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)
10/2011
10/19/2011	EP2378300A2 Apparatus and method for screening electrolytic capacitors
10/19/2011	EP2378299A2 Power distribution circuit diagnostic system and method
10/19/2011	EP2378297A2 System and method for detecting voltage dependence in insulation systems based on harmonic analysis
10/19/2011	EP2377225A2 Method and system for testing wind turbine plants
10/19/2011	EP2376930A1 Method for testing printed circuit boards
10/19/2011	EP2376929A1 Method for determining a state of at least one component of a control unit
10/19/2011	EP2376928A1 Arrangement and method for protecting a power supply circuit component
10/19/2011	EP2044451B1 Photovoltaic arrangement
10/19/2011	EP1703292B1 A method for measuring the operating state of a synchronous motor using composite power angle meter
10/19/2011	CN202014428U Multi-function portable test power box
10/19/2011	CN202014084U Fault diagnosis and short circuit protection circuit of vehicle window motor and vehicle
10/19/2011	CN202013778U Drain wire breaking alarm device used in production line of inner shielded cable
10/19/2011	CN202013722U Electric property detecting device
10/19/2011	CN202013495U Electric measurement and control system with safety control function
10/19/2011	CN202013412U Movable high-voltage power supply detection device
10/19/2011	CN202013411U Sorting network system for internal resistance and open-circuit voltage
10/19/2011	CN202013410U Property testing platform for alternate/direct current motor of airplane
10/19/2011	CN202013409U Motor detection circuit for ecological house
10/19/2011	CN202013408U On-line monitoring system of breaker
10/19/2011	CN202013407U Checkout device for gas density relay
10/19/2011	CN202013406U Monitoring device for safety circuit of urban rail transportation platform screen door
10/19/2011	CN202013405U Device for detecting life of inductive electronic time-delay switch
10/19/2011	CN202013404U Trigger tester of controlled silicon
10/19/2011	CN202013403U Partial discharge ultrahigh frequency detection and diagnostic system of power equipment
10/19/2011	CN202013402U Novel wide band superhigh frequency sensor
10/19/2011	CN202013401U Line fault detection system and node fault detection device
10/19/2011	CN202013400U Single-phase grounding line selection apparatus of undercurrent grounding system
10/19/2011	CN202013399U Power transmission line fault ranging plug-in with arc light short circuit identification considered
10/19/2011	CN202013398U Leakage indicator for electrical appliance shell
10/19/2011	CN202013397U Detection jig for electronic device
10/19/2011	CN202013396U Anti-stopping fixture used in electric product testing
10/19/2011	CN202013395U Online measurement circuit structure for charging circuit breaking of storage battery set
10/19/2011	CN202013394U Electric apparatus safety specification detector
10/19/2011	CN202013393U Signal microcomputer monitoring device for railway
10/19/2011	CN202013392U Insulator detecting equipment of high-voltage and super-voltage power transmission line
10/19/2011	CN202013391U Intelligent monitoring system of electric device
10/19/2011	CN202013390U Wireless electric tuning panel testboard
10/19/2011	CN202013389U Detection device for condenser and reactor
10/19/2011	CN202013388U Voltage distribution wireless measurement system for lightning arrester
10/19/2011	CN202013387U Charger detection circuit
10/19/2011	CN202013386U Verification circuit for working condition of current-limiting resistance
10/19/2011	CN202013385U Electromagnetic valve detection circuit for ecological house
10/19/2011	CN202013380U Device for testing DC resistance of transformer
10/19/2011	CN202013367U Constant current source unit used in online storage cell internal resistance detecting device
10/19/2011	CN202013364U Load box
10/19/2011	CN202013274U Electric propulsion multi-mode hybrid power system test platform of ship
10/19/2011	CN202013183U Active safety type stereo displacement and sound detection system for electrical load switch/transformer
10/19/2011	CN102224641A Electrically connecting device for semiconductor device and contact used in the electrically connecting device
10/19/2011	CN102224428A Testing method and program product used therein
10/19/2011	CN102224427A Method and apparatus for detecting a phase-to-earth fault
10/19/2011	CN102224426A Apparatus for estimating the remaining life of a power converter and its method
