Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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11/15/2012 | DE102011078698B3 Electrical current measuring circuitry of control system used for controlling servo-drive of automation system, has analog filter to carry out frequency-dependent amplification of measuring signal from which current value is measured |
11/15/2012 | DE102011075696A1 Leiterplatte für ein Haushaltsgerät, Haushaltsgerät und Verfahren zum Betreiben eines Haushaltsgeräts Circuit board for a household appliance, home appliance and method for operating a household appliance |
11/14/2012 | CN202535277U 15V DC boosting device of pointer multimeter |
11/14/2012 | CN202534498U Three-phase-in-one-piece electronic type current voltage transformer |
11/14/2012 | CN202534497U Electronic current transformer |
11/14/2012 | CN202534496U Electronic current-voltage transformer |
11/14/2012 | CN202534495U Electronic type current transformer |
11/14/2012 | CN202534494U Outdoor voltage transformer with fuse protector |
11/14/2012 | CN202533489U Amplification multiple adjusting circuit used for MOA resistive current detection system |
11/14/2012 | CN202533486U Front-stage amplification circuit used for MOA resistive current detection system |
11/14/2012 | CN202533482U 4-20 ma current transmitter circuit |
11/14/2012 | CN202533481U Universal switching device for measuring voltage, current and thermal resistance signals |
11/14/2012 | CN202533480U Reference level and voltage step-up circuit used for MOA resistive current detection system |
11/14/2012 | CN102782510A Electrical-current detecting apparatus |
11/14/2012 | CN102779636A Sensor and converter separately arranged electronic type current transformer capable of being overhauled on-line |
11/14/2012 | CN102778603A Optical fiber current sensor signal intelligent system |
11/14/2012 | CN102778598A Fiber bragg grating self-temperature compensating current sensor |
11/14/2012 | CN102778597A Voltage frequency conversion high voltage isolating circuit for use in voltage measurement in photovoltaic power station |
11/14/2012 | CN102778596A Multifunctional USB (Universal Serial Bus) testing device |
11/14/2012 | CN102773615A Electronic type electric energy meter shunt bimetal strip of and welding method thereof |
11/13/2012 | US8311754 Power monitoring and analysis system for identifying and tracking individual electrical devices |
11/13/2012 | US8311752 Method and apparatus to quantify mast clamp current probe effective loss on pole-mast antenna |
11/13/2012 | US8310226 Diagnosing device of signal status in measurement and control by measuring means and control means |
11/13/2012 | US8310225 Current sensing mechanism |
11/13/2012 | US8310210 Earth leakage detection circuit |
11/13/2012 | US8310015 Sensor platform using a horizontally oriented nanotube element |
11/08/2012 | WO2012113558A8 Resistive voltage divider with improved phase accuracy |
11/08/2012 | DE112011100177T5 Stromdetektor Current detector |
11/07/2012 | EP2521262A1 Galvanic isolation device |
11/07/2012 | EP2520945A1 Magnetic field detecting apparatus and current sensor |
11/07/2012 | CN202522615U High-voltage electroscope with protective function |
11/07/2012 | CN202522608U Coil of optical fiber current sensor and optical fiber current sensor based on coil |
11/07/2012 | CN202522606U Extra-high voltage (EHV) suspended optical current transformer |
11/07/2012 | CN202522605U Magnetic core used for current sensor and corresponding current sensor |
11/07/2012 | CN202522604U Independent electronic transformer |
11/07/2012 | CN202522603U Handle assembly of laminated testing equipment |
11/07/2012 | CN102360900B Open-close type current and voltage transformer |
11/07/2012 | CN101644727B High-voltage detector |
11/07/2012 | CN101523678B Voltage measurements of electrically conducting elements in systems for controlling electrical processes |
11/01/2012 | WO2012146923A1 Galvanically solated voltage measurement |
11/01/2012 | WO2012088488A3 Assembly and circuit structure for measuring current through an integrated circuit module device |
11/01/2012 | CA2834338A1 Galvanically isolated voltage measurement |
10/31/2012 | EP2518516A1 Single-phase optical current transformer |
10/31/2012 | DE112010005205T5 Isolierter Stromsensor mit Codec Isolated current sensor with codec |
10/31/2012 | CN202513027U Transformer magnetic insulator type current transducer |
10/31/2012 | CN202513021U Digital current transformer based on induction power supply |
10/31/2012 | CN202513019U Three-phase voltage transformer |
10/31/2012 | CN202512161U Super-grid over-voltage monitoring system based on Rogowski coil |
