| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 01/02/2013 | CN202649349U 800kV extra-high voltage DC power transmission engineering lightning arrester monitor |
| 01/02/2013 | CN202649342U Four-terminal capacitor detector |
| 01/02/2013 | CN202649334U Alternating current collector based on information system of photovoltaic power station |
| 01/02/2013 | CN202649300U Current detecting device |
| 01/02/2013 | CN202649299U Lithium ion battery voltage data detection device |
| 01/02/2013 | CN202649298U Zero-current detection circuit and voltage conversion circuit |
| 01/02/2013 | CN202649297U Counter for double remote transmission lightning arrester |
| 01/02/2013 | CN202649296U Speech warning circuit of DC power source |
| 01/02/2013 | CN202649295U Safety indicating device used for high-voltage power line knife switch |
| 01/02/2013 | CN202649294U Current detection circuit |
| 01/02/2013 | CN202649293U Arrester on-line detecting system |
| 01/02/2013 | CN202649292U Novel transmitter low-power over-current detection circuit device |
| 01/02/2013 | CN202649291U FCL circuit current monitoring and alarm simulation device |
| 01/02/2013 | CN202649290U Lithium battery protection board over-current value detection module |
| 01/02/2013 | CN202649289U Charge indicator capable of acquiring busbar voltage signal of hydroelectric generator |
| 01/02/2013 | CN202649288U A test pencil capable of lighting |
| 01/02/2013 | CN202649287U A voltage difference detector of common-ground devices |
| 01/02/2013 | CN202649286U Multifunctional electric power meter based on network |
| 01/02/2013 | CN202649285U Device for detecting live water washing leakage current, and live water washing system |
| 01/02/2013 | CN202649284U Experimental equipment supervising device based on RFID technology |
| 01/02/2013 | CN202649283U Fiber Bragg voltage raster voltage sensor based on Rogowski coil |
| 01/02/2013 | CN202649282U High-sensitivity electric current detector for leakage protection plug |
| 01/02/2013 | CN202649281U Current detection apparatus for end shield layer of transformer capacitive device |
| 01/02/2013 | CN202649279U Closed-loop optical fiber current transformer |
| 01/02/2013 | CN202649278U Multiple closed-loop optical fiber transducer with a number of analog-digital conversion units |
| 01/02/2013 | CN202648900U Leakage detection circuit of heating groove |
| 01/02/2013 | CN202643863U Aluminum electrolysis anode current distribution wireless measuring device |
| 01/02/2013 | CN102858049A Over-current protection sampling circuit, light-emitting diode (LED) drive circuit and LED lamp |
| 01/02/2013 | CN102856888A Feed overload protection device and device used for current monitoring |
| 01/02/2013 | CN102856794A Ion wind flow accelerator and current density testing device thereof |
| 01/02/2013 | CN102855794A Method for detecting electrochemical reaction in magnetic field |
| 01/02/2013 | CN102855086A Man-machine interactive system of mobile emergency lighting power supply |
| 01/02/2013 | CN102854435A High-temperature electric leakage testing system for diodes |
| 01/02/2013 | CN102854431A Method for online detecting leakage resistive current of lightning arrestor |
| 01/02/2013 | CN102854378A 电流测试电路 Current Test Circuit |
| 01/02/2013 | CN102854377A Circuit and method for converting voltage to pulse width |
| 01/02/2013 | CN102854376A Digital voltmeter and measuring method thereof |
| 01/02/2013 | CN102854375A High-speed voltage and current analog quantity acquisition system based on FPGA (field programmable gate array) |
| 01/02/2013 | CN102854374A Device and method for detecting direct-current voltage of power unit element |
| 01/02/2013 | CN102854373A PWM (Pulse-Width Modulation) three-level digital controller of zero-flux Hall large-current sensor |
| 01/02/2013 | CN102854372A High-voltage bus current detection device and battery management system |
| 01/02/2013 | CN102854371A Device for measuring torque of electric actuating mechanism based on current detection |
| 01/02/2013 | CN102854370A Device and method for detecting branch shunt current |
| 01/02/2013 | CN102854369A Voltage transient detection method, device and processor |
| 01/02/2013 | CN102854368A Manganin current sampling device resisting outside magnetic field interference |
| 01/02/2013 | CN102854367A Sensor used for detecting voltages of solar cell module |
| 01/02/2013 | CN102854366A Low current measuring device and low current measuring method in direct-current power distribution and consumption system |
| 01/02/2013 | CN102854365A Magnetic, acoustic and electric current measuring method and magnetic, acoustic and electric current measuring device |
| 01/02/2013 | CN102854364A Method for carrying out piecewise fitting on probability distribution of regional lightning current amplitudes based on SPSS (statistic package for social science) |
