G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom

Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
12/2011
12/28/2011	CN202093096U 一种变压器的低压短路阻抗测试装置 Low short-circuit impedance transformer testing apparatus
12/28/2011	CN202093095U 一种变压器直流电阻测试仪 A transformer DC resistance tester
12/28/2011	CN102301248A 电容至电压接口电路以及相关操作方法 Capacitance-to-voltage interface circuit and associated method of operation
12/28/2011	CN102298132A 接地导通电阻测试仪的校准装置 Ground-resistance tester calibration device
12/28/2011	CN102298094A 计算机联网远程监控检测仪 Computer networking RMON detector
12/28/2011	CN102298093A 一种测量接地网的接地电阻的方法 A method of measuring the grounding resistance of grounding grid
12/28/2011	CN102298092A 电动汽车的动力电池绝缘电阻检测方法及装置 Battery insulation resistance detection method and apparatus for electric vehicles
12/28/2011	CN102298091A 直流电源对地绝缘电阻的检测电路 DC power supply for insulation resistance testing circuit
12/28/2011	CN102298090A 信号完整性测试系统及方法 Signal integrity testing system and method
12/28/2011	CN102297877A 一种薄膜热电性能参数的测量装置和方法 Measuring apparatus and method for a thin-film thermoelectric performance parameters
12/28/2011	CN101900782B 气体绝缘组合电器设备测试系统 Gas insulated switchgear equipment testing system
12/28/2011	CN101825661B 一种动态测量高阻仪 A dynamic high-impedance measuring instrument
12/28/2011	CN101539598B 交流毫欧表的二端对测试方法 AC milliohms table two ends of the test method
12/28/2011	CN101477149B 电池内阻在线直流检测方法和系统 DC battery internal resistance line detection method and system
12/27/2011	US8086417 Normalizing capacitive sensor array signals
12/27/2011	US8085055 Branch current monitoring system
12/22/2011	WO2011157472A1 Circuit arrangement for determining a voltage fluctuation of conductor potentials in an unearthed electrical network
12/22/2011	WO2011157470A1 Circuit arrangement for determining a voltage fluctuation of conductor potentials in an unearthed electrical network
12/22/2011	WO2011157469A1 Circuit arrangement for determining a voltage fluctuation of conductor potentials in an unearthed electrical network
12/22/2011	US20110313708 Methods for manufacturing devices with flex circuits and radio-frequency cables
12/22/2011	US20110313698 Voltage polarity determination circuit and charge amount measurement circuit
12/22/2011	US20110313622 Occupant posture sensing apparatus and occupant posture sensing method
12/22/2011	US20110311252 Image forming apparatus, resistance measuring device of recording medium, and resistance measuring method
12/22/2011	US20110309848 Conductive conductivity sensor
12/22/2011	US20110309847 High Current Kelvin Connections and Contact Resistance Verification Method
12/22/2011	US20110309846 Capacitance detection in electrochemical assay with improved response
12/22/2011	US20110309845 Elastomeric Conductor and Shield Fault Detection
12/22/2011	US20110309844 System for measurement with pearls
12/22/2011	DE102011077926A1 Sensormesssystem, das impulsstromsignale verwendet Sensor measuring system, the pulse current signals used
12/21/2011	CN202083752U 一种电解电容配对试验装置 An electrolytic capacitor paired test device
12/21/2011	CN202083745U 变频器功能检测装置 Inverter function detection device
12/21/2011	CN102292861A 用于监测燃料电池设备的电气隔离的装置和方法 Apparatus and method for monitoring electrical isolation apparatus for a fuel cell
12/21/2011	CN102291656A 一种功率超声换能器静态匹配快速调试方法 A power ultrasonic transducer static matching rapid testing method
12/21/2011	CN102290227A 电容型电流互感器外绝缘泄漏电流影响的防治方法 Capacitive current transformer external insulation leakage current on the control methods
12/21/2011	CN102288834A 接地监测器 Ground Monitor
12/21/2011	CN102288833A 火工品自动检测装置 Pyrotechnics automatic detection device
