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1. 发明申请

WO2016021500A1 電流センサ审中-公开
标题翻译：电流传感器
公开(公告)号：WO2016021500A1
公开(公告)日：2016-02-11
申请号：PCT/JP2015/071812
申请日：2015-07-31
申请人：アルプス・グリーンデバイス株式会社
发明人：蛇口　広行
IPC分类号： G01R19/00 , G01R15/08 , G01R15/20
CPC分类号： G01R15/08 , G01R15/09 , G01R15/207 , G01R19/0092
摘要：感度の低い第１の磁気センサ１の出力と感度の高い第２の磁気センサ２の出力とを比較することによって、第２の磁気センサ２において磁場の測定が可能な最大値よりも被測定電流Ｉが大きくなったか否かが判定される。被測定電流Ｉが当該最大値より小さい場合、選択部４において第２の磁気センサ２の出力が選択され、被測定電流Ｉが当該最大値を超えた場合、選択部４において第１の磁気センサ１の出力が選択される。
摘要翻译：通过比较具有低灵敏度的第一磁传感器1和具有高灵敏度的第二磁传感器2的输出的输出，确定测量的电流I是否大于磁化的最大值可以在第二磁传感器2中测量。当测量的电流I小于最大值时，在选择单元4中选择第二磁传感器2的输出，并且当测量的电流I超过最大值在选择单元4中选择第一磁传感器1的输出。

2. 发明申请

WO2011008569A1 A WIDE DYNAMIC RANGE ELECTROMETER WITH A FAST RESPONSE 审中-公开
标题翻译：具有快速响应的宽动态范围电动机
公开(公告)号：WO2011008569A1
公开(公告)日：2011-01-20
申请号：PCT/US2010/040553
申请日：2010-06-30
申请人： MKS INSTRUMENTS, INC. , FLETCHER, William, Roger
发明人： FLETCHER, William, Roger
IPC分类号： G01R15/09 , G01R15/16 , G01R19/00 , H03F3/45
CPC分类号： G01R19/0061 , G01R15/09 , G01R15/165 , G01R19/0023 , H03F3/45475 , H03F2200/261 , H03F2203/45138 , H03F2203/45518 , H03F2203/45522 , H03F2203/45528 , H03F2203/45534 , H03F2203/45536
摘要： A method and apparatus for measuring current includes sensing a first voltage at the output of an amplifier and computing a current based on the first voltage and the resistance of a first resistive element, which is electrically coupled between an inverting input of the amplifier and the output of the amplifier, if the first voltage is below a predetermined level. The method also includes sensing a second voltage at the output of a buffer and computing a current based on the first and second voltages and the resistances of the first resistive element and a second resistive element, which is electrically coupled between the inverting input of the amplifier and an input of the buffer and is also electrically coupled to the output of the amplifier through a at least one diode, if the voltage output from the amplifier is above the predetermined level.
摘要翻译：一种用于测量电流的方法和装置包括感测放大器的输出处的第一电压，并且基于第一电阻和第一电阻元件的电阻来计算电流，第一电阻和电阻耦合在放大器的反相输入端和输出端如果第一电压低于预定电平。该方法还包括在缓冲器的输出处感测第二电压并且基于第一和第二电压以及第一电阻元件和第二电阻元件的电阻计算电流，第二电阻元件电耦合在放大器的反相输入端以及如果从放大器输出的电压高于预定电平，则缓冲器的输入端还通过至少一个二极管电耦合到放大器的输出端。

3. 发明申请

WO2014159255A1 LOW POWER AND DYNAMIC VOLTAGE DIVIDER AND MONITORING CIRCUIT 审中-公开
标题翻译：低功率和动态电压分压器和监测电路
公开(公告)号：WO2014159255A1
公开(公告)日：2014-10-02
申请号：PCT/US2014/022711
申请日：2014-03-10
申请人： QUALCOMM INCORPORATED
发明人： SUN, Bo
IPC分类号： G01R19/165 , G01R15/08 , G01R15/04 , G05F1/46 , G01R15/09
CPC分类号： G05F3/08 , G01R15/04 , G01R15/08 , G01R15/09 , G01R19/16519 , G01R19/16552 , G05F1/465
摘要： A voltage divider circuit (103) is provided that automatically and dynamically adjusts its voltage divider chains as a supply voltage changes. The voltage divider circuit includes a plurality of voltage divider branches (102, 104, 106) having different divider factors to divide the supply voltage (VDD) and obtain a divided supply voltage (Vm_A, Vm_B, Vm_i). Additionally, a control circuit (112) is coupled to the plurality of voltage divider branches and adapted to automatically monitor the supply voltage and dynamically select (116) a voltage divider branch from among the plurality of voltage divider branches to maintain a selected divided supply voltage within a pre-determined voltage range.
摘要翻译：提供分压器电路（103），其随着电源电压的变化自动且动态地调节其分压器链。分压器电路包括具有不同分频器因数的多个分压器分支（102,104,106），以分割电源电压（VDD）并获得分压电源电压（Vm_A，Vm_B，Vm_i）。另外，控制电路（112）耦合到多个分压器分支并且适于自动监测电源电压并且动态地选择（116）多个分压器分支中的分压器分支以保持所选择的分开的电源电压在预定的电压范围内。

