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)
06/2014
06/11/2014CN103852721A Inclination-preventing key tester
06/11/2014CN103852720A Switch life test device
06/11/2014CN103852719A Key switch on-off counting circuit
06/11/2014CN103852718A Testing system and method for keyboard
06/11/2014CN103852717A Visual portable high-voltage circuit breaker mechanical characteristic recording method
06/11/2014CN103852716A Method for detecting mechanical characteristics of high-precision and large-capacity circuit breaker
06/11/2014CN103852715A Logic pen capable of reducing test error
06/11/2014CN103852714A Integrated circuit, test equipment and RF testing system
06/11/2014CN103852713A Semiconductor device
06/11/2014CN103852712A Graphical test system used for testing embedded type core board
06/11/2014CN103852711A Structure of probe station and method of testing wafer by using probe station
06/11/2014CN103852710A Contrapositive electronic-assembly operating device
06/11/2014CN103852709A Test system and method of circuit board function and electronic component on circuit board
06/11/2014CN103852708A Method for measuring electron gain factor of charge coupled device
06/11/2014CN103852707A Power semiconductor chip testing tool
06/11/2014CN103852706A Method for determining juntion temperature of power semiconductor taking into account the degradation and means for implementing the method
06/11/2014CN103852705A Constant temperature device
06/11/2014CN103852704A Constant temperature device
06/11/2014CN103852703A Semiconductor inspection apparatus and semiconductor inspection method
06/11/2014CN103852702A Method for Determining Carrier Concentrations in Semiconductor Fins
06/11/2014CN103852701A MOS transistor testing circuit and corresponding testing method
06/11/2014CN103852700A Test method for hot carrier inject of LDMOS device
06/11/2014CN103852699A Insulation detection circuit and method thereof
06/11/2014CN103852698A Insulation strength testing device applicable to breaker vacuum arc-extinguishing chambers
06/11/2014CN103852697A Cable partial discharge detection device
06/11/2014CN103852696A Element voltage-withstand detection circuit, voltage-withstand test device and test method
06/11/2014CN103852695A Grounding grid state detection method based on high-frequency impulse reverse-scattering imaging
06/11/2014CN103852694A Power cable intelligent grounding box
06/11/2014CN103852693A Judging method of small current grounding line selection system
06/11/2014CN103852692A Ultra-high-voltage direct-current transmission line neural network double end fault location method based on high frequency amount attenuation characteristic
06/11/2014CN103852691A Directional detection of a fault in a network of a grounding system with compensated or insulated neutral point
06/11/2014CN103852690A On-line monitoring system for electric power transmission line
06/11/2014CN103852689A Power equipment on-line monitoring system
06/11/2014CN103852688A Method for confirming position of a ground fault and device thereof
06/11/2014CN103852687A Transformer winding deformation automatic on-line inspection system
06/11/2014CN103852686A Automatic deformation inspection device of transformer winding
06/11/2014CN103852685A Low voltage leakage monitoring method of power distribution platform region
06/11/2014CN103852684A Automatic alarm device for power failure, default phase and ground connection of 10kV high-voltage cabinet
06/11/2014CN103852683A Detection circuit and detection method
06/11/2014CN103852682A Detecting circuit and related circuit detecting method
06/11/2014CN103852681A Testing apparatus and testing method of electronic device
06/11/2014CN103852680A Device and method for detecting broken line of switching value signal transmission circuit
06/11/2014CN103852679A Resistance board reliability detector
06/11/2014CN103852678A Cable detection device
06/11/2014CN103852677A Method for quickly diagnosing and positioning poor contact faults in electronic product
06/11/2014CN103852676A Passive contact detection device and method
06/11/2014CN103852675A On-line test fixture with pneumatic probes
06/11/2014CN103852674A Residual current transformer secondary coil disconnection detection circuit
06/11/2014CN103852673A Special tool for secondary cable alignment
06/11/2014CN103852672A Environmental stress screening method of electronic device by using stepping stress
06/11/2014CN103852671A Method for testing dynamic balance of electric quantity of car
