| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 08/02/2012 | US20120197570 Measurement of Parameters Within an Integrated Circuit Chip Using a Nano-Probe |
| 08/02/2012 | US20120197569 Method for monitoring individual photovoltaic modules in an arrangement that comprises several photovoltaic modules and device for performing said method |
| 08/02/2012 | US20120197564 Motor condition inspection method and motor characteristic inspecting device |
| 08/02/2012 | US20120194168 Lightning current detection sensor |
| 08/02/2012 | US20120194164 Cuk Based Current Source |
| 08/02/2012 | US20120192407 Process and Apparatus for Nondestructive Evaluation of the Quality of a Crimped Wire Connector |
| 08/02/2012 | DE102011003308A1 Überwachungsanordnung und Verfahren zur Überwachung einer elektrischen Leitung Monitoring arrangement and method for monitoring an electrical line |
| 08/02/2012 | CA2766758A1 Active core current sensor |
| 08/01/2012 | EP2482454A1 Measuring device for detecting a modulation signal on a bus with unknown polarity and bus device |
| 08/01/2012 | EP2482085A1 Supply voltage monitor |
| 08/01/2012 | EP2481074A1 Sensor for measuring plasma parameters |
| 08/01/2012 | EP1639419B1 A circuit for detecting electric current |
| 08/01/2012 | CN202362488U Sensing fiber, sensing fiber ring and straight-through type all-fiber current sensor |
| 08/01/2012 | CN202362434U Plug-in type voltage and current signal detecting device for storage battery driven vehicles |
| 08/01/2012 | CN202362414U Detection circuit for electrical system of internal combustion engine vehicle and portable detection maintenance tool |
| 08/01/2012 | CN202362402U Online monitor capable of remotely alarming for arrester |
| 08/01/2012 | CN202362360U Voltage sampling signal processing circuit of three-phase electronic type electric energy meter |
| 08/01/2012 | CN202362359U Current induction circuit of electric energy meter |
| 08/01/2012 | CN202362358U Charging and discharging current detection circuit for power lithium battery formation cabinet |
| 08/01/2012 | CN202362357U 10kV智能语音验电器 10kV Intelligent Voice electroscope |
| 08/01/2012 | CN202362356U High voltage live display and voice alarm device |
| 08/01/2012 | CN202362355U Liquid conductivity acousto-optic detecting rod |
| 08/01/2012 | CN202362354U External-detection type coaxial dual-electrode high-and-low-voltage alternating current acousto-optic electroscope |
| 08/01/2012 | CN202362353U Potential indicator having self-check function |
| 08/01/2012 | CN202362352U Load current testing tool for distribution transformer |
| 08/01/2012 | CN202362351U Three-phase inverter output line voltage detection device |
| 08/01/2012 | CN202362350U Combined type electricity meter for measuring current, voltage and power factor |
| 08/01/2012 | CN202362349U Lamp current sampling circuit of inverter |
| 08/01/2012 | CN202362348U Non-contact weak direct current sensor |
| 08/01/2012 | CN202362347U Fiber Fabry-Perot voltage sensor |
| 08/01/2012 | CN202362345U Standard capacitance divider and induced voltage measurement device |
| 08/01/2012 | CN202362089U Overload pre-warning system for transformer |
| 08/01/2012 | CN202354468U Labor protection shoes equipped with detachable shoe head lamp and acousto-optic voltage alarm |
| 08/01/2012 | CN202354467U Labor protection shoes equipped with detachable shoe head lamp and acousto-optic voltage alarm |
| 08/01/2012 | CN102624950A Mobile phone and method for detecting condition of charger of mobile phone |
| 08/01/2012 | CN102624092A Leakage current abnormal remote alarm device for lightning arrester of distribution transformer station zone |
| 08/01/2012 | CN102621469A Solar battery and component testing system based on Lab VIEW |
| 08/01/2012 | CN102621457A On-line detection method of metal oxide arrester insulating property influencing factor |
| 08/01/2012 | CN102621443A Test device for socket |
| 08/01/2012 | CN102621405A Device for detecting stator winding phase sequence and encoder output level |
| 08/01/2012 | CN102621382A Method for detecting frequency, phase and amplitude of electric signal in electric power system |
| 08/01/2012 | CN102621378A Ultralow-power-consumption method for measuring voltage of power supply by RC (Resistor-Capacitor) integral |
| 08/01/2012 | CN102621377A Fault arc detection method |
| 08/01/2012 | CN102621376A Method for precisely and synchronously measuring multiple high and low-potential electric parameters and device |
| 08/01/2012 | CN102621375A High-voltage electrified automatic alarm |
| 08/01/2012 | CN102621374A Power terminal electrification display |
| 08/01/2012 | CN102621373A Signal collection device and signal processing method of current-sharing input system of alternating-current power supply |
| 08/01/2012 | CN102621372A CVT (Constant-Voltage Transformer) monitoring device for monitoring MOA (Metal Oxide Arrester) voltage |
| 08/01/2012 | CN102621371A Circuit for measuring MOA (metal oxide arrester) resistive current based on capacitive current compensational method |
| 08/01/2012 | CN102621370A Magnifying power adjusting circuit for MOA (Metal Oxide Arrester) resistive current detection system |
