| 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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| 07/10/2013 | CN103197228A Integrated circuit testing device |
| 07/10/2013 | CN103197227A Wafer testing method used for design analysis purpose |
| 07/10/2013 | CN103197226A Assessment method of storage lives of lead bonding air-impermeability encapsulation analogue integrated circuits |
| 07/10/2013 | CN103197225A Testing method of single bus chip |
| 07/10/2013 | CN103197224A Multichannel OLED (Organic Light Emitting Diode) life testing system based on Howland current pump |
| 07/10/2013 | CN103197223A Device and method for testing macroscopic and microcosmic performances of solar battery through light introduction |
| 07/10/2013 | CN103197222A Method for testing leak currents of transistors |
| 07/10/2013 | CN103197221A Detection method of photovoltaic battery piece |
| 07/10/2013 | CN103197220A 200kV frequency modulating capacity modulating series resonance voltage boosting device |
| 07/10/2013 | CN103197219A Wire cable sine wave high frequency spark test circuit and wire cable sine wave high frequency spark test machine |
| 07/10/2013 | CN103197218A High-voltage cable insulation defect partial discharge electrification detection diagnostic method |
| 07/10/2013 | CN103197217A Ultrahigh frequency sensor for cable partial discharge online monitoring |
| 07/10/2013 | CN103197216A Cable joint partial discharge monitoring system based on optical fiber transmission |
| 07/10/2013 | CN103197215A System and method for discharge fault location of geographic information system (GIS) alternating current (AC) voltage withstand test |
| 07/10/2013 | CN103197214A Prefabricated power cable accessory alternating current power frequency withstand voltage detection method and prefabricated power cable accessory alternating current power frequency withstand voltage detection device |
| 07/10/2013 | CN103197213A Partial discharge measurement system |
| 07/10/2013 | CN103197212A Global information system (GIS) partial discharge on-line monitoring calibration instrument and configuration authentication method thereof |
| 07/10/2013 | CN103197211A Switch cabinet partial discharge itinerant detector |
| 07/10/2013 | CN103197210A Integrated sensor used for partial discharge detection of switch cabinet |
| 07/10/2013 | CN103197209A Partial discharge work frequency synchronization signal sensing device |
| 07/10/2013 | CN103197208A Two-channel solar blind ultraviolet imager capable of conducting field scanning |
| 07/10/2013 | CN103197207A Insulation supporting part electrical-ageing-resistance analysis method for high-voltage electrical appliances |
| 07/10/2013 | CN103197206A Electrical level scanning type ultrahigh frequency partial discharge on-line monitoring system and monitoring method |
| 07/10/2013 | CN103197205A Mobile warning method and system for lightning stroke damage to electric transmission line |
| 07/10/2013 | CN103197204A Mixed type method of multi-terminal circuit fault location |
| 07/10/2013 | CN103197203A Fault line selection method based on time domain waveform correlation analysis of three-phase current breaking variable |
| 07/10/2013 | CN103197202A Distribution network fault line selection method based on wavelet coefficient correlation analysis in three-phase breaking current component characteristic frequency band |
| 07/10/2013 | CN103197201A Low-resistance, medium-resistance and high-resistance grounding fault type recognition method of power transmission line |
| 07/10/2013 | CN103197200A Method and system for rapidly collecting and transmitting fault ranging information of power grid line |
| 07/10/2013 | CN103197199A Disconnection detection device and method |
| 07/10/2013 | CN103197198A Cable checker |
| 07/10/2013 | CN103197197A Extremely low power consumption digital circuit structure for open circuit detection and detection method thereof |
| 07/10/2013 | CN103197196A Battery micro-short low-temperature detection method |
| 07/10/2013 | CN103197195A Detecting method and detecting system for multipoint earthing of voltage second loop neutral conductor network |
| 07/10/2013 | CN103197194A Earth leakage lockout detecting circuit |
| 07/10/2013 | CN103197193A Method and system for determining grounding grid corrosion point |
| 07/10/2013 | CN103197192A Detection method and device for short circuit |
| 07/10/2013 | CN103197191A Multipurpose single phase socket wire-splice detector and application thereof |
| 07/10/2013 | CN103197190A Hole plate |
| 07/10/2013 | CN103197189A Load fuse wire detecting device and power system |
| 07/10/2013 | CN103197188A Battery current sensor fault diagnosis system and method thereof |
| 07/10/2013 | CN103197187A Verifying equipment for detector power supply and distribution test system |
| 07/10/2013 | CN103197186A Realtime prediction method for electronic product degradation state |
| 07/10/2013 | CN103197185A Transformer automatic testing machine and implementation method thereof |
| 07/10/2013 | CN103197184A Fault wave recording device with impact load considered |
| 07/10/2013 | CN103197183A Method for correcting uncertainty of independent component analytical method in electromagnetic interference separation |
| 07/10/2013 | CN103197182A Marking method of time marks when power quality long-time recording data are stored |
