 至少一个LED串，与所述电源相关联，所述至少一个LED串被布置为可切换地连接以交替地从所述电源抽取照明电流，而不从所述电源抽取照明电流; 以及受控放电器，其布置成响应于所述控制电路从所述电源抽出渗流电流; 所述控制电路可操作以经由所述受控放电器从所述电源吸取所述渗流电流达预定时间段，所述预定时间周期与所述交替绘制相关联，并且不绘制所述至少一个LED串的照明电流。
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公开(公告)号：US07593756B2
公开(公告)日：2009-09-22
申请号：US11277539
申请日：2006-03-27
申请人： Alon Ferentz , Roni Blaut
发明人： Alon Ferentz , Roni Blaut
CPC分类号： H04L12/10 , Y10T307/258 , Y10T307/297 , Y10T307/305 , Y10T307/50
摘要： A powering source unit comprising: a first powering source; a second powering source; the first powering source being operable to: apply a plurality of voltages towards a powered device via a first path so as to detect a signature impedance, and in the event the signature impedance is detected, to at least partially classify the power requirements of the powered device by supplying a classification voltage towards the powered device via the first path and measuring the resultant current flow, the classification voltage level being higher than each of the plurality of detection voltage levels; the second powering source being operable to apply at least one voltage towards the powered device via a second path so as to attempt to detect a signature impedance at least partially contemporaneously with the supplied classification voltage of the first powering source.
摘要翻译： 一种供电源单元，包括：第一供电源; 第二供电源; 所述第一供电源可操作以：经由第一路径向受电设备施加多个电压，以便检测签名阻抗，并且在所述签名阻抗被检测的情况下，至少部分地分类所述电源的功率需求 通过经由所述第一路径向所述受电设备提供分类电压并测量所得到的电流，所述分类电压电平高于所述多个检测电压电平中的每一个; 所述第二供电源可操作以经由第二路径向所述受电设备施加至少一个电压，以便尝试至少部分同时与所提供的所述第一供电源的分类电压同时检测签名阻抗。
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