| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 07/16/2014 | CN203720241U 一种单体电压采集电路 One monomer voltage acquisition circuit |
| 07/16/2014 | CN203720240U 一种用于高频脉冲电流传感器的信号调理电路 A signal conditioning circuit for high-frequency pulse current sensor |
| 07/16/2014 | CN203720239U 一种特高压直流避雷器的在线监测仪及在线监测系统 One kind of HVDC arresters line monitor and on-line monitoring system |
| 07/16/2014 | CN203720238U 一种差分电路、逆变器以及电力系统 Kind of differential circuits, inverters and power system |
| 07/16/2014 | CN203720237U 一种电动汽车用电机控制器的电压检测系统 An electric vehicle motor controller voltage detection system |
| 07/16/2014 | CN203720236U 一种用于检测井下仪器的综合测试仪 Tester for detecting downhole tools |
| 07/16/2014 | CN203720235U 一种高压直流电源电流的检测电路 A high voltage DC power supply current detection circuit |
| 07/16/2014 | CN203720234U 电压内阻测量装置 Voltage resistance measuring device |
| 07/16/2014 | CN203720233U 一种无线分布式工频综合测量装置 A radio-frequency integrated distributed measurement device |
| 07/16/2014 | CN203720232U 一种开关电源的电流检测装置 A switching power supply of the current detecting device |
| 07/16/2014 | CN203720231U 便携式电解槽阳极电流测量记录分析系统的信号采集装置 Signal acquisition device for a portable cell anode current measurement recording and analyzing system |
| 07/16/2014 | CN103930967A 用于等离子体浸没式离子注入机的控制模块 For plasma immersion ion implanter control module |
| 07/16/2014 | CN103929048A 一种开关电源的过零检测电路 A switching power supply zero-crossing detection circuit |
| 07/16/2014 | CN103928923A 一种基于灵敏度分析的网络稳态电能质量预警方法 Steady electricity network sensitivity analysis based on the quality of early warning methods |
| 07/16/2014 | CN103926501A 一种拉杆式低压线路漏电故障检测仪 One kind of lever-type low-voltage line leakage fault detector |
| 07/16/2014 | CN103926488A 一种漏电保护器测试系统 One kind of leakage protection test system |
| 07/16/2014 | CN103926485A 基于电能采集终端的停电事件判断方法 Power outage event collection terminal based on the judgment method |
| 07/16/2014 | CN103926469A 一种中性点不接地系统电容电流的测试方法 Test method for ungrounded system capacitive current |
| 07/16/2014 | CN103926457A 一种提高光纤电流互感器闭环反馈系数稳定性的方法 A closed-loop fiber optic current transformer method for increasing the stability of the feedback coefficient |
| 07/16/2014 | CN103926456A 基于改进fft的闪变值计算方法及逆变器 Calculation methods and inverter based on the improved value of the fft Flicker |
| 07/16/2014 | CN103926455A 一种识别直流输入电压瞬变速度的方法及装置 Method and apparatus for identifying a DC input voltage transient speed |
| 07/16/2014 | CN103926454A 一种用Campbell法测量超导体电流密度的装置 A method of measuring the current density of the superconductor device Campbell method |
| 07/16/2014 | CN103926453A 基于can网络的正逆电流单回路检测装置 Forward and reverse currents can network-based single-loop detection device |
| 07/16/2014 | CN103926452A 圆柱电池用自动测ocv设备 Cylindrical battery with automatic test equipment ocv |
| 07/16/2014 | CN103926451A 中性点不接地系统中动态电压恢复器参考电压提取方法 Ungrounded system reference voltage dynamic voltage restorer extraction method |
| 07/16/2014 | CN103926450A 母排电压检测方法和电路 Busbar voltage detection method and circuit |
| 07/16/2014 | CN103926449A 电力电缆接地电流的自适应监测方法 Adaptive power cable ground current monitoring methods of |
| 07/16/2014 | CN103926448A 一种高效智能寻管线检测系统 An efficient hunt pipeline detection system |
| 07/16/2014 | CN103926447A 一种信号取得电路及其开关电源 A signal made its switching power supply circuit |
| 07/16/2014 | CN103926446A 一种利用钡铁氧体薄膜测量雷电流的装置 A barium ferrite thin film measuring device utilizes the lightning current |
| 07/16/2014 | CN103926445A 一种寻找肌肉电流信号起始点和终止点的算法 A finding algorithm muscles current signal the start and end points |
| 07/16/2014 | CN103926444A 旋转电机轴电压测量杆 Rotating motor shaft voltage measuring rod |
| 07/16/2014 | CN103926443A 电压跌落的模拟测试电路及方法 Analog voltage drop test circuit and method of |
