| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 10/14/2008 | CA2336015C Residual current detection device |
| 10/09/2008 | WO2007127617A3 Electrical measuring instrument having detachable current clamp |
| 10/09/2008 | US20080246462 Device for Measuring Electrical Current, Voltage and Temperature on an Electrical Conductor Made of Rigid Material |
| 10/08/2008 | EP1977258A2 Device for measuring dc current having large measurement swing, electronic trip comprising such a measurement device and cut-off device having such a trip |
| 10/08/2008 | EP1977257A1 Current sensor |
| 10/08/2008 | CN201130860Y Built-in converting station multi-cycle dynamic electric energy quality on-line analysis apparatus |
| 10/08/2008 | CN201130207Y Multifunctional electrical parameter measurer |
| 10/08/2008 | CN201130206Y Diverter |
| 10/08/2008 | CN101283282A Current measurement circuit and method of diagnosing faults in same |
| 10/07/2008 | US7432699 Transformer with protection against direct current magnetization caused by zero sequence current |
| 10/07/2008 | US7430932 Device for telemonitoring the state of aerial power lines(variants) |
| 10/02/2008 | US20080243413 self-adjusting voltage filtering technique compensating for dynamic errors of capacitive voltage transformers |
| 10/02/2008 | DE102007013806A1 Electrical conducting material, has measuring resistance, which is connected with material of electrical conductor as form-fit composite material and is positively bonded on all sides till outer surface, |
| 10/01/2008 | EP1976119A2 Filtering method for capacitive voltage transformers |
| 10/01/2008 | EP1974223A2 Arrangements for an integrated sensor |
| 10/01/2008 | CN201126450Y Automatic detection system FOR airplane electronic equipments |
| 10/01/2008 | CN201126445Y High-voltage current transformer |
| 10/01/2008 | CN201126444Y Universal meter with music prompt |
| 10/01/2008 | CN100422750C Device for measuring the intensity of a strong current passing through a wire |
| 10/01/2008 | CN100422749C Measuring system comprising an intelligent sensor head and having a reduced power consumption for medium-voltage or high-voltage systems or in mining, and method therefor |
| 09/25/2008 | WO2008113423A1 Method and device for evaluating fast current changes |
| 09/25/2008 | WO2008113142A2 Real-time monitoring system for capacitance graded bushings |
| 09/25/2008 | WO2008089422A3 Flexible current transformer assembly |
| 09/25/2008 | WO2008073391A3 Time division multiplexed detector for a magneto-opitcal current transducer |
| 09/25/2008 | US20080231257 Method and apparatus for measuring the voltage of a power source |
| 09/25/2008 | US20080231255 Three-Phase Current Sensor |
| 09/25/2008 | DE202008008598U1 Die eine eingebaute Verwaltungskarte des Systemstromes aufweisende Hauptplatine des Computers The built-in management card of the system stream having computer motherboard |
| 09/25/2008 | DE202006020504U1 Elektrisches/elektronisches Gerät Electrical / electronic device |
| 09/25/2008 | DE102007013712A1 Verfahren und Vorrichtung zur Auswertung schneller Stromänderungen Method and apparatus for evaluation of rapid current changes |
| 09/25/2008 | DE102007013634A1 Vorrichtung zur Messung eines von einem Wechselstromanteil überlagerten Gleichstromanteils eines in Leitern von Wechselstrombahnen fließenden Stroms A device for measuring one of an alternating current component superposed a direct current component in conductors of alternating current paths flowing stream |
| 09/25/2008 | CA2680385A1 Method and apparatus for evaluating rapid changes in current |
| 09/24/2008 | EP1972947A2 Device for measuring the DC component superposed to an AC component of a current flowing in the conductors of AC railways |
| 09/24/2008 | CN201122507Y Openable current mutual inductor |
| 09/24/2008 | CN201122506Y Electronic voltage mutual inductor for full-insulation switchgear |
| 09/24/2008 | CN201122505Y Current mutual inductor |
| 09/24/2008 | CN201122169Y Electronic high voltage current mutual inductor |
| 09/24/2008 | CN201122168Y Expandable multifunctional harmonic wave table |
| 09/24/2008 | CN101271131A Synthetic electric power observation and control instrument |
| 09/24/2008 | CN101271130A Lattice type Hall electric current transducer |
| 09/24/2008 | CN101271128A Digital display signal measurement amplifying circuit |
| 09/23/2008 | US7427856 Current sensing apparatus |
| 09/18/2008 | WO2008111586A1 Current detector |
| 09/18/2008 | DE10157224B4 Parameterüberwachungsvorrichtung für eine Hochspannungskammer in einem Halbleiterwaferverarbeitungssystem Parameter monitoring device for a high-voltage chamber in a semiconductor wafer processing system |
| 09/17/2008 | EP1970716A2 Wide range current sensing method and system |
| 09/17/2008 | CN201117424Y Electronic type current mutual inductor |
| 09/17/2008 | CN201117423Y Shielding bus-type current transformer |
| 09/17/2008 | CN201117422Y Electronic type current mutual inductor for central cabinet |
| 09/17/2008 | CN201117421Y Low-voltage electronic type current mutual inductor |
| 09/17/2008 | CN201117420Y Electronic voltage mutual inductor |
| 09/17/2008 | CN201117381Y Multiple layer-type current sensing component structure |
| 09/17/2008 | CN101266878A Current mutual inductor with shunt resistor |
| 09/17/2008 | CN101266266A Method and apparatus for measuring the voltage of a power source |
| 09/12/2008 | WO2008107773A1 High bandwidth open-loop current sensor |
| 09/12/2008 | WO2008107655A1 Nulling current transformer |
