| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 03/23/2011 | CN201773149U Real-time online detection device for series voltage source |
| 03/23/2011 | CN201773148U Multi-loop alternating-current acquisition unit |
| 03/23/2011 | CN201773147U Circuit for calculating virtual value of commercial electricity voltage |
| 03/23/2011 | CN201773146U Mains supply zero cross detection circuit |
| 03/23/2011 | CN201773145U Current detecting device with alarm protection |
| 03/23/2011 | CN201773144U Auto-disengagement detection device of overvoltage protector |
| 03/23/2011 | CN201773143U High-voltage live displaying and testing device |
| 03/23/2011 | CN201773142U Structure for on-line monitoring electrifying state of high-voltage line, bus bar and main transformer |
| 03/23/2011 | CN201773141U LCD induction type high-voltage electrified display device |
| 03/23/2011 | CN201773140U Alternating current and direct current hybrid electric field intensity measuring device |
| 03/23/2011 | CN201773139U Isolated current sampling device of electromagnetic oven |
| 03/23/2011 | CN201773138U Infrared telemetering multifunctional DC micro-ammeter |
| 03/23/2011 | CN201773137U Device for indicating working conditions of tunnel drying oven heaters |
| 03/23/2011 | CN201773136U Hook type electric meter structure |
| 03/23/2011 | CN201773135U Jumper resistor with layered insulation structure |
| 03/23/2011 | CN201773134U Device for measuring current of high-voltage direct current power transmission thyristor damping circuit |
| 03/23/2011 | CN201773133U Output current detection device of inverter welder |
| 03/23/2011 | CN201773121U Novel full-sealing high voltage microampere meter shell |
| 03/23/2011 | CN201773113U 绝缘帽 Insulating cap |
| 03/23/2011 | CN201771740U Fan and fault detection circuit thereof |
| 03/23/2011 | CN1908680B Surging current detecting circuit |
| 03/23/2011 | CN101989745A Method for early detection and anticipatory control of consumer-end load shedding in an electrical grid, and apparatus for carrying out the method |
| 03/23/2011 | CN101989722A Power socket with leakage current measurement protective device |
| 03/23/2011 | CN101989721A Power socket with leakage current measurement protector |
| 03/23/2011 | CN101988953A Method and system for testing electric motors |
| 03/23/2011 | CN101988951A Method of inspecting motor condition and device for inspecting motor characteristics |
| 03/23/2011 | CN101988942A Electric arc detection circuit |
| 03/23/2011 | CN101988939A External power supply device and power supply method thereof |
| 03/23/2011 | CN101988934A Undervoltage detection and alarm circuit |
| 03/23/2011 | CN101493482B Single-phase harmonic current detecting method |
| 03/23/2011 | CN101458273B Sensor for measuring very fast transient overvoltage in GIS |
| 03/23/2011 | CN101447668B Tandem resonant type fault current limit device |
| 03/23/2011 | CN101308171B PCI bus electric energy quality transient affair collection card and its collection method |
| 03/22/2011 | US7911235 Logarithmic detectors |
| 03/17/2011 | WO2011031540A2 High linear fast peak detector |
| 03/17/2011 | WO2011030359A1 A transducer for measuring variable currents |
| 03/17/2011 | WO2010151835A3 Power distribution apparatus with input and output power sensing and method of use |
| 03/17/2011 | WO2010138917A3 Short-circuit protection for switched output stages |
| 03/17/2011 | WO2010135379A3 Component rfid tag with non-volatile display of component use and scheme for low power strain measurement |
| 03/17/2011 | US20110062942 Measuring device with a measuring- and operating electronics for monitoring a measurement signal |
| 03/17/2011 | DE202011001186U1 Messgerät mit nicht ununterbrochener Stromversorgung Meter with no uninterrupted power supply |
| 03/17/2011 | DE102009040284A1 Cosinus(Φ)-Korrektur bei strom- oder leistungsgeregelten Betriebsgeräten für Leuchtmittel Cos (Φ) correction in power or power-regulated ballasts for lamps |
| 03/16/2011 | EP2295994A1 Device and method for measuring the power consumed by a power train of a railway vehicle |
| 03/16/2011 | EP2294433A2 Method for enabling monitoring of power consumption |
| 03/16/2011 | EP1922554B1 Current measurement circuit and method of diagnosing faults in same |
| 03/16/2011 | CN201766513U Switch power with zero-crossing detection of pulper |
| 03/16/2011 | CN201766377U Nickel-metal hydride battery monitoring system of electromobile |
| 03/16/2011 | CN201766343U Integrated three-phase high-tension current transformer with voltage signal acquiring function |
| 03/16/2011 | CN201766144U Storage battery for vehicle and electric meter of storage battery |
| 03/16/2011 | CN201765677U Management equipment of miner's lamps with wireless communication |
