| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 03/21/2013 | DE102012211701A1 Messwiderstand für Stromsensor und Stromsensoreinheit Measuring resistor for current sensor and the current sensor unit |
| 03/21/2013 | DE102011113828A1 Verfahren zur Ermittlung des Batterieladezustands einer Batterie in einem batteriebetriebenen Gerät und Verbrauchserfassungsgerät Method for determining the battery state of charge of a battery in a battery operated device and metering device |
| 03/21/2013 | DE102011113336A1 Arrangement for monitoring system for inductive energy transfer from stationary portion to handset, has evaluation unit that generates output signal based on primary winding power and signal received from secondary winding output |
| 03/21/2013 | DE102011083068A1 Verfahren zum Bestimmen eines Werts eines Stroms A method for determining a value of a current |
| 03/21/2013 | DE102011082937A1 Batteriemanagementsystem, Batterie, Kraftfahrzeug mit Batteriemanagementsystem sowie Verfahren zur Überwachung einer Batterie Battery management system, battery, automotive battery management system and method for monitoring a battery |
| 03/20/2013 | CN202818495U Wireless video inspection device for high-voltage equipment |
| 03/20/2013 | CN202818118U Power controller for polycrystalline silicon reduction furnace with thirty-six pairs of bars |
| 03/20/2013 | CN202818098U Switch converter circuit |
| 03/20/2013 | CN202817208U Acousto-optic indication discharging rod |
| 03/20/2013 | CN202815578U Intelligent fault detection circuit for a power distribution switch control loop |
| 03/20/2013 | CN202815147U System for determining fault branch in which alternating current is connected in direct current system |
| 03/20/2013 | CN202815139U Digital insulation monitoring sensor |
| 03/20/2013 | CN202815113U Judgement module for power supply state |
| 03/20/2013 | CN202815079U Tong-type ammeter |
| 03/20/2013 | CN202815078U Current measuring device |
| 03/20/2013 | CN202815077U Multi-channel voltage current tester |
| 03/20/2013 | CN202815076U Safety control system for generator |
| 03/20/2013 | CN202815075U Intelligent voltage detection recorder |
| 03/20/2013 | CN202815074U Voltage sampling circuit of lithium battery |
| 03/20/2013 | CN202815073U Phase voltage monitoring device |
| 03/20/2013 | CN202815072U 蓄电池欠压指示器 Battery-voltage indicator |
| 03/20/2013 | CN202815071U High-voltage live detection indication system |
| 03/20/2013 | CN202815070U Multifunctional LED test pencil |
| 03/20/2013 | CN202815069U Low voltage electroscope |
| 03/20/2013 | CN202815068U Long-distance safe electroscope used for high-voltage transmission line |
| 03/20/2013 | CN202815067U Eddy current induction type oil well on-off electric remote alarm device |
| 03/20/2013 | CN202815066U Voltage peak detecting circuit |
| 03/20/2013 | CN202815065U Induction heater earth current on-line detecting device |
| 03/20/2013 | CN202815064U Sensor for detecting voltage of solar cell assembly |
| 03/20/2013 | CN202815063U Switch current state monitoring system |
| 03/20/2013 | CN202815062U Current signal sampling structure |
| 03/20/2013 | CN202815061U Photovoltaic power station bus box current measuring circuit |
| 03/20/2013 | CN202815060U Current sensor for high voltage line |
| 03/20/2013 | CN202815059U On-line current detection apparatus of high-voltage switch energy storage motor |
| 03/20/2013 | CN202815058U 电流传感器 Current Sensors |
| 03/20/2013 | CN202815057U Multipath current measuring device for dry type air reactor |
| 03/20/2013 | CN202815056U Mains electricity and power generation automatic protection device |
| 03/20/2013 | CN202815029U Voltage collecting module connecting plate for aviation storage battery |
| 03/20/2013 | CN202814903U Oxygen pump limited current measurement circuit of nitrogen oxygen sensor |
| 03/20/2013 | CN202814597U High-voltage power transmission line temperature measuring system |
| 03/20/2013 | CN202813169U Lighting device for night use of insulating rod and electroscope |
| 03/20/2013 | CN202805642U Corona unit for film blowing machine |
| 03/20/2013 | CN102983545A Direct current (DC) overcurrent protection device |
| 03/20/2013 | CN102981124A Spot test method and test device for fuel cell stack membrane electrode conditions |
| 03/20/2013 | CN102981098A Wiring failure monitoring system for internal key of IGBT module and operating method thereof |
| 03/20/2013 | CN102981091A Method for predicting domestic power supply circuit fault |
| 03/20/2013 | CN102981082A Wind turbine flickering simulation testing system and method based on virtual power grid simulation |
| 03/20/2013 | CN102981079A Response waveform detection device and method for straightly hanging type reactive power generation device |
| 03/20/2013 | CN102981078A Response waveform detecting device and method for dynamic reactive-power generating device |
| 03/20/2013 | CN102981071A Electrical power system major parameter monitoring method supplied for electric network management automation system |
| 03/20/2013 | CN102981046A Manganese-copper sampler capable of resisting power frequency interference |