| 09/12/2008 | WO2008087275A3 Electrically insulated current measuring device, electronic trigger, and circuit breaker comprising such a device |
| 09/11/2008 | DE102007015490B3 Method for measuring partial discharge in high voltage component, involves interconnecting series connection of capacitance with one or more inductances to electrical resonant circuit by laminated series connection of capacitances |
| 09/10/2008 | EP1966615A1 Device, probe, and method for the galvanically decoupled transmission of a measuring signal |
| 09/10/2008 | CN201112119Y Switch mutual inductor |
| 09/10/2008 | CN101261289A Device for measuring electric current in a conductor |
| 09/10/2008 | CN100418275C Transducer assembly for semiconductor device testing processors |
| 09/04/2008 | WO2008104919A1 Load current detection in electrical power converters |
| 09/04/2008 | US20080211484 Flexible current transformer assembly |
| 09/03/2008 | EP1965217A1 High bandwidth open-loop current sensor |
| 09/03/2008 | EP1963871A1 Measuring electrical impedance at various frequencies |
| 09/03/2008 | CN201110866Y Extra-high voltage reference capacitor |
| 09/03/2008 | CN101256895A Novel high voltage combined independent electronic type current, voltage mutual inductor |
| 09/03/2008 | CN101256894A Novel high voltage independent electronic type current mutual inductor |
| 09/03/2008 | CN101256893A Current mutual inductor |
| 09/03/2008 | CN101256892A Novel high voltage independent type electronic voltage mutual inductor |
| 08/28/2008 | DE102007009175A1 Method for operating magnetic field sensor, involves designing magnetic field sensor as magnetic field-dependant resistance, which is excited by alternating current of predetermined fundamental frequency and amplitude |
| 08/27/2008 | EP1960796A1 Precision flexible current sensor |
| 08/27/2008 | CN201107394Y Electrical signal insulating testing apparatus of permanent magnetism synchronous electric machine |
| 08/27/2008 | CN201107348Y Two-wire system true effective value transmitter with TRMS signal conversion module as core |
| 08/27/2008 | CN201107343Y Combined type mutual inductance apparatus using in the electric energy metering system |
| 08/27/2008 | CN201107342Y Isolator for implementing passive 4 ¿C 20 mA using constant flow source and high-frequency transformator |
| 08/27/2008 | CN201107341Y Pointer needle multimeter direct current shift anti-hitting meter apparatus |
| 08/27/2008 | CN201107340Y Multiplex high efficiency integrated tester |
| 08/27/2008 | CN101251556A Sinusoidal signal four parameters testing method and virtual apparatus signal detection device |
| 08/27/2008 | CN101251554A Control processing method and device for optical fiber current transformer |
| 08/27/2008 | CN101251553A High pressure resistant insulation supporting post containing tightly packaged fiber as well as manufacture and application thereof |
| 08/27/2008 | CN100414305C Light control electronic switch type automatic function selecting universal meter |
| 08/26/2008 | US7418370 Method, apparatus and computer program providing broadband preconditioning based on reduced coupling for numerical solvers |
| 08/26/2008 | US7417420 Switch to bypass optical diode for reducing power consumption of electrical meters |
| 08/21/2008 | DE102007007716A1 Connection head for combi-transformer for current and voltage measurement in energy supply networks, is in connection chamber or box, in which electronic components are received for evaluation of potentiometer of rogowski-coil part |
| 08/21/2008 | DE10042920B4 Stromdetektor Current detector |
| 08/21/2008 | DE10038645B4 Vorrichtung und Verfahren zum Erfassen eines elektrischen Stroms auf der Grundlage eines elektrischen Signals von einem magneto-elektrischen Umwandlungselement Apparatus and method for detecting an electric current based on an electric signal from a magneto-electric conversion element |
| 08/20/2008 | CN101248358A Device for current detection and method for operating the same |
| 08/20/2008 | CN100413045C Anisotropically conductive connector, probe material member, wafer inspection apparatus, and wafer inspection method |
| 08/19/2008 | US7414389 Low-power battery pack with hall-effect sensor |
| 08/14/2008 | WO2008095415A1 A core-through type current transformer with an anti-theft veil for easily detecting voltage |
| 08/14/2008 | WO2008051766A3 Adaptive triggers method for signal period measuring |
| 08/14/2008 | DE102007007167A1 Short-circuit detector for detecting and indicating e.g. short-circuit of switching system, has adjusting unit for adjusting evaluating unit to determined type-specific transducer signal characteristic from stored signal characteristics |
| 08/14/2008 | DE102007006219A1 Stromsensoranordnung Flow sensor assembly |
| 08/14/2008 | DE102006046739B4 Verfahren zum Betreiben eines Magnetfeldsensors und zugehöriger Magnetfeldsensor A method of operating a magnetic field sensor and associated magnetic field sensor |
| 08/14/2008 | DE102006046736B4 Verfahren zum Betreiben eines Magnetfeldsensors und zugehöriger Magnetfeldsensor A method of operating a magnetic field sensor and associated magnetic field sensor |
| 08/13/2008 | EP1956384A2 Current sensor device |
| 08/13/2008 | EP1956378A1 Current sensor |
| 08/13/2008 | EP1955081A1 Out-of-line measurement of a current flowing through a load |
| 08/13/2008 | CN201100865Y Small current low voltage optical grating sensor |
| 08/13/2008 | CN101241156A Method for loading direct current mutual-inductor for applying to converter transformer bias magnet monitoring |