| 03/16/2011 | CN201765302U Device for detecting performances of Hall integrated circuit |
| 03/16/2011 | CN201765287U Isolated high-voltage leakage current measuring device |
| 03/16/2011 | CN201765282U Super test pencil |
| 03/16/2011 | CN201765271U Signal conditioner for power grid signal acquisition |
| 03/16/2011 | CN201765270U Zero-crossing detection circuit of electric meter system |
| 03/16/2011 | CN201765269U Passive presence indicating device |
| 03/16/2011 | CN201765268U Semiconductor device heat-dissipation performance test device |
| 03/16/2011 | CN201765267U Induction voltage and induction current tester for transmission line |
| 03/16/2011 | CN201765266U Current sampling circuit of motor protecting device |
| 03/16/2011 | CN201765265U Detector for power panel |
| 03/16/2011 | CN201765264U Voltage measuring circuit of 8-string lithium battery pack |
| 03/16/2011 | CN101986428A Power semiconductor component, power semiconductor assembly including the same and a method for operating the power semiconductor assembly |
| 03/16/2011 | CN101986168A Insulating property monitoring device and method of high-voltage switching apparatus |
| 03/16/2011 | CN101986165A Method for monitoring and analyzing leakage current of contaminated insulator |
| 03/16/2011 | CN101986164A Method for extracting resistive current of metal oxide arrester (MOA) |
| 03/16/2011 | CN101387658B Detection circuit for auto detecting avalanche magnitude of voltage of avalanche photodiode and method |
| 03/16/2011 | CN101221223B Single slice battery essential resistance and voltage on-line testing system for fuel cell pile |
| 03/15/2011 | US7908101 Integrated circuit and method for monitoring and controlling power and for detecting open load state |
| 03/15/2011 | US7906992 High speed latch comparators |
| 03/15/2011 | US7906956 Polarity tester for an electronic communication port |
| 03/15/2011 | US7906940 Circuit and method of operation for an electrical power supply |
| 03/10/2011 | WO2011029018A2 Voltage conversion and/or electrical measurements from 400 volts upwards |
| 03/10/2011 | WO2011027984A2 Sensor for measuring electrical characteristics |
| 03/10/2011 | WO2011026424A1 Control method and apparatus for auxiliary electric heating of air conditioner |
| 03/10/2011 | US20110058628 Antenna sense circuit and digital radio receiver thereof |
| 03/10/2011 | US20110057644 Electronic motor vehicle control system with current measuring circuit |
| 03/10/2011 | US20110056926 Microfluidic devices with integrated resistive heater electrodes including systems and methods for controlling and measuring the temperatures of such heater electrodes |
| 03/10/2011 | DE102010037235A1 Elektrische Strommessvorrichtung mit verbesserter Einbaubarkeit Electrical current measuring device with improved mounting designs |
| 03/10/2011 | DE102010035803A1 System und Verfahren zum virtuellen simultanen Abtasten einem einzelnen ADC Kern System and method for virtual simultaneous scanning of a single ADC core |
| 03/10/2011 | DE102009034004A1 Verfahren zum Betreiben eines Fahrzeugs und Steuereinrichtung für ein Fahrzeug A method of operating a vehicle, and control device for a vehicle |
| 03/09/2011 | EP2293085A1 Measuring device |
| 03/09/2011 | EP2291708A1 Tunable bragg stack |
| 03/09/2011 | EP2291670A2 Cell diagnostic system and method |
| 03/09/2011 | EP2291665A1 Current sensor array for measuring currents in a primary conductor |
| 03/09/2011 | EP2291664A2 Opto-isolator multi-voltage detection circuit |
| 03/09/2011 | CN201757774U Testing structure for earthing on/off of collector plate |
| 03/09/2011 | CN201757772U Power quality recording analyzing system |
| 03/09/2011 | CN201757765U Micro galvanometer for photocurrent detection |
| 03/09/2011 | CN201757764U Simple general type full wave zero-crossing detection circuit |
| 03/09/2011 | CN201757763U Sound-report neon-electroscope |
| 03/09/2011 | CN201757762U 断路器跳合闸电压测试仪 Breaker tripping voltage tester |
| 03/09/2011 | CN201756907U Electric shock caution ladder |
| 03/09/2011 | CN1963539B Optical current transformer and method for measuring current with the same |
| 03/09/2011 | CN101515000B Method and device for improving measuring precision of current magnitude |
| 03/09/2011 | CN101470142B Overcurrent detection circuit, decompression converter and overcurrent detection method |
| 03/09/2011 | CN101072939B Electrical circuit for controlling a piezoelectric element, particularly of a fuel injection system of a motor vehicle |
| 03/08/2011 | US7904342 Specifying products over a network |
| 03/08/2011 | US7904265 Circuits and methods for calibrating a delay element |
| 03/08/2011 | US7904260 Integrated circuit and method for classification of electrical devices and short circuit protection |
| 03/08/2011 | US7902811 Current sensor |