| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 04/05/2012 | US20120081102 Audio jack with ground detect |
| 04/05/2012 | US20120081101 Dead-line phase identification system and method thereof |
| 04/05/2012 | DE102011112998A1 Kostengünstiges Verfahren und Signalverarbeitungsalgorithmus zum schnellen Detektieren eines anomalen Betriebs einer einzelnen Brennstoffzelle in mehreren in Reihe geschalteten Brennstoffzellen Cost-effective methods and signal processing algorithm for fast detecting abnormal functioning of a single fuel cell in several series fuel cell |
| 04/05/2012 | DE102011003306B3 Schaltungsanordnung zur Erfassung und Digitalisierung eines analogen Eingangssignals sowie Feldgerät zur Prozessinstrumentierung Circuitry for capturing and digitizing an analog input signal and field device for process instrumentation |
| 04/05/2012 | DE102010041731A1 Recover-Verfahren für ein Gerät mit einem analogen Stromausgang zur Ausgabe eines Messwertes oder eines Stellwertes Recover method for a device with an analog current output for outputting a measurement value or a control value |
| 04/05/2012 | DE102010037876A1 Überwachung für Drehknäufe mit einer autarken Energieversorgung Monitoring for Drehknäufe with a self-sufficient energy supply |
| 04/04/2012 | EP2437073A2 RMS and envelope detector |
| 04/04/2012 | EP2435842A1 Method for determining the origin of power outages |
| 04/04/2012 | EP2286512B1 Method for determining the offset of a periodic signal |
| 04/04/2012 | CN202183555U 避雷针 Lightning rod |
| 04/04/2012 | CN202182914U 一种利用线性光耦实现交流电过零信号精确测量的电路 A use of linear optocoupler achieve accurate measurement of AC zero-crossing signal circuit |
| 04/04/2012 | CN202182913U 电池欠电压检测电路 Battery Undervoltage detection circuit |
| 04/04/2012 | CN202182912U 一种多功能手持相位表 A multifunctional handheld phase meters |
| 04/04/2012 | CN202182911U 一种低压软起动器的自动增益调节电流检测电路 A low-pressure automatic gain adjustment soft starter current detection circuit |
| 04/04/2012 | CN102403690A 一种过流保护电路 Type of overcurrent protection circuit |
| 04/04/2012 | CN102401869A 用于快速确定电力系统中的故障的装置和方法 Used to quickly determine the power system apparatus and method failure |
| 04/04/2012 | CN102401853A Double-shaft fluxgate current sensor |
| 04/04/2012 | CN102401852A Sampling resistor sensor for extra-high-voltage corona current |
| 04/04/2012 | CN102401851A Thin-wafer current sensors |
| 04/04/2012 | CN102401850A Multi-mode signal indicator |
| 04/04/2012 | CN102401809A Carbon monoxide detector and application of detector in voltage test pencil |
| 04/04/2012 | CN102398891A CoPc/TiO<sub>2</sub>复合半导体纳米材料的制备及光电流测试方法 CoPc / TiO <sub> 2 </ sub> Preparation and testing methods photocurrent compound semiconductor nanomaterials |
| 04/04/2012 | CN101776709B 一种用于表征铁电薄膜光电流的测量方法 A characterization of ferroelectric thin film photocurrent measurement method used |
| 04/04/2012 | CN101494426B 相电流检测装置 Phase current detection apparatus |
| 04/04/2012 | CN101256107B 一种空调电子膨胀阀开度检测装置 An air conditioner electronic expansion valve opening degree detecting means |
| 04/03/2012 | US8149018 Sense amplifier and electronic apparatus using the same |
| 04/03/2012 | US8148993 Abnormality detecting device, abnormality detecting method, and computer readable medium storing an abnormality detecting program |
| 03/29/2012 | WO2012039735A1 High-accuracy low-power current sensor with large dynamic range |
| 03/29/2012 | WO2012037767A1 Digital closed loop optical fiber current sensor |
| 03/29/2012 | WO2011156394A3 Systems and methods for classifying power line events |
| 03/29/2012 | US20120078680 Electrical Engineering And Capacity Management System And Method |
| 03/29/2012 | US20120078556 Current measurement in switched mode power supply |
