| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 01/16/2013 | CN102879628A Charged detecting circuit for forcible locking device |
| 01/16/2013 | CN102879627A Output voltage detection circuit of DC/DC conversion circuit |
| 01/16/2013 | CN102879626A Residual voltage measuring method for automatically detecting load characteristic of electric apparatus |
| 01/16/2013 | CN102879625A Envelope detector with graphene transistor |
| 01/16/2013 | CN102879624A Direct-current-free magnetized bidirectional magnetic amplifier for direct-current large current detection |
| 01/16/2013 | CN102879316A Device and method for testing feedback ions of low-light-level image intensifier component |
| 01/16/2013 | CN102279309B Criterion method for protection startup of extra-high voltage direct-current circuit |
| 01/16/2013 | CN102033158B Method and device for measuring prospective short-circuit current |
| 01/16/2013 | CN102023253B Lightning-proof monitoring warning system |
| 01/16/2013 | CN101819243B Area information based quiescent voltage unstability prediction method |
| 01/16/2013 | CN101667748B Circuit power fail safeguard device and protection method thereof |
| 01/16/2013 | CN101135698B Active wheel speed sensor tester |
| 01/15/2013 | US8355883 Measurement and apparatus for electrical measurement of electrical drive parameters for a MEMS based display |
| 01/15/2013 | US8354864 Sense amplifier for low voltage high speed sensing |
| 01/15/2013 | US8354863 Control signal generation circuit and sense amplifier circuit using the same |
| 01/15/2013 | US8354857 Method and apparatus for speed monitoring |
| 01/15/2013 | US8354833 Method for characterizing dielectric loss tangent |
| 01/10/2013 | WO2013005096A1 Current sensor |
| 01/10/2013 | WO2013004146A1 Online alternating current detection device and method |
| 01/10/2013 | WO2012158328A3 Method and apparatus for detection of lvdt core fallout condition |
| 01/10/2013 | US20130009655 Current sensor |
| 01/10/2013 | US20130009650 Voltage detector, malfunction detecting device, contactless power transmitting device, contactless power receiving device, and vehicle |
| 01/10/2013 | US20130009628 Integral Value Measuring Circuit |
| 01/10/2013 | US20130009626 Current measurement system |
| 01/10/2013 | US20130009266 Photodiode array, method for determining reference voltage, and method for determining recommended operating voltage |
| 01/10/2013 | DE102011106702A1 Analyzing a process for coating an object, by coating an object using an electrophoretic dip coating, and determining a current density and a layer thickness of the coating process, where the current density is measured using electrodes |
| 01/10/2013 | DE102011106442A1 Method for determining time-averaged electric current flowing into electrical circuit electrical component, involves determining average electric current based on primary time-averaged voltage drop and ohmic resistance |
| 01/10/2013 | DE102011078603A1 Verfahren zum Überwachen der Funktionssicherheit von mindestens einer passiven Elektrode sowie Vorrichtung zum Überwachen der Funktionssicherheit von mindestens einer passiven Elektrode A method for monitoring the functional reliability of at least one passive electrode as well as apparatus for monitoring the functional reliability of at least one passive electrode |
| 01/09/2013 | EP2542902A1 Electronic component, in particular current sensor |
| 01/09/2013 | CN202663147U Battery voltage detection and charging circuit |
| 01/09/2013 | CN202661608U Charging-discharging detecting instrument with function of monitoring charging state |
| 01/09/2013 | CN202661592U Automatic pulse real-time field effect transistor threshold-voltage parameter measuring device |
| 01/09/2013 | CN202661582U Multifunctional device for insulation diagnosis of railway electric locomotive roof high-voltage equipment |
| 01/09/2013 | CN202661578U Debugging device with automatic power-up conduction and automatic detection functions |
| 01/09/2013 | CN202661574U Power generation alarm controller of vase station machine room oil engine |
| 01/09/2013 | CN202661542U Voltage measurement device for loading shovel generator |
| 01/09/2013 | CN202661541U Current detection system for car battery |
| 01/09/2013 | CN202661540U Three-phase total-voltage-loss detecting circuit |
| 01/09/2013 | CN202661539U High-voltage live display device |
| 01/09/2013 | CN202661538U High voltage live display locking device |
| 01/09/2013 | CN202661537U Lightning surge sensor using reed pipe |
| 01/09/2013 | CN202661536U Wireless digital monitoring sensor for electrical equipment |
| 01/09/2013 | CN202661535U Electroscope with mechanical interlocking function |
| 01/09/2013 | CN202661534U Novel voltage detector |
| 01/09/2013 | CN202661533U Alternating voltage detection circuit and safety capacitor discharging circuit |
| 01/09/2013 | CN202661532U Solar photovoltaic confluence acquisition device |
| 01/09/2013 | CN202661531U Stress transfer type voltage sensor |
| 01/09/2013 | CN202661530U Piezoelectric voltage sensor |
| 01/09/2013 | CN202661529U Axial symmetry current shunt |
| 01/09/2013 | CN202661528U Optical fiber type combined voltage and current measuring device |
