| Patents for G01R 31 - Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere (152,264) |
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| 04/24/2013 | CN103064017A Sulfur hexafluoride (SF6) density relay transmission test control device |
| 04/24/2013 | CN103064016A Fault protection method for steady-state operation testing apparatus of modular multilevel converter (MMC) valve |
| 04/24/2013 | CN103064015A Single-phase relay calibrator with low-circle low-voltage lightening protection functions and test method |
| 04/24/2013 | CN103064014A Elevator door interlock switch intelligent tester and test method thereof |
| 04/24/2013 | CN103064013A Integrated circuit testing method based on fault models |
| 04/24/2013 | CN103064012A Chip detector for digital electronic watches |
| 04/24/2013 | CN103064011A Radio frequency identification devices (RFID) reader chip process testing system and method |
| 04/24/2013 | CN103064010A Parameter estimation method for artificial circuit fault component based on Hilbert-Huang transforming (HHT) |
| 04/24/2013 | CN103064009A Artificial circuit fault diagnosis method based on wavelet analysis and limited gauss mixed model expectation maximization (EM) method |
| 04/24/2013 | CN103064008A Nolinear analog circuit soft fault diagnostic method based on Hilbert-huang transform |
| 04/24/2013 | CN103064007A Go-no-go test device and test method for intelligent card |
| 04/24/2013 | CN103064006A Testing device for integrated circuit |
| 04/24/2013 | CN103064005A Performance testing method of low power consumption chip |
| 04/24/2013 | CN103064004A Chip-level testing device |
| 04/24/2013 | CN103064003A Variable frequency motor drive circuit test method |
| 04/24/2013 | CN103064002A Fast calibration method of crystal oscillator temperature compensation chip |
| 04/24/2013 | CN103064001A Detecting method and detecting device of driving board of inverter compressor |
| 04/24/2013 | CN103064000A Threshold voltage distribution monitoring device and method of metal oxide semiconductor (MOS) tube array |
| 04/24/2013 | CN103063999A De-embedding method |
| 04/24/2013 | CN103063998A Portable solar cell J-V curve measuring instrument |
| 04/24/2013 | CN103063997A Testing system and method for testing ageing resistance of solar photovoltaic modules |
| 04/24/2013 | CN103063996A Testing device of back-contacted solar cell piece |
| 04/24/2013 | CN103063995A Method for predicating reliability service life of silicon on insulator (SOI) metal-oxide -semiconductor field effect transistor (MOSFET) device |
| 04/24/2013 | CN103063994A High vacuum test container and medium discharge test device comprising the same |
| 04/24/2013 | CN103063993A Oscillatory wave system and protective relaying type detection impedor and detection impedance protective device |
| 04/24/2013 | CN103063992A Oscillatory wave system |
| 04/24/2013 | CN103063991A Oil-immersed transformer insulation paper polymerization degree test method based on return voltage |
| 04/24/2013 | CN103063990A Sand and dust weather simulation testing system |
| 04/24/2013 | CN103063989A Transformer oil paper insulation state testing device and control method based on return voltage method |
| 04/24/2013 | CN103063988A Power bearing capacity testing method for surface mounting passive microwave circuit |
| 04/24/2013 | CN103063987A Test method of dry type smoothing reactor end-to-end medium-frequency oscillator capacitor discharge |
| 04/24/2013 | CN103063986A Halogen tungsten light high pressure shocking detecting device |
| 04/24/2013 | CN103063985A Very fast transient overvoltage horizontal identification method |
| 04/24/2013 | CN103063984A Power distribution network single-phase earth fault line selection method based on line double-terminal negative sequence current |
| 04/24/2013 | CN103063983A On-line mixing determination method of primary system and secondary system of power distribution network |
| 04/24/2013 | CN103063982A Dv/dt transformer polarity tester and testing method thereof |
| 04/24/2013 | CN103063981A Motor repairing boarding line testing device and method |
| 04/24/2013 | CN103063980A Phase loss alarm apparatus |
| 04/24/2013 | CN103063979A Load open-circuit detection circuit |
| 04/24/2013 | CN103063978A Detection method and device for short circuit |
| 04/24/2013 | CN103063977A Water turbine guide vane shear pin annunciator testing appliance |
| 04/24/2013 | CN103063976A Method and system of fault detection of silicon through holes by using bisection method |
| 04/24/2013 | CN103063975A Open circuit and short circuit testing system and method |
| 04/24/2013 | CN103063974A On-line monitoring method and device of distribution transformer turn-to-turn short circuit |
| 04/24/2013 | CN103063973A Intelligent electricity wire signal-checking appliance |
| 04/24/2013 | CN103063972A Photovoltaic grid-connected inverter direct current reverse-connection prevention detection system |
| 04/24/2013 | CN103063971A Drilling detection circuit and detection device using the same |
| 04/24/2013 | CN103063970A Electric Locomotive screen cabinet motion test simulator |
| 04/24/2013 | CN103063969A Alternating current power supply distribution unit alarm device used for communication |