| 07/16/2014 | CN102749538B 大功率发射源主波束照射下抛物面天线耦合电平数值仿真的校模方法 Power transmission source of the main beam irradiation parabolic antenna coupling level numerical simulation method for the correction mode |
| 07/16/2014 | CN102539902B 基于行波直接测量的输电线路直击雷与感应雷辨识方法 Transmission Line Identification of direct lightning strikes and lightning based on direct measurement of the traveling wave |
| 07/16/2014 | CN102523272B 一种电能测量、控制和保护系统 One kind of energy measurement, control and protection systems |
| 07/16/2014 | CN102445582B 一种适用于高压直流测量的一次电流传感器结构 A primary current sensor structure suitable for high voltage direct current measurement |
| 07/16/2014 | CN102401850B 多态信号指示器 Polymorphic Signal Indicator |
| 07/15/2014 | US8779801 Analog signal soft switching control with precise current steering generator |
| 07/15/2014 | US8779800 Control signal generation circuit and sense amplifier circuit using the same |
| 07/15/2014 | US8779787 Apparatus and method for determining variation in a predetermined physical property of a circuit |
| 07/15/2014 | US8779753 Apparatus for employing low ohmic alloy conductors and method for simplifying current drain data retrieval |
| 07/15/2014 | US8779752 Pass through device for non-contact voltage detectors |
| 07/15/2014 | US8779751 Switching apparatus and test apparatus |
| 07/15/2014 | US8779748 Error amplification circuit, control method for error amplification circuit, and switching regulator employing error amplification circuit |
| 07/15/2014 | US8776763 Internal combustion engine controller |
| 07/15/2014 | CA2609799C Method of producing a strip of nanocrystalline material and device for producing a wound core from said strip |
| 07/15/2014 | CA2456855C Method and apparatus for reducing skew in a real-time centroid calculation |
| 07/10/2014 | WO2014072733A3 Voltage measurement |
| 07/10/2014 | WO2013174558A3 Converter for an electric machine with monitoring of the contact-connection of the semiconductor components |
| 07/10/2014 | US20140195182 Novel digital signal processing method for measurement of ac voltage with power converters at light load operation |
| 07/10/2014 | US20140195179 Systems and methods to capture and utilize temperature information in a battery system |
| 07/10/2014 | US20140191772 Differential current sensor |
| 07/10/2014 | US20140191746 Method and system for localisation on a dc lighting and power grid |
| 07/10/2014 | DE102013200254A1 Messanordnung und Verfahren für das Erkennen einer Wechselspannung als Schienenpotential bei Gleichstrombahnsystemen und Anwendung der Messanordnung Measuring arrangement and method for detecting an alternating voltage as a rail potential at DC rail systems and application of the measuring arrangement |
| 07/10/2014 | DE102012024893A1 Messanordnung zur Bestimmung einer Messgröße und Verfahren zur Erzeugung eines Ausgangssignals Measuring arrangement for determining a measured variable and method for generating an output signal |
| 07/09/2014 | EP2752992A1 Method and apparatus for remotely operating AC powered appliances from video interphones or shopping terminals |
| 07/09/2014 | EP2752673A1 Method and device for measuring current |
| 07/09/2014 | EP2751582A1 Instantaneous phasor determination for poly-phase electrical grids |
| 07/09/2014 | CN203708360U 一种具有过流自动关机功能的led电视 Having an overcurrent automatic shutdown function led TV |
| 07/09/2014 | CN203707800U 一种快速检测孤岛装置 A fast islanding detection device |
| 07/09/2014 | CN203707619U 倒闸验电两用绝缘操作棒 Switching electrical inspection dual insulated operating rod |
| 07/09/2014 | CN203706917U 一种用于内置电阻式电压传感器的绝缘拉杆 A built-in sensor resistive voltage insulated rod |
| 07/09/2014 | CN203705607U 压力开关状态检测电路、电路板及具有其的电热产品 Pressure switch state detection circuit, the circuit board and having the same electric products |
| 07/09/2014 | CN203705606U 压力开关状态检测电路、电路板及具有其的电热产品 Pressure switch state detection circuit, the circuit board and having the same electric products |
