Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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11/11/2009 | EP2115863A1 Load current detection in electrical power converters |
11/11/2009 | CN201345292Y Minitype mutual inductor |
11/11/2009 | CN201344949Y Portable feedthrough small current sensor with 750kV transformer field idling characteristic |
11/11/2009 | CN201344948Y Test instrument |
11/11/2009 | CN101576584A Voltage measurement of high voltage batteries for hybrid and electric vehicles |
11/11/2009 | CN101576579A Coaxial-symmetrical discrete capacitive voltage divider used for nanosecond high voltage pulse measurement |
11/10/2009 | US7616007 Device, method, program, and recording medium for error factor measurement, and output correction device and reflection coefficient measurement device provided with the device for error factor measurement |
11/10/2009 | US7615989 Method and apparatus for DC integrated current sensor |
11/10/2009 | US7615988 Wide range current sensing method and system |
11/10/2009 | US7615986 Temperature detection function-incorporating current sensor |
11/05/2009 | US20090273338 Active autoranging current sensing circuit |
11/05/2009 | DE102008013427A1 Anordnung zum Messen einer Stromstärke, Schaltanordnung sowie Verfahren zum Messen einer Stromstärke System for measuring a current, switching arrangement and method for measuring a current |
11/04/2009 | CN201340796Y Measuring current transformer |
11/04/2009 | CN201340441Y Composite insulator leakage current sensor |
11/04/2009 | CN201340440Y Clock generating circuit |
11/04/2009 | CN201340439Y Multi-circuit electric energy quantity metering system |
11/03/2009 | US7612553 Current sensor having sandwiched magnetic permeability layer |
11/03/2009 | CA2395646C High thermal stability capacitor for shielded electrical lines |
10/29/2009 | WO2009111601A3 Dual opto-coupler isolation circuit with signal scaling compensation |
10/28/2009 | CN101568842A Optical high voltage sensor |
10/28/2009 | CN101567493A Assembled structure with separable electrical connector component |
10/28/2009 | CN101566642A Orthogonal radio frequency voltage/current sensor with high dynamic range |
10/28/2009 | CN100554973C Toroidal core current transformer comprising a phase compensation circuit |
10/27/2009 | CA2393416C Oscillator activated continuity testing switch |
10/22/2009 | US20090265121 Measuring and monitoring a power source |
10/22/2009 | DE102008018811A1 Method for determination of current zero crossover of current at phase of polyphase electric motor, involves determining phase angle with occurrence of sign change of measured phase voltage |
10/21/2009 | EP1889078B1 An improved system and method of mounting current transducers in proximity to circuit breakers |
10/21/2009 | CN201332319Y Current input measuring range automatic switching circuit of electromotor protecting device |
10/21/2009 | CN201332016Y Electronic type current transformer for digital transformer substation |
10/21/2009 | CN201332015Y Electron type current transformer |
10/21/2009 | CN201332014Y Electronic type voltage transformer for digital transformer substation |
10/21/2009 | CN201332013Y Combined outdoor voltage transformer |
10/21/2009 | CN201332012Y Electronic type combined transformer for digital transformer substation |
10/21/2009 | CN201331554Y Antistatic mechanism of grounding resistance tester of aircraft body |
10/21/2009 | CN201331553Y DC (direct current) voltage measuring circuit with isolation |
10/21/2009 | CN101563618A Time division multiplexed detector for a magneto-opitcal current transducer |
10/21/2009 | CN101562074A Coil type current transformer |
10/21/2009 | CN101562073A Current sensor |
10/21/2009 | CN101561456A Direct current side high-voltage detecting method of compressor driver |
10/20/2009 | US7605580 Integrated hybrid current sensor |
10/15/2009 | WO2009126897A1 Orthogonal radio frequency voltage/current sensor with high dynamic range |
10/15/2009 | WO2009126824A1 Test and measurement device with a pistol-grip handle |
10/15/2009 | WO2009124969A1 Magnetic field sensor measuring a direction of a magnetic field in a plane and current sensor |
10/15/2009 | DE102008018642A1 Überwachungsschaltung und Verfahren zum Prüfen der Schaltung Monitoring circuit and method for testing the circuit |
10/15/2009 | DE102008000943A1 Diagnostizierbarer Hallsensor Diagnosable Hall sensor |
10/15/2009 | CA2720996A1 Test and measurement device with a pistol-grip handle |
10/14/2009 | EP2108966A1 Current sensor and assembly group for current measurement |
10/14/2009 | EP2108965A1 Orthogonal radio frequency voltage/current sensor with high dynamic range |
10/14/2009 | CN201327505Y Three-phase electrical parameter signal measuring and processing system |
10/14/2009 | CN101556862A High-frequency pulse current transformer |
