公开(公告)号：US08139384B2

公开(公告)日：2012-03-20

申请号：US12477058

申请日：2009-06-02

申请人： David Kung ,  William M. Polivka

发明人： David Kung ,  William M. Polivka

IPC分类号： H02M7/44

CPC分类号： H02M3/33523 ,  H02M2001/0009

摘要： An example controller includes a constant current control circuit and an integrator included in the constant current control circuit. The constant current control circuit is to be coupled to receive an input current sense signal, an input voltage sense signal, and an output voltage sense signal. The control circuit is adapted to regulate an output current of a power supply by generating a control signal to control switching of a switch. The integrator is coupled to integrate the input current sense signal during a switching period of the control signal to generate an integrated signal representative of a charge taken from an input voltage source of the power supply. The constant current control circuit is adapted to control the switching of the switch such that the integrated signal is proportional to a ratio of the output voltage sense signal to the input voltage sense signal.

摘要翻译： 示例性控制器包括恒流控制电路和包括在恒流控制电路中的积分器。 恒流控制电路将被耦合以接收输入电流感测信号，输入电压感测信号和输出电压感测信号。 控制电路适于通过产生控制信号来调节电源的输出电流来控制开关的切换。 耦合该积分器以在控制信号的开关周期期间集成输入电流感测信号，以产生代表从电源的输入电压源获取的电荷的积分信号。 恒流控制电路适于控制开关的开关，使得积分信号与输出电压感测信号与输入电压感测信号的比例成比例。

公开(公告)号：US20120146607A1

公开(公告)日：2012-06-14

申请号：US13401674

申请日：2012-02-21

申请人： David Kung ,  William M. Polivka

发明人： David Kung ,  William M. Polivka

IPC分类号： G05F1/10

CPC分类号： H02M3/33523 ,  H02M2001/0009

摘要： An example power supply includes an energy transfer element, a switch and a controller. The controller includes a logic circuit and a constant current control circuit. The logic circuit generates a drive signal to control the switch in response to a control signal. The constant current control circuit generates the control signal in response to a received input current sense signal, input voltage sense signal, and output voltage sense signal. An integrator included in the constant current control circuit integrates the input current sense signal to generate an integrated signal representative of a charge taken from the input voltage source. The constant current control circuit is adapted to generate the control signal to provide a constant current at the output of the power supply such that the integrated signal is proportional to a ratio of the output voltage sense signal to the input voltage sense signal.

摘要翻译： 示例性电源包括能量传递元件，开关和控制器。 控制器包括逻辑电路和恒流控制电路。 逻辑电路响应于控制信号产生驱动信号以控制开关。 恒流控制电路根据接收的输入电流检测信号，输入电压检测信号和输出电压检测信号产生控制信号。 包括在恒流控制电路中的积分器将输入电流检测信号积分，以产生表示从输入电压源获取的电荷的积分信号。 恒流控制电路适于产生控制信号以在电源的输出处提供恒定电流，使得积分信号与输出电压感测信号与输入电压感测信号的比例成比例。

公开(公告)号：US08325505B2

公开(公告)日：2012-12-04

申请号：US13401674

申请日：2012-02-21

申请人： David Kung ,  William M. Polivka

发明人： David Kung ,  William M. Polivka

IPC分类号： H02M7/44

CPC分类号： H02M3/33523 ,  H02M2001/0009

摘要： An example power supply includes an energy transfer element, a switch and a controller. The controller includes a logic circuit and a constant current control circuit. The logic circuit generates a drive signal to control the switch in response to a control signal. The constant current control circuit generates the control signal in response to a received input current sense signal, input voltage sense signal, and output voltage sense signal. An integrator included in the constant current control circuit integrates the input current sense signal to generate an integrated signal representative of a charge taken from the input voltage source. The constant current control circuit is adapted to generate the control signal to provide a constant current at the output of the power supply such that the integrated signal is proportional to a ratio of the output voltage sense signal to the input voltage sense signal.

摘要翻译： 示例性电源包括能量传递元件，开关和控制器。 控制器包括逻辑电路和恒流控制电路。 逻辑电路响应于控制信号产生驱动信号以控制开关。 恒流控制电路根据接收的输入电流检测信号，输入电压检测信号和输出电压检测信号产生控制信号。 包括在恒流控制电路中的积分器将输入电流检测信号积分，以产生表示从输入电压源获取的电荷的积分信号。 恒流控制电路适于产生控制信号以在电源的输出处提供恒定电流，使得积分信号与输出电压感测信号与输入电压感测信号的比例成比例。

公开(公告)号：US20100301821A1

公开(公告)日：2010-12-02

申请号：US12477058

申请日：2009-06-02

申请人： David Kung ,  William M. Polivka

发明人： David Kung ,  William M. Polivka

IPC分类号： G05F1/10

CPC分类号： H02M3/33523 ,  H02M2001/0009

摘要： An example controller includes a constant current control circuit and an integrator included in the constant current control circuit. The constant current control circuit is to be coupled to receive an input current sense signal, an input voltage sense signal, and an output voltage sense signal. The control circuit is adapted to regulate an output current of a power supply by generating a control signal to control switching of a switch. The integrator is coupled to integrate the input current sense signal during a switching period of the control signal to generate an integrated signal representative of a charge taken from an input voltage source of the power supply. The constant current control circuit is adapted to control the switching of the switch such that the integrated signal is proportional to a ratio of the output voltage sense signal to the input voltage sense signal.

