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1. 发明授权

US08907650B2 Temperature adaptive bandgap reference circuit 有权
标题翻译：温度自适应带隙参考电路
公开(公告)号：US08907650B2
公开(公告)日：2014-12-09
申请号：US13637237
申请日：2011-02-28
申请人： Shaowei Zhen , Ping Luo , Ruhui Yang , Kang Yang , Bo Zhang
发明人： Shaowei Zhen , Ping Luo , Ruhui Yang , Kang Yang , Bo Zhang
IPC分类号： G05F3/16 , G05F3/30
CPC分类号： G05F3/16 , G05F3/30 , Y10S323/907
摘要： This invention involves a bandgap reference circuit in IC. The temperature coefficient of conventional bandgap reference is large and the higher order compensation is difficult to implement. This invention provides an adaptive compensated bandgap reference which solves the problem only using lower order (first order) temperature coefficient compensation. The invention adopts segmental compensation circuit to realize adaptive segmental compensation of bandgap reference with low temperature coefficient. The technical solution includes traditional bandgap voltage reference circuit and adaptive feedback compensation circuit which consists of sample and hold circuit, voltage comparator and control module. This invention controls the bandgap voltage reference through systematical view and it has high process compatibility. This invention can find the best temperature characteristic curve adaptively, the output voltage has low temperature coefficient, meeting the requirement of fabrication process, the implementation is simple with small area. This invention relates to integrated circuits.
摘要翻译：本发明涉及IC中的带隙基准电路。常规带隙基准的温度系数大，难以实现较高阶补偿。本发明提供了一种仅使用低阶（一阶）温度系数补偿来解决问题的自适应补偿带隙基准。本发明采用分段补偿电路，实现低温系数带隙参考自适应分段补偿。技术方案包括传统的带隙电压参考电路和自适应反馈补偿电路，由采样保持电路，电压比较器和控制模块组成。本发明通过系统的视图控制带隙电压参考，并具有较高的工艺兼容性。本发明可以自适应地找到最佳的温度特性曲线，输出电压温度系数低，满足制造工艺要求，实现面积小。本发明涉及集成电路。

2. 发明申请

US20130314068A1 TEMPERATURE ADAPTIVE BANDGAP REFERENCE CIRCUIT 有权
标题翻译：温度自适应带宽参考电路
公开(公告)号：US20130314068A1
公开(公告)日：2013-11-28
申请号：US13637237
申请日：2011-02-28
申请人： Shaowei Zhen , Ping Luo , Ruhui Yang , Kang Yang , Bo Zhang
发明人： Shaowei Zhen , Ping Luo , Ruhui Yang , Kang Yang , Bo Zhang
IPC分类号： G05F3/16
CPC分类号： G05F3/16 , G05F3/30 , Y10S323/907
摘要： This invention involves a bandgap reference circuit in IC. The temperature coefficient of conventional bandgap reference is large and the higher order compensation is difficult to implement. This invention provides an adaptive compensated bandgap reference which solves the problem only using lower order (first order) temperature coefficient compensation. The invention adopts segmental compensation circuit to realize adaptive segmental compensation of bandgap reference with low temperature coefficient. The technical solution includes traditional bandgap voltage reference circuit and adaptive feedback compensation circuit which consists of sample and hold circuit, voltage comparator and control module. This invention controls the bandgap voltage reference through systematical view and it has high process compatibility. This invention can find the best temperature characteristic curve adaptively, the output voltage has low temperature coefficient, meeting the requirement of fabrication process, the implementation is simple with small area. This invention relates to integrated circuits.
摘要翻译：本发明涉及IC中的带隙基准电路。常规带隙基准的温度系数大，难以实现较高阶补偿。本发明提供了一种仅使用低阶（一阶）温度系数补偿来解决问题的自适应补偿带隙基准。本发明采用分段补偿电路，实现低温系数带隙参考自适应分段补偿。技术方案包括传统的带隙电压参考电路和自适应反馈补偿电路，由采样保持电路，电压比较器和控制模块组成。本发明通过系统的方式控制带隙电压参考，并具有较高的工艺兼容性。本发明可以自适应地找到最佳的温度特性曲线，输出电压温度系数低，满足制造工艺要求，实现面积小。本发明涉及集成电路。