4. 发明申请

WO2014095226A1 VERFAHREN ZUM EINRICHTEN EINES STROMSENSORS 审中-公开
标题翻译：方法电子式传感器设置
公开(公告)号：WO2014095226A1
公开(公告)日：2014-06-26
申请号：PCT/EP2013/074522
申请日：2013-11-22
申请人： CONTINENTAL TEVES AG & CO. OHG
发明人： ECKRICH, Jörg , JÖCKEL, Wolfgang , RINK, Klaus , MARTIN, Torsten , HAVERKAMP, Martin , HERCHENRÖDER, Jens
IPC分类号： G01R19/00
CPC分类号： G01R35/007 , G01R1/203 , G01R15/09 , G01R19/0092 , G01R35/005
摘要： Die Erfindung betrifft ein Verfahren zum Einrichten eines Stromsensors (4) mit einem Innenwiderstand, der vom zu messenden Strom (12) abhängig ist, wobei der Innenwiderstand im Rahmen einer Regelung (8) eines Istspannungsabfalls (22) am Stromsensor (4) auf einen Sollspannungsabfall (30) einstellt wird, umfassend Kalibrieren oder Plausibilisieren eines Betriebs des Stromsensors (4) basierend auf einer Kennlinie (38), in der der zu messende Strom (12) einer vom Innenwiderstand abhängigen Größe (28) oder dem Innenwiderstand gegenübergestellt ist.
摘要翻译：本发明涉及一种方法，用于在所述电流传感器（4），以一个给定值的电压降建立在一个Istspannungsabfalls（22）的控制装置（8）的电流传感器（4），其具有内部电阻，这是依赖于当前被测量（12），由此所述内部电阻（30）调整，其包括校准或在其中被测定电流的特性曲线（38）上检查电流传感器（4）的操作的合理性（12）基于所面临一个依赖于内阻的大小（28）或所述内部电阻。

5. 发明申请

WO1999028756A1 METHOD OF MEASURING CURRENT WHILE APPLYING A VOLTAGE AND APPARATUS THEREFOR 审中-公开
标题翻译：测量电流电流的方法及其设备
公开(公告)号：WO1999028756A1
公开(公告)日：1999-06-10
申请号：PCT/JP1997004398
申请日：1997-12-02
申请人： ADVANTEST CORPORATION , HASHIMOTO, Yoshihiro
发明人： ADVANTEST CORPORATION
IPC分类号： G01R31/26
CPC分类号： G01R31/2851 , G01R15/09 , G01R19/0092 , G01R31/3004 , G01R31/31924
摘要： An apparatus for measuring current while applying a voltage, in which a predetermined voltage is applied to a noninverted input terminal of an operational amplifier, a voltage applied to a load is given to an inverted input terminal, a resistor for measuring current is connected between the output terminal of the operational amplifier and the load, and a voltage generated across the resistor for measuring current is measured to measure a current flowing into the load in a state where a predetermined voltage is applied to the load. A plurality of resistors for measuring currents is connected in series to meet a range for measuring current, a current by-pass switching element is connected in parallel with each of the resistors for measuring currents so as to be turned on when a voltage generated across the resistors for measuring currents has exceeded a predetermined voltage, voltages generating at the terminals of the resistors for measuring currents are automatically measured successively, the measured results are subjected to the subtraction to calculate voltages generated across the resistors for measuring currents, and an optimum value included in any one of the measuring ranges is selected from the calculated results to specify a current flowing into the load.
摘要翻译：一种用于在向运算放大器的非反相输入端施加预定电压的电压下测量电流的装置给予反相输入端，用于测量电流的电阻连接在运算放大器的输出端子和负载，测量用于测量电流的电阻器两端产生的电压，以在向负载施加预定电压的状态下测量流入负载的电流。用于测量电流的多个电阻串联连接以满足用于测量电流的范围，电流旁路开关元件与用于测量电流的每个电阻并联连接，以便当跨过用于测量电流的电阻已经超过预定电压，连续自动测量在用于测量电流的电阻器的端子处产生的电压，对测量结果进行减法，以计算用于测量电流的电阻器上产生的电压，并且包括最佳值从计算结果中选择任一个测量范围，以指定流入负载的电流。

