Patents
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)
02/2014
02/12/2014CN103576067A Bias voltage temperature instability testing circuit and testing method thereof
02/12/2014CN103576066A Method for measuring service life of hot carrier of semiconductor device
02/12/2014CN103576065A Test circuit of transistor threshold voltage
02/12/2014CN103576064A Insulation detection circuit with calibration module and calibration method thereof
02/12/2014CN103576063A Testing device and testing method suitable for testing performance of insulation sleeve
02/12/2014CN103576062A Wireless frequency conversion resonance withstand voltage testing device and testing method thereof
02/12/2014CN103576061A Method for discharge fault diagnosis of transformer
02/12/2014CN103576060A Partial discharge signal denoising method based on wavelet adaptive threshold
02/12/2014CN103576059A Integrated fault diagnosis method and system for turn-to-turn discharging of transformer
02/12/2014CN103576058A Insulation detection device and insulation detection method of PCB
02/12/2014CN103576057A On-line insulation monitoring system and on-line insulation monitoring method
02/12/2014CN103576056A System for monitoring operating state of electric transmission line
02/12/2014CN103576055A High-voltage transmission line patrol detecting system and method based on multiple aircrafts
02/12/2014CN103576054A On-line fault early-warning method of XLPE power cable
02/12/2014CN103576053A Voltage sag source locating method based on limited electric energy quality monitoring points
02/12/2014CN103576052A System and method for determining direct-current system fault branch circuits needing to be in in-series connection with alternating currents
02/12/2014CN103576051A Inspection tester for motor winding interturn short circuit
02/12/2014CN103576050A Operating state assessment method of capacitor voltage transformer
02/12/2014CN103576049A Converter valve fault current analysis method
02/12/2014CN103576048A Possible faulty line set extracting method for positioning voltage sag source
02/12/2014CN103576047A Cable detector
02/12/2014CN103576046A Storage battery system having storage battery protector and diagnostic device, and diagnostic method thereof
02/12/2014CN103576045A Directional detection of a sensitive medium-voltage earth fault by linear correlation
02/12/2014CN103576044A Electric leakage detecting apparatus
02/12/2014CN103576043A Electric leakage detecting appratus
02/12/2014CN103576042A Electrical leakage diagnosis apparatus for vehicle using insulation resistance sensor and control method thereof
02/12/2014CN103576041A Method and device for detecting electrical equipment secondary circuit
02/12/2014CN103576040A On-site wiring error diagnosis and elimination system and method for electronic product
02/12/2014CN103576039A Method for finding open circuit at the top of connection hole
02/12/2014CN103576038A Wireless insulator detection device
02/12/2014CN103576037A Testing method based on intelligent testing platform of hydraulic generator microprocessor protection device
02/12/2014CN103576036A Comprehensive quality evaluation technology for grid-connected photovoltaic (PV) power generation system
02/12/2014CN103576035A Heating tile testing table
02/12/2014CN103576034A Detection device of charger power module
02/12/2014CN103576033A 超导磁体模拟系统 Superconducting magnet simulation system
02/12/2014CN103576032A On-line detection device and method of power device
02/12/2014CN103576031A Chip special for energy efficiency service and application method thereof
02/12/2014CN103576030A Transformer on-line monitoring sensor
02/12/2014CN103576029A Device for testing aging of automotive electronic product
02/12/2014CN103576028A Electromagnetic shielding effectiveness testing system under live room condition and testing method thereof
02/12/2014CN103576027A Debug method based on substation integrated automation and relaying protection system integration
02/12/2014CN103576026A Detection device for vehicle-mounted charger
02/12/2014CN103576025A Detection test system for energy storage power station grid connection
02/12/2014CN103576024A Portable switch indication simulation case
02/12/2014CN103576023A System and method for testing electronic device
02/12/2014CN103576022A On-line monitoring system for use with electrical assets and method of operating same
02/12/2014CN103576021A Integrated movable type resistance-capacitance device
02/12/2014CN103576020A Power quality monitoring system based on network
02/12/2014CN103576019A Testing tool, system and method of electrical equipment
02/12/2014CN103576018A Testing tool, system and method of electrical equipment