3. 发明授权

US08866462B2 Minimum energy point tracking buck converter 有权
标题翻译：最小能量点跟踪降压转换器
公开(公告)号：US08866462B2
公开(公告)日：2014-10-21
申请号：US13637230
申请日：2011-02-28
申请人： Ping Luo , Shaowei Zhen , Xiang Geng , Ye Zhang , Yajuan He , Bo Zhang
发明人： Ping Luo , Shaowei Zhen , Xiang Geng , Ye Zhang , Yajuan He , Bo Zhang
IPC分类号： H02M3/157 , H02M3/158 , H02M1/00
CPC分类号： H02M3/157 , H02M3/158 , H02M2001/0025
摘要： This invention involves with a low power IC (Integrated Circuit) with high energy efficiency. This invention describes a Buck converter that can track the minimum energy point of the load. It works by estimating input energy of every sensing period, taking advantage of energy consumption curve of IC in sub-threshold. Energy estimation is implemented with counting conducted pulses, while maintaining constant input energy of each pulse by regulating output voltage and ON time with digital control circuit. With digital control circuit, minimum energy point can be tracked with a lookup table stored inside. Most of this invention's control circuit is digital, with benefits of low power consumption and small chip area.
摘要翻译：本发明涉及具有高能量效率的低功率IC（集成电路）。本发明描述了可以跟踪负载的最小能量点的降压转换器。通过估计每个感测周期的输入能量，利用IC的能量消耗曲线在次阈值中起作用。通过计数传导脉冲实现能量估计，同时通过使用数字控制电路调节输出电压和导通时间来保持每个脉冲的恒定输入能量。使用数字控制电路，可以使用存储在其中的查找表来跟踪最小能量点。本发明的大多数控制电路是数字式的，具有低功耗和小芯片面积的优点。

4. 发明申请

US20130320946A1 MINIMUM ENERGY POINT TRACKING BUCK CONVERTER 有权
标题翻译：最小能量点跟踪转换器
公开(公告)号：US20130320946A1
公开(公告)日：2013-12-05
申请号：US13637230
申请日：2011-02-28
申请人： Ping Luo , Shaowei Zhen , Xiang Geng , Ye Zhang , Yajuan He , Bo Zhang
发明人： Ping Luo , Shaowei Zhen , Xiang Geng , Ye Zhang , Yajuan He , Bo Zhang
IPC分类号： H02M3/157
CPC分类号： H02M3/157 , H02M3/158 , H02M2001/0025
摘要： This invention involves with a low power IC (Integrated Circuit) with high energy efficiency. This invention describes a Buck converter that can track the minimum energy point of the load. It works by estimating input energy of every sensing period, taking advantage of energy consumption curve of IC in sub-threshold. Energy estimation is implemented with counting conducted pulses, while maintaining constant input energy of each pulse by regulating output voltage and ON time with digital control circuit. With digital control circuit, minimum energy point can be tracked with a lookup table stored inside. Most of this invention's control circuit is digital, with benefits of low power consumption and small chip area.
摘要翻译：本发明涉及具有高能量效率的低功率IC（集成电路）。本发明描述了可以跟踪负载的最小能量点的降压转换器。通过估计每个感测周期的输入能量，利用IC的能量消耗曲线在次阈值中起作用。通过计数传导脉冲实现能量估计，同时通过使用数字控制电路调节输出电压和导通时间来保持每个脉冲的恒定输入能量。使用数字控制电路，可以使用存储在其中的查找表来跟踪最小能量点。本发明的大多数控制电路是数字式的，具有低功耗和小芯片面积的优点。

5. 发明申请

US20130335045A1 POWER CONVERTER WITH THE FUNCTION OF DIGITAL ERROR CORRECTION 有权
标题翻译：具有数字误差校正功能的电源转换器
公开(公告)号：US20130335045A1
公开(公告)日：2013-12-19
申请号：US13637298
申请日：2011-03-17
申请人： Bo Zhang , Shaowei Zhen , Ping Luo , Xiaohui Zhu , Jiangkun Li
发明人： Bo Zhang , Shaowei Zhen , Ping Luo , Xiaohui Zhu , Jiangkun Li
IPC分类号： H02M3/158
CPC分类号： H02M3/158 , H02M3/157 , H02M3/1588 , H02M2001/0016 , H02M2001/0025 , Y02B70/1466
摘要： This invention relates to the output voltage regulator of step-down switching power converters. This invention provides regulator with digitally adjusted output voltage. It solves the problem of low regulation due to low error amplifier (EA) gain. This invention is a power converter with the function of Digitally Error Correction, consisting of Logic Control, EA, PWM comparator, Driver, power devices and passive components. It features Digital Calibration Circuit whose input terminal is connected to the output voltage and output terminal is connected to the error signal. When the output voltage exceeds the tolerance range, this Digital Calibration Circuit will increase or decrease the error signal step by step, keeping the output voltage in the tolerance range. The Digital Calibration Circuit of this invention can be applied not only in nanometer scale process, but also in traditional process. For those power converters in traditional process, it is also quite promising in applications.
摘要翻译：本发明涉及降压开关电源转换器的输出电压调节器。本发明为调节器提供数字调节的输出电压。它解决了由于低误差放大器（EA）增益引起的低调制问题。本发明是具有数字误差校正功能的功率转换器，由逻辑控制，EA，PWM比较器，驱动器，功率器件和无源器件组成。它具有数字校准电路，其输入端连接到输出电压，输出端连接到误差信号。当输出电压超过公差范围时，该数字校准电路将逐步增加或减少误差信号，将输出电压保持在公差范围内。本发明的数字校准电路不仅可以应用在纳米级工艺中，而且可以应用于传统工艺。对于传统过程中的电源转换器，在应用中也是非常有希望的。

