| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 08/13/2013 | US8510066 Self-calibrating voltage sensor |
| 08/13/2013 | US8509975 Vehicle, method of estimating state of charge of secondary battery, and method of controlling vehicle |
| 08/13/2013 | US8508215 Arrangement for measuring at least one value of a voltage applied to an electronic component |
| 08/09/2013 | DE202013006554U1 Messschaltung für Abnormalität der Motorwicklungen eines Axialventilators Measuring circuit for abnormality of the motor windings of an axial fan |
| 08/08/2013 | WO2013116508A1 Measurement of depth and energy of buried trap states in dielectric films by single electron tunneling force spectroscopy |
| 08/08/2013 | US20130200924 Comparator with transition threshold tracking capability |
| 08/08/2013 | US20130200880 Method and system for detection of standby status in linear and non-linear charges connected to the electricity mains and automatic disconnection thereof |
| 08/08/2013 | US20130200727 Apparatus and method for voltage sensing |
| 08/08/2013 | DE102012206735B3 Elektrisches Messgerät mit einer umlaufenden Anzeige Electrical measuring instrument with a peripheral display |
| 08/08/2013 | DE102012201726A1 Device for recognizing incorrect voltage measuring conduits for e.g. lithium batteries, has evaluation circuit determining whether voltage measuring conduits are in fault condition and measuring determined voltages from conduits |
| 08/07/2013 | EP2623996A1 Voltage measuring circuit and method for monitoring the functionality of a voltage measuring circuit |
| 08/07/2013 | CN203119820U Frequency converter output current measuring device |
| 08/07/2013 | CN203117697U Current monitoring module |
| 08/07/2013 | CN203117441U Meteorology observation device with functions of double power supply switching and low voltage early-warning and alarming |
| 08/07/2013 | CN203117299U Integrative sensor for monitoring dielectric loss of power transformer bushing |
| 08/07/2013 | CN203117280U STM 32-based intelligent four-probe meter |
| 08/07/2013 | CN203117279U Power supply and current detection equipment based on testing device for camera module of handset |
| 08/07/2013 | CN203117278U Multi-loop residual current detection circuit |
| 08/07/2013 | CN203117277U Voltage quality monitoring analyzer with circuit detection device |
| 08/07/2013 | CN203117276U Voltage quality monitoring analyzer with detection and control device |
| 08/07/2013 | CN203117275U A current window alarm device of a device on the top of a tower |
| 08/07/2013 | CN203117274U Lightning arrester leakage current monitor |
| 08/07/2013 | CN203117273U On-line discharge and leakage current monitoring device for combined overvoltage protector with gaps |
| 08/07/2013 | CN203117272U Overload detector |
| 08/07/2013 | CN203117271U Power supply voltage protection module |
| 08/07/2013 | CN203117270U Novel voltage detector |
| 08/07/2013 | CN203117269U Induction detection device |
| 08/07/2013 | CN203117268U Power cable multi-working-condition on-line detection system |
| 08/07/2013 | CN203117267U A test pencil having multiple bits |
| 08/07/2013 | CN203117266U Single-phase alternating-current voltmeter |
| 08/07/2013 | CN203117265U Novel voltage detection circuit |
| 08/07/2013 | CN203117264U Online leakage current monitoring device for alternating-current gapless three-phase combined overvoltage protectors |
| 08/07/2013 | CN203117263U On-line discharge and leakage current monitoring device for three-phase four-post combined overvoltage protector |
| 08/07/2013 | CN203117262U Online detector for leakage current of surge protection device (SPD) |
| 08/07/2013 | CN203117261U Novel open magnetic-core-free current sensor with compensation structure |
| 08/07/2013 | CN203117260U Sensor device capable of eliminating zero drift |
| 08/07/2013 | CN203117259U Direct current leakage detection circuit |
| 08/07/2013 | CN203117258U Distribution box on-line voltage monitoring device |
| 08/07/2013 | CN203117257U Current sensor |
| 08/07/2013 | CN203117256U System for detecting bus capacitive current of medium voltage power grid |
| 08/07/2013 | CN203117255U Cable detection device |
| 08/07/2013 | CN203117254U Data acquisition card for monitoring overvoltage |
| 08/07/2013 | CN103236678A Intelligent controller for moulded case circuit breaker |
| 08/07/2013 | CN103236329A Compact type 10kv voltage monitoring insulator |
| 08/07/2013 | CN103235241A Thunder and lightning electromagnetic wave distribution monitoring device for electric power line |
| 08/07/2013 | CN103235208A Power parameter monitoring device based on ADE (automated data entry) 7953 |
| 08/07/2013 | CN103235191A Satellite add-drop separation signal detection device |
| 08/07/2013 | CN103235174A Voltage online monitoring device for power system |
