专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明申请

US20110234122A1 CIRCUITRY FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED METHODS 有权
标题翻译：用于驱动发光二极管的电路和相关方法
公开(公告)号：US20110234122A1
公开(公告)日：2011-09-29
申请号：US13069283
申请日：2011-03-22
申请人： Bo Yu , Yuancheng Ren , Lei Du , Naixing Kuang , Zhishun Li
发明人： Bo Yu , Yuancheng Ren , Lei Du , Naixing Kuang , Zhishun Li
IPC分类号： H05B37/02
CPC分类号： H05B33/0827 , G09G3/3406
摘要： Circuitry and methods for driving a plurality of LED strings are disclosed herein. In one embodiment, the circuitry comprises a plurality of current regulating circuits electrically coupled to the LED strings and are configured to regulate a current flowing through the LED strings. At least two control circuits are coupled to the current regulating circuits and are configured to generate a control signal according to terminal voltages of the corresponding current regulating circuits. A voltage converter is electrically coupled to the LED strings and to the at least two control circuits, and is configured to regulate the DC driving voltage according to the at least two control signals.
摘要翻译：本文公开了用于驱动多个LED串的电路和方法。在一个实施例中，电路包括电耦合到LED串的多个电流调节电路，并且被配置为调节流过LED串的电流。至少两个控制电路耦合到电流调节电路，并且被配置为根据相应的电流调节电路的端子电压产生控制信号。电压转换器电耦合到LED串和至少两个控制电路，并且被配置为根据至少两个控制信号来调节DC驱动电压。

22. 发明申请

US20110227497A1 POWER SYSTEMS FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED METHODS OF CONTROL 有权
标题翻译：用于驱动发光二极管的电力系统和相关的控制方法
公开(公告)号：US20110227497A1
公开(公告)日：2011-09-22
申请号：US13048730
申请日：2011-03-15
申请人： Jin Hu , Lei Du , Yuancheng Ren , Junming Zhang , Zhijun Ye
发明人： Jin Hu , Lei Du , Yuancheng Ren , Junming Zhang , Zhijun Ye
IPC分类号： H05B37/02
CPC分类号： H05B33/0827 , H05B33/0809 , H05B33/0812 , Y02B20/341
摘要： Embodiments of LED driver circuits and the associated methods are disclosed herein. In one embodiment, the LED driver circuit comprises a switch-mode converter, a controller, a feedback circuit, and a gating circuit. The feedback circuit includes a current balance circuit. The gating circuit is responsive to both a current feedback signal and a voltage feedback signal and is configured to select one of them as the feedback signal.
摘要翻译： LED驱动器电路和相关方法的实施例在此公开。在一个实施例中，LED驱动器电路包括开关模式转换器，控制器，反馈电路和门控电路。反馈电路包括电流平衡电路。门控电路响应于电流反馈信号和电压反馈信号，并且被配置为选择它们中的一个作为反馈信号。

23. 发明申请

US20110227492A1 DRIVER SYSTEMS FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED DRIVING METHODS 有权
标题翻译：用于驱动发光二极管和相关驱动方法的驱动系统
公开(公告)号：US20110227492A1
公开(公告)日：2011-09-22
申请号：US13048751
申请日：2011-03-15
申请人： Lei Du , Bairen Liu , Kaiwei Yao , Junming Zhang , Yuancheng Ren
发明人： Lei Du , Bairen Liu , Kaiwei Yao , Junming Zhang , Yuancheng Ren
IPC分类号： H05B37/02
CPC分类号： H05B33/0818 , H05B33/0848
摘要： LED driver systems and associated methods of control are disclosed herein. In one embodiment, the LED driver system comprises a converter and a controller. The controller is responsive to the LED current feedback signal and a dimming signal, and operable to generate a continuous gate drive signal to control the primary side switch of the converter. Thus, the controller regulates the output current of the converter.
摘要翻译：本文公开了LED驱动器系统和相关联的控制方法。在一个实施例中，LED驱动器系统包括转换器和控制器。控制器响应于LED电流反馈信号和调光信号，并且可操作以产生连续的栅极驱动信号以控制转换器的初级侧开关。因此，控制器调节转换器的输出电流。

