| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
|---|
| 02/12/2014 | CN102074766B Battery pack and method of sensing voltage of battery pack |
| 02/11/2014 | US8649935 Battery system for vehicle, on-vehicle battery module, and cell controller |
| 02/11/2014 | US8648623 High side current sense amplifier |
| 02/11/2014 | US8648606 Ground monitor |
| 02/11/2014 | US8648588 RF detector with crest factor measurement |
| 02/11/2014 | US8648560 Electric motor control apparatus |
| 02/06/2014 | WO2014021957A2 An imbedded chip for battery applications |
| 02/06/2014 | WO2014019834A1 Twelve-pulse autotransformer rectifier units |
| 02/06/2014 | WO2014019061A1 Measuring instrument for detection of electrical properties in a liquid |
| 02/06/2014 | US20140036559 Power supply monitoring circuit, ac/dc conversion apparatus and control method of power supply monitoring circuit |
| 02/06/2014 | US20140035559 Transient recovery voltage measuring device, transient recovery voltage measuring method, and transient recovery voltage measuring program |
| 02/06/2014 | US20140035558 Sensor device and sensor interface |
| 02/06/2014 | US20140035557 Non-contact, hand-held voltage detector |
| 02/06/2014 | DE102013107567A1 Apparatus e.g. digital circuit analyzer for measuring alternating current (AC) voltage and AC current or AC measured variables in conductor, determines integrator signal using Rogowski coil signal and current signal |
| 02/06/2014 | DE102012213802A1 Magnetic module for measuring magnetic flux generated by current flow in electrical conductor, has magnetic core made of soft magnetic material, which is wound in sections with multiple turns, through which electrical conductor is passed |
| 02/06/2014 | DE102012107021A1 Device for measuring alternating current in conductor or measured values derived from conductor, comprises phase locked loop arranged in voltage channel, which determines network periods and transfers network periods to integrator unit |
| 02/05/2014 | EP2693597A1 Voltage monitoring module and voltage monitoring system using same |
| 02/05/2014 | EP2693578A1 System for measuring electric consumption of modular devices in a cabinet |
| 02/05/2014 | EP2693227A2 System for detecting an impedance variation in a neutral conductor, transformer station including such a system and method for detecting an impedance variation in a neutral conductor with such a system |
| 02/05/2014 | EP2691784A1 Device for measuring a supply voltage in electric vehicles |
| 02/05/2014 | EP2691783A1 Apparatus for current measurement |
| 02/05/2014 | EP2691782A1 Current sensor |
| 02/05/2014 | EP2691781A1 Method and device for measuring voltage in a three-phase power network and external ns-protection |
| 02/05/2014 | CN203423425U Photoelectric-coupling-type high-voltage insulation rod capable of measuring load current |
| 02/05/2014 | CN203422465U Portable voltage and current detection device for current transformer |
| 02/05/2014 | CN203422437U Pincer-like live-line tester for leakage current of zinc oxide arrester |
| 02/05/2014 | CN203422420U Mutual inductor current sampling circuit of smart electric meter |
| 02/05/2014 | CN203422419U Electrified tester for zinc oxide lightning arrester |
| 02/05/2014 | CN203422418U Bias detection device for photovoltaic grid-connected inverter |
| 02/05/2014 | CN203422417U Voltmeter provided with protective device in cement production line |
| 02/05/2014 | CN203422416U High-end current detection circuit |
| 02/05/2014 | CN203422415U Armature rotor leakage current detection device |
| 02/05/2014 | CN203422414U Insulation monitoring and wireless temperature measuring device |
| 02/05/2014 | CN203422411U Remote-control multifunctional electroscope |
| 02/05/2014 | CN103562738A Voltage measurement device, voltage measurement system and voltage measurement method |
| 02/05/2014 | CN103560568A Series battery pack and single terminal voltage detection method of series battery pack |
| 02/05/2014 | CN103560509A Voltage sag detection device based on wavelet analysis and control method of the device |
| 02/05/2014 | CN103559856A Display panel and system and method for identifying factory source of display panel |
| 02/05/2014 | CN103558535A Measuring device of discharge current low frequency oscillation of Hall electric thruster under in-orbit operation state |
| 02/05/2014 | CN103558452A Current detecting circuit for overload protection and overcurrent protection of brushless direct current motor |
| 02/05/2014 | CN103558451A Control device of transformer clamping piece multi-point grounding currents through online monitoring of double current transformers |
| 02/05/2014 | CN103558450A On-line monitoring device of three mutual inductors of grounding current of clamp of transformer |
| 02/05/2014 | CN103558449A On-line monitoring device of double mutual inductors of grounding current of clamp of transformer |
| 02/05/2014 | CN103558448A Multi-channel lightning current monitoring device for electric transmission line |
| 02/05/2014 | CN103558447A Zero-voltage control circuit for small signals |
| 02/05/2014 | CN103558446A Overvoltage on-line monitoring system |
| 02/05/2014 | CN103558445A Current detection circuit and measuring device |