| 03/20/2013 | CN102981044A Testing method for saturation current of transformer |
| 03/20/2013 | CN102981043A Wireless digital monitor of electric power transmission and distribution line |
| 03/20/2013 | CN102981042A Three-phase current detection circuit for frequency converter |
| 03/20/2013 | CN102981041A Battery cell monitoring system |
| 03/20/2013 | CN102981040A A patch-clamp amplifier based on MCU |
| 03/20/2013 | CN102981039A High-voltage transmission line electrification indicator based on field intensity method |
| 03/20/2013 | CN102981038A Simplified sine wave sampling circuit |
| 03/20/2013 | CN102981037A Monitoring system of service conditions of electrical appliances and application method of monitoring system |
| 03/20/2013 | CN102981036A Testing method of multi-output power equipment |
| 03/20/2013 | CN102981035A Current clamp and power quality monitoring device |
| 03/20/2013 | CN102981034A Measuring meter for measuring current and voltage values |
| 03/20/2013 | CN102981033A Novel sensing system of DC tractive power supply system |
| 03/20/2013 | CN102981032A Detection circuit for whole inductive current waveform and method for detecting whole inductive current waveform |
| 03/20/2013 | CN102981024A Testing conversion plug seat capable of detecting current and ground resistance and testing method |
| 03/20/2013 | CN102004223B On-line checking method for breaking current of breaker |
| 03/20/2013 | CN101714818B Power supply converter for regulating current output of switch type regulator and method thereofor |
| 03/20/2013 | CN101581602B Ambient light detection device |
| 03/20/2013 | CN101446601B Method for determining a voltage level across an electric circuit of a powertrain |
| 03/20/2013 | CN101424709B Electric voltage disturbance detecting method and device |
| 03/20/2013 | CN101363879B Electrical level polar conversion device, electric voltage sampling apparatus and electric voltage sampling method |
| 03/20/2013 | CN101256204B Current detecting device and calibration method |
| 03/20/2013 | CA2790462A1 Indirect non-contact high voltage measurement on electrical power line |
| 03/19/2013 | US8401728 Battery system for vehicle, on-vehicle battery module, and cell controller |
| 03/19/2013 | US8400140 Sensitivity sensor system |
| 03/14/2013 | WO2013035948A1 Apparatus and method for diagnosing states of permanent magnet synchronous machines, and recording medium having a program recorded thereon for executing a diagnosis method |
| 03/14/2013 | WO2013035224A1 Distributed power generation system and method for operating same |
| 03/14/2013 | WO2013034661A1 Current sensor and printed circuit board for this sensor |
| 03/14/2013 | WO2013034418A1 Measuring device comprising a shunt and an electric counter comprising such a measuring device |
| 03/14/2013 | WO2013010083A3 Failure detection system for photovoltaic array |
| 03/14/2013 | WO2012162091A3 Method and apparatus pertaining to automatic electrical-fault detection |
| 03/14/2013 | WO2012160233A3 Charger and method for measuring charging current for electric vehicles |
| 03/14/2013 | WO2012116224A8 Synthesized current sense resistor for wide current sense range |
| 03/14/2013 | US20130066575 Voltage measuring circuit and method |
| 03/14/2013 | US20130063166 Low power high resolution sensor interface |
| 03/14/2013 | US20130063131 Sensor devices and methods for use in sensing current through a conductor |
| 03/14/2013 | US20130063129 Sensor devices and methods for use in sensing current through a conductor |
| 03/14/2013 | US20130063128 Conductor to which current detection head is fixed, and current detection head used in manufacture of same |
| 03/14/2013 | US20130063126 Fan detecting circuit |
| 03/14/2013 | US20130063124 Measurement card |
| 03/14/2013 | DE102012215947A1 Verfahren zum Messen eines Ladestandes einer elektrischen Energiequelle A method for measuring a charging state of an electrical power source |
| 03/14/2013 | DE102012215302A1 Verfahren und System zur Verwendung mit einer Fahrzeugbatterie A method and system for use with a vehicle battery |
| 03/14/2013 | DE102012108516A1 Erfassungsvorrichtung für elektrische Leckage Detecting means for electrical leakage |
| 03/14/2013 | DE102011113472A1 Verfahren zum Erkennen einer Verbindungsstörung A method for detecting a connection failure |
| 03/14/2013 | DE102011113002A1 Differenzstromsensor Differential current sensor |
| 03/14/2013 | DE102011082554A1 Method for determination of earth leakage current in three-phase power supply network in e.g. house, involves determining fundamental oscillation component of earth leakage current by multiplication of portion of counter system with factor |
| 03/14/2013 | DE102004014728B4 Einheit zum Erfassen einer physikalischen Größe Unit for detecting a physical quantity |
| 03/13/2013 | EP2568753A1 Control processing method of energy-saving cell and base station |
| 03/13/2013 | EP2568301A1 Current sensor and printed circuit board for such a sensor |
| 03/13/2013 | CN202798627U Electronic switch for transient transmitting test |