| 03/29/2012 | US20120078555 Intelligent Electronic Device and Method Thereof |
| 03/29/2012 | US20120078554 Systems And Methods For Determining A Status Of An Electrical Coupling |
| 03/29/2012 | US20120075014 Systems and methods for high-sensitivity detection of input bias current |
| 03/29/2012 | US20120074929 Inductive Current Sensor |
| 03/29/2012 | US20120074926 Integrated circuit with power state determination circuit |
| 03/29/2012 | DE102011075488A1 Stromsensor Current sensor |
| 03/29/2012 | DE102010041648A1 Anordnung zur Überwachung eines elektrischen Leistungsverbrauchs eines Leitungskreises Arrangement for monitoring an electrical power consumption of a circuit line |
| 03/29/2012 | DE102010041499A1 Sensorvorrichtung mit Strombegrenzereinheit Sensor device with current limiter unit |
| 03/29/2012 | DE102010041430A1 Method for balancing of switch i.e. low voltage power switch, utilized in power distribution plant, involves computing current integrals from respective sequence of numbers, and balancing one current integral by using other current integral |
| 03/29/2012 | DE102010041275A1 Verfahren zur Überprüfung der ordnungsgemäßen Funktionsweise eines Stromsensors Procedures to verify the proper operation of a current sensor |
| 03/29/2012 | DE102010026533A1 Plier measuring device for measuring voltage and current of measured object, has current measurement unit connected to current-side converter unit, and voltage measurement unit connected to voltage-side converter unit |
| 03/28/2012 | EP2434302A1 Voltage monitoring apparatus |
| 03/28/2012 | EP2433543A2 Dust Collector |
| 03/28/2012 | EP2433146A2 Component rfid tag with non-volatile display of component use and scheme for low power strain measurement |
| 03/28/2012 | EP2233939B1 The method of measuring SoC of a battery in a battery management system and the apparatus thereof |
| 03/28/2012 | CN202178743U 一种压敏电阻劣化脱扣的装置 A pressure-sensitive resistance deterioration tripping device |
| 03/28/2012 | CN202177681U 直流输电线路故障的定位系统 DC transmission line fault location system |
| 03/28/2012 | CN202177674U 空调柜机的半实物仿真测试系统中用的智能测试装置 Air condition in the semi-physical simulation test system using intelligent testing device |
| 03/28/2012 | CN202177660U 电池组电压采样电路 Battery voltage sampling circuit |
| 03/28/2012 | CN202177659U 一种防盗报警装置中的充电检测电路 An anti-theft alarm device charge detection circuit |
| 03/28/2012 | CN202177658U 一种采用霍尔开关元件的雷击感应器系统 A lightning strike sensor system using Hall switch element |
| 03/28/2012 | CN202177657U 一种数字电参数测量仪 A digital electrical parameter measuring instrument |
| 03/28/2012 | CN202177655U 雷击专用数字存储示波器 Lightning strikes dedicated digital storage oscilloscope |
| 03/28/2012 | CN202172909U 一种带有电压报警的劳保鞋 A safety shoes with a voltage alarm |
| 03/28/2012 | CN202172908U 一种带有电压报警及警示灯的劳保鞋 Safety Shoes A voltage alarm and warning light with the |
| 03/28/2012 | CN102395894A Method of diagnosing the failure of a photovoltaiic generator |
| 03/28/2012 | CN102395890A Current-sensing circuit and air-conditioning device provided therewith |
| 03/28/2012 | CN102394612A Reset circuit based on low-voltage detection function |
| 03/28/2012 | CN102393546A Sensing fiber, sensing fiber ring and through-type all-fiber current sensor |
| 03/28/2012 | CN102393500A Test method for diode pair with common-cathode or common-anode packaging mode |
| 03/28/2012 | CN102393496A Novel method for detecting abnormality of alternating current circuit of traction substation |
| 03/28/2012 | CN102393486A Lithium battery current detecting circuit and method based on time digital converter |
| 03/28/2012 | CN102393485A Detection module for multi-loop leakage current |
| 03/28/2012 | CN102393484A Device for detecting stability of current |