| 04/24/2013 | CN103063968A Convertor station electrical equipment status integrated online monitoring system |
| 04/24/2013 | CN103063967A Switching room user identification method and switching room user identification device |
| 04/24/2013 | CN103063966A Photovoltaic power generation test system |
| 04/24/2013 | CN103063965A Quantitative evaluation method for electromagnetic compatibility equilibrium state of residual empowerment summation |
| 04/24/2013 | CN103063964A Device layout adjustment method based on ultrashort wave frequency range radiation exposure measurement |
| 04/24/2013 | CN103063963A Testing method of transformer capacity |
| 04/24/2013 | CN103063962A Electrical appliance radiation electromagnetic compatibility obtaining method based on living area exposure limiting value |
| 04/24/2013 | CN103063961A Single event effect testing device and system |
| 04/24/2013 | CN103063960A Household electric energy quality monitoring and control device |
| 04/24/2013 | CN103063959A Bed-of-nails tool for detecting circuit board |
| 04/24/2013 | CN103063958A Explosive-proof intrinsically safe high-voltage frequency converter comprehensive test system for mines |
| 04/24/2013 | CN103063957A Surface mounting microwave component automatic test system |
| 04/24/2013 | CN103063956A 电钻角磨机老化测试设备 Drill grinder aging test equipment |
| 04/24/2013 | CN103063955A Differential undervoltage relay no-load test detecting device |
| 04/24/2013 | CN103063954A Multi-sensor array monitoring system on states of power equipment |
| 04/24/2013 | CN103063953A Energy efficiency testing system of electric car non-vehicle-mounted charging machine |
| 04/24/2013 | CN103063952A Line loss concentrator |
| 04/24/2013 | CN103063951A Rapid aging method of high-voltage direct current divided conductor |
| 04/24/2013 | CN103063950A Test system and test method for electrical properties of memristor component unit |
| 04/24/2013 | CN103063949A Capacitor mismatch detection circuit and method |
| 04/24/2013 | CN103063948A Electric energy gathering terminal function testing system and method |
| 04/24/2013 | CN103063947A Pumping unit balance degree testing system |
| 04/24/2013 | CN103063946A Shore base simulation platform system based on seafloor observatory network |
| 04/24/2013 | CN103063945A Flexible direct current transmission sub-module test device and test method thereof |
| 04/24/2013 | CN103063944A Vehicle electric transmission device test platform |
| 04/24/2013 | CN103063943A System and method of detecting electric performance of photovoltaic inverter |
| 04/24/2013 | CN103063942A Cycle detection method of HB 6096 bus interface |
| 04/24/2013 | CN103063941A Method and apparatus for detecting anti-interference intensity of electrical / electronic equipment |
| 04/24/2013 | CN103063940A Zinc oxide nonlinear resistor characteristic equation and equation constant determination method |
| 04/24/2013 | CN103063939A Ground cascade system external radio frequency electromagnetic environment test method |
| 04/24/2013 | CN103063938A Point-of-sale (POS) machine automatic testing device |
| 04/24/2013 | CN103063937A Analog quantity converter test bench |
| 04/24/2013 | CN103063930A Measuring system and measuring method for loss and temperature rise of transformer structural components |
| 04/24/2013 | CN103063924A Vehicle-mounted integral three-phase direct-current resistance and transformation ratio and load comprehensive testing device and method |
| 04/24/2013 | CN103063922A Resistor-capacitor measurement module applied to flying probe tests |
| 04/24/2013 | CN103063921A Testing device for testing wafers for electronic circuits and related method |
| 04/24/2013 | CN103063890A Manufacture method for service life totalization device of air cooling klystron |
| 04/24/2013 | CN103063888A Trigger time sequence system of Microsoft management console (MMC) valve overflow shutoff test and test method thereof |
| 04/24/2013 | CN103063887A Testing method, tool and device with probe automatically aligned at electrode |
| 04/24/2013 | CN103063886A Probe card for probing integrated circuit |
| 04/24/2013 | CN103063885A Electronic transformer high-voltage insulation test fixture |
| 04/24/2013 | CN103063682A Cold infrared automatic detector used for solar cell module |
| 04/24/2013 | CN103063677A Multifunctional printed circuit board (PCB) test system |
| 04/24/2013 | CN103063559A Accelerated electrocorrosion test device of direct-current porcelain insulator iron cap |
| 04/24/2013 | CN103063405A instrument used for testing response speed of liquid crystal display (LCD) product |
| 04/24/2013 | CN103063396A Test method for reliability of polymer battery |
| 04/24/2013 | CN103057433A Method for detecting unit cells of grouped cells in electric automobile under working state |
| 04/24/2013 | CN102298101B Detection device for bus connection |
| 04/24/2013 | CN102213740B Middle-high voltage electric power circuit fault detection method and system of unilateral power supply under power failure state |
| 04/24/2013 | CN102183700B Controllable loading spectrum hydraulic loading method and loading device therefor |
| 04/24/2013 | CN102175941B Optical coupler measurement device capable of directly displaying current transfer ratio |