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)
04/2014
04/23/2014CN103744020A Multifunctional incoming motor detection testing stand
04/23/2014CN103744019A Proximity switch detecting device
04/23/2014CN103744018A On-line monitoring system aiming at high-voltage circuit breaker
04/23/2014CN103744017A Operation synthesis tester for ultrahigh voltage direct current converter valve
04/23/2014CN103744016A High-voltage breaker energy-storing motor time testing apparatus
04/23/2014CN103744015A Apparatus for counting service life of using times of air conditioner switch
04/23/2014CN103744014A SRAM type FPGA single particle irradiation test system and method
04/23/2014CN103744013A Full control bridge circuit fault diagnosis method
04/23/2014CN103744012A Parallel test device based on Credence KalosI memory test platform and parallel test based on Credence KalosI memory test platform
04/23/2014CN103744011A Circuit board testing device
04/23/2014CN103744010A An automatic testing system and an automatic testing method of a continuous wave radio frequency power amplifier
04/23/2014CN103744009A Serial transmission chip test method, serial transmission chip test system and integrated chip
04/23/2014CN103744008A Method and device for determining circuit aging property
04/23/2014CN103744007A Generator diode detection device and detection method thereof
04/23/2014CN103744006A Localization diagnosis method for partial discharge generated by looseness in high-voltage electrical equipment
04/23/2014CN103744005A Discharging strength conversion method based on ultraviolet imaging method
04/23/2014CN103744004A Transformer/reactor partial discharge online monitoring method and monitoring system
04/23/2014CN103744003A Automatic enamelled wire continues detection apparatus and method for detecting breakdown voltage of enamelled wire
04/23/2014CN103744002A Method of identifying fault section of cable-wire hybrid transmission line based on principle component cluster analysis of current transient quantity
04/23/2014CN103744001A Frequency domain method of fault location of high-voltage direct current earth electrode line based on distributed parameter model
04/23/2014CN103744000A Voltage traveling wave collection device
04/23/2014CN103743999A Device and method for finding breakpoint position of electric wire/cable
04/23/2014CN103743998A Cross correlation coefficient-based distribution network single-phase grounding fault positioning method and system
04/23/2014CN103743997A Low-voltage cable fault flaw detector
04/23/2014CN103743996A Pi-type equivalent circuit based direct current earth electrode line fault location method
04/23/2014CN103743995A High-voltage direct current earth electrode line fault location method based on T-type equivalent model
04/23/2014CN103743994A Low-voltage load test method and device
04/23/2014CN103743993A System for detecting transformer winding deformation and method thereof
04/23/2014CN103743992A Durability test system and high-efficiency consistency test method for electrical appliance sockets
04/23/2014CN103743991A Method and apparatus for testing conductive-hole electrical property of PCB plate
04/23/2014CN103743990A Method for detecting fault of anti-surge device in train automatic control system
04/23/2014CN103743989A An air conditioner wire harness electric detecting apparatus
04/23/2014CN103743988A AC fleeing early warning monitoring device of transformer station DC power supply system
04/23/2014CN103743987A ADC sampling fault detection method of microprocessor in motor control system
04/23/2014CN103743986A Automatic checkout device of components
04/23/2014CN103743985A Method for testing shielding effectiveness of textile material under complex electromagnetic environment
04/23/2014CN103743984A Rail transit signal interlock test simulator
04/23/2014CN103743983A Offline test method and test device for combustion furnace electric appliance module
04/23/2014CN103743982A Method for measuring daily line loss of medium-voltage user equipment
04/23/2014CN103743981A Testing system for static var generator
04/23/2014CN103743980A Power quality disturbance recognition and classification method based on PSO (Particle Swarm Optimization) for SVM (Support Vector Machine)
04/23/2014CN103743979A Impulse-current multifunctional ignition device
04/23/2014CN103743978A Multifunction testing device for gas-filled switch cabinet
04/23/2014CN103743977A High-voltage heavy-current combined temperature rise verification platform for equipotential temperature measuring device
04/23/2014CN103743976A Side-frequency harmonic current disturbance island detection method
04/23/2014CN103743975A Flexible printed circuit board automatic testing equipment and flexible printed circuit board automatic testing method
04/23/2014CN103743974A Reliability test board and CAF resistance performance test method of printed circuit board
04/23/2014CN103743973A Electromagnetic compatibility immunity test system used for key-free system
04/23/2014CN103743972A Fault diagnosis method for tower type solar energy heat power generation system
04/23/2014CN103743971A Testing technology for rotary transformer signal calculating module
