Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
08/2012
08/30/2012WO2012113558A1 Resistive voltage divider with improved phase accuracy
08/30/2012WO2012113557A1 Resistive voltage divider with high voltage ratio
08/30/2012US20120221278 Current meter with on board memory
08/30/2012US20120217954 Current meter with voltage awareness
08/29/2012EP2492926A1 Resistive voltage divider with high voltage ratio
08/29/2012EP2492925A1 Resistive voltage divider made of a resistive film material on an insulating substrate
08/29/2012EP2492698A1 Electrical junction box and current detecting device
08/29/2012EP2492697A1 Resistive voltage divider with improved phase accuracy
08/29/2012CN202405088U Integral-type current transformer convenient for fixed joint
08/29/2012CN202404178U Multifunctional electric measurement instrument with voice alarming function
08/29/2012CN202404140U 10 KV voltage isolation collection device based on APLC-C784
08/29/2012CN202404138U Magnetic sensitive electronic type mutual inductor
08/29/2012CN102650656A AC zero crossing signal collecting circuit
08/29/2012CN101622777B Load current detection in electrical power converters
08/28/2012US8253366 Signal status diagnosing device for control actuator as driven object
08/23/2012WO2012111362A1 Helical-shaped current sensor
08/23/2012WO2012110418A1 Method and system for measuring electrical quantity in electrical network
08/23/2012US20120212213 Non-invasive energy consumption monitoring
08/22/2012EP2490031A1 Method and system for measuring an electrical quantity in an electrical network
08/22/2012EP2366108B1 Construction system for an electrical current and/or voltage sensor
08/22/2012CN202395657U Power supply circuit of digital multimeter
08/22/2012CN202394689U Current mutual inductor for electric power distribution transformer pile head
08/22/2012CN202394688U Hollow coil shaft current transformer
08/22/2012CN202393826U Single-phase electronic type electric energy meter
08/22/2012CN202393814U Sampling circuit with operation amplification function
08/22/2012CN202393810U Magnetic concentrating ring device based on openable Hall current sensor and sensor
08/22/2012CN202393806U Measuring instrument meter with independent input end voltage jack
08/22/2012CN202393803U Multifunctional frequency modulation universal meter
08/22/2012CN202393802U Digital multimeter short-circuit test measuring range extension circuit
08/22/2012CN102648557A Electrical conductor casing provided with current sensors
08/22/2012CN102647089A 15V direct current booster device of pointer multimeter
08/22/2012CN102645567A Zero ampere level current data correction for power device under test
08/22/2012CN101680918B Optical VT device
08/22/2012CN101615496B Integrating type magnetic component
08/22/2012CN101533040B Monitor device for voltage input and current output
08/22/2012CN101292164B A sampling module and a method of sampling one or more analogue characteristics of a power transmission system
08/21/2012US8249819 Virtual binning
08/21/2012US8248066 Hall integrated circuit with adjustable hysteresis
08/21/2012CA2501270C Bias technique for electric utility meter
08/16/2012DE102011004118A1 Prüfanschluss für einen Stromwandler Test connection for a current transformer
08/15/2012EP2486554A1 Loads management and outages detection for smart grid
08/15/2012EP2486413A1 Electromagnetic measuring device for measuring electric current
08/15/2012CN202384167U Single-phase GIS (geographic information system) suspension structure electronic current-voltage combined transformer
08/15/2012CN202384166U Three-phase common-box GIS electronic-type voltage-current combined mutual inductor
08/15/2012CN202384165U Pillar electronic type current and voltage combined mutual inductor with vertical type coaxial capacitance structure
08/15/2012CN202384164U Low-voltage combined mutual inductor for preventing electric larceny
08/15/2012CN202383186U Current sampling circuit of MOSFET switch component
08/15/2012CN202383183U Universal meter suspension device
08/15/2012CN202383182U High-voltage capacitive divider for optical voltage transformer
08/15/2012CN202383181U Alternating-current signal conditioning circuit of residual current type electric fire protection monitoring detector
08/15/2012CN102640233A Shunt resistor and method for producing same