24. 发明授权

US07965651B2 Method and apparatus for setting active period starting point for user equipment 有权
标题翻译：用于设置用户设备活动期起始点的方法和装置
公开(公告)号：US07965651B2
公开(公告)日：2011-06-21
申请号：US12343142
申请日：2008-12-23
申请人： Lei Du , Lan Chen , Mikio Iwamura , Umesh Kadaba Anil
发明人： Lei Du , Lan Chen , Mikio Iwamura , Umesh Kadaba Anil
IPC分类号： H04L12/26
CPC分类号： H04W76/28 , H04W52/0216 , Y02D70/1242 , Y02D70/1244 , Y02D70/1246 , Y02D70/1262 , Y02D70/23 , Y02D70/24
摘要： The present invention has disclosed a method for setting an active period starting point for a User Equipment (UE) in a Discontinuous Reception (DRX) mode, comprising steps of: a base station calculating and storing a position of the active period starting point for the UE based on predetermined parameters, so as to transmit data to the UE in a corresponding active period; the UE receiving Radio Resource Control (RRC) configuration information from the base station, and detecting whether the DRX mode is configured in it or not; the UE calculating its active period starting point based on predetermined DRX parameters in the received RRC configuration information; the UE starting DRX based on the calculated active period starting point; and the UE continuously monitoring a channel, but not starting DRX, when detecting that the DRX mode has not been configured in it. The present invention has also disclosed an apparatus for setting an active period starting point for a UE in a DRX mode.
摘要翻译：本发明公开了一种用于在不连续接收（DRX）模式中为用户设备（UE）设置活动期起始点的方法，包括以下步骤：基站计算和存储活动期间起始点的位置， UE基于预定参数，以在相应的活动时段内向UE发送数据; UE从基站接收无线资源控制（RRC）配置信息，并检测是否配置了DRX模式; 所述UE基于所接收的RRC配置信息中的预定DRX参数来计算其活动周期起始点; UE基于计算出的活动期起始点开始DRX; 并且当检测到其中还没有配置DRX模式时，UE连续监视信道，但不开始DRX。本发明还公开了一种用于在DRX模式下为UE设置活动周期起始点的装置。

25. 发明申请

US20100270937A1 CIRCUIT AND METHOD FOR STRIKING CCFL 有权
标题翻译： CCFL的电路和方法
公开(公告)号：US20100270937A1
公开(公告)日：2010-10-28
申请号：US12764830
申请日：2010-04-21
申请人： Junming Zhang , Jiali Cai , Lei Du , Yuancheng Ren , Eric Yang
发明人： Junming Zhang , Jiali Cai , Lei Du , Yuancheng Ren , Eric Yang
IPC分类号： H05B41/36
CPC分类号： H05B41/282 , Y02B20/183
摘要： A circuit for controlling the switch frequency of an inverter that strikes and drives fluorescent lamps is disclosed. The circuit comprises a frequency generator and an offset circuit. The offset circuit provides a current signal in response to the lamp status. The frequency generator provides a frequency control signal in respond to the current signal so as to control the switch frequency of the inverter. When the lamp is open, the switch frequency of the inverter is higher; when the lamp is lighted, the switch frequency of the inverter is lower.
摘要翻译：公开了一种用于控制触发和驱动荧光灯的逆变器的开关频率的电路。电路包括频率发生器和偏移电路。偏移电路响应于灯状态而提供电流信号。频率发生器提供响应于当前信号的频率控制信号，以便控制逆变器的开关频率。当灯泡打开时，变频器的开关频率较高; 当灯点亮时，变频器的开关频率较低。

