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

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)
11/2011
11/23/2011	CN102253338A Intelligent failure diagnosis method for frequency converter of wind power unit
11/23/2011	CN102253337A Zero-power over underexcitation test method for synchronous motor
11/23/2011	CN102253336A Device for testing pressure of contact finger of high-voltage isolating switch
11/23/2011	CN102253335A Detection circuit used for turning off thyristor
11/23/2011	CN102253334A Circuit for detecting open and close states of relay for electric energy meter
11/23/2011	CN102253333A Life tester for alternating-current contactor and control method thereof
11/23/2011	CN102253332A Striking-force test fixture for keyboard lines
11/23/2011	CN102253331A Method and board for photoelectric trigger detection based on parallel thyristors
11/23/2011	CN102253330A Dynamometric electric servo loading device
11/23/2011	CN102253329A Method for testing field programmable gate array (FPGA) single-long line slant switches
11/23/2011	CN102253328A Method for analyzing failure of bit lines in memory chip
11/23/2011	CN102253327A Diagnostic method for failure of switch current circuit
11/23/2011	CN102253326A Test tool structure
11/23/2011	CN102253325A Method for analyzing chip failure
11/23/2011	CN102253324A Testing structure and testing method for hot carrier effect of MOS (Metal Oxide Semiconductor) device
11/23/2011	CN102253323A Variable temperature microscopic measurement system for measuring related electron-spin transportation
11/23/2011	CN102253322A Solar cell array simulation device
11/23/2011	CN102253321A Real-time synchronous measuring instrument and method of spectrum response of photovoltaic material
11/23/2011	CN102253320A Method for pre-warning failure of insulated gate bipolar transistor (IGBT)
11/23/2011	CN102253319A Solid insulation voltage resistance performance test system under high voltage and low temperature Paschen condition
11/23/2011	CN102253318A Instrument for acquiring insulation data with on-line calibration function for marine cable
11/23/2011	CN102253317A Alternating current, direct current and impulse joint superposition test method for extra-high voltage transmission level equipment used in high-altitude area
11/23/2011	CN102253316A System for automatically detecting online insulation monitoring of shipboard cables
11/23/2011	CN102253315A Fault location method based on single-terminal location
11/23/2011	CN102253314A Superheat region searching method for fault location of electric distribution network
11/23/2011	CN102253313A Method for testing travelling wave fault location devices in power system
11/23/2011	CN102253312A Cable breakage detector
11/23/2011	CN102253311A Method for measuring distance between two ends based on real-time circuit parameter measurement
11/23/2011	CN102253310A Method for identifying property of second wave head during fault location of alternating-current power transmission line
11/23/2011	CN102253309A Method for determining multipoint earth faults of long stator according to line voltage
11/23/2011	CN102253308A Method for determining asymmetric short circuit fault of long stator according to negative sequence voltage
11/23/2011	CN102253307A Method for positioning single-phase grounding failure of distribution network containing distributed power supply
11/23/2011	CN102253306A Power distribution circuit diagnostic system
11/23/2011	CN102253305A Detection method of fuse state of heavy current rectifier equipment
11/23/2011	CN102253304A Failure diagnostic method for dynamic stable state of power transformers
11/23/2011	CN102253303A Arrangement to detect fault electrical connection
11/23/2011	CN102253302A Automatic detection and alarm device for joint of inner core wire during coating and extrusion of wire
11/23/2011	CN102253301A Analog circuit fault diagnosis method based on differential evolution algorithm and static classification of echo state network
11/23/2011	CN102253300A Electric cabinet detector of numerical control machine
11/23/2011	CN102253299A Method for judging uneven distribution of voltages of ultrahigh voltage direct current (UHVDC) double valve groups
11/23/2011	CN102253298A PFC (Power Factor Correction) fault detection method for direct-current variable frequency air conditioner controller
11/23/2011	CN102253297A Detector for manual control box of chassis combined loading trolley
11/23/2011	CN102253296A Method for testing comprehensive device of transformer
11/23/2011	CN102253295A High-speed data acquiring and digital signal processing board based on FPGA (Field Programmable Gate Array)
11/23/2011	CN102253294A Visual precision detection device for potentiometer carbon diaphragm array plate
11/23/2011	CN102253293A Detection method and device of direct current arc faults
11/23/2011	CN102253292A RTDS-based platform and method for function test of circuit protective relaying device
11/23/2011	CN102253291A Testing station for thyristor controlled neutralizer