10/19/2011	CN102222977A Transformer monitoring system and method
10/19/2011	CN102222972A Switching circuit and power supply device
10/19/2011	CN102222932A Isolated island detecting device and method based on load characteristic
10/19/2011	CN102222405A Wireless data acquisition system for acquiring voltages of microbial fuel cells
10/19/2011	CN102221683A Withstand voltage testing device for energy meter
10/19/2011	CN102221682A Apparatus of rapidly detecting three-phase high-error electric energy meter and measuring method thereof
10/19/2011	CN102221678A On-line life calculation method for battery system
10/19/2011	CN102221677A Method for detecting battery pack capacities and consistency, and equipment thereof
10/19/2011	CN102221676A Apparatus for and method of calculating state of charge, and electric system
10/19/2011	CN102221675A Storage battery capacity judgment method based on mode identification technology
10/19/2011	CN102221674A Flat type SOFC (Solid Oxide Fuel Cell) monocell partial performance test device
10/19/2011	CN102221673A Method for testing copper loss and temperature rise of multi-phase high-power low-speed permanent magnet synchronous motor
10/19/2011	CN102221672A Detection circuit of key
10/19/2011	CN102221671A Signal stability detector and time delay tester
10/19/2011	CN102221670A Ball grid array test socket
10/19/2011	CN102221669A Measuring system for solar cell and sunlight simulator
10/19/2011	CN102221668A Method and device for detecting dielectric layer reliability of semiconductor device
10/19/2011	CN102221667A Measuring apparatus and method for diode chip
10/19/2011	CN102221666A Capacitor on-line high pressure measurement apparatus
10/19/2011	CN102221665A Power cable partial discharge detection contrast method
10/19/2011	CN102221664A Grounding fault detection method of overhead high voltage circuit
10/19/2011	CN102221663A Passive radio frequency tag reversed modulating performance testing method and apparatus thereof
10/19/2011	CN102221662A Small current grounding system single phase earth fault traveling wave line selection and distance measurement apparatus
10/19/2011	CN102221661A High pressure grounding line selection apparatus
10/19/2011	CN102221660A On-line positioner of small current earth fault
10/19/2011	CN102221659A Electric appliance cabinet integration test equipment
10/19/2011	CN102221658A Multi-split air-conditioning indoor and outdoor unit mistaken wiring detection method
10/19/2011	CN102221657A Electroprobe for finding broken position of circuit
10/19/2011	CN102221656A Short circuit tester
10/19/2011	CN102221655A Random-forest-model-based power transformer fault diagnosis method
10/19/2011	CN102221654A Monitoring and evaluation system of electrostatic deduster operation efficiency
10/19/2011	CN102221653A Electric power equipment discharge detector based on ultraviolet light power method
10/19/2011	CN102221652A Method and device for testing 500kV metal oxide arrester
10/19/2011	CN102221651A Fault on-line diagnosis and early warning method of flameproof dry-type transformer for mine
10/19/2011	CN102221650A Testing module for adapter element
10/19/2011	CN102221649A Dynamic tester for magnetic driver
10/19/2011	CN102221636A Probe card structure and assembly method
10/19/2011	CN102221634A Electronic component contactor, apparatus for testing electronic component, and method for testing electronic component
10/19/2011	CN102221161A Method and equipment for manufacturing backlight source
10/19/2011	CN101813731B Method for judging running state of external arrester of transformer balancing winding
10/19/2011	CN101799505B Electric simulator of gyro
10/19/2011	CN101762774B Method for identifying high voltage direct current transmission line fault location based on genetic algorithm parameter
10/19/2011	CN101545956B Aging test device for energy-saving lamp
10/19/2011	CN101487872B Network cable test method and device
10/19/2011	CN101387686B Apparatus and method for making system-on-a-chip into test mode
10/18/2011	US8042086 Method and apparatus for verifying integrated circuit design using a constrained random test bench
10/18/2011	US8042015 High-speed semiconductor memory test device
10/18/2011	US8042014 Semiconductor apparatus and method of disposing observation flip-flop
10/18/2011	US8042011 Runtime programmable BIST for testing a multi-port memory device

1 ... 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 ... 1523