12/21/2011	CN102288832A 基于soi硅片的双端固支梁压阻系数的测量方法 Based on measurements of the double-end soi silicon piezoresistive coefficient clamped beam
12/21/2011	CN102288831A 一种低成本高精度的电阻测量系统及其测量方法 A low-cost high-precision resistance measurement system and measurement methods
12/21/2011	CN102288830A 一种单片机产生spwm信号激励的蓄电池阻抗检测装置 A SCM produce battery impedance detection device spwm excitation signal
12/21/2011	CN102288829A 可控四探针的石墨电阻测试装置 Graphite resistance testing device controlled four-probe
12/21/2011	CN102288828A 数字高压多功能绝缘子检测设备 High voltage insulator multifunction digital testing equipment
12/21/2011	CN102288827A 电机绕组的阻值、温度、状态的实时检测电路及其方法 Real-time detection circuit and method of the motor winding resistance, temperature, state of
12/21/2011	CN102288826A 一种二合一特性阻抗探头 One kind of combo characteristic impedance probe
12/21/2011	CN102288825A 碳纤维复合材料制件表面铝层电阻值测量方法 Carbon fiber composite workpiece surface layer of aluminum resistance measurement method
12/21/2011	CN102288824A 高压原位阻抗谱测量的电极及其制备方法和应用 In situ high voltage electrode and its preparation method and application impedance spectroscopy measurements
12/21/2011	CN102288823A 确定dc电路的绝缘电阻 Determine the dc circuit insulation resistance
12/21/2011	CN102288822A 印刷电路板碳墨阻值测试装置 PCB carbon ink resistance test apparatus
12/21/2011	CN101701994B 一种低频电缆网络导通绝缘测试方法 Low-frequency cable network conduction insulation test methods
12/20/2011	US8081736 Method and apparatus for measuring electrical properties of communication lines
12/20/2011	US8081006 Non-linear sensor temperature compensation using summed temperature compensation signals
12/20/2011	US8081005 Capacitive sensors for nano-positioning and methods of using the same
12/15/2011	WO2011154021A1 Method and apparatus for adjusting a function of an electronic device
12/15/2011	US20110304347 RF Non-Contact Thin Film Measurement Using Two Port Waveguide
12/15/2011	US20110304346 Method for treating and sealing piezoelectric tuning forks
12/15/2011	US20110304345 Position sensor
12/15/2011	US20110303016 Flexible polymer-based encapsulated-fluid devices
12/15/2011	DE102011077362A1 Systeme und Methoden zur Verwendung von Zeitbereichsreflektometrie Systems and methods for using time domain reflectometry
12/15/2011	DE102010030133A1 Schaltungsanordnung zur Bestimmung einer Spannungsschwankung von Leiterpotentialen in einem ungeerdeten elektrischen Netz Circuitry for determining a voltage fluctuation of circuit potentials in an ungrounded electrical network
12/15/2011	DE102010030129A1 Schaltungsanordnung zur Bestimmung einer Spannungsschwankung von Leiterpotentialen in einem ungeerdeten elektrischen Netz Circuitry for determining a voltage fluctuation of circuit potentials in an ungrounded electrical network
12/15/2011	DE102010030083A1 Schaltungsanordnung zur Bestimmung einer Spannungsschwankung von Leiterpotentialen in einem ungeerdeten elektrischen Netz Circuitry for determining a voltage fluctuation of circuit potentials in an ungrounded electrical network
12/15/2011	DE102010030079A1 Verfahren und Vorrichtung zur Überwachung des Isolationswiderstandes in einem ungeerdeten elektrischen Netz Method and apparatus for monitoring the insulation resistance in an ungrounded electrical network
12/14/2011	EP2395347A1 Device and method for performing electrical impedance tomography
12/14/2011	EP1423917B1 Presence sensing device
12/14/2011	CN202075375U 一种光伏组件测试仪 A photovoltaic module tester
12/14/2011	CN202075348U 智能化多功能物理量测量仪 Intelligent multi-functional physical measurement instrument
12/14/2011	CN102282474A 数据测量方法和系统 Data measurement techniques and systems