6. 发明授权

US08947063B2 Power converter with the function of digital error correction 有权
标题翻译：功率转换器具有数字纠错功能
公开(公告)号：US08947063B2
公开(公告)日：2015-02-03
申请号：US13637298
申请日：2011-03-07
申请人： Bo Zhang , Shaowei Zhen , Ping Luo , Xiaohui Zhu , Jiangkun Li
发明人： Bo Zhang , Shaowei Zhen , Ping Luo , Xiaohui Zhu , Jiangkun Li
IPC分类号： G05F1/00 , H02M3/158 , H02M3/157 , H02M1/00
CPC分类号： H02M3/158 , H02M3/157 , H02M3/1588 , H02M2001/0016 , H02M2001/0025 , Y02B70/1466
摘要： An output voltage regulator of step-down switching power converters is described, with the regulator provided with digitally adjusted output voltage. It solves the problem of low regulation due to low error amplifier (EA) gain. This invention includes a power converter with the function of Digitally Error Correction, having Logic Control, EA, PWM comparator, Driver, power devices and passive components. A Digital Calibration Circuit whose input terminal is connected to the output voltage and output terminal is connected to the error signal. When the output voltage exceeds the tolerance range, this Digital Calibration Circuit will increase or decrease the error signal step by step, keeping the output voltage in the tolerance range. The Digital Calibration Circuit can be applied not only in nanometer scale process, but also in traditional process. For those power converters in traditional process, it is also quite promising in applications.
摘要翻译：描述了降压开关电源转换器的输出电压调节器，调节器提供数字调节的输出电压。它解决了由于低误差放大器（EA）增益引起的低调制问题。本发明包括具有数字误差校正功能的功率转换器，具有逻辑控制，EA，PWM比较器，驱动器，功率器件和无源组件。其输入端连接到输出电压和输出端的数字校准电路连接到误差信号。当输出电压超过公差范围时，该数字校准电路将逐步增加或减少误差信号，将输出电压保持在公差范围内。数字校准电路不仅可以在纳米级工艺中应用，也可以应用于传统工艺。对于传统过程中的电源转换器，在应用中也是非常有希望的。

7. 发明授权

US09679036B2 Pattern mining based on occupancy 有权
公开(公告)号：US09679036B2
公开(公告)日：2017-06-13
申请号：US14398213
申请日：2012-05-15
申请人： Ping Luo , Min Wang , Linpeng Tang , Lei Zhang
发明人： Ping Luo , Min Wang , Linpeng Tang , Lei Zhang
IPC分类号： G06F17/30 , G06N5/02
CPC分类号： G06F17/30572 , G06F17/30592 , G06F2216/03 , G06N5/025
摘要： An example method of pattern mining includes identifying, via a logic circuit, a plurality of patterns present in a plurality of transactions, the transactions including sets of items, and selecting, via the logic circuit, one of the identified patterns based on an occupancy of the identified pattern in the transactions.