6. 发明申请

WO2015077234A2 BATTERY FUEL GAUGES USING FET SEGMENT CONTROL TO INCREASE LOW CURRENT MEASUREMENT ACCURACY 审中-公开
标题翻译：使用FET分段控制提高电流测量精度的电池燃料电池
公开(公告)号：WO2015077234A2
公开(公告)日：2015-05-28
申请号：PCT/US2014/066163
申请日：2014-11-18
申请人： QUALCOMM INCORPORATED
发明人： MIKUTEIT, Eric Ian
IPC分类号： G01R19/00
CPC分类号： G01R31/3644 , G01R1/203 , G01R15/09 , G01R19/0092 , G01R31/3624 , H01M10/48 , H03K2217/0027
摘要： A circuit comprises a battery field-effect transistor (FET) coupled between a battery and an electronic system so that current from the battery flows through the battery FET to the electronic system. A replica FET couples the battery to a current sensing circuit. One of the battery FET and the replica FET comprises a plurality of parallel FET segments having separate control terminals. A logic block provides a plurality of switch control signals based on a system state input. A switching circuit receives the switch control signals and selectively couples the separate control terminals of the FET segments to one of a first reference voltage terminal or a second reference voltage terminal to independently turn each FET segment on or off. The current sensing circuit provides a voltage indicative of the current flowing through the replica FET.
摘要翻译：电路包括耦合在电池和电子系统之间的电池场效应晶体管（FET），使得来自电池的电流流过电池FET流到电子系统。复制FET将电池耦合到电流感测电路。电池FET和复制FET中的一个包括具有单独控制端的多个并联FET段。逻辑块基于系统状态输入提供多个开关控制信号。开关电路接收开关控制信号，并且将FET段的分离的控制端子选择性地耦合到第一参考电压端子或第二参考电压端子之一，以独立地使每个FET段导通或关断。电流感测电路提供指示流过复制FET的电流的电压。

7. 发明申请

WO2013016382A2 SYSTEM FOR MEASURING CURRENT AND METHOD OF MAKING SAME 审中-公开
标题翻译：用于测量电流的系统及其制造方法
公开(公告)号：WO2013016382A2
公开(公告)日：2013-01-31
申请号：PCT/US2012/048055
申请日：2012-07-25
申请人： EATON CORPORATION , WOELFEL, James , WOODLEY, Kaijam
发明人： WOELFEL, James , WOODLEY, Kaijam
IPC分类号： G01R15/18 , G01R3/00
CPC分类号： G01R15/18 , G01R13/0218 , G01R15/002 , G01R15/005 , G01R15/08 , G01R15/09 , G01R19/0092 , G01R19/22 , G01R21/06 , G01R22/06 , G01R31/343 , H03M2201/2216 , Y10T29/49117
摘要： A system for measuring current includes a current monitoring system comprises a current sensor configured to sense a first current passing through a conductor and a voltage conversion device coupled to the current sensor and configured to receive a second current from the current sensor and convert the second current into a first voltage. A first scaling circuit is coupled to the voltage conversion device and configured to convert the first voltage to a second voltage proportional to the first current based on a first scaling factor, and a second scaling is circuit coupled to the voltage conversion device and configured to convert the first voltage to a third voltage proportional to the first current based on a second scaling factor, wherein the second scaling factor is different from the first scaling factor.
摘要翻译：一种用于测量电流的系统包括电流监测系统，其包括被配置为感测通过导体的第一电流的电流传感器和耦合到电流传感器的电压转换装置，并被配置为从电流传感器接收第二电流并将第二电流成为第一电压。第一缩放电路耦合到电压转换装置并且被配置为基于第一缩放因子将第一电压转换成与第一电流成比例的第二电压，并且第二缩放电路耦合到电压转换装置并且被配置为转换基于第二缩放因子将第一电压转换成与第一电流成比例的第三电压，其中第二比例因子不同于第一缩放因子。