26. 发明申请

US20100045110A1 POWER CONVERTERS AND ASSOCIATED METHODS OF CONTROL 有权
标题翻译：功率转换器和相关的控制方法
公开(公告)号：US20100045110A1
公开(公告)日：2010-02-25
申请号：US12505399
申请日：2009-07-17
申请人： Bairen Liu , Lei Du , Yuancheng Ren
发明人： Bairen Liu , Lei Du , Yuancheng Ren
IPC分类号： H02J4/00
CPC分类号： H02M3/158 , H02M2001/009 , Y10T307/414 , Y10T307/50
摘要： SIMO power converters and associated methods of control are disclosed herein. In one embodiment, a method of converting a signal input signal into multiple output signals includes supplying power to a plurality of output terminals based on a signal input signal, detecting a voltage at individual output terminals, determining an arithmetic relationship between the detected voltages of the output terminals, and adjusting the power supplied to the plurality of output terminals based at least in part on the determined arithmetic relationship between the detected voltages of the output terminals.
摘要翻译：本文公开了SIMO功率转换器和相关联的控制方法。在一个实施例中，将信号输入信号转换为多个输出信号的方法包括基于信号输入信号向多个输出端子供电，检测各个输出端子处的电压，确定检测到的电压的算术关系输出端子，并且至少部分地基于所确定的输出端子的检测电压之间的算术关系来调整提供给多个输出端子的功率。

27. 发明申请

US20100027507A1 HANDOVER PROCESSING METHOD, ENB AND NETWORK COMMUNICATION SYSTEM THEREOF 有权
标题翻译：切换处理方法，ENB和网络通信系统
公开(公告)号：US20100027507A1
公开(公告)日：2010-02-04
申请号：US12506936
申请日：2009-07-21
申请人： Mingju Li , Lei Du , Lan Chen
发明人： Mingju Li , Lei Du , Lan Chen
IPC分类号： H04W36/00
CPC分类号： H04W36/0055
摘要： Embodiments of the present invention includes a handover processing method, a source eNB, a neighboring eNB and a network communication system. In one embodiment of the handover processing method, a source eNB selects a target eNB from neighboring eNBs that can accept a handover request from a mobile terminal, and notifies a selection result to the mobile terminal; if handover information corresponding to the mobile terminal is received by an neighboring eNB that can accept the handover request of the mobile terminal within a preset handover waiting time, the neighboring eNB determines that it is a target eNB and cooperates with the mobile terminal to perform a handover; otherwise, the neighboring eNB determines that it is a prepared eNB and reduces its resources reserved for the mobile terminal. The present invention can effectively improve the successful handover probability.
摘要翻译：本发明的实施例包括切换处理方法，源eNB，相邻eNB和网络通信系统。在切换处理方法的一个实施例中，源eNB从可以从移动终端接受切换请求的相邻eNB中选择目标eNB，并向移动终端通知选择结果; 如果在预设的切换等待时间内可以接受移动终端的切换请求的相邻eNB接收到与移动终端相对应的切换信息，则相邻eNB确定它是目标eNB并与移动终端协作以执行交出; 否则，相邻eNB确定它是准备好的eNB并且减少其为移动终端预留的资源。本发明可以有效地提高成功的切换概率。

28. 发明申请

US20090284163A1 METHOD AND APPARATUS FOR DRIVING MULTIPLE PARALLEL DISCHARGE LAMPS 有权
标题翻译：用于驱动多个平行放电灯的方法和装置
公开(公告)号：US20090284163A1
公开(公告)日：2009-11-19
申请号：US12466557
申请日：2009-05-15
申请人： Naixing Kuang , Lei Du , Junming Zhang , Yuancheng Ren
发明人： Naixing Kuang , Lei Du , Junming Zhang , Yuancheng Ren
IPC分类号： H05B41/36
CPC分类号： H05B41/2822 , H05B41/2855 , Y02B20/185
摘要： The present invention provides a method and apparatus for driving multiple parallel discharge lamps, which increases the switching frequency once the open lamp condition is detected to provide an output voltage that is high enough to ignite the lamp again.
摘要翻译：本发明提供一种用于驱动多个平行放电灯的方法和装置，一旦检测到开灯条件，就提高了开关频率，以提供足够高的点亮灯的输出电压。