| 03/28/2012 | CN102393483A Series battery voltage synchronization measuring method |
| 03/28/2012 | CN102393482A Grid-connected inverter and circuit for detecting island thereof |
| 03/28/2012 | CN102393250A Method and device for obtaining optimal bias voltage of infrared focal plane detector |
| 03/28/2012 | CN101833051B Electrified tester for zinc oxide arrester |
| 03/28/2012 | CN101692105B Device for real-time detecting product of production line of remote control |
| 03/28/2012 | CN101261290B Battery voltage supervisory circuit |
| 03/28/2012 | CN101166982B Low power voltage detection circuit and its method |
| 03/27/2012 | US8143920 Current sensor |
| 03/27/2012 | US8143879 Meter phase identification |
| 03/22/2012 | WO2012037088A1 Methods and apparatus to detect voltage conditions of power supplies |
| 03/22/2012 | WO2012036948A2 Method for determining proper wiring of multiple three-phase motors in a single system |
| 03/22/2012 | WO2012036339A1 Single-phase line voltage calculating method of a smart electricity distribution operating system, and recording medium for same |
| 03/22/2012 | WO2012034528A1 Method for calculating primary time constant of power grid |
| 03/22/2012 | US20120072148 Voltage drop analysis apparatus, voltage drop analysis method, and system |
| 03/22/2012 | US20120071782 Methods and systems for determining vascular bodily lumen information and guiding medical devices |
| 03/22/2012 | US20120068689 Eeprom cell with charge loss |
| 03/22/2012 | DE10260749B4 Hochfrequenz-Leistungsdetektor mit dBm-linearer Kennlinie und dessen Verwendung zur Regelung der Leistung einer elektrischen HF-Schwingung High-frequency power detector with dBm linear characteristic and its use for controlling the power of an electrical HF oscillation |
| 03/22/2012 | DE102011113503A1 Verfahren und Vorrichtung zum Schätzen des Ladezustands (SOC) einer Batterie Method and apparatus for estimating the state of charge (SOC) of a battery |
| 03/22/2012 | DE102010045990A1 Verfahren zum Betreiben eines Kraftwagens A method of operating a motor vehicle |
| 03/22/2012 | DE102010045973A1 Vorrichtung zur Überwachung von Strömen Apparatus for monitoring currents |
| 03/22/2012 | DE102010041133A1 Verfahren und Vorrichtung zum Betreiben eines Bordnetzes eines Fahrzeugs Method and apparatus for operating an electrical system of a vehicle |
| 03/22/2012 | DE102010041051A1 Antriebsvorrichtung und Verfahren zum Messen des Motorstroms Drive device and methods for measuring the motor current |
| 03/22/2012 | DE102010037582A1 Verfahren zur Bestimmung einer räumlichen Anordnung von Photovoltaikmodulgruppen einer Photovoltaikanlage A method for determining a spatial arrangement of photovoltaic module groups of a photovoltaic system |
| 03/21/2012 | EP2431830A2 Regulating device for a heating device |
| 03/21/2012 | EP2354800A9 Method of and apparatus for determining fundamental frequency component of the grid voltage |
| 03/21/2012 | CN202172021U 防雨式内置验电型绝缘操作杆 Rain-style built-in electrical inspection type insulating operating rod |
| 03/21/2012 | CN202171808U 一种带电子标签的杂散电流采集装置 Stray current acquisition unit with electronic tags |
| 03/21/2012 | CN202171732U 一种集中式地铁杂散电流监控装置 A centralized metro stray current monitoring device |
| 03/21/2012 | CN202171641U 载波电源监测模块 Carrier Power Monitoring Module |
| 03/21/2012 | CN202171619U Pda相位伏安测试仪 Pda phase voltammetry tester |
| 03/21/2012 | CN202171617U Contact current tester |
| 03/21/2012 | CN202171616U 光伏阵列汇流测控装置 PV array combiner and Monitoring Equipment |
| 03/21/2012 | CN202171615U 外置式太阳能光伏组件状态实时监测模块 External solar PV status in real-time monitoring module |
| 03/21/2012 | CN202171614U 飞机闪电分区缩比模型试验出入点统计和电流测量用装置 Lightning district scale model aircraft test access point statistics and current measurement device |