| 02/05/2014 | CN103558444A High-voltage silicon stack reverse current tester |
| 02/05/2014 | CN103558443A Electric current transducer |
| 02/05/2014 | CN103558442A Current and voltage data isolation rough collecting device of power transmission line |
| 02/05/2014 | CN103558441A Noise removing method for contact net insulator leaked currents |
| 02/05/2014 | CN103558440A Intelligent electronic type voltage transformer |
| 02/05/2014 | CN103558439A 电流检测电路 A current detecting circuit |
| 02/05/2014 | CN103558438A System and method for reducing frequency of null drift of reflective optical fiber amperemeter |
| 02/05/2014 | CN102662099B Safety monitor for braking resistor of track locomotive |
| 02/05/2014 | CN102520277B Method and system for detecting supercapacitor of variable pitch system of wind driven generator |
| 02/05/2014 | CN102331522B Isolated voltage acquisition circuit for light transmission equipment |
| 02/05/2014 | CN102175936B Unrestrictive expected operation life assessment method for distribution network lightning arrester under given confidence level |
| 02/05/2014 | CN102124622B Fault-current detection device |
| 02/04/2014 | US8645089 Information processing device and information processing method |
| 02/04/2014 | US8643358 Oscillator |
| 02/02/2014 | CA2822734A1 Non-contact, hand-held voltage detector |
| 01/31/2014 | DE202013105893U1 Platine zum Anschluss eines Gleichstromgenerators Board for connection of a direct current generator |
| 01/30/2014 | WO2014018791A1 Method and apparatus for temperature adjusted control of batfet current sensing |
| 01/30/2014 | WO2014017240A1 Sensor device |
| 01/30/2014 | WO2014015357A1 A method of determining a characteristic of a power transformer and a system therefor |
| 01/30/2014 | US20140032144 Low-voltage distribution system and method for operating the same |
| 01/30/2014 | US20140032143 System frequency measurement method, synchrophasor measurement method and device thereof |
| 01/30/2014 | US20140032142 Methods and systems for determining vascular bodily lumen information and guiding medical devices |
| 01/30/2014 | US20140028303 Device for measuring the direct component of alternating current |
| 01/30/2014 | US20140028290 Circuits and Techniques for Adjusting a Sensitivity of a Closed-Loop Current Sensor |
| 01/30/2014 | US20140028288 Status Monitoring Cables for Generators |
| 01/30/2014 | US20140028287 Current transformer |
| 01/30/2014 | US20140028282 Wireless Voltage Reference Broadcast In A Distributed Energy Metering System |
| 01/30/2014 | US20140028281 System and Device for Measuring Voltage in a Conductor |
| 01/30/2014 | DE102012014969A1 Device for measuring current in e.g. motor car, has separate power supply having feeding terminals that are connected with electric line, so that current in electric line is measured with signal current from separate power supply |
| 01/30/2014 | DE102010045973B4 Vorrichtung zur Überwachung von Strömen Apparatus for monitoring currents |
| 01/30/2014 | DE102004049906B4 Diagnoseeinrichtung und Verfahren zur Erkennung eines Kurzschlusses einer Leuchtdiode Diagnostic means and methods for the detection of a short circuit of a light emitting diode |
| 01/29/2014 | EP2690451A1 System frequency measurement method, synchrophasor measurement method and device thereof |
| 01/29/2014 | CN203414947U FPGA (Field Programmable Gate Array)-based multi-channel high-speed voltage and resistance isolating acquisition card |
| 01/29/2014 | CN203414546U Cabin pressure outflow valve test box |
| 01/29/2014 | CN203414521U Power distribution network internal overvoltage pre-warning system |
| 01/29/2014 | CN203414520U Power transmission line arrester leakage current on-line monitoring system |
| 01/29/2014 | CN203414519U Locomotive-used storage battery voltage detection device |
| 01/29/2014 | CN203414518U Automatic acquisition device for current parameters of X-ray machine |
| 01/29/2014 | CN203414517U Mobile phone screen test instrument |
| 01/29/2014 | CN203414516U Drawer type direct current screen bus current sampling device |
| 01/29/2014 | CN203414515U Novel high-voltage electrification display device |
| 01/29/2014 | CN203414514U Electric power test pen |
| 01/29/2014 | CN203414513U Induction-type maintenance electroscope |
| 01/29/2014 | CN203414512U Power battery sampling system |
| 01/29/2014 | CN203414511U 电流测量电路 Current measuring circuit |
| 01/29/2014 | CN203414510U Digital DC monitor |
| 01/29/2014 | CN203414187U A system for measuring the temperature and the current of devices on an integrated circuit |
| 01/29/2014 | CN203411619U Online measurement and display device for unit cell voltage of ionic exchange membrane cell |
| 01/29/2014 | CN103547936A Method for estimation state of health for ESS |
| 01/29/2014 | CN103546048A 电流采样方法 Current sampling methods |
| 01/29/2014 | CN103545882A Battery in-situ test method and device and battery charge system |
| 01/29/2014 | CN103545789A Fuzzy recognition method of magnetizing inrush currents in transformer differential protection |
| 01/29/2014 | CN103545788A System for conducting accurate current control by means of digital-display ampere meter |