11/23/2011	CN102253290A Method for predicting electrical properties of deformed log-periodic antennae based on electromechanical coupling model
11/23/2011	CN102253273A High-voltage electrified display with electricity checking and phase detection functions
11/23/2011	CN102253257A Integrated standard device for field calibration of extra/ultra high voltage capacitor voltage transformer (CVT)
11/23/2011	CN102253256A High-power power supply load meter
11/23/2011	CN102253249A Flexible printed circuit (FPC) testing wire
11/23/2011	CN102253247A Flexibly-expanded general experiment platform for modular multi-level current converter
11/23/2011	CN102253127A L-shaped ultrasonic array sensor and method thereof for partial discharge location of transformer
11/23/2011	CN102252846A Multifunctional wind power generation simulation experiment platform
11/23/2011	CN102247951A Device for classifying electronic component
11/23/2011	CN102247950A Device for sorting electronic component
11/23/2011	CN101788621B Off-line detecting equipment for automobile electrical appliance system of automobile production line
11/23/2011	CN101782627B Test structure for self-excitation mechanism of microelectronic mechanical switch and preparation method thereof
11/23/2011	CN101776727B Method for measuring working junction temperature and thermal resistance of electronic component by utilizing vacuum environment
11/23/2011	CN101650390B Method of measuring inductance parameters of stator of surface AC permanent magnet synchronous motor on line
11/23/2011	CN101627539B Analog multiplexer with insulation power supply
11/23/2011	CN101592707B Analog and digital mixed signal chip test card
11/23/2011	CN101551429B Method for testing command function of Beidou-1 command type subscriber machine
11/23/2011	CN101534001B Method for detecting distribution network short circuit fault and restoring power supply in non-broken-down section
11/23/2011	CN101467053B Arrangement for determining the operational characteristics of a high-frequency power amplifier
11/23/2011	CN101425678B Battery protection method and system
11/23/2011	CN101399134B Relay status detection method
11/23/2011	CN101359031B Handler and process for testing a semiconductor chips using the handler
11/23/2011	CN101334317B Detector for an ultraviolet lamp system and a corresponding method for monitoring microwave energy
11/23/2011	CN101320075B Connector
11/23/2011	CN101271670B Electro-optical device, method of checking the same, and electronic appatarus
11/23/2011	CN101251568B System and method for determining location of phase-to-earth fault
11/22/2011	US8065578 Inverted TCK access port selector selecting one of plural TAPs
11/22/2011	US8065577 Dual controllers for scan paths, distributors, and collectors
11/22/2011	US8065576 Test access port
11/22/2011	US8065575 Implementing isolation of VLSI scan chain using ABIST test patterns
11/22/2011	US8065574 Soft error detection logic testing systems and methods
11/22/2011	US8065572 At-speed scan testing of memory arrays
11/22/2011	US8065571 Storage area network (SAN) link integrity tester
11/22/2011	US8065570 Testing an integrated circuit having configurable input/output terminals
11/22/2011	US8065106 Moving light table
11/22/2011	US8064834 Method of allocating radio resources in multi-carrier system
11/22/2011	US8064481 Virtual path restoration scheme using fast dynamic mesh restoration in an optical network
11/22/2011	US8064355 Automatic user availability status determination for a handheld communication device
11/22/2011	US8064353 Communication device, communication system, and communication fault detection method
11/22/2011	US8064352 Method for implementing online maintenance in communication network
11/22/2011	US8064348 Gathering traffic profiles for endpoint devices that are operably coupled to a network
11/22/2011	US8064346 Communication path control system, program, and storage medium therefor
11/22/2011	US8064341 Temporal-spatial burst switching
11/22/2011	US8064340 Quality-degraded portion estimating apparatus, quality-degraded portion estimating method, and quality-degraded portion estimating program
11/22/2011	US8064338 HVPLS hub connectivity failure recovery with dynamic spoke pseudowires
11/22/2011	US8064336 Method and apparatus for reliable communications in a packet network
11/22/2011	US8064335 Communication monitoring method, communication monitoring system, management system, and external device
11/22/2011	US8064334 Method for implementing intersecting ring network with arbitrary topology, node and intersecting ring network
11/22/2011	US8064331 Transmitting apparatus and method for maintaining learned information
11/22/2011	US8063656 Method of enabling a circuit board analysis
11/22/2011	US8063655 Method and circuit for reducing degradation in a regulated circuit
11/22/2011	US8063654 Apparatus and method for testing of stacked die structure

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