| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 12/16/2009 | CN201365142Y Distribution transformer monitoring terminal with high reliability |
| 12/16/2009 | CN201365088Y Multifunctional electrician plier |
| 12/16/2009 | CN201364969Y Loop voltage-distributing pliers |
| 12/16/2009 | CN201364627Y Battery theft prevention device |
| 12/16/2009 | CN201364360Y Circuit voltage testing device |
| 12/16/2009 | CN201364359Y Current detecting early warning alarm |
| 12/16/2009 | CN201364358Y Duckbilled loop pliers |
| 12/16/2009 | CN201364124Y Battery size screening and electrical property testing device |
| 12/16/2009 | CN101606072A Device for measuring the current of a discharge lamp |
| 12/16/2009 | CN101604853A Battery charge and discharge device |
| 12/16/2009 | CN101604006A Voltage detection circuit |
| 12/16/2009 | CN101603997A Method for testing parameters of synchronous motor and device for achieving same |
| 12/16/2009 | CN101603996A Power warning system and method |
| 12/16/2009 | CN101603985A Method for measuring sine signal with high accuracy |
| 12/16/2009 | CN101603983A Current measurement device and processing unit comprising such a device |
| 12/16/2009 | CN101603982A Distributed method for collecting zero-sequence current concerning load variation |
| 12/16/2009 | CN101603981A Single-battery voltage measurement circuit of multi-section serial battery pack system for automobile |
| 12/16/2009 | CN101603980A Electronic-type current transformer for measuring low current, and analog signal processing method |
| 12/16/2009 | CN101603978A Method and device for automatically converting measuring range in alternating current measurement |
| 12/16/2009 | CN101603850A Extra high voltage transmission line online monitoring system |
| 12/16/2009 | CN100570977C Method for identifying transformer inner echo surge current |
| 12/16/2009 | CN100570378C Voltage measurer for eliminating variation and thermoelectric potential influence |
| 12/16/2009 | CN100570377C Method for measuring capacitance current of automatic tracking compensating device for arc-extinguishing coil |
| 12/16/2009 | CN100570376C Method of doorsill speed inverse-pulling automatically testing start-up current of steering engine |
| 12/16/2009 | CN100569555C Vehicle mounted electrical apparatus driving circuit module with failure diagnosis function |
| 12/15/2009 | US7633319 Digital QP detecting apparatus, spectrum analyzer having the same, and digital QP detecting method |
| 12/15/2009 | US7633318 Data receiver of semiconductor integrated circuit and method for controlling the same |
| 12/15/2009 | US7633317 High-side current sense circuit with common-mode voltage reduction |
| 12/15/2009 | US7633287 Current sensor |
| 12/15/2009 | US7633286 Electric current monitoring device |
| 12/15/2009 | US7633285 Sensors and sensing methods for three-phase, gas insulated devices |
| 12/15/2009 | US7633284 Method and apparatus for managing ultracapacitor energy storage systems for a power transmission system |
| 12/11/2009 | CA2666192A1 Current measuring device and processing unit comprising one such device |
| 12/10/2009 | WO2009148899A2 Sensor cable for electromagnetic surveying |
| 12/10/2009 | WO2009147949A1 Current sensing circuit and switching regulator including the same |
| 12/10/2009 | US20090306918 Office Id Remote with Oscillating Circuit |
| 12/10/2009 | US20090305115 Lithium battery pack |
| 12/10/2009 | US20090302910 Delay time measuring method, delay time adjusting method, and variable delay circuit |
| 12/10/2009 | US20090302827 Sensing circuit and method for a flyback converter |
| 12/10/2009 | DE102008002305A1 Arrangement for measuring current at electrical conductor to detect electrical state variable of battery of motor vehicle, has printed circuit board formed such that sensors are attached to adjacent current-conductive conductor |
| 12/09/2009 | EP2131203A2 Method for the precise measurement of dependency on amplitude and phase of a plurality of high frequency signals and device for carrying out said method |
| 12/09/2009 | EP2130053A1 Method for detecting an electric potential difference on a piezoelectric actuator unit and circuit arrangement for carrying out said method |
| 12/09/2009 | EP1552314B1 Sense amplifier with configurable voltage swing control |
| 12/09/2009 | CN201360141Y Inverted sequence and open phase protection circuit for milk container microcomputer controller |
| 12/09/2009 | CN201360019Y Assembling structure of combined single power battery |
| 12/09/2009 | CN201359624Y Wireless read-write flash counter |
| 12/09/2009 | CN201359623Y DC high-voltage forcipated current measuring device |
| 12/09/2009 | CN201359622Y Waterborne navigation aid two-line type multi-parameter measuring device |
| 12/09/2009 | CN201359621Y Sensor for detecting transient voltage to ground signal |
