| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 07/14/2010 | CN101776432A Robot gripper multi-functional test device |
| 07/14/2010 | CN101187695B Automatic electricity-testing machine of battery |
| 07/13/2010 | US7755360 Portable locator system with jamming reduction |
| 07/12/2010 | CA2689777A1 System for automatically detecting power system configuration |
| 07/12/2010 | CA2689776A1 System for accurately detecting elctricity theft |
| 07/08/2010 | WO2010048037A3 Current sensor having field screening arrangement including electrical conductors sandwiching magnetic permeability layer |
| 07/08/2010 | WO2010042643A3 Photovoltaic module monitoring system |
| 07/08/2010 | WO2010002144A9 Battery cell interconnection and voltage sensing assembly, and method for connecting battery cell assembly to the same |
| 07/08/2010 | US20100171510 Testing apparatus and testing method |
| 07/08/2010 | US20100171486 Efficient resistivity measurement method by multi-point simultaneous current transmission system using pseudo-noise signal waveform |
| 07/08/2010 | US20100170640 Determining high frequency operating parameters in a plasma system |
| 07/07/2010 | CN201523248U 智能充电器 Smart Charger |
| 07/07/2010 | CN201522631U Static plate intelligent monitoring system with functions of fuzzy recognition and distance measurement |
| 07/07/2010 | CN201522549U Portable device for online diagnosing motor fault |
| 07/07/2010 | CN201522541U 变电站电气设备在线监测系统 Substation electrical equipment on-line monitoring system |
| 07/07/2010 | CN201522536U Full decompression module for three-phase electronic electric energy meter |
| 07/07/2010 | CN201522532U Testing device for residual voltage and electrical current distribution characteristic of whole lightning protector |
| 07/07/2010 | CN201522531U Power-transmission slide contact line mounting defect and operation fault detection device of traveling cleaner |
| 07/07/2010 | CN201522524U Portable electric quantity analyzer |
| 07/07/2010 | CN201522523U Zero-temperature-drift current sensor |
| 07/07/2010 | CN201522522U Power quality monitoring device based on DSP and PCI bus technology |
| 07/07/2010 | CN201522521U Under-voltage signal detection circuit of three-phase supply |
| 07/07/2010 | CN201522520U Abnormal voltage detector |
| 07/07/2010 | CN201522519U G.7032Mbps digital signal testing lamp |
| 07/07/2010 | CN201522518U Novel electroprobe |
| 07/07/2010 | CN201522517U Opening-type Hall current sensor |
| 07/07/2010 | CN201522516U Three-phase working current display device suitable for three-phase alternating current motor |
| 07/07/2010 | CN201522511U Error-proof inspection control module |
| 07/07/2010 | CN1885055B Battery check device |
| 07/07/2010 | CN101772708A Voltage transformation circuit |
| 07/07/2010 | CN101771401A Oscillator circuit |
| 07/07/2010 | CN101771261A Parallel arc detection using discrete wavelet transforms |
| 07/07/2010 | CN101771258A Over-current cutting-off power supply and method |
| 07/07/2010 | CN101769999A Optical fiber DC magneto-optic detection system and method |
| 07/07/2010 | CN101769996A High-voltage power supply debugging detector |
| 07/07/2010 | CN101769989A Control device of thermal relay test bench |
| 07/07/2010 | CN101769958A High-voltage capacitor bank branch current monitoring device |
| 07/07/2010 | CN101769957A Automatic switching circuit for voltage and current measurement and method thereof |
| 07/07/2010 | CN101769956A Intelligent monitor system |
| 07/07/2010 | CN101769955A Electrical indicator |
| 07/07/2010 | CN101769954A Voltage detecting circuit for multiple serial batteries |
| 07/07/2010 | CN101769953A Phase current detection method of motor based on direct-current bus current |
| 07/07/2010 | CN101769952A Voltage detecting device of secondary battery module |
| 07/07/2010 | CN101769886A Method and system detecting metal line failure |
| 07/07/2010 | CN101769709A Analog circuit and method for detecting wire breaking of displacement sensor LVDT |
| 07/07/2010 | CN101767739A Air-stream generating device of elevator |
| 07/07/2010 | CN101408565B 35KV power distribution station internal and external over voltage monitoring method based on voltage mutual inductor sampling |
| 07/07/2010 | CN101281215B Active mode current detecting system |
| 07/06/2010 | US7750621 Clamp meter for measuring consumption of current and power of electrical product |
| 07/06/2010 | US7750619 Method and apparatus for measuring the frequency of a received signal |
| 07/01/2010 | US20100169035 Methods and systems for observing sensor parameters |
| 07/01/2010 | US20100169034 Apparatus and Method for Measuring Load Current Using a Ground Fault Sensing Transformer |
