| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 07/20/2011 | CN102128970A Wide-load range, high-precision and low-power consumption current detection circuit |
| 07/20/2011 | CN102128969A Method for testing input voltage of PFC (Power Factor Correction) circuit with high anti-interference ability |
| 07/20/2011 | CN102128968A Low voltage differential signal testing system and method thereof |
| 07/20/2011 | CN102128716A Device and method for detecting opening/closing characteristic of film micro valve in microchannel |
| 07/20/2011 | CN101738536B Device and method for quantizing current measurement value of permanent magnet synchronous motor |
| 07/20/2011 | CN101661069B Dynamic process real-time estimation method of weak observable non-PMU measuring point independent of state matrix |
| 07/20/2011 | CN101526403B Measurement device for temperature and current of high voltage line |
| 07/20/2011 | CN101408562B Electrostatic high voltage rapid tester |
| 07/20/2011 | CN101285873B Estimation method, device and electronic system |
| 07/20/2011 | CN101256206B Method for measuring and recording mutation current of neutral point earthing resistor |
| 07/20/2011 | CN101025437B Circuit for detecting remaining battery capacity |
| 07/19/2011 | US7982452 Detection of a load state of a half-bridge |
| 07/14/2011 | WO2011029018A3 Voltage conversion and/or electrical measurements from 400 volts upwards |
| 07/14/2011 | US20110172938 Electrical Power System Sensor Devices, Electrical Power System Monitoring Methods, And Electrical Power System Monitoring Systems |
| 07/14/2011 | US20110169499 High speed measurement of random variation/yield in integrated circuit device testing |
| 07/14/2011 | US20110169479 Method and apparatus for measuring AC voltages |
| 07/14/2011 | US20110169477 Multi-scanner device having a detachable outlet tester |
| 07/14/2011 | US20110167829 Fuel control arrangements |
| 07/14/2011 | DE102010006227A1 Stromsensoreinheit und Verfahren zur Signal- und/oder Datenübertragung Power sensor unit and method for signaling and / or data transmission |
| 07/14/2011 | DE102010000015A1 Electronic circuit for electrical energy storage system for e.g. hybrid vehicle, performs single-pole galvanic disconnection of partial cell by coupling capacitor unit into energy store-side region and measuring device-side region |
| 07/13/2011 | EP2343768A2 Battery system and method for detecting current restriction state in a battery system |
| 07/13/2011 | EP2343558A2 Battery system and method for detecting internal short circuit in battery system |
| 07/13/2011 | EP2343444A2 Fuel control arrangements for a gas turbine engine |
| 07/13/2011 | CN201898249U State-visibility power socket |
| 07/13/2011 | CN201897625U Intelligent networked probe leakage detection circuit |
| 07/13/2011 | CN201897615U Online comprehensive tester for track frequency-shifting signal |
| 07/13/2011 | CN201897613U Alternating-current voltage acquisition circuit for mains supply |
| 07/13/2011 | CN201897612U Device for measuring voltages of two battery packs |
| 07/13/2011 | CN201897611U Heavy-DC (direct current) indirect measuring device based on AC (alternating current) detection |
| 07/13/2011 | CN201897586U P-type/N-type semiconductor particle tester |
| 07/13/2011 | CN102124622A Fault-current detection device |
| 07/13/2011 | CN102124405A Tunable Bragg stack |
| 07/13/2011 | CN102124355A True root-mean-square detection with a sub-threshold transistor bridge circuit |
| 07/13/2011 | CN102124354A Device and method for estimating battery resistance characteristics using battery voltage behaviour |
| 07/13/2011 | CN102122810A Current diagnosing device and method for monitoring state of current transformer |
| 07/13/2011 | CN102122139A Distribution automation terminal and AC (Alternating Current) sampling channel expansion method thereof |
| 07/13/2011 | CN102121972A Circuits and methods for measuring cell voltages in battery packs |
| 07/13/2011 | CN102121967A Diagnostor for predicting operation state of three-phase rotating electromechanical equipment in time |
| 07/13/2011 | CN102121959A Intelligent detection circuit for electric leakage of network probe |
| 07/13/2011 | CN102121958A Device and method for monitoring neutral point earthing of secondary winding of electric power current and voltage mutual inductor |
| 07/13/2011 | CN102121955A Circuit detection device |
| 07/13/2011 | CN102121950A Method for zero crossing detection of adaptive alternating-current voltage |
| 07/13/2011 | CN102121949A Lightning stroke time acquisition system of electronic lightning arrester |
| 07/13/2011 | CN102121948A System for measuring transient shell voltage of gas insulated switchgear |
| 07/13/2011 | CN102121947A Streetlight terminal voltage collecting system |
| 07/13/2011 | CN101661055B Current alarm method and current alarm device of active circuit |
| 07/13/2011 | CN101316079B DC flux sampling method and sample circuit for inversion system output signal |