| 07/10/2013 | CN103197181A Shielding electrode model assembly and application thereof |
| 07/10/2013 | CN103197180A Intelligent component used for gas insulated switchgear (GIS)/ breaker |
| 07/10/2013 | CN103197179A Power quality detecting terminal used for power grids |
| 07/10/2013 | CN103197178A Device and method of on-line monitoring of transformer direct current magnetic bias |
| 07/10/2013 | CN103197177A Transformer fault diagnosis analysis method based on bayesian network |
| 07/10/2013 | CN103197176A High voltage direct current transmission valve control equipment testing system and method |
| 07/10/2013 | CN103197175A Confirming method of same frequency multiple interference for electromagnetic coupling weak path |
| 07/10/2013 | CN103197174A All-in-one measuring device of energy-storage and grid-connected system |
| 07/10/2013 | CN103197173A Test method of capacitance touch screen |
| 07/10/2013 | CN103197172A Direct current protection system reliability assessment method in 'two from three' mode |
| 07/10/2013 | CN103197171A Evaluation method for paper oil insulation aging state through characteristic parameters based on time domain dielectric response |
| 07/10/2013 | CN103197170A Test method, test device, control device and system of voltage stabilizer |
| 07/10/2013 | CN103197169A Lightning arrester comprehensive performance detection circuit |
| 07/10/2013 | CN103197168A Fault diagnosis control method in power system based on event set causal chain |
| 07/10/2013 | CN103197167A Parameter design method for load electric reactor of maximum metal condition (MMC) valve steady-state operation testing device |
| 07/10/2013 | CN103197166A Self-diagnostic apparatus and method for electric device |
| 07/10/2013 | CN103197165A Test head |
| 07/10/2013 | CN103197164A Detection system for indicator lights |
| 07/10/2013 | CN103197163A Integrated tester |
| 07/10/2013 | CN103197162A Multiple switch parameter fault diagnosis method based on template matching |
| 07/10/2013 | CN103197144A Three-phase power phase sequence detection method for invertion device |
| 07/10/2013 | CN103197127A Grounding step voltage detecting method and grounding step voltage detecting device of high-voltage equipment of switch gear room of converting station |
| 07/10/2013 | CN103197115A Method of voltage correction of rechargeable battery pack |
| 07/10/2013 | CN103196947A Thermoelectric performance measuring device and measuring method of thermoelectric refrigeration chip |
| 07/10/2013 | CN103196496A Automatic monitoring and protecting device for oil temperature and oil level of power transformer |
| 07/10/2013 | CN103196495A Vacuum section switch fault pre-warning system for urban and rural power supply line |
| 07/10/2013 | CN103196484A Verifying device for electric actuator |
| 07/10/2013 | CN103191868A Automatic detection equipment for potentiometer |
| 07/10/2013 | CN102507042B Method for embedding optical fiber sensor in intelligent grid power cable |
| 07/10/2013 | CN102484388B Charge control device for vehicle, and electric vehicle provided with same |
| 07/10/2013 | CN102466776B Batch testing method for complex programmable logic device |
| 07/10/2013 | CN102435912B Method for positioning fault disturbance point in power grid |
| 07/10/2013 | CN102426335B Method for automatically generating test pattern vector of DSP (Digital Signal Processor) device |
| 07/10/2013 | CN102375116B Rotor detection device and detection method thereof |
| 07/10/2013 | CN102375107B Method and device for detecting fault electric arc based on time-frequency comprehensive analysis |
| 07/10/2013 | CN102353883B High temperature aging device for microwave transistor |
| 07/10/2013 | CN102331274B Data acquisition circuit |
| 07/10/2013 | CN102253332B Striking-force test fixture for keyboard lines |
| 07/10/2013 | CN102253328B Method for analyzing failure of bit lines in memory chip |
| 07/10/2013 | CN102253301B Analog circuit fault diagnosis method based on differential evolution algorithm and static classification of echo state network |
| 07/10/2013 | CN102169144B Direct-current interference testing device and system |
| 07/10/2013 | CN102135603B Device for estimating cycle life of battery |
| 07/10/2013 | CN102129043B Method and device for testing dynamic characteristic of inverter welding machine |
| 07/10/2013 | CN102095899B Wiring device and current mutual inductance testing system |
| 07/10/2013 | CN102077099B Open loop load pull arrangement with determination of injections signals |
| 07/10/2013 | CN102073004B Method for testing reliability of semiconductor devices |
| 07/10/2013 | CN102033173B Method for studying dielectric property of cell by using ultrasonic pulse dynamic electricity |
| 07/10/2013 | CN102004182B System and implementation method for monitoring grounding current of transformer core on line |
| 07/10/2013 | CN101995539B Operating method of test apparatus |
| 07/10/2013 | CN101923138B AT (Autotransformer) line fault ranging system with built-bin GPS (Global Positioning System) module |
| 07/10/2013 | CN101788637B Multifunctional performance parameter test device of heat-conducting and insulating material and design method thereof |
| 07/10/2013 | CN101685123B Computing method of broadband interference influence of non-linearity of power amplifier on communication system |
| 07/10/2013 | CN101576565B Location test system for defects of integrated circuit |