| 08/01/2012 | CN102621369A Inductance ESR (equivalent series resistance) based electric current detection circuit with potential floating function |
| 08/01/2012 | CN102621368A Oscillation-stop detection circuit, semiconductor device, timepiece, and electronic device |
| 08/01/2012 | CN102621367A Pre-amplification circuit for MOA (metal oxide arrester) resistive current detecting system |
| 08/01/2012 | CN101833028B Device convenient for testing output voltage of power supply |
| 07/31/2012 | US8234088 Presentation of unbalance information for electrical asset management |
| 07/26/2012 | WO2012099866A2 Differential current monitoring for parallel-connected batteries |
| 07/26/2012 | WO2012099022A1 Transient recovery voltage measuring device, transient recovery voltage measuring method, and transient recovery voltage measuring program |
| 07/26/2012 | WO2012098781A1 Power supply device |
| 07/26/2012 | WO2012098523A2 Converging algorithm for real-time battery prediction |
| 07/26/2012 | WO2012098396A1 Current device |
| 07/26/2012 | WO2012098054A1 Current measuring device |
| 07/26/2012 | WO2012097492A1 Wireless system for measuring voltage distribution of arrester |
| 07/26/2012 | US20120191392 Method for analyzing correlations among device electrical characteristics and method for optimizing device structure |
| 07/26/2012 | US20120187985 Low Power Brown Out Detector |
| 07/26/2012 | US20120187963 System for detecting electrical properties of a molecular complex |
| 07/26/2012 | DE102004013606B4 Vorrichtung zur Messung von Störungen oder Unterbrechungen in der inneren Glättungsschicht in Mittel- und Hochspannungskabeln Apparatus for measurement of disturbances or interruptions in the inner layer smoothing in medium and high voltage cables |
| 07/25/2012 | CN202353850U Overvoltage identification module, overvoltage protection circuit and light emitting diode (LED) driver |
| 07/25/2012 | CN202351415U Intelligent voltage and current record and analysis system for emergency lamp |
| 07/25/2012 | CN202351321U Fuse-free electric meter with monitoring effect |
| 07/25/2012 | CN202351315U Determination circuit of voltage value |
| 07/25/2012 | CN202351314U Ammeter device for teaching experiments |
| 07/25/2012 | CN202351313U Voltage meter device used for teaching experiment |
| 07/25/2012 | CN202351312U Zero crossing point detecting circuit of high frequency resonance current |
| 07/25/2012 | CN202351311U Intelligent voltage calibration device applicable to various power battery and capacitor management systems |
| 07/25/2012 | CN202351310U Circuit device for detecting alternating current (AC) power failure of liquid crystal display television (LCD TV) |
| 07/25/2012 | CN202351309U 电压比较电路 Voltage comparison circuit |
| 07/25/2012 | CN202351308U Electricity testing device with electric locking |
| 07/25/2012 | CN202351307U Test pencil |
| 07/25/2012 | CN202351306U Liquid crystal display electric detecting instrument |
| 07/25/2012 | CN202351305U Wire stripping electricity detecting integrated device |
| 07/25/2012 | CN202351304U Electric shock prevention alarm device of overhead working truck |
| 07/25/2012 | CN202351303U Electricity leakage tester |
| 07/25/2012 | CN202351302U Testing instrument for simulating unbalance current of serial compensating device |
| 07/25/2012 | CN202351301U Photovoltaic junction monitor integrating functions of ground detection and fault line selection |
| 07/25/2012 | CN202351277U Test probe for lithium battery |
| 07/25/2012 | CN1892239B Measurement method using solar simulator |
| 07/25/2012 | CN102612241A Drive circuit for a fluorescent lamp with a diagnosis circuit, and method for diagnosis of a fluorescent lamp |
| 07/25/2012 | CN102611183A Method for detecting and protecting isolated island of grid-connected power generation system |
| 07/25/2012 | CN102611150A Electronics unit with current sensing |
| 07/25/2012 | CN102608987A Monitoring control system for remote radio parameter |
| 07/25/2012 | CN102608534A Negative peak voltage detection for enhanced fuelgauge empty voltage prediction |
| 07/25/2012 | CN102608527A Data filtering processing method for dynamic characteristic test for circuit breaker |
| 07/25/2012 | CN102608508A Automatic real-time pulse measuring device and method for threshold voltage parameter of field-effect transistor |
| 07/25/2012 | CN102608485A Detection method for zero-sequence current loops of transformer substations |
| 07/25/2012 | CN102608482A Methods and systems involving monitoring circuit connectivity |
| 07/25/2012 | CN102608457A System and method for automatic control and intelligent analysis in insulator pollution experiments |
| 07/25/2012 | CN102608440A Electrostatic sensing experimental system and particle frictional charge measuring method |
| 07/25/2012 | CN102608430A Capacitance check and voltage monitoring circuit for use with a circuit protection device |
| 07/25/2012 | CN102608412A Inverse soft meter of doubly-fed wind generator |
| 07/25/2012 | CN102608410A Pulse generation circuit, voltage measuring circuit and voltage measuring method |