29. 发明申请

US20090175186A1 METHOD AND APPARATUS FOR SETTING ACTIVE PERIOD STARTING POINT FOR USER EQUIPMENT 有权
标题翻译：用于设置用户设备的活动周期起点的方法和装置
公开(公告)号：US20090175186A1
公开(公告)日：2009-07-09
申请号：US12343142
申请日：2008-12-23
申请人： Lei Du , Lan Chen , Mikio Iwamura , Umesh Kadaba Anil
发明人： Lei Du , Lan Chen , Mikio Iwamura , Umesh Kadaba Anil
IPC分类号： H04L12/26
CPC分类号： H04W76/28 , H04W52/0216 , Y02D70/1242 , Y02D70/1244 , Y02D70/1246 , Y02D70/1262 , Y02D70/23 , Y02D70/24
摘要： The present invention has disclosed a method for setting an active period starting point for a User Equipment (UE) in a Discontinuous Reception (DRX) mode, comprising steps of: a base station calculating and storing a position of the active period starting point for the UE based on predetermined parameters, so as to transmit data to the UE in a corresponding active period; the UE receiving Radio Resource Control (RRC) configuration information from the base station, and detecting whether the DRX mode is configured in it or not; the UE calculating its active period starting point based on predetermined DRX parameters in the received RRC configuration information; and the UE starting DRX based on the calculated active period starting point. The present invention has also disclosed an apparatus for setting an active period starting point for a UE in a DRX mode.
摘要翻译：本发明公开了一种用于在不连续接收（DRX）模式中为用户设备（UE）设置活动期起始点的方法，包括以下步骤：基站计算和存储活动期间起始点的位置， UE基于预定参数，以在相应的活动时段内向UE发送数据; UE从基站接收无线资源控制（RRC）配置信息，并检测是否配置了DRX模式; 所述UE基于所接收的RRC配置信息中的预定DRX参数来计算其活动周期起始点; 并且UE基于所计算的活动期间起始点开始DRX。本发明还公开了一种用于在DRX模式下为UE设置活动周期起始点的装置。

30. 发明授权

US09338655B2 Access control of relay node with closed subscriber group 有权
标题翻译：具有封闭用户组的中继节点的访问控制
公开(公告)号：US09338655B2
公开(公告)日：2016-05-10
申请号：US13977357
申请日：2010-12-28
申请人： Shun Liang Zhang , Simone Redana , Bernhard Raaf , Lei Du
发明人： Shun Liang Zhang , Simone Redana , Bernhard Raaf , Lei Du
IPC分类号： H04W12/08 , H04W16/26 , H04B7/15 , H04B7/155 , H04B7/26 , H04L29/06
CPC分类号： H04W12/08 , H04B7/15 , H04B7/15507 , H04B7/2606 , H04L63/104 , H04W16/26 , H04W48/02 , H04W84/047
摘要： There are provided measures for access control of a relay node with a closed subscriber group, said measures exemplarily comprising retrieval of setting information relating to a closed subscriber group of a base station function of a relay node, said relay node requesting access to a relay-enhanced cellular system via a donor base station, acquisition of setting information relating to a closed subscriber group of the donor base station, and execution of access control of the base station function of the relay node based on the setting information relating to the closed subscriber groups of the base station function of the relay node and the donor base station.
摘要翻译：提供了一种用于具有封闭用户组的中继节点的访问控制的措施，所述措施示例性地包括检索与中继节点的基站功能的封闭用户组有关的设置信息，所述中继节点请求接入中继节点，经由施主基站的增强型蜂窝系统，获取与施主基站的封闭用户组有关的设置信息，以及基于与所述封闭用户组相关的设置信息执行所述中继节点的基站功能的访问控制的中继节点和授权基站的基站功能。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式