| 01/09/2013 | CN202661527U Online detection system for iron core grounding of transformer |
| 01/09/2013 | CN202661526U Coaxial double-loop magnetic core coil assembly for core-through type high precision closed-loop type Hall current sensor |
| 01/09/2013 | CN202661525U Coaxial double-loop magnetic core structure assembly for core-through type high precision opened-loop type Hall current sensor |
| 01/09/2013 | CN202657054U Novel protection box |
| 01/09/2013 | CN102868188A Electric charging system, electric vehicle and electric charger |
| 01/09/2013 | CN102866358A High-string-number lithium-battery pack voltage detection circuit and battery pack protection circuit utilizing same |
| 01/09/2013 | CN102866324A Leakage current detection circuit for output channel |
| 01/09/2013 | CN102866295A Electrical signal sensing system |
| 01/09/2013 | CN102866294A Signal compatibility testing method based on rail circuit |
| 01/09/2013 | CN102866290A Detecting circuit and detecting method for measuring current of motor winding |
| 01/09/2013 | CN102866289A Power cable sheath grounding current fault analysis method |
| 01/09/2013 | CN102866288A Voltage detection device and power supply system of electric locomotive |
| 01/09/2013 | CN102866287A Low-voltage electrical testing device |
| 01/09/2013 | CN102866286A Electric supply power-off and power-on informing device |
| 01/09/2013 | CN102866285A Current and voltage integrating type measuring device |
| 01/09/2013 | CN102866284A Charging detection device for electric vehicle |
| 01/09/2013 | CN102866283A Superimposed large-current bias alternative-current (AC) current measuring device |
| 01/09/2013 | CN102866282A Zero-flux hall large-current sensor structure |
| 01/09/2013 | CN102866281A Current sensor for high-voltage line |
| 01/09/2013 | CN102866280A Magnetostrictive open circuit optical control device |
| 01/09/2013 | CN102866279A 电流传感器装置 Current sensor means |
| 01/09/2013 | CN102866278A Output voltage detecting circuit for frequency changer and frequency changer |
| 01/09/2013 | CN102226820B Circuit for detecting intermediate voltage |
| 01/09/2013 | CN102023286B Zero current detection circuit for series resonance charging source and design method thereof |
| 01/09/2013 | CN102012449B Wireless on-line monitoring system for zinc oxide lightning arrester of electric transmission line |
| 01/09/2013 | CN102004208B Method for rapidly distinguishing CT wire break in bus protection |
| 01/09/2013 | CN101930032B Method for measuring frequency dependent capacitive loads using configurable psro structure and circuit thereof |
| 01/09/2013 | CN101923134B Digital leakage current detection circuit and detection method thereof |
| 01/08/2013 | CA2755382C Instrumentation circuit for shunt-based metrology measurement |
| 01/03/2013 | WO2013001684A1 Voltage meter |
| 01/03/2013 | WO2013001683A1 Multiplexer for voltage measurement and voltage meter comprising same |
| 01/03/2013 | WO2013001682A1 Analog measurement data detection system and battery voltage detection system |
| 01/03/2013 | WO2013001680A1 Voltage measurement device |
| 01/03/2013 | WO2013001355A2 Method for distributed waveform recording in a power distribution system |
| 01/03/2013 | WO2012149483A3 System and method for automated detection of battery insertion |
| 01/03/2013 | US20130006556 Solar simulator light-amount evaluation apparatus, solar simulator light-amount evaluation method, solar cell evaluation apparatus, and solar cell evaluation method |
| 01/03/2013 | US20130002289 Electronic apparatus, category determination method for transmission cable and transmission cable |
| 01/03/2013 | US20130002239 High Voltage Sensing Mechanism with Integrated On-Off Switch |
| 01/03/2013 | US20130002234 High precision algorithmically assisted voltage divider with fault detection |
| 01/03/2013 | US20130002232 Frame sequence for a cell voltage measurement system with a low probability of natural occurrence |
| 01/03/2013 | DE102012104145A1 Verfahren zum Bereitstellen einer Kalibrierreferenzspannung und Indexsynchronisationssequenz für ein Zellspannungsmesssystem A method for providing synchronization and index Kalibrierreferenzspannung sequence for a cell voltage measurement system |
| 01/03/2013 | DE102011105869A1 Funktionsüberprüfung eines Photovoltaik-Moduls Functional testing of a photovoltaic module |
| 01/03/2013 | DE102011078334A1 Verfahren und System zum Kalibrieren eines Shunt-Widerstands Method and system for calibrating a shunt resistor |
| 01/03/2013 | DE102005001179B4 Einpoliger Spannungsdetektor, insbesondere für eine oberirdische elektrische Leitung Single-pole voltage detector, in particular for overhead electrical line |
| 01/02/2013 | CN202651999U Real-time parameter monitoring, display and alarm integrated motor |
| 01/02/2013 | CN202649416U Monitoring device for opening and closing coil of breaker |
| 01/02/2013 | CN202649392U Portable partial discharge pulse current sensor |
| 01/02/2013 | CN202649373U Testing instrument for leakage of electric pole |
| 01/02/2013 | CN202649366U Online monitoring circuit for series compensation spark gap voltage divider loop |
| 01/02/2013 | CN202649361U ARM-based intelligent device for analyzing electric energy quality |