摘要翻译： 示例性控制器包括恒流控制电路和包括在恒流控制电路中的积分器。 恒流控制电路将被耦合以接收输入电流感测信号，输入电压感测信号和输出电压感测信号。 控制电路适于通过产生控制信号来调节电源的输出电流来控制开关的切换。 耦合该积分器以在控制信号的开关周期期间集成输入电流感测信号，以产生代表从电源的输入电压源获取的电荷的积分信号。 恒流控制电路适于控制开关的开关，使得积分信号与输出电压感测信号与输入电压感测信号的比例成比例。

公开(公告)号：US20140236880A1

公开(公告)日：2014-08-21

申请号：US13770666

申请日：2013-02-19

申请人： Nancy Yan ,  Min He ,  David Kung

发明人： Nancy Yan ,  Min He ,  David Kung

IPC分类号： G06N5/02

CPC分类号： G06N5/025

摘要： A method and system are presented of automatically suggesting rules for data stored in a table, with the table comprising a plurality of columns. The table is profiled to identify a content type for each of one or more of the plurality of columns. A rule knowledge base is accessed to locate rules specified for identified content types. Then, one or more of the located rules specified for identified content types are presented as suggestions. Acceptance of one or more of the suggested rules is received from a user, and the received validations are stored in the rule knowledge base. The accepted rules are applied to data for quality detection and monitoring. Embodiments are also described where columns are suggested based on a given rule.

摘要翻译： 提供了一种方法和系统，其自动地建议存储在表中的数据的规则，其中该表包括多个列。 对表进行剖析以识别多个列中的一个或多个的每一个的内容类型。 访问规则知识库以查找为标识的内容类型指定的规则。 然后，为确定的内容类型指定的一个或多个定位规则作为建议呈现。 从用户接收到一个或多个建议的规则的接受，并且接收到的验证被存储在规则知识库中。 接受的规则适用于质量检测和监测的数据。 还描述了基于给定规则来建议列的实施例。

公开(公告)号：US08634218B2

公开(公告)日：2014-01-21

申请号：US12587398

申请日：2009-10-06

申请人： David Kung

发明人： David Kung

IPC分类号： H02M7/219

CPC分类号： H02M7/219 ,  H02M7/217 ,  H02M7/2176 ,  H02M2007/2195

摘要： An integrated circuit (IC) comprises a rectifier/regulator circuit coupled to receive an ac source voltage and output a regulated dc voltage. The rectifier/regulator circuit includes first and second switching elements that provide charging current when enabled. The first and second switching elements do not provide charging current when disabled. A sensor circuit is coupled to sense the regulated dc voltage and generate a feedback control signal coupled to the rectifier/regulator circuit that enables the first and second switching elements when the regulated dc voltage is above a target voltage, and disables the first and second switching elements when the regulated dc voltage is below the target voltage.

摘要翻译： 集成电路（IC）包括整流器/调节器电路，其耦合以接收交流电源电压并输出调节的直流电压。 整流器/调节器电路包括当使能时提供充电电流的第一和第二开关元件。 禁用时，第一和第二开关元件不提供充电电流。 传感器电路被耦合以感测调节的直流电压并且产生耦合到整流器/调节器电路的反馈控制信号，其在调节的直流电压高于目标电压时使能第一和第二开关元件，并且禁用第一和第二开关 当调节的直流电压低于目标电压时的元件。

公开(公告)号：US20130166515A1

公开(公告)日：2013-06-27

申请号：US13334135

申请日：2011-12-22

申请人： David Kung ,  Wu Cao ,  Suryanarayana Mangipudi ,  Aun-Khuan Tan

发明人： David Kung ,  Wu Cao ,  Suryanarayana Mangipudi ,  Aun-Khuan Tan

IPC分类号： G06F17/30

CPC分类号： G06Q10/063

摘要： In one embodiment, the method includes profiling a data file comprising one or more fields of data. The one or more fields of data contain an item of data; that is, a character, or group of characters that are related. Further, the method includes generating one or more profiling attributes based on profiling the data file. In an example, the one or more profiling attributes refer to profiling information relating to pattern, structure, content and format of data. Further, the method includes selecting at least one of the generated one or more profiling attributes and generating a validation rule based on the selected at least one profiling attribute.