| 12/09/2009 | CN201359620Y High-insulation rotor voltage and current transformer |
| 12/09/2009 | CN201359619Y Voltage detection circuit for two-path direct-current power supply circuit |
| 12/09/2009 | CN101599709A Inverter device |
| 12/09/2009 | CN101599651A General rapid intelligent charger and charging method thereof |
| 12/09/2009 | CN101599356A Electronic voltage transformer of electricity distribution network and phase voltage measurement method thereof |
| 12/09/2009 | CN101598771A Devices and method for detecting output over-voltage protection point of power supply module |
| 12/09/2009 | CN101598770A Testing method of computer and computer system |
| 12/09/2009 | CN101598756A Test system of high voltage frequency converter |
| 12/09/2009 | CN101598749A Three-phase midline-free alternating current zero crossing detection device |
| 12/09/2009 | CN101598748A Thermo-compensation current sensing head as well as alternate current measurement method and system |
| 12/09/2009 | CN101598747A Current sensing circuit |
| 12/09/2009 | CN100568653C Safety alarm device for power line |
| 12/09/2009 | CN100568005C Failsafe for differential circuit based on current sense scheme |
| 12/09/2009 | CN100567997C Power disturbance detection circuit and method |
| 12/09/2009 | CN100567903C Sensing services and sensing circuits |
| 12/09/2009 | CN100567575C Active interference removing apparatus for buried pipeline |
| 12/08/2009 | US7630850 Integrated circuit tester information processing system for nonlinear mobility model for strained device |
| 12/08/2009 | US7629817 System and apparatus for aperture time improvement |
| 12/08/2009 | US7629787 Current sensor having shunt resistor and clamper diode for motor control |
| 12/08/2009 | US7629761 System for measuring current in multiple motor coils using a single sensing element |
| 12/03/2009 | WO2009144129A2 Method for determining the offset of a periodic signal |
| 12/03/2009 | WO2009143625A1 Tunable bragg stack |
| 12/03/2009 | WO2009105642A3 Compressor protection and grid fault detection device |
| 12/03/2009 | US20090299592 Method and Electronic Regulator With A Current Measuring Circuit For Measuring The Current by Sense-Fet and Sigma-Delta Modulation |
| 12/03/2009 | US20090295413 Sensor System |
| 12/03/2009 | US20090295366 E-field sensor arrays for interactive gaming, computer interfaces, machine vision, medical imaging, and geological exploration |
| 12/03/2009 | DE102009000633A1 Sondeneinheit mit darauf angebrachter Lichtquelle Probe unit with it fixed light source |
| 12/03/2009 | CA2726342A1 Tunable bragg stack |
| 12/02/2009 | EP2128633A1 Current-sense amplifier arrangement and method for measuring a voltage signal |
| 12/02/2009 | EP2128632A1 A current testing circuit and device |
| 12/02/2009 | EP2127064A1 Data acquisition apparatus and methodology for self-diagnosis of ac modules |
| 12/02/2009 | EP2126593A1 Device for measuring the current of a discharge lamp |
| 12/02/2009 | EP1636549B1 Method and apparatus for real time clock (rtc) brownout detection |
| 12/02/2009 | EP1632020B1 Integrated circuit device for monitoring power supply |
| 12/02/2009 | CN201355389Y Over-current detection circuit for motor coil |
| 12/02/2009 | CN201355379Y Integral intelligent monitoring device of distribution transformer |
| 12/02/2009 | CN201355375Y Positive-negative X-direction recognition device for piezoelectric quartz crystal |
| 12/02/2009 | CN201355374Y Wireless high-pressure live display locking device |
| 12/02/2009 | CN201355373Y Intelligent indicator for detection and centralized display on multiple channels of charging rack |
| 12/02/2009 | CN201355372Y Electrified display |
| 12/02/2009 | CN101593990A Method and device for realizing usb port smart power management and integrated circuit |
| 12/02/2009 | CN101593984A Solar panel charging display device and use method thereof |
| 12/02/2009 | CN101593983A Method for quickly positioning oscillating center of electric system |
| 12/02/2009 | CN101593965A Intelligent low-voltage motor protector with function of electric energy measurement |
| 12/02/2009 | CN101593944A Method for pre-controlling cross interconnected sheathing induction current of single-core power cables |
| 12/02/2009 | CN101592710A Action voltage test method for direct-current switch coil |
| 12/02/2009 | CN101592691A Lightning round and back hit discriminator of electric transmission line |
| 12/02/2009 | CN101592687A Output-input voltage high-speed detection device for inverter |
| 12/02/2009 | CN101592686A Indicator for preventing mistakenly entering charged chamber |
| 12/02/2009 | CN101592685A Method for measuring DC low current signal |
| 12/02/2009 | CN100565223C Flat-plate type broad frequency sensor for power transmission engineering |