10/31/2012 | CN202512157U Current sensor |
10/31/2012 | CN202512155U High voltage measurement device |
10/31/2012 | CN202512154U Electronic type voltage transformer |
10/31/2012 | CN202512153U Three-phase screw pivot for voltage transformer cabinet |
10/31/2012 | CN202512152U Rechargeable digital multimeter |
10/31/2012 | CN202512151U Electronic type capacitive voltage divider |
10/31/2012 | CN202512145U Universal meter |
10/31/2012 | CN102759696A Device for adjusting and sampling I-V characteristics of solar battery |
10/31/2012 | CN102759651A Industrial voltage measurement structure |
10/31/2012 | CN102759647A Converter for meters |
10/31/2012 | CN102759646A Testing method and device of harmonic wave universal meter |
10/31/2012 | CN102208270B Electronic current transformer with temperature measurement device |
10/30/2012 | US8299779 Device for measuring the intensity of an electric current and electric appliance including such device |
10/26/2012 | WO2012145297A1 Smart current transformers |
10/26/2012 | WO2012145294A1 A system and method to calculate rms current and true power in a multidrop sensor network |
10/25/2012 | US20120268106 Smart current transformers |
10/25/2012 | DE102012100361A1 Stromdifferenzsensoren, -systeme und -verfahren Current difference sensors, systems and procedures |
10/24/2012 | EP2515125A2 Current sensor with a magnetic core |
10/24/2012 | EP2515124A2 Current sensor operating in accordance with the principale of compensation |
10/24/2012 | EP2515123A2 Current sensor operating in accordance with the principe of compensation |
10/24/2012 | EP2513655A1 Current sensor with a self-test function |
10/24/2012 | CN202502895U Backbone type current transformer with sensor |
10/24/2012 | CN202502890U Indoor cabled voltage transformer for electric locomotive |
10/24/2012 | CN202502889U Electronic voltage transformer |
10/24/2012 | CN202502888U Instrument transformer |
10/24/2012 | CN202502167U Low-voltage nuclear phase instrument |
10/24/2012 | CN202502135U Full optical fiber type current transformer |
10/24/2012 | CN202502130U Circuit in power circuit for sampling direct-current voltage through photoelectric coupling isolation |
10/24/2012 | CN102749556A Capacitance-type insulating capacitive voltage-dividing insulation monitor |
10/24/2012 | CN102749501A Isolated direct current high voltage detection method and isolated direct current high voltage detection circuit |
10/24/2012 | CN102749499A Noise reduction structure in alternating-current circuit for current detecting |
10/24/2012 | CN102749491A Current sensor with a magnetic core |
10/24/2012 | CN102749488A Power grid harmonic wave real-time on-line monitor and method for detecting harmonic wave using same |
10/24/2012 | CN101231310B Voltage measurement instrument and method having improved automatic mode operation |
10/23/2012 | US8296102 System and method for testing derating performance of a component of an electronic device |
10/23/2012 | US8296092 Platform specific test for computing hardware |
10/23/2012 | US8294453 Externally reporting branch power monitoring system |
10/23/2012 | US8294452 Arrangement and method for measuring a current flowing in an electrical conductor |
10/18/2012 | WO2012141609A1 Capacitive voltage divider for hermetically sealed unitized distribution devices |
10/18/2012 | WO2012139651A1 Method for the contactless determination of an electrical potential using an oscillating electrode, and device |
10/18/2012 | WO2012139650A1 Device for the contactless determination of an electrical potential of an object, current probe, and method |
10/18/2012 | WO2012139648A1 Method for the contactless determination of an electrical potential of an object using two different values for the electric flux, and device |
10/18/2012 | WO2012139523A1 Electronic round power meter using high-current transformer and manufacturing method thereof |
10/18/2012 | US20120262152 Current sensors, systems and methods |
10/17/2012 | EP2511712A1 Device for measuring electric current comprising a Rogowski coil |
10/17/2012 | EP2511711A1 Load monitoring in an electricity supply system |
10/17/2012 | EP2510373A1 Method and device for calibrating a voltage measurement on a driving circuit |
10/17/2012 | EP2510365A1 Magneto optical current transducer with improved outage performance |
10/17/2012 | EP2510364A1 Fiber-optic current sensing using a sensor with exchangeable sub-modules |
10/17/2012 | CN202495332U Zero sequence current transformer |
10/17/2012 | CN202495331U Voltage transformer for electric locomotive |
10/17/2012 | CN202494723U Embedded high-voltage electrical energy metering switch |