| 07/09/2014 | CN203705568U 一种新型风电变流器并网检测电路 A new wind power converters and network detection circuit |
| 07/09/2014 | CN203705543U 电表装置、用电数据监测系统 Metering devices, electrical data monitoring system |
| 07/09/2014 | CN203705540U 一种农机电流参数记录存储装置及一种农机 One kind of agricultural current parameter record storage device and one kind of farm machinery |
| 07/09/2014 | CN203705539U 一种电压闪变监测仪 A voltage-monitor flicker |
| 07/09/2014 | CN203705538U 功能测试装置 Function test device |
| 07/09/2014 | CN203705537U 一种x射线源驱动箱信号的监控装置 Monitoring apparatus for x-ray source drive box signal |
| 07/09/2014 | CN203705536U 用于实时检测变频器输出电流的电路 For real-time detection of inverter output current of the circuit |
| 07/09/2014 | CN203705535U 变电站计量装置电压回路报警器 Substation metering device voltage circuit alarm |
| 07/09/2014 | CN203705534U 一种架空输电线路雷电流在线监测装置 One kind of overhead transmission lines lightning current on-line monitoring devices |
| 07/09/2014 | CN203705533U 电动汽车霍尔电流传感器电流检测电路 Electric cars Hall current sensor current detection circuit |
| 07/09/2014 | CN203705532U 无线电流监视报警系统 Wireless current monitoring alarm system |
| 07/09/2014 | CN203705531U 母线过压检测抗干扰电路 Bus overvoltage detection circuit interference |
| 07/09/2014 | CN203705530U 一种无线高压验电器 A wireless pressure electroscope |
| 07/09/2014 | CN203705529U 一种太阳能板高压验电器 A solar panel pressure electroscope |
| 07/09/2014 | CN203705528U 无源非接触式高压验电器 Passive non-contact pressure electroscope |
| 07/09/2014 | CN203705527U 免接触高空安全验电装置 Avoid contact with high-altitude electrical device safety inspection |
| 07/09/2014 | CN203705526U 一种电压极性判断电路及系统 A voltage-polarity judgment circuit and system |
| 07/09/2014 | CN203705525U 一种电流检测电路及其控制回路 A current detection circuit and control circuit |
| 07/09/2014 | CN203705524U 通用型多功能一体化综合测试台 General-in-one integrated test bed |
| 07/09/2014 | CN203705523U 多功能一体化综合测试台 Multifunction integrated and comprehensive test bench |
| 07/09/2014 | CN203705522U 一种绝缘子泄漏电流采集系统 One kind of insulator leakage current collection system |
| 07/09/2014 | CN203705521U 电动汽车动力电池箱分离式检测装置 Electric vehicle battery box separate detection device |
| 07/09/2014 | CN203705520U 分容柜精度检验装置 Sub-capacity cabinet accuracy test device |
| 07/09/2014 | CN203705519U 用于汽车怠速控制系统的引擎电压检测电路 For automotive engine idle speed control system is a voltage detecting circuit |
| 07/09/2014 | CN203705518U 一种霍尔传感器并联测电流工装 One kind of Hall sensors measure current tooling parallel |
| 07/09/2014 | CN203705517U 电压检测电路及具有其的电路板、加热设备、电热产品 Voltage detection circuit and a circuit board having the same, a heating device, electric products |
| 07/09/2014 | CN203705516U 基于pci采集卡的架空输电线路雷电流在线监测装置 Overhead transmission lines lightning current on-line monitoring device based capture card pci |
| 07/09/2014 | CN203705515U 新型分流器，一种电流采样及电路控制装置 The new shunt A current sampling and circuit control device |
| 07/09/2014 | CN203705514U 分流器，一种电流采样及电路控制装置 Shunts A current sampling and circuit control device |
| 07/09/2014 | CN203705077U 变压器套管末屏温度及接地电容电流在线监测装置 Transformer Bushing screen capacitive current temperature and the ground line monitoring device |
| 07/09/2014 | CN203700552U 便携式电解槽阳极电流测量记录分析仪 Portable cell anode current measurement record analyzer |
| 07/09/2014 | CN203700551U 无线传输铝电解槽阳极电流分布在线监测系统的测量装置 Wireless transmission aluminum cell anode current distribution line monitoring system for measuring device |
| 07/09/2014 | CN203700550U 用于铝电解槽阳极电流分布测量的半导体温差供电装置 Thermoelectric power supply unit for aluminum cell anode current distribution measurements |
| 07/09/2014 | CN203692656U 10kV配电线路接地故障巡视声光警示安保鞋 10kV distribution line ground fault patrol sound and light warning Security shoes |
| 07/09/2014 | CN103917878A Ac输入电压切断检测方法及电路 Ac input voltage trip detection method and circuit |