| 01/02/2013 | CN102854363A Measuring device and electric equipment unit comprising same |
| 01/02/2013 | CN102854362A Method of providing calibrating reference voltage and index synchronization sequence for cell voltage measurement system |
| 01/02/2013 | CN102854361A Frame sequence for cell voltage measurement system with low probability of natural occurrence |
| 01/02/2013 | CN102854359A 电流传感器 Current Sensors |
| 01/02/2013 | CN102854342A Installation shell of current metering device and current metering device assembly |
| 01/02/2013 | CN102104276B Adaptive dual-controller power supply used for vehicle |
| 01/02/2013 | CN102088204B Electronic device for switching power supply mode through detecting external power supply |
| 01/02/2013 | CN102033188B Real-time diagnostic method for open circuit fault of phase-shifted full bridge converter |
| 01/02/2013 | CN102004204B Method for detecting false solder of battery pack |
| 01/02/2013 | CN101995543B Electric control board testing platform with detection signal and power supply isolation function |
| 01/02/2013 | CN101865987B Capacitance sensor calibration system for measuring very fast transient overvoltage (VFTO) |
| 01/02/2013 | CN101728938B Sensor mount assemblies and sensor assemblies |
| 01/01/2013 | US8346496 Apparatus and method for multi-channel materials assaying |
| 01/01/2013 | US8346404 Determining a bus bar voltage |
| 01/01/2013 | US8344724 Non-intrusive monitoring of power and other parameters |
| 01/01/2013 | US8344722 Electric current measurement |
| 01/01/2013 | US8341973 Optimizer for single staged refrigeration systems |
| 12/27/2012 | WO2012176248A1 Power supply voltage detection circuit |
| 12/27/2012 | US20120330588 Battery Monitoring System |
| 12/27/2012 | US20120326703 Current measurement apparatus |
| 12/27/2012 | US20120326702 Electromagnetic wave resonator and its fabrication process as well as electromagnetic wave generator |
| 12/27/2012 | US20120326700 Apparatus and Methods for Time Domain Measurement of Oscillation Perturbations |
| 12/27/2012 | US20120326699 Galvanic isolation device and method |
| 12/27/2012 | DE102012007667A1 Measuring method for resistance of passive load, such as solenoid or magnetic actuator having linear dipole with diodes connected in series in diagnostic system, involves applying certain voltage to passive load, where voltage is constant |
| 12/27/2012 | DE102011105112A1 Device for monitoring switching state of positive pole-side power switch utilized for e.g. disconnecting high volt battery system in electrical vehicle, has signal generator and detection device electrically connected to power switch |
| 12/26/2012 | EP2538537A2 Digital peak input voltage detector for a power converter controller |
| 12/26/2012 | EP2538229A1 Phase-comparing device with dual terminal connection |
| 12/26/2012 | EP2537296A1 Electricity system configuration method and computer program performing the method |
| 12/26/2012 | CN202634348U Motor and current sampling circuit thereof |
| 12/26/2012 | CN202633805U Switch cabinet with medium and high voltage potential indicator |
| 12/26/2012 | CN202631709U Digital storage battery detector |
| 12/26/2012 | CN202631703U IEC61850-based circuit breaker state monitoring and service life analyzing system |
| 12/26/2012 | CN202631674U Device for detecting motion time of leakage protector |
| 12/26/2012 | CN202631669U Touch screen type online monitoring device with memorizer for switchgear arresters |
| 12/26/2012 | CN202631651U Filth insulation intelligent detection system apparatus |
| 12/26/2012 | CN202631626U Multi-path collection system of intelligent electric meter |
| 12/26/2012 | CN202631625U On-line monitor for switch cabinet capable of collecting information easily |
| 12/26/2012 | CN202631624U Current detection device for Hall current transformer |
| 12/26/2012 | CN202631623U Device and system for measuring alternating current voltage with variable frequency |
| 12/26/2012 | CN202631622U Battery voltage data-logger for low-power fuel battery monomer |
| 12/26/2012 | CN202631621U Peak value ampere meter |
| 12/26/2012 | CN202631620U Optical module intelligent test board |
| 12/26/2012 | CN202631619U Lightning rod discharge counter with automatic memory |
| 12/26/2012 | CN202631618U Discharge counter for arrester with simple structure and data remote transmission function |
| 12/26/2012 | CN202631617U Output-stage over-current detection circuit |
| 12/26/2012 | CN202631616U Over-limit current monitoring system for underground high-voltage cable protective layer |
| 12/26/2012 | CN202631615U Equipotential high-voltage charge indicator |
| 12/26/2012 | CN202631614U Novel 110kV charged insulator detection rod |
| 12/26/2012 | CN202631613U High pressure charged automatic alarm |
| 12/26/2012 | CN202631612U High-voltage electroscope with voice function |
| 12/26/2012 | CN202631611U Digital display electric measuring instrument with trend indication function |