| 07/13/2011 | CN101226219B Voltage detection circuit in an integrated circuit and method of generating a trigger flag signal |
| 07/12/2011 | US7979223 Systems and methods for power hardware in the loop testing |
| 07/07/2011 | WO2011079752A1 Method, device and system for detecting medical equipment |
| 07/07/2011 | WO2011079664A1 System and method for detecting magneto-optic with optical fiber |
| 07/07/2011 | WO2011079663A1 Direct current magneto-optic detecting system and method for optical fiber |
| 07/07/2011 | WO2011027984A3 Sensor for measuring electrical characteristics |
| 07/07/2011 | WO2011021887A3 Method for detecting resistive leakage current of nonlinear element arrester using differential method and apparatus therefor |
| 07/07/2011 | US20110166716 Integrated and optimized distributed generation and interconnect system controller |
| 07/07/2011 | US20110163734 Arrangement for measuring at least one value of a voltage applied to an electronic component |
| 07/07/2011 | DE102010000679A1 Verfahren zur Erkennung der Startfähigkeit Method for detecting the startability |
| 07/06/2011 | EP2341357A2 Apparatus and method for monitoring voltages of cells of battery pack |
| 07/06/2011 | EP2340606A1 Control device and method for controlling an electronically commutated motor, and motor |
| 07/06/2011 | EP2340592A1 Overhead communicating device |
| 07/06/2011 | EP2340439A1 Method for detecting the consumption of electrical energy |
| 07/06/2011 | EP2047284B1 Electric potential sensor |
| 07/06/2011 | CN201893606U Distribution transformer monitoring management terminal |
| 07/06/2011 | CN201893537U Load monitoring acousto-optic alarming device |
| 07/06/2011 | CN201892716U Insulation tester for bus of direct-current power source cabinet |
| 07/06/2011 | CN201892712U Automatic test device for lithium battery circuit protection boards |
| 07/06/2011 | CN201892710U Monitoring system of power transformer |
| 07/06/2011 | CN201892704U Electrical energy metering device for digital home |
| 07/06/2011 | CN201892703U Intelligent power grid parameter sensor |
| 07/06/2011 | CN201892702U Zero cross detection circuit |
| 07/06/2011 | CN201892701U Test pencil with function of time |
| 07/06/2011 | CN201892700U Secondary side electricity-testing and nuclear-phase handcart of central switch cabinet |
| 07/06/2011 | CN201892699U Direct-current capacitor degradation alarm circuit |
| 07/06/2011 | CN201892698U Voltage sensor |
| 07/06/2011 | CN201891895U Driving card of injection nozzle coil |
| 07/06/2011 | CN102118881A Monitoring device of overhead transmission lines and monitoring method |
| 07/06/2011 | CN102118066A On-line arrester monitoring device with self-energy-taking function |
| 07/06/2011 | CN102118014A Adaptive load characteristic curve-based load over-current protection method |
| 07/06/2011 | CN102116845A Segment display method for battery capacity of electronic equipment |
| 07/06/2011 | CN102116826A System and method for measuring voltage of pin of electronic component |
| 07/06/2011 | CN102116816A Device and method for monitoring grid-connected running of distributed power supply |
| 07/06/2011 | CN102116814A Multifunction integrated electronic measurement method and device |
| 07/06/2011 | CN102116792A System and method for testing chip voltage signal |
| 07/06/2011 | CN102116791A Method and device for recording lightening overvoltage |
| 07/06/2011 | CN102116790A Improved direct current monitoring device |
| 07/06/2011 | CN102116789A Ferroelectric domain movement speed-adjustable pulse voltage measurement method |
| 07/06/2011 | CN102116788A Method for testing electric arc under high-speed electric sliding contact state |
| 07/06/2011 | CN102116787A Device for testing electric arc in high-speed electric sliding contact state |
| 07/06/2011 | CN102116786A Neutral point direct current online measurement device for transformer |
| 07/06/2011 | CN102116785A Device and method for analyzing static transient voltage drop |
| 07/06/2011 | CN102116689A Device for testing comprehensive mechanical and electrical properties of ionic polymer-metal composite (IPMC) |
| 07/06/2011 | CN102115874A Device and method for measuring density distribution and angle distribution of beams and beam steering method |
| 07/06/2011 | CN101776432B Robot gripper multi-functional test device |
| 07/06/2011 | CN101702097B Energy-saving power supply system |
| 07/06/2011 | CN101666824B High-side current detection circuit |
| 07/06/2011 | CN101447755B Controller of multi-phase electric motor |
| 07/06/2011 | CN101435844B Fan failure detection circuit and detection method thereof |
| 07/06/2011 | CN101408558B Minitype optical DC/AC electric field sensor |
| 07/06/2011 | CN101320080B Apparatuses and methods for detecting power source |
| 07/06/2011 | CN101297202B Method for generating data group, on-the-spot apparatus and system for collecting electric energy quality of electric power supply system |