02/12/2014CN103576017A Control circuit for low temperature testing on cables
02/12/2014CN103576016A USB interface detection system and method
02/12/2014CN103576015A 转台 Turntable
02/12/2014CN103576014A Clock monitoring device and monitoring method of transformer substation
02/12/2014CN103576013A Measurement and control system capable of isolating strong impulse interference
02/12/2014CN103576012A Multi-azimuth inductor detecting device
02/12/2014CN103576011A Detection device of inductor
02/12/2014CN103576010A Power-on device for air-conditioner test running and power-on method thereof
02/12/2014CN103576009A Accelerated storage life test method for multi-layer ceramic dielectric capacitors
02/12/2014CN103576008A Electronic device capable of indicating hardware fault through sound, and method
02/12/2014CN103576007A Carbon fiber reinforced core overhead insulated cable current-carrying capacity heating test device and test method thereof
02/12/2014CN103576006A Conductor overload body feeling tester
02/12/2014CN103576001A Detection method of filter capacitor of input circuit of automobile electronic module
02/12/2014CN103575993A Sampled data processing method combining PMU dynamic data processing
02/12/2014CN103575967A Method and system for isolating voltage sensor errors from contactor errors in an electrical system
02/12/2014CN103575957A High efficiency energy harvester and methods thereof
02/12/2014CN103575945A Novel throw load voltage wave restraining device
02/12/2014CN103575944A Anechoic chamber
02/12/2014CN103575940A Light-emitting diode testing device
02/12/2014CN103575937A Air pressure type test device and test equipment using same
02/12/2014CN103575936A Synchronous generator stator winding detection rack
02/12/2014CN103575544A Method and apparatus for periodic onboard compliance testing
02/12/2014CN103575515A Diagnosing injector failure via stack voltage response analysis
02/12/2014CN103569624A Electronic component carrying device and electronic component testing device
02/12/2014CN102621462B Multiway cable insulation detection method based on multiway cable rapid insulation detection system
02/12/2014CN102608394B Line corona current measurement system and method
02/12/2014CN102590762B Information entropy principle-based method for fault diagnosis of switch power supply
02/12/2014CN102508145B Method for measuring CCD (Charge Coupled Device) chip dark current and double temperature constant
02/12/2014CN102508061B Power shortage estimation method based on wide area phasor measurement system
02/12/2014CN102495310B Testing method of COG (chip on glass) product of PMOLED (passive matrix organic light emitting diode) based on tape carrier package
02/12/2014CN102445644B SPICE (Simulation Program with Integrated Circuit Emphasis) testing structure of MOS (Metal Oxide Semiconductor) device
02/12/2014CN102445625B Fuse wire detection device
02/12/2014CN102435888B Comprehensive test bench for testing anticipated short-circuit current thermal stability and thermal trip of SPD (surge protection device)
02/12/2014CN102401876B Testing system and testing method for optoelectronic integrated circuit chip
02/12/2014CN102393506B Monitoring system of tripping pulse of breaker
02/12/2014CN102346211B Alternating-current (AC) real current detection apparatus and detection method thereof
02/12/2014CN102169769B Conductive contact surface performance online diagnosing and repairing system and using method thereof
02/12/2014CN102074398B Full-isolated real-time online diagnosis repairing system for conductive contact surface performance and use method thereof
02/12/2014CN102057288B Test module, test device, and test method
02/12/2014CN102023273B Portable domestic photo voltaic power station performance tester
02/12/2014CN102013793B Method for triggering thyristor for converter valve module test
02/12/2014CN101952733B Method for testing microelectronic circuit, tester device and portable assembly device
02/12/2014CN101883991B Method and apparatus for describing components adapted for dynamically modifying scan path for system-on-chip testing
02/12/2014CN101763901B On-wafer self-test and self-repair method
02/11/2014US8650606 Cable communication systems and methods employing 256-QAM upstream channels and having increased upstream capacity for supporting voice and/or data services
02/11/2014US8650447 Apparatus and methods for controlled error injection
02/11/2014US8650411 Energy management for an electronic device
02/11/2014US8649993 Multi-domain execution of tests on electronic devices
02/11/2014US8649988 Service life estimation method for lead storage battery and power source system
02/11/2014US8649935 Battery system for vehicle, on-vehicle battery module, and cell controller