10/14/2009 | CN101556861A Piezoelectric ceramic voltage dividing electronic potential transformer |
10/14/2009 | CN101556295A Voltage linear isolation detection method and circuit |
10/14/2009 | CN100549701C Optical fibre electric current sensor sensitive coil winding equipment |
10/14/2009 | CN100549700C Low energy consumption series current mutual inductor for detecting 1~750000V transformer |
10/08/2009 | US20090251131 Inverted magnetic isolator |
10/07/2009 | EP2107381A2 System and method for monitoring current in a conductor |
10/07/2009 | CN201323131Y Optical balance bridge type current transformer |
10/07/2009 | CN201322770Y IO port detecting circuit |
10/07/2009 | CN101552126A Displacement current transformer |
10/07/2009 | CN101552125A Three-phase electronic voltage mutual inductor (NBEVT) for control |
10/07/2009 | CN101552124A Method for manufacturing minitype transformer |
10/07/2009 | CN101551415A Passive power distribution isolator and 0-20mA signal passive isolator |
10/06/2009 | US7600053 Emulation of extended input/output measurement block facilities |
10/06/2009 | US7598724 Flexible current transformer assembly |
10/01/2009 | WO2009119238A1 Current detector and voltmeter using the same |
10/01/2009 | WO2009118048A1 Phasor estimation during current transformer saturation |
10/01/2009 | DE202009010265U1 Zangenstrommesser für die Messung des Stromverbrauchs von elektrischen Geräten Current probe for measuring the power consumption of electrical equipment |
09/30/2009 | CN101545928A Inspection jig |
09/24/2009 | US20090240448 Technique for determining performance characteristics of electronic devices and systems |
09/24/2009 | DE102009003640A1 Mikroelektromechanische Strommessvorrichtung Microelectromechanical current measuring device |
09/23/2009 | EP2102668A2 Electrically insulated current measuring device, electronic trigger, and circuit breaker comprising such a device |
09/23/2009 | CN101539616A Method for detecting accuracy of optical current transformer for measuring |
09/23/2009 | CN101539592A Micro-electromechanical current sensing apparatus |
09/23/2009 | CN101539591A Electro-optic sampling method based on polarization rotation effect of electroabsorption modulator |
09/23/2009 | CN100543478C Method for reducing temperature-dependent error in photocurrent sensor, and photocurrent sensor device |
09/23/2009 | CN100543477C Current transformer saturation detecting technology based on phase comparing method |
09/23/2009 | CN100543476C Capacitor with high thermal stability for measurements in high-voltage lines |
09/23/2009 | CN100543475C Voltage check device |
09/17/2009 | WO2009114294A1 Generator for air-powered electrostatically aided coating dispensing device |
09/17/2009 | WO2009112412A1 Apparatus for measuring a current strength, circuit arrangement and method for measuring a current strength |
09/17/2009 | US20090230948 Rogowski Coil Assembly and Methods |
09/17/2009 | DE102008013408A1 Shuntwiderstand mit Messschaltung Shunt resistor with measuring circuit |
09/17/2009 | CA2717797A1 Generator for air-powered electrostatically aided coating dispensing device |
09/16/2009 | EP1891452B1 Current sensor |
09/16/2009 | CN201311446Y Electroprobe inserting device of measuring instrument for preventing battery replacement with electroprobe and fuse misoperation |
09/16/2009 | CN201311445Y Multifunctional instrument system for electric power measurement |
09/16/2009 | CN201311444Y Data acquisition system interface device |
09/16/2009 | CN101535819A Current sensing module and assembly method thereof |
09/16/2009 | CN101535818A Method and arrangement for measuring the voltage on a conductor |
09/16/2009 | CN101533080A System and detection method for digital adjustable precision direct current resistance |
09/16/2009 | CN101533076A System for realizing nonlinear output of Hall voltage and Hall integrated circuit therefor |
09/16/2009 | CN101533040A Monitor device for voltage input and current output |
09/15/2009 | US7589517 Adaptive slope compensation for switching regulators |
09/15/2009 | CA2289736C Method and device for measuring an electrical voltage |
09/11/2009 | WO2009109760A2 Lightning detection |
09/11/2009 | WO2009109490A1 High-voltage system and method for transferring data in a high-voltage system |
09/11/2009 | WO2009109168A2 Current measuring device using a magnetically sensitive sensor for a power electronics system |
09/10/2009 | DE102008013342A1 Hochspannungsanlage und Verfahren zur Datenübetragung in einer Hochspannungsanlage High-voltage system and method for delivery of data in a high-voltage system |
09/10/2009 | DE102008012665A1 Strommessvorrichtung mittels magnetempfindlichem Sensor für ein leistungselektronisches System Current measuring device using magnetempfindlichem sensor for a high-performance electronic system |
09/09/2009 | EP2097758A2 Faraday effect current sensor |