04/23/2014CN103743970A Converter transformer valve side bushing test device
04/23/2014CN103743969A Measurement noise suppression method for near-field electromagnetic radiation interference measurement signals
04/23/2014CN103743968A Metal oxide arrester multiple-lightning-current withstand test method
04/23/2014CN103743967A Remote test system and method for substation high frequency protection channel state
04/23/2014CN103743966A PWM module detection method and system in motor driver
04/23/2014CN103743965A Aluminum electrolytic capacitor batch aging process real-time monitoring and measuring apparatus
04/23/2014CN103743964A Electric energy quality real-time monitoring device and method of monitoring electric energy data
04/23/2014CN103743963A Electric power system fault diagnosis method based on electrical quantity and state quantity
04/23/2014CN103743943A Assembled battery total voltage detection circuit
04/23/2014CN103743942A Detection method for initiating explosive device leakage current of power distribution module with solid relay
04/23/2014CN103743471A Acoustical signal-based time parameter testing method during contactor motion process
04/23/2014CN102680843B Energized test method for faults of sulfur hexafluoride electric equipment
04/23/2014CN102623975B Method for generating current differential protection generalized node on basis of electric topology of regional distribution network
04/23/2014CN102608498B Fault phase selection method of new energy transmission line
04/23/2014CN102590717B Withstand voltage testing method for geographic information system (GIS)
04/23/2014CN102590655B Failure direction judgment element and judgment method for direct current transmission line
04/23/2014CN102565642B Ultrahigh frequency sensor for on-line monitoring of local discharging in GIS (Global Information System)
04/23/2014CN102539963B Method for selecting equivalent continuous operating voltage of lightning arrester at harmonic voltage
04/23/2014CN102520274B Method for forecasting service life of intermediate frequency log amplifier based on failure physics
04/23/2014CN102496920B Surge protection device and method for detecting faults by using surge protection device
04/23/2014CN102495363B Method for distinguishing shutting of +/-800 kV extra-high voltage direct-current valve group
04/23/2014CN102495359B System and method for debugging FPGA (field programmable gate array)
04/23/2014CN102495346B Generally applicable optimization method for test output pins of integrated circuit chip
04/23/2014CN102495306B Method for judging operation/outage state of equipment of micro-grid power system
04/23/2014CN102356503B Method for calculating number of healthy strings of sodium-sulfur battery and failure detection method using same
04/23/2014CN102257398B Device for testing an integrated circuit and method for implementing same
04/23/2014CN102255293B Single-ended electrical quantity full-line quick-action protection method for recognizing faults inside and outside high-voltage direct-current transmission line region
04/23/2014CN102197312B Probe detection system and relay driving test method therefor
04/23/2014CN102095994B Generator excitation circuit detection method
04/23/2014CN102081124B System and method for identifying high-speed peripheral equipment interconnected signal
04/23/2014CN102033197B Direct current (DC) converter valve non-periodic triggering test method using improved time delay method
04/23/2014CN102023276B System for detecting generator winding faults
04/23/2014CN101995554B Electronic device with power state evaluation function and power evaluation method thereof
04/23/2014CN101986167B Method for quickly identifying and classifying triodes
04/23/2014CN101946186B System and method for solving connection violations
04/23/2014CN101551444B Method for estimating remaining capacity of battery
04/23/2014CN101545949B Circuit arrangement, apparatus and process for the serial sending of data via a connection contact
04/23/2014CN101449176B An estimation of a leakage power
04/22/2014USRE44861 Method and system for requesting and granting PoC user media transmission right
04/22/2014US8707232 Fault diagnosis based on design partitioning
04/22/2014US8707221 Circuit assembly yield prediction with respect to manufacturing process
04/22/2014US8707118 Data, mode and ready bit packets on bidirectional control/data leads
04/22/2014US8707117 Methods and apparatus to test multi clock domain data paths with a shared capture clock signal
04/22/2014US8707116 Transitioning a state machine through idle, sequence, and unlock states
04/22/2014US8707115 Micro controller, driving method thereof and display device using the same
04/22/2014US8707114 Semiconductor device including a test circuit that generates test signals to be used for adjustment on operation of an internal circuit
04/22/2014US8707113 Method for modeling a device and generating test for that device
04/22/2014US8707065 Method and system for monitoring module power status in a communication device
04/22/2014US8706901 Protocols for high performance computing visualization, computational steering and forward progress
04/22/2014US8706431 Direct sequence spread spectrum predictive cable and component failure technology