摘要翻译： 在一个实施例中，该方法包括对包括一个或多个数据字段的数据文件进行分析。 一个或多个数据字段包含一个数据项; 也就是说，一个字符或一组相关的字符。 此外，该方法包括基于对数据文件的分析来生成一个或多个分析属性。 在一个示例中，一个或多个分析属性指的是与数据的模式，结构，内容和格式相关的分析信息。 此外，该方法包括选择生成的一个或多个分析属性中的至少一个，并且基于所选择的至少一个分析属性生成验证规则。

公开(公告)号：US20120146715A1

公开(公告)日：2012-06-14

申请号：US13398116

申请日：2012-02-16

申请人： David Kung ,  Leif Lund

发明人： David Kung ,  Leif Lund

IPC分类号： G05F3/02

CPC分类号： G05F3/30

摘要： A temperature independent reference circuit includes first and second bipolar transistors with commonly coupled bases. First and second resistors are coupled in series between the emitter of the second bipolar transistor and ground. The first and second resistors have first and second resistance values, R1 and R2, and third and second temperature coefficients, TC3 and TC2, respectively. The resistance values being such that a temperature coefficient of a difference between the base-emitter voltages of the first and second bipolar transistors, TC1, is substantially equal to TC2×(R2/(R1+R2))+TC3×(R1/(R1+R2)), resulting in a reference current flowing through each of the first and second bipolar transistors that is substantially constant over temperature. A third resistor coupled between a node and the collector of the second bipolar transistor has a value such that a reference voltage generated at the node is substantially constant over temperature.

摘要翻译： 独立于温度的参考电路包括具有共同耦合的基极的第一和第二双极晶体管。 第一和第二电阻串联耦合在第二双极晶体管的发射极和地之间。 第一和第二电阻器分别具有第一和第二电阻值R1和R2，以及第三和第二温度系数TC3和TC2。 电阻值使得第一和第二双极晶体管的基极 - 发射极之间的电压TC1的温度系数基本上等于TC2×（R2 /（R1 + R2））+ TC3×（R1 /（ R1 + R2）），导致流经第一和第二双极晶体管中的每一个的参考电流在温度上基本恒定。 耦合在第二双极晶体管的节点和集电极之间的第三电阻器具有使得在节点处产生的参考电压在温度上基本恒定的值。

公开(公告)号：US20110121889A1

公开(公告)日：2011-05-26

申请号：US12931377

申请日：2011-01-31

申请人： David Kung ,  Leif Lund

发明人： David Kung ,  Leif Lund

IPC分类号： G05F1/10

CPC分类号： G05F3/30

摘要： A temperature independent reference circuit includes first and second bipolar transistors with commonly coupled bases. First and second resistors are coupled in series between the emitter of the second bipolar transistor and ground. The first and second resistors have first and second resistance values, R1 and R2, and third and second temperature coefficients, TC3 and TC2, respectively. The resistance values being such that a temperature coefficient of a difference between the base-emitter voltages of the first and second bipolar transistors, TC1, is substantially equal to TC2×(R2/(R1+R2))+TC3×(R1/(R1+R2)), resulting in a reference current flowing through each of the first and second bipolar transistors that is substantially constant over temperature. A third resistor coupled between a node and the collector of the second bipolar transistor has a value such that a reference voltage generated at the node is substantially constant over temperature.

公开(公告)号：US20110025278A1

公开(公告)日：2011-02-03

申请号：US12533977

申请日：2009-07-31

申请人： Balu Balakrishnan ,  David Kung ,  Raymond Kenneth Orr ,  David Michael Hugh Matthews

发明人： Balu Balakrishnan ,  David Kung ,  Raymond Kenneth Orr ,  David Michael Hugh Matthews

IPC分类号： H02J7/00

CPC分类号： H02M1/32 ,  H02M1/12 ,  H02M1/126 ,  H02M1/36 ,  H02M2001/322

摘要： A circuit to discharge a capacitance between input terminals of a power system is disclosed. An example circuit includes a control circuit coupled to an input of a power system. The control circuit is coupled to detect whether an electrical energy source is coupled to an input of the power system. A switch is also included and is coupled to the control circuit and to the input of the power system. The control circuit is coupled to drive the switch in a first operating mode when the electrical energy source is coupled to the input of the power system. The control circuit is coupled to drive the switch in a second operating mode when the electrical energy source is uncoupled from the input of the power system. A capacitance coupled between input terminals of the input of the power system is discharged through the switch to a threshold voltage in less than a maximum period of time from when the electrical power source is uncoupled from the input terminals of the power system.

摘要翻译： 公开了一种用于在电力系统的输入端子之间放电的电路。 示例电路包括耦合到电力系统的输入的控制电路。 控制电路被耦合以检测电能源是否耦合到电力系统的输入端。 还包括开关并且耦合到控制电路和电力系统的输入。 当电能源耦合到电力系统的输入端时，控制电路被耦合以在第一操作模式下驱动开关。 当电能源与电力系统的输入分离时，控制电路被耦合以在第二操作模式下驱动开关。 耦合在电力系统的输入端的输入端之间的电容通过开关从小于电力从电力系统的输入端分离的最大时间段内被释放到阈值电压。