| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 06/20/2012 | CN102508007A Dynamic method for measuring surface property parameters of substance |
| 06/20/2012 | CN102508006A Step voltage multipoint fitting test method |
| 06/20/2012 | CN102508005A Safe wireless transmission current measuring device |
| 06/20/2012 | CN102508004A Power voltage monitoring circuit |
| 06/20/2012 | CN102508003A Combined electricity meter and method for measuring current, voltage and power factor |
| 06/20/2012 | CN102508002A Plasma density measuring equipment of high temperature resistant embedded double-probe type |
| 06/20/2012 | CN102508001A Current detecting device for ship stern shaft |
| 06/20/2012 | CN102508000A Electroencephalogram (EEG) neural signal detector impedance test and activation matching system |
| 06/20/2012 | CN102507999A Method for treating electrical quantity during bypass substitution of substation |
| 06/20/2012 | CN102507997A Measuring circuit |
| 06/20/2012 | CN102507992A Test line for testing charging current and downloaded data |
| 06/20/2012 | CN102507023A Cable-type temperature display |
| 06/20/2012 | CN102501210A Multipurpose electric screwdriver |
| 06/20/2012 | CN101881792B Transient sinusoidal signal sequence component access method of electric power system |
| 06/20/2012 | CN101860013B Motor protective device |
| 06/20/2012 | CN101819257B Generator rotor parameter measuring device |
| 06/20/2012 | CN101762337B Multi-stage thermal-link sensor of bearing, detection circuit comprising same and detection method |
| 06/20/2012 | CN101710149B System for measuring current density of oil gas pipeline |
| 06/20/2012 | CN101701992B Electrified tester of digital wireless type zinc oxide arrester |
| 06/20/2012 | CN101650387B Envelope detector for high speed applications |
| 06/20/2012 | CN101499672B Battery system for vehicle, on-vehicle battery module, and cell controller |
| 06/20/2012 | CN101488662B System and method for fault isolation and leakage current detection |
| 06/20/2012 | CN101294992B Semiconductor device having differential signal detection circuit for entry into mode other than normal operation |
| 06/19/2012 | US8203326 Position sensor |
| 06/19/2012 | US8203325 Activation systems and methods to initiate HDMI communication with mobile sources |
| 06/14/2012 | WO2012078613A2 Electrochemical cell monitoring and balancing circuit with self-diagnostic feature |
| 06/14/2012 | WO2012078601A1 Measuring isolated high voltage and detecting isolation breakdown with measures for self-detection of circuit faults |
| 06/14/2012 | WO2012075887A1 Current measuring device and current measuring method |
| 06/14/2012 | US20120146620 Current sensor |
| 06/14/2012 | US20120146508 Measuring and controlling parameters of a plasma generator |
| 06/14/2012 | US20120146463 Reconfigurable Printed Circuit Sensor Systems |
| 06/14/2012 | DE102009020341B4 Integrierte elektronische Vorrichtung und Verfahren zum Detektieren einer kapazitiven Last Integrated electronic device and methods for detecting a capacitive load |
| 06/13/2012 | EP2463669A1 Tension detection module |
| 06/13/2012 | CN202276182U 用于楼宇对讲系统的智能电源装置 Intelligent power devices for building intercom system |
| 06/13/2012 | CN202275151U 一种用于直流电源柜的交流控制器 AC controller for a DC power cabinet |
| 06/13/2012 | CN202275124U 一种基于无线传感器网络的避雷器在线监测系统 Based on wireless sensor networks arrester on-line monitoring system |
| 06/13/2012 | CN202275123U 鉴相鉴幅漏电保护器动作特性测试仪 Phase amplitude leakage protection tester operating characteristics |
| 06/13/2012 | CN202275122U 通用型氧化锌避雷器检测仪 Universal MOA detector |
| 06/13/2012 | CN202275111U 瞬态波全电压故障录波在线检测装置 Transient Voltage Disturbance on full-line detection device |
| 06/13/2012 | CN202275110U 新型氧化锌避雷器检测仪 The new MOA detector |
| 06/13/2012 | CN202275109U 笔形数字直流电流单用表 Pen-shaped digital DC current Single Table |
| 06/13/2012 | CN202275108U 雷电峰值电压在线记录仪 Lightning peak voltage line recorder |
| 06/13/2012 | CN202275107U 一种照明测电笔 A lighting test pencil |
| 06/13/2012 | CN202275106U 电压、电流信号采样板 Voltage and current signals sampling plate |
| 06/13/2012 | CN202275105U 自保险宽频电压信号采集装置 Self-insurance broadband voltage signal acquisition device |
| 06/13/2012 | CN102498406A High linear fast peak detector |
| 06/13/2012 | CN102497029A Parallel medium resistance line selection apparatus based on IEC 61850 standard and method thereof |
| 06/13/2012 | CN102496913A Circuit test system and circuit test and protection method for direct-current traction power supply feeder unit |
| 06/13/2012 | CN102496446A Zero magnetic flux direct-current current transformer |
| 06/13/2012 | CN102495962A Short-circuit failure current model and current zero prediction algorithm based on same |
| 06/13/2012 | CN102495348A Fault detection circuit and method |
| 06/13/2012 | CN102495322A Synchronous performance test method for digital relay protection device based on IEC61850 (International Electrotechnical Commission 61850) |