| 08/07/2013 | CN103235173A Testing method and driving sampling device for threshold current of laser |
| 08/07/2013 | CN103235172A Current measuring method and measuring device |
| 08/07/2013 | CN103235171A Voltage monitoring instrument with safety encryption chip |
| 08/07/2013 | CN103235170A Differential D-dot voltage sensor |
| 08/07/2013 | CN103235169A Measuring device for pre-discharging current before insulation breakthrough at VFTO (very fast transient overvoltage) |
| 08/07/2013 | CN103235168A Measuring system for shunt vectors of metal frames of large ground grids on basis of wireless transmission |
| 08/07/2013 | CN102435820B Overvoltage detection circuit |
| 08/07/2013 | CN102323561B Method for calibration by pulse high-current amplitude calibrating device |
| 08/07/2013 | CN101975880B Optical current transformer sensing head and sensing method |
| 08/06/2013 | US8504851 Electronic device having power consumption adjusting feature |
| 08/06/2013 | US8502524 Current measurement in an inverter unit and a frequency converter |
| 08/01/2013 | WO2013112802A1 Device for detecting a load type |
| 08/01/2013 | WO2013112613A1 Dual side control for inductive power transfer |
| 08/01/2013 | WO2013111954A1 Power saving current measuring apparatus and power converter using same |
| 08/01/2013 | WO2013111699A1 Optical fiber for sensor and power device monitoring system |
| 08/01/2013 | WO2013111572A1 Current measurement system, and current measurement method |
| 08/01/2013 | WO2013110381A1 Monitoring device, battery cell and method for monitoring a battery cell |
| 08/01/2013 | WO2013110171A1 Input/output interface circuit with overpower protection |
| 08/01/2013 | WO2013110141A1 Optically based voltage sensing device and method |
| 08/01/2013 | US20130197837 Ascertaining the Ballistic Trajectory of an Electromagnetically Driven Armature of a Coil Actuator |
| 08/01/2013 | US20130197836 Voltage and current measuring device |
| 08/01/2013 | US20130194101 System and method for health monitoring of power cables |
| 08/01/2013 | US20130193992 Current Detection Circuit |
| 08/01/2013 | US20130193954 Current detecting device |
| 08/01/2013 | US20130193951 Convolution Integral for Synchronized Phasor |
| 08/01/2013 | DE102012001687A1 Method for measuring threshold voltage of MOSFETs under load during current operation for e.g. process for direct commutation between MOSFETs, involves generating predetermined measuring time to start measurement of current commutation path |
| 07/31/2013 | EP2619600A2 Systems, methods, and devices for analyzing utility usage with load duration curves |
| 07/31/2013 | EP2619599A1 Electrical device and method for determining a phase failure in the electrical device |
| 07/31/2013 | CN203104318U Switching power supply and switching power supply integrated circuit |
| 07/31/2013 | CN203104293U Switching power supply and switching power supply integrated circuit |
| 07/31/2013 | CN203103812U Multifunctional combined intelligent insulating rod |
| 07/31/2013 | CN203101967U Conflux monitoring device |
| 07/31/2013 | CN203101894U Power line carrier-based apparatus for detection of student dormitory electricity consumption |
| 07/31/2013 | CN203101548U Insulation on-line monitoring device applied to high voltage device |
| 07/31/2013 | CN203101529U On-line monitoring system of arrester |
| 07/31/2013 | CN203101526U Long-distance synchronous measurement data collection device for moving body target |
| 07/31/2013 | CN203101506U Three-phase digital smart meter |
| 07/31/2013 | CN203101499U Voltage acquisition circuit |
| 07/31/2013 | CN203101498U Multifunctional digital electric power instrument capable of eliminating zero line interference |
| 07/31/2013 | CN203101497U Multifunctional digital electric power instrument capable of eliminating electrostatic interference |
| 07/31/2013 | CN203101496U Operational parameter wireless acquisition system for zinc oxide lightning arrester |
| 07/31/2013 | CN203101495U A zero-crossing detecting circuit |
| 07/31/2013 | CN203101494U AC (alternating current) electric supply power failure detection circuit, equipment and system |
| 07/31/2013 | CN203101493U High voltage electroscope |
| 07/31/2013 | CN203101492U Bendable multifunctional test pencil |
| 07/31/2013 | CN203101491U Non-contact type adjustable test pen |
| 07/31/2013 | CN203101490U Electromagnetic induction electroscope |
| 07/31/2013 | CN203101489U Instantaneous power failure alarm |
| 07/31/2013 | CN203101488U Multifunctional test pencil |
| 07/31/2013 | CN203101487U Voltage monitor with channel selection device |
| 07/31/2013 | CN203101486U Collection wire wiring structure for voltage detection of energy-storing sodium-sulfur battery module |
| 07/31/2013 | CN203101485U Structure for measuring phase voltages of three-phase three-wire system power network |