| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 07/25/2012 | EP2478531A1 Integrated circuit for transferring information |
| 07/25/2012 | EP2324363B1 Wide-range open-loop current sensor |
| 07/25/2012 | CN202352507U High voltage-side power supply device for electronic current transformer |
| 07/25/2012 | CN202352504U Multifunctional current transformer |
| 07/25/2012 | CN202351323U Electric power digital meter adopting Rogowski coil current transformer |
| 07/25/2012 | CN202351312U Zero crossing point detecting circuit of high frequency resonance current |
| 07/25/2012 | CN202351300U Electrician multimeter with spot lamp |
| 07/25/2012 | CN202351299U Multimeter with multifunctional toolbox |
| 07/25/2012 | CN202351298U Multifunctional process checkout equipment |
| 07/25/2012 | CN202351297U High-precision PCB (Printed Circuit Board) type direct-current voltage divider |
| 07/25/2012 | CN202351296U Power supply circuit of electric energy meter |
| 07/25/2012 | CN102611317A Pointer type universal meter direct-current booster |
| 07/25/2012 | CN102608397A Anti-separation high-voltage electroscope |
| 07/25/2012 | CN102608393A Current collecting device for photovoltaic confluence |
| 07/25/2012 | CN102608389A Measurement method and measurement system for VFTC (very fast transient current) |
| 07/25/2012 | CN102608380A Self-induced photoelectric mixed current transformer |
| 07/25/2012 | CN102608379A Middle-high voltage digital mutual inductor |
| 07/25/2012 | CN102608378A Converter of electronic capacitive divider |
| 07/25/2012 | CN102608377A Reference level and lift pressure circuit used for MOA (Metal Oxide Arrester) resistive current detection system |
| 07/25/2012 | CN102608376A Electronic self-diagnosing circuit and magnetic field detection device |
| 07/25/2012 | CN102226974B Voltage transformer capable of eliminating ferromagnetic resonance |
| 07/25/2012 | CN102064014B Multi-turn inverted current transformer |
| 07/25/2012 | CN101551415B Passive power distribution isolator and 0-20mA signal passive isolator |
| 07/24/2012 | US8229708 Methods and apparatus for signal and interference energy estimation in a communication system |
| 07/24/2012 | US8229688 Method and apparatus for detection using magnetic gradient tensor |
| 07/19/2012 | WO2012096863A1 System and method for monitoring current drawn by a protected load in a self-powered electronic protection device |
| 07/19/2012 | WO2012096240A1 Measurement device and measurement system |
| 07/19/2012 | WO2012096211A1 Current sensor |
| 07/19/2012 | WO2012095366A1 Insulator arrangement |
| 07/19/2012 | DE102011002756A1 Strommessvorrichtung zum Erfassen eines Stroms, Solarinverter und Verfahren zum Erfassen eines Stroms A current sensing device for detecting a current, solar inverter and method for detecting a current |
| 07/19/2012 | CA2823565A1 System and method for monitoring current drawn by a protected load in a self-powered electronic protection device |
| 07/18/2012 | CN202339369U 一种交流低频rms值转换装置 An AC rms value of the low-frequency conversion device |
| 07/18/2012 | CN202339368U 电能表分流器 Meter Shunt |
| 07/18/2012 | CN102597790A Device and method for detecting and processing signals relating to partial electrical discharges |
| 07/18/2012 | CN102590770A Suspension system and method for suspending an inner vessel inside an outer vessel of a cryostat |
| 07/18/2012 | CN102590696A Current transformer capable of preventing electricity from being stolen |
| 07/18/2012 | CN102590591A Detection circuit for monitoring state of current transformer |
| 07/18/2012 | CN102590587A Device and method for identifying short-circuit current of medium-voltage high-current direct current circuit breaker |
| 07/18/2012 | CN102590586A Photoelectric current transformer for supplying power for transmission line insulator |
| 07/18/2012 | CN102590585A Measuring device for large current of power grid |
| 07/18/2012 | CN102590584A Large current detecting device based on optical means |
| 07/18/2012 | CN102590583A System and method for measuring current of electric furnace |
| 07/18/2012 | CN102590578A Faraday mirror optical current transformer for transformer substation |
| 07/18/2012 | CN102590577A Full-optical fiber heterodyning current sensor |
| 07/18/2012 | CN102590576A Active photoelectric current transformer with wireless induction power supply function |
| 07/18/2012 | CN102590575A Total reflection optical voltage transformer for transformer substation |
| 07/18/2012 | CN102590574A Digital current transformer based on induction power supply and monitoring method for digital current transformer |
| 07/18/2012 | CN102590573A Resistive divider circuit and voltage detection circuit |