| 06/13/2012 | CN102495321A Method for generating and identifying non-linear signal in semiconductor non-linear oscillation system |
| 06/13/2012 | CN102495304A Detection and protection circuit for EOL state of HID light source |
| 06/13/2012 | CN102495303A Method and device for determining main responsible party of voltage flicker |
| 06/13/2012 | CN102495275A High-precision current detection circuit based on CPU (Central Processing Unit) |
| 06/13/2012 | CN102495274A Current acquisition circuit for electric automobile power batteries |
| 06/13/2012 | CN102495273A Single current transformer (CT) input dual-precision sampling measuring and protecting integrated device |
| 06/13/2012 | CN102495272A Testing method for lightning counters |
| 06/13/2012 | CN102495271A Power testing pencil |
| 06/13/2012 | CN102495270A Satellite reception control signal detection circuit |
| 06/13/2012 | CN102495269A Electrolyte measurement sensor and electrolyte charge state measurement method for vanadium Redox battery |
| 06/13/2012 | CN102495268A Multichannel battery sampling circuit and sampling method thereof |
| 06/13/2012 | CN102495267A Alternating current detection circuit and automatic power-off circuit with zero power-off power consumption |
| 06/13/2012 | CN102495266A Ion current detection device for magnetic deflection mass spectrograph |
| 06/13/2012 | CN102495265A Current sampling circuit of metal oxide semiconductor field effect transistor (MOSFET) switch element |
| 06/13/2012 | CN102495264A Voltage dip duration detection method based on information entropy |
| 06/13/2012 | CN102495263A High temperature superconducting motor magnet performance test device |
| 06/13/2012 | CN102495262A Improved calculation method for classical assumption of short-circuit current |
| 06/13/2012 | CN102495261A Low-voltage detection circuit capable of working intermittently |
| 06/13/2012 | CN102495260A Temperature drift compensation optical current transformer and current compensation method thereof |
| 06/13/2012 | CN102495259A Relay protection distributed terminal isolation sensing circuit |
| 06/13/2012 | CN102495257A Method for automatically computing remote measuring conversion factor of sampling terminal |
| 06/13/2012 | CN101876684B Failure detecting and protecting method of controlled silicon and device thereof |
| 06/13/2012 | CN101847305B All-around current electrical fire alarm monitor of 400V low-voltage distribution network |
| 06/13/2012 | CN101782603B Flat-plate VFTO measuring sensor |
| 06/13/2012 | CN101726708B Battery voltage data acquisition system |
| 06/13/2012 | CN101696986B Fault arc detection method and protection device adopting same |
| 06/13/2012 | CN101509941B Accumulator anti-theft device, method and accumulator theftproof system in communication network |
| 06/13/2012 | CN101473244B Sensor and system for sensing an electron beam |
| 06/13/2012 | CN101286704B Determining average output current in dc-dc converter |
| 06/12/2012 | USRE43461 Systems and methods for load detection and correction in a digital amplifier |
| 06/12/2012 | US8198870 System and method for performing ultracapacitor cell balancing |
| 06/12/2012 | DE202008018257U1 Auswertung schneller Stromänderungen Evaluation of fast current changes |
| 06/12/2012 | CA2414750C Method and apparatus employing a scaling factor for measuring and displaying an electrical parameter of an electrical system |
| 06/07/2012 | WO2012075059A2 Appliance network connectivity apparatus |
| 06/07/2012 | US20120143544 Photoelectric conversion element, photoelectric conversion apparatus and solid-state imaging apparatus |
| 06/07/2012 | US20120140956 Differential microphone circuit |
| 06/07/2012 | US20120140538 Synchronous rectifier bi-directional current sensor |
| 06/07/2012 | US20120139554 Power Conductor Monitoring Device and Method of Calibration |
| 06/07/2012 | US20120139553 Electrochemical cell monitoring and balancing circuit with self-diagnostic feature |
| 06/07/2012 | US20120139526 Voltage detection circuit |
| 06/06/2012 | EP2461173A1 Apparatus for managing electricity storage capacity |
| 06/06/2012 | EP2460022A1 Device and method for providing electrical energy at a load circuit |
| 06/06/2012 | EP2460021A1 Method and device for determining a charge status of a battery using a fluxgate sensor |
| 06/06/2012 | CN202268691U 中置式开关柜过电压吸收装置 In the home-absorbing device over-voltage switchgear |
| 06/06/2012 | CN202268621U 高压开关柜的电压计量回路 High Voltage Switchgear voltage measurement circuit |
| 06/06/2012 | CN202268620U 高压开关柜的电压测量回路 High Voltage Switchgear voltage measurement circuit |
| 06/06/2012 | CN202267721U 一种带有gprs模块的避雷器在线监测装置 An arrester line monitoring device gprs module with the |
| 06/06/2012 | CN202267718U 一种多功能避雷器监测器 A multifunctional arrester monitor |