8. 发明申请

WO2012133756A1 消費電力管理システム审中-公开
标题翻译：消耗电力管理系统
公开(公告)号：WO2012133756A1
公开(公告)日：2012-10-04
申请号：PCT/JP2012/058557
申请日：2012-03-30
申请人：日本電気株式会社 , 渋谷展太
发明人：渋谷　展太
IPC分类号： G01R19/00
CPC分类号： G01R19/0092 , G01R15/09
摘要：　消費電力管理システムは、電源線に接続されたメイン部と、前記メイン部に電気的に接続されるとともに、負荷に供給される電流を所定の設定値に制限するブレーカと、電流センサおよび信号処理部を有するセンサユニットとを具備する。前記電流センサは、前記メイン部から前記ブレーカに供給される電流を測定し、測定した電流に基づいて電流検出信号を出力する。前記信号処理部は、前記電流検出信号を所定時間に亘って受信し、受信された電流検出信号から信号レベルの範囲を判別し、その判別結果に応じて前記電流検出信号の入力レンジを調整する。
摘要翻译：电力消耗管理系统设置有连接到电力线的主单元，电连接到主单元的断路器，并将提供给负载的电流限制在预定设定值，以及具有电流传感器和信号处理单元。电流传感器测量从主单元提供给断路器的电流，并根据测量的电流输出电流检测信号。信号处理单元在规定时间内接收电流检测信号，从接收到的电流检测信号确定信号电平的范围，并根据判定结果调整电流检测信号的输入范围。

9. 发明申请

WO2011063328A2 LOGARITHMIC MEAN-SQUARE POWER DETECTOR 审中-公开
标题翻译：对数均方幂检测器
公开(公告)号：WO2011063328A2
公开(公告)日：2011-05-26
申请号：PCT/US2010057611
申请日：2010-11-22
申请人： HITTITE MICROWAVE CORP , EKEN YALCIN ALPER , KATZIN PETER JOHN
发明人： EKEN YALCIN ALPER , KATZIN PETER JOHN
IPC分类号： G01R23/02
CPC分类号： G01R21/12 , G01R15/09 , G01R19/02 , G06G7/24 , H03G3/3036 , H03G7/001
摘要： A mean square power detector in accordance with one or more embodiments includes a gain or attenuation circuit comprising a plurality of gain or attenuation elements arranged for generating a plurality of amplified or attenuated versions of a radio frequency (RF) input signal. The mean square power detector also includes a plurality of mean square detectors coupled to the gain or attenuation circuit. Each of the mean square detectors receives a different one of the plurality of amplified or attenuated versions of the RF input signal. Each of the plurality of mean square detectors generates an output signal representative of the mean square power of the RF input signal for a different input signal level range. A summing element is coupled to the plurality of mean square detectors for combining the output signals of the plurality of mean square detectors to generate a signal representative of the mean square or root mean square of the RF input signal.
摘要翻译：根据一个或多个实施例的均方根功率检测器包括增益或衰减电路，该增益或衰减电路包括被布置用于产生射频（RF）输入信号的多个放大或衰减版本的多个增益或衰减元件。均方根功率检测器还包括耦合到增益或衰减电路的多个均方检测器。每个均方检测器接收RF输入信号的多个放大或衰减版本中的不同的一个。多个均方检测器中的每一个产生表示不同输入信号电平范围的RF输入信号的均方功率的输出信号。求和元件耦合到多个均方检测器，用于组合多个均方检测器的输出信号，以产生表示RF输入信号的均方根或均方根的信号。

10. 发明申请

WO1986004150A1 CHARGE BALANCING DETECTION CIRCUIT 审中-公开
标题翻译：充电平衡检测电路
公开(公告)号：WO1986004150A1
公开(公告)日：1986-07-17
申请号：PCT/US1985002554
申请日：1985-12-20
申请人： SUNDSTRAND DATA CONTROL, INC.
发明人： SUNDSTRAND DATA CONTROL, INC. , FOOTE, Steven, A.
IPC分类号： G01R27/26
CPC分类号： G01P15/125 , G01R15/09 , G01R27/2605
摘要： Prior detection circuits for measuring capacitance differences have commonly included error sources, such as P-N junctions, in the DC signal path. The present invention provides an improved detection circuit for measuring the capacitance difference between first (C1) and second (C2) capacitive elements. The detection circuit comprises a first capacitor (C3) serially connected to the first capacitive element at a first common node (36) to form a first series circuit, and a second capacitor (C4) serially connected to the second capacitive element at a second common node (38) to form a second series circuit. The detection circuit also includes a switch (means) circuit (32) connected between the common nodes and a reference potential, (drive means) a driver (30) for applying a drive signal across each series circuit, a line for activating the switch (activation means) circuit (48) and (means) a difference detector (34) for measuring the voltage difference between the common nodes. The switch circuit has a first state in which the common nodes are connected to the reference potential and a second state in which the common nodes are isolated from the reference potential and from one another. The drive signal comprises a series of first voltage transitions (104, 106) operative to vary the total voltage drop across each series circuit. The line for activating the switch circuit changes the switch circuit from the first state to the second state at or prior to each first voltage transition. Therefore after each first voltage transition, the difference between the voltages of the first and second common nodes is a measure of the difference between the capacitances of the first and second capacitive elements. A similiar technique may be applied to the measurement of the capacitance of a single capacitor.

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