| 07/18/2012 | CN102590572A Laser pointer type current meter structure |
| 07/18/2012 | CN101915868B Acquisition circuit for improving acquisition precision of voltage signal |
| 07/18/2012 | CN101907654B Large dynamic weak current detection device for radiation detection |
| 07/18/2012 | CN101762733B Design method of high-impedance broadband high-voltage voltage divider |
| 07/18/2012 | CN101452013B Switch filter array box system |
| 07/12/2012 | WO2012093556A1 Magnetic-balance current sensor and method for manufacturing a magnetic-balance current sensor |
| 07/12/2012 | US20120176120 System and method for monitoring current drawn by a protected load in a self-powered electronic protection device |
| 07/12/2012 | DE202012102140U1 Strommessgerät mit der Funktion zur Kennung der Dreiphasen Current measuring device having a function of identifier of the three-phase |
| 07/11/2012 | EP2342572B1 Current sensor and current sensing method |
| 07/11/2012 | EP2319117B1 Device for numerically representing a voltage |
| 07/11/2012 | CN202332865U 一种光伏汇流和电流监测结构 A photovoltaic convergence and current monitoring structure |
| 07/11/2012 | CN202332564U 一种独立油浸倒立式电流互感器 An independent oil-immersed Inverted Current Transformer |
| 07/11/2012 | CN202330551U 单相三线键盘表的计量电路 Single-phase three-wire measurement circuit keyboard table |
| 07/11/2012 | CN202330546U 便携式电能测量降压装置 Portable power measuring blood pressure device |
| 07/11/2012 | CN202330542U 基于集成运放芯片的电压跟随电路 Follow op-amp chip integrated circuit based on the voltage |
| 07/11/2012 | CN202330540U 过零检测电路 Zero-crossing detection circuit |
| 07/11/2012 | CN202330528U 双轴磁通门电流传感器 Biaxial fluxgate current sensor |
| 07/11/2012 | CN202330527U 一种光学电场传感器 An optical electric field sensor |
| 07/11/2012 | CN202330520U 高电压的隔离采样电路 High voltage isolation sampling circuit |
| 07/11/2012 | CN202330519U 一种采用干涉闭环检测的磁光玻璃光学电流互感器 One kind of closed loop interference detection using magneto-optical glass optical current transformer |
| 07/11/2012 | CN202330518U Anti-induction electric operation cabinet for parameter test of overhead power transmission lines |
| 07/11/2012 | CN202330517U Multimeter with high sensitivity and wide measuring range |
| 07/11/2012 | CN202330516U 视频万用表 Video multimeter |
| 07/11/2012 | CN202330515U 一种多量程电流测量并行显示装置 A multi-range current measurement parallel display device |
| 07/11/2012 | CN202330514U 一种电线电缆导体电阻测试专用夹具 Conductor resistance of a wire and cable testing special fixtures |
| 07/11/2012 | CN202330473U 万用表专用支架 Multimeter Bracket |
| 07/11/2012 | CN102576039A Measuring transducer having an electrical transducer and a sensor |
| 07/11/2012 | CN102576038A Current sensing devices and methods |
| 07/11/2012 | CN102568170A Multimeter remote meter reading system |
| 07/11/2012 | CN102565558A Zinc oxide lightning arrester live-line test method |
| 07/11/2012 | CN102565521A High-precision wide-dynamic-range microwave signal level test device |
| 07/11/2012 | CN102565509A Multi-light-path reflecting optical fiber current sensor |
| 07/11/2012 | CN102565501A Pulse current detection circuit |
| 07/11/2012 | CN102565500A Voltage sensor |
| 07/11/2012 | CN102565499A Novel high voltage optical fiber sensing device |
| 07/11/2012 | CN102565496A Two-way transmission optical current sensor |
| 07/11/2012 | CN102565495A Optical fiber type current sensing device |
| 07/11/2012 | CN102565494A Universal meter |
| 07/11/2012 | CN102565493A Chargeable multimeter |
| 07/11/2012 | CN102565492A Multifunctional DC (Direct Current) meter for photovoltaic system |
| 07/11/2012 | CN102565491A Universal meter having data storage, display and output functions |
| 07/11/2012 | CN102565490A Multimeter capable of preventing wrong gear selection |
| 07/11/2012 | CN102565489A Remote-control electronic multimeter |
| 07/11/2012 | CN102565488A High-voltage AC (alternate current) and DC (direct current) voltage divider with heat dissipation structure |
| 07/11/2012 | CN102565487A Electronic type voltage transformer |
| 07/11/2012 | CN102565486A Resistance voltage divider |
| 07/11/2012 | CN102128966B Rogowski coil-based integrator circuit for electronic current transformer |
| 07/11/2012 | CN101361002B Device and method for converting digital signal with high-voltage swinging to digital signal with low-voltage swinging |
| 07/10/2012 | US8217644 High sensitivity differential current transformer for insulation health monitoring |
| 07/10/2012 | US8217642 Current sensor arrangement for measurement of currents in a primary conductor |
| 07/05/2012 | WO2012090631A1 Electromagnetic proportional current sensor |
| 07/05/2012 | WO2012090539A1 Current detecting device |