| 07/01/2010 | US20100164481 Method for measuring transconductance |
| 07/01/2010 | US20100164480 Voltage detection device and voltage detection method |
| 07/01/2010 | US20100164477 High speed voltage regulator with integrated loseless current sensing |
| 07/01/2010 | US20100164473 Meter phase identification |
| 07/01/2010 | US20100163871 Method for indexing dies comprising integrated circuits |
| 07/01/2010 | DE202010000843U1 Messadapter für die belastete Spannungsmessung Measuring adapter for the loaded voltage measurement |
| 06/30/2010 | CN201518411U Novel overvoltage protector |
| 06/30/2010 | CN201518049U Distribution transformer monitoring metering terminal |
| 06/30/2010 | CN201518044U Remote monitoring and recording unit of power supply lightning protection box |
| 06/30/2010 | CN201518034U Test voltage testing clip |
| 06/30/2010 | CN101764563A Simulation circuit of current of wind power generation power network and method thereof |
| 06/30/2010 | CN101764562A Simulation circuit of voltage of wind power generation power network and method thereof |
| 06/30/2010 | CN101764387A Arc detection using detailed and approximate coefficients from discrete wavelet transforms |
| 06/30/2010 | CN101764386A Method for collection and control with single collecting controller |
| 06/30/2010 | CN101762795A Optical fiber magneto-optic detection system and method |
| 06/30/2010 | CN101762774A Method for identifying high voltage direct current transmission line fault location based on genetic algorithm parameter |
| 06/30/2010 | CN101762773A Detection method and detection device for ground protection of high-voltage equipment |
| 06/30/2010 | CN101762767A Method for separating resistance current of arrester by hardware |
| 06/30/2010 | CN101762765A Arrester full current continuous amplifying circuit and method thereof |
| 06/30/2010 | CN101762764A Arrester capacity current hardware separating circuit and method thereof |
| 06/30/2010 | CN101762763A Arrester resistance current peak detection circuit and method thereof |
| 06/30/2010 | CN101762758A System for monitoring and orientating electric power quality pollution source in electric network |
| 06/30/2010 | CN101762746A Cyclostationary demodulation method of complex gear transmission chain current signal based on entropy optimization |
| 06/30/2010 | CN101762742A Sampling value correcting method based on fixed-frequency sampling sequence |
| 06/30/2010 | CN101762741A Monitoring and orientation system of pollution sources of electrical energy quality |
| 06/30/2010 | CN101762740A Overvoltage comparison circuit |
| 06/30/2010 | CN101762739A Measuring lamp |
| 06/30/2010 | CN101762738A Method for sampling average current of chopper in state of interrupted output current |
| 06/30/2010 | CN101762737A Null voltage detection circuit and detection method thereof |
| 06/30/2010 | CN101762736A Image current detecting circuit |
| 06/30/2010 | CN101762735A Valve-closing current detecting instrument for electromagnetic valve |
| 06/30/2010 | CN101762734A Output voltage detection circuit and switching power supply |
| 06/30/2010 | CN101762622A Trenchless construction large-diameter pipeline corrosion controlling and monitoring system |
| 06/30/2010 | CN101762345A Working condition detection system for crawler walking hydraulic bracket |
| 06/30/2010 | CN101762337A Multi-stage thermal-link sensor of bearing, detection circuit comprising same and detection method |
| 06/30/2010 | CN101308172B Current integration type power detection device and power checking module |
| 06/29/2010 | US7747400 VA metering in polyphase systems |
| 06/29/2010 | US7747399 Home energy use indicator |
| 06/29/2010 | US7746159 Polarity conversion circuit |
| 06/29/2010 | US7746061 Method of performing signal-measured calibration |
| 06/29/2010 | US7746057 Power meter having complex quadrature output current and voltage filters |
| 06/29/2010 | US7746051 Voltmeter with dual displays |
| 06/29/2010 | US7746027 Electric power controller for vehicle mounting |
| 06/24/2010 | WO2010036545A3 Mutual capacitance measuring circuits and methods |
| 06/24/2010 | US20100161259 Aging status diagnostic apparatus for power conversion system, and method their of |
| 06/24/2010 | US20100156492 System and method for thermal limit control |
| 06/24/2010 | US20100156379 Device for measuring the current flowing through a power transistor of a voltage regulator |
| 06/24/2010 | DE102008055012A1 Verfahren zur Überwachung einer Ansteuereinrichtung eines 3-strängigen Elektromotors und/oder des Elektromotors A method for monitoring a control device of a 3-leg electric motor and / or of the electric motor |