08/15/2012CN102636682A Device and method for measuring large current by optical fiber
08/15/2012CN102636675A Extra-high voltage suspension type optical current transformer
08/15/2012CN102636674A Current sensor with changeable measuring range
08/14/2012US8242771 Current sensing inductor and a circuit thereof
08/09/2012WO2012104270A1 Device and method for measuring an alternating voltage
08/08/2012EP2485061A1 Active core current sensor
08/08/2012CN202373447U Combined transformer for power system
08/08/2012CN202373444U Indoor reinforcing imported-technique post type current transformer
08/08/2012CN202373443U Indoor type potential transformer with fuse protection function
08/08/2012CN202372570U Three-phase four-wire multifunctional electric energy meter
08/08/2012CN202372569U Power parameter measuring device
08/08/2012CN202372555U All-fiber current transformer one-time structure
08/08/2012CN202372554U Electric parameter tester based on heavy-load power failure function of novel magnetic latching relay
08/08/2012CN202372553U Multimeter
08/08/2012CN102628889A Voltage sampling circuit
08/08/2012CN102628887A High-voltage electrode discharging current sensor
08/08/2012CN102628886A Nonlinear compensating circuit for passive biasing all-fiber current transformer
08/08/2012CN102628885A Multi-closed-loop optical fiber mutual inductor with plurality of analog-to-digital conversion units
08/08/2012CN102628884A Closed-loop optical fiber current transformer
08/08/2012CN102628883A Method and device for controlling guaranteed cost of optical voltage transformer
08/08/2012CN102628882A Multifunctional meter with voice broadcasting and digital/analog dual displaying functions
08/07/2012CA2689788C Matching turns ratio and resistance ratio in a transformer having a multilayer winding
08/02/2012WO2012101271A1 Monitoring arrangement and method for monitoring an electrical line
08/02/2012US20120194171 Active core current sensor
08/01/2012EP2481135A1 Electrical conductor casing provided with current sensors
08/01/2012EP2480901A1 Measuring transducer having an electrical transducer and a sensor
08/01/2012CN202363234U Current detection mutual inductor of plastic housing type circuit breaker
08/01/2012CN202363232U Dry-type direct current voltage transformer
08/01/2012CN202362488U Sensing fiber, sensing fiber ring and straight-through type all-fiber current sensor
08/01/2012CN202362392U Fiber electric field sensing head
08/01/2012CN202362376U Voltage loop signal processing circuit of three-phase electronic type electric energy meter
08/01/2012CN202362351U Three-phase inverter output line voltage detection device
08/01/2012CN202362346U Range dividing circuit for multi-range current
08/01/2012CN202362345U Standard capacitance divider and induced voltage measurement device
08/01/2012CN202362344U Power circuit of electric meter
08/01/2012CN102625916A Electrical power system sensor devices, electrical power system monitoring methods, and electrical power system monitoring systems
08/01/2012CN102623160A Epoxy resin poured insulated totally-enclosed current transformer of 35kV and below
08/01/2012CN102621370A Magnifying power adjusting circuit for MOA (Metal Oxide Arrester) resistive current detection system
08/01/2012CN102621369A Inductance ESR (equivalent series resistance) based electric current detection circuit with potential floating function
08/01/2012CN102621367A Pre-amplification circuit for MOA (metal oxide arrester) resistive current detecting system
08/01/2012CN101788583B Electrode structure of high impedance and broadband high-voltage divider
08/01/2012CN101666821B Multifunctional and intelligent alternating current meter
07/2012
07/31/2012US8232793 Method and apparatus of load detection for a planar wireless power system
07/26/2012WO2012098934A1 Current sensor
07/26/2012WO2012098099A1 An ac or dc power transmission system and a method of measuring a voltage
07/26/2012WO2012098054A1 Current measuring device
07/26/2012CA2825068A1 An ac or dc power transmission system and a method of measuring a voltage
07/25/2012EP2479583A2 Method of testing partial discharge of rotating electrical machine driven by inverter
07/25/2012EP2479581A1 An AC or DC power transmission system and a method of measuring a voltage
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