8. 发明授权

US08099768B2 Method and system for multi-protocol single logout 有权
标题翻译：多协议单一注销的方法和系统
公开(公告)号：US08099768B2
公开(公告)日：2012-01-17
申请号：US12233377
申请日：2008-09-18
申请人： Qingwen Cheng , Ping Luo , Andrew Patterson , Rajeev Angal
发明人： Qingwen Cheng , Ping Luo , Andrew Patterson , Rajeev Angal
IPC分类号： H04L29/00
CPC分类号： G06F21/41 , H04L63/0815 , H04L69/18
摘要： A method for multi-protocol logout. The method includes receiving, by a first identity provider, a logout request from a user agent, wherein the first identity provider executes in a federation manager, and initiating a logout on a service provider associated with the first identity provider based on the logout request by the first identity provider. The method further includes identifying, by the federation manager, a plurality of identity providers associated with the user agent, wherein the plurality of identity providers communicate using heterogeneous federation protocols, and initiating, by the federation manager, a logout on each of the plurality of identity providers based on the logout request using the plurality of heterogeneous federation protocols. The method further includes initiating, by the plurality of identity providers, a logout of each service provider corresponding to the plurality of identity providers, identifying a status of each logout, and sending the status to the user agent.
摘要翻译：一种多协议注销的方法。所述方法包括由第一身份提供者接收来自用户代理的注销请求，其中所述第一身份提供者在联合管理器中执行，并且基于所述注销请求，在与所述第一身份提供商相关联的服务提供商上发起登出第一个身份提供商。所述方法还包括由所述联盟管理器识别与所述用户代理相关联的多个身份提供者，其中所述多个身份提供者使用异构联盟协议进行通信，并且由所述联盟管理器发起在所述多个基于使用多个异构联合协议的注销请求的身份提供者。所述方法还包括由所述多个身份提供者发起对应于所述多个身份提供者的每个服务提供商的注销，识别每个注销的状态，以及将所述状态发送给所述用户代理。

9. 发明授权

US07788711B1 Method and system for transferring identity assertion information between trusted partner sites in a network using artifacts 有权
标题翻译：用于在网络中的信任伙伴站点之间传送身份断言信息的方法和系统，使用工件
公开(公告)号：US07788711B1
公开(公告)日：2010-08-31
申请号：US10683728
申请日：2003-10-09
申请人： Wei Sun , Aravindan Ranganathan , Ping Luo , Qingwen Cheng , Shivaram Bhat , Hong Xu , Bhavna Bhatnagar
发明人： Wei Sun , Aravindan Ranganathan , Ping Luo , Qingwen Cheng , Shivaram Bhat , Hong Xu , Bhavna Bhatnagar
IPC分类号： G06F7/04
CPC分类号： H04L63/0815
摘要： A method for managing access to multiple applications using a central server. The method includes receiving a user name and password from an application for a user, generating identity assertion information using the user name and password, generating an artifact associated with the identity assertion information, sending the artifact to the application, receiving the artifact and a request for the identity assertion information from a second application, verifying the validity of the artifact, and sending the identity assertion information to the second application. The second application uses the identity assertion information to authorize the user to access the second application.
摘要翻译：使用中央服务器管理对多个应用程序的访问的方法。该方法包括从用户的应用程序接收用户名和密码，使用用户名和密码生成身份断言信息，生成与身份断言信息相关联的工件，将工件发送到应用程序，接收工件和请求用于来自第二应用的身份断言信息，验证伪像的有效性，以及将身份断言信息发送到第二应用。第二个应用程序使用身份断言信息来授权用户访问第二个应用程序。

10. 发明申请

US20100077275A1 METHOD AND SYSTEM FOR DATA TRANSMISSION IN A MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) SYSTEM 有权
标题翻译：用于多输入多输出（MIMO）系统中数据传输的方法和系统
公开(公告)号：US20100077275A1
公开(公告)日：2010-03-25
申请号：US12445275
申请日：2006-10-10
申请人： Qian Yu , Ping Luo , Masayuki Hoshino
发明人： Qian Yu , Ping Luo , Masayuki Hoshino
IPC分类号： H03M13/05 , G06F11/10
CPC分类号： H04B7/068 , H03M13/114 , H03M13/116 , H03M13/118 , H03M13/356 , H04L1/0041 , H04L1/0057 , H04L1/007 , H04L1/0625
摘要： A method for data transmission in a multiple input multiple output (MIMO) system, the method including, receiving multiple input data streams; performing low density parity check (LDPC) encoding of the input data streams utilising a parity check matrix, the parity check matrix including a plurality of sub-parity check matrices for encoding respective ones of the input data streams; and performing space time encoding for transmitting the LDPC encoded input data streams over a plurality of antennas.
摘要翻译：一种用于多输入多输出（MIMO）系统中数据传输的方法，所述方法包括：接收多个输入数据流; 使用奇偶校验矩阵对输入数据流进行低密度奇偶校验（LDPC）编码，所述奇偶校验矩阵包括用于编码各个输入数据流的多个子奇偶校验矩阵; 以及执行空间时间编码以在多个天线上发送LDPC编码的输入数据流。

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