06/11/2014CN103852670A Transient state electricity energy quality information acquisition module with high sampling rate
06/11/2014CN103852669A Rotating rectifier and exciter circuit fault dual-function and dual-redundancy monitoring circuit
06/11/2014CN103852668A Terminal functional parameter determining method and device of intelligent electric controller
06/11/2014CN103852667A Multifunctional and portable transformer substation grounding grid testing device
06/11/2014CN103852666A Wire harness tester
06/11/2014CN103852665A Algorithm for directly detecting metal foreign bodies for wireless charger
06/11/2014CN103852664A Charge-discharge testing apparatus
06/11/2014CN103852663A Energy feedback type distributed photovoltaic power inverter integrated test system
06/11/2014CN103852662A Method for extracting model parameters of four-port transformer by using two-port network analyzer
06/11/2014CN103852661A Aging cabinet with double-sided installation structure device
06/11/2014CN103852660A Automatic calibration method for automatic reclosing lock
06/11/2014CN103852659A Novel SPD on-line detection device
06/11/2014CN103852658A Simulation method for lightning return stroke electromagnetic field
06/11/2014CN103852657A Lightening electric field simulation device based on parallel plate transmission line
06/11/2014CN103852656A Function testing machine of PCB
06/11/2014CN103852655A Method for analyzing faults of power distribution network comprising small-size asynchronous wind driven generator
06/11/2014CN103852654A Power quality data visualization display method and device
06/11/2014CN103852653A Extension circuit board
06/11/2014CN103852652A Deformation detection and comprehensive analysis system of transformer winding
06/11/2014CN103852651A High efficiency aging room based on heat pump
06/11/2014CN103852650A Supercapacitor detection method and device
06/11/2014CN103852645A Detection device for electric control box
06/11/2014CN103852631A Algorithm for indirectly detecting metal foreign bodies for wireless charger
06/11/2014CN103852626A Direct current circuit detection device
06/11/2014CN103852625A Compressor Protection And Grid Fault Detection Device
06/11/2014CN103852607A Probe card and inspection device
06/11/2014CN103852604A Novel online LED power test device
06/11/2014CN103852601A Alternating-current withstand voltage support of insulating rods
06/11/2014CN103852558A Air on-line monitoring system
06/11/2014CN103851720A Bidirectional temperature control electronic product ageing cabinet utilizing air source heat pump
06/11/2014CN103191868B Automatic detection equipment for potentiometer
06/11/2014CN102841300B Structure and method for testing temperature characteristic of MOS (Metal Oxide Semiconductor) device
06/11/2014CN102735957B Method and system for monitoring antenna oscillator of base station as well as integrated monitoring equipment
06/11/2014CN102707224B Method for simplifying test vectors for switching delay of integrated circuit
06/11/2014CN102692583B Finding method of multi-branch-circuit power generator stator winding grounded short circuit point
06/11/2014CN102662113B Comprehensive diagnosis method of oil-immersed transformer based on fault tree
06/11/2014CN102654561B Scanning and testing method based on three-dimensional chips
06/11/2014CN102636744B Device and method for detecting relationship between single event effects and time sequence characteristics of FPGA (Field Programmable Gate Array)
06/11/2014CN102621470B Method for testing performance of semiconductor microwave power chip packaging shell
06/11/2014CN102608485B Detection method for zero-sequence current loops of transformer substations
06/11/2014CN102591292B Synchronous test control center based on wireless communication
06/11/2014CN102565591B Automatic testing device for frequency converter power board
06/11/2014CN102539967B Signal collecting and driving testing device
06/11/2014CN102522386B Gate-oxidizing-layer interface-trap density-testing structure and testing method
06/11/2014CN102495352B Multifunctional test circuit of integrated circuit stress degradation and test method thereof
06/11/2014CN102487042B Array substrate, manufacturing method and detection method thereof and liquid crystal panel
06/11/2014CN102445658B Motor test device
06/11/2014CN102375100B Testing apparatus and correlated test method thereof
06/11/2014CN102341722B Method and device for determining a characteristic quantity for detecting the onboard supply system stability
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