12/14/2011	CN102282473A 应用于电源的数字补偿器 Applied to the power of the digital compensator
12/14/2011	CN102281113A 通信中继装置及其驻波比检测装置和方法 The communication relay apparatus and the standing wave ratio detecting apparatus and method
12/14/2011	CN102281112A 通信中继装置驻波定标方法及其相应的驻波校准方法 Standing wave communication relay apparatus calibration method and the corresponding standing wave calibration method
12/14/2011	CN102279320A 一种基于误差分析的确定线损率合理区间的方法 An error analysis to determine the line loss rate based on a reasonable range
12/14/2011	CN102279319A Self-compensating single-way precise conductivity detection alarm with symmetrical leads
12/14/2011	CN102279318A 光伏并网逆变器的对地绝缘电阻在线检测系统 The insulation and the net PV inverter resistance line detection system
12/14/2011	CN102279317A Online detection method of insulating resistance to ground of photovoltaic grid-connected inverter
12/14/2011	CN102279316A 多孔介质中天然气水合物电阻率测量传感器 Gas hydrate in porous media resistivity measurement sensor
12/14/2011	CN102279311A 配电变压器中线电流在线检测与总损耗确定方法 Distribution transformer neutral current line detection method for determining the total loss
12/14/2011	CN101706532B 一种谐波阻抗测量方法及测量装置 Harmonic impedance measuring method and apparatus
12/14/2011	CN101661418B 一种键盘测试系统 A keyboard test system
12/14/2011	CN101542299B 电子部件的高频特性误差修正方法 High-frequency characteristics of the error correction method of electronic components
12/13/2011	US8077935 Methods and apparatus for acquiring a swiped fingerprint image
12/13/2011	US8076950 Method and apparatus for measuring the water conductivity and water volume fraction of a multiphase mixture containing water
12/13/2011	US8076949 Enhanced proximity sensing
12/13/2011	US8076668 Electrostatically regulated atomic scale electroconductivity device
12/13/2011	CA2376433C Method and system for automatic determination of inductance
12/08/2011	WO2011153216A2 Integrated electric field sensor
12/08/2011	WO2011151856A1 Measurement device and measurement method
12/08/2011	US20110300938 Capacitive input for computer program
12/08/2011	US20110300751 Audio connector control system
12/08/2011	US20110300461 Fuel cell system
12/08/2011	US20110298699 Input apparatus, information processing apparatus, operation input method, and sensor sheet
12/08/2011	US20110298482 Touch sensor
12/08/2011	US20110298481 Capacitance electrode and sensor-system capable of sensing contaminants and method therefor
12/08/2011	US20110298480 Compensation of parasitic capacitances of capacitive sensors
12/08/2011	US20110298479 Capacitive coordinate input device, capacitive coordinate input method, and information device
12/08/2011	US20110298478 Method for determining residual coupling of an inductive conductivity sensor
12/08/2011	US20110298477 Systems and methods for detecting anomalies on internal surfaces of hollow elongate structures using time domain or frequency domain reflectometry
12/08/2011	US20110298476 Application of open and/or short structures to bisect de-embedding
12/08/2011	US20110298475 Method and device for monitoring a sheath voltage arrester of a cable system
12/08/2011	DE102011076320A1 Erdungsüberwachungs-Vorrichtung Grounding monitoring device
12/08/2011	DE102010039272B3 Kapazitätsmessschaltung, Sensorsystem und Verfahren zum Messen einer Kapazität unter Verwendung eines sinusförmigen Spannungssignals Capacitance measuring circuit, sensor system and method for measuring a capacitance using a sinusoidal voltage signal
12/07/2011	EP2391898A2 Capacitance-to-voltage interface circuit, and related operating methods

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