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)
10/2008
10/22/2008EP1983349A1 Secondary cell residual capacity estimating device and residual capacity estimating method
10/22/2008EP1982432A1 A method and a system for cable or subscriber loop investigation performing loop topology identification
10/22/2008EP1982398A1 System, method, and article of manufacture for determining an estimated combined battery state-parameter vector
10/22/2008EP1982395A1 Method and adaptive distance protection relay for power transmission lines
10/22/2008EP1982205A2 Ic testing methods and apparatus
10/22/2008EP1982204A1 Multi-stage data processor with signal repeater
10/22/2008EP1982203A1 Method and device for testing unequipped circuit boards
10/22/2008EP1982202A1 Electrically-modulatable extended light source and a measurement device for characterising a semiconductor including one such source
10/22/2008EP1982200A2 Method and device for detecting ground faults in a supply cable
10/22/2008EP1982198A1 Test system for a circuit carrier
10/22/2008EP1982197A1 Finger tester for testing unpopulated printed circuit boards and method for testing unpopulated printed circuit boards using a finger tester
10/22/2008EP1671136A4 A method of analyzing the time-varying electrical response of a stimulated target substance
10/22/2008EP1655614B1 Test apparatus, correction value managing method, and corresponding computer program
10/22/2008CN201138498Y Theft-resisting early alarming apparatus of distributing transformer based on GSM technique
10/22/2008CN201138372Y Passenger car emergency power source experimental bench
10/22/2008CN201138371Y 5 KW electricity generator experimental bench
10/22/2008CN201138370Y CMMB mobile phone television demodulation chip test circuit
10/22/2008CN201138369Y Series resonance pressure test apparatus of low interference
10/22/2008CN201138368Y Defect diagnostic equipment for substation grounding grid
10/22/2008CN201138367Y Insulator flashover indicator
10/22/2008CN201138366Y Panel test structure
10/22/2008CN201138365Y CVT on-line monitoring terminal
10/22/2008CN201138364Y High-speed electronic temperature characteristic test apparatus
10/22/2008CN201138363Y Central wind speed implementing apparatus for pot body
10/22/2008CN201138362Y Failure current test apparatus for high voltage DC transmission converter valve
10/22/2008CN201138361Y Touch screen testing device
10/22/2008CN201138360Y Aging device
10/22/2008CN201138356Y Current measurement circuit
10/22/2008CN201138350Y Clamping device for testing wave-guide duplex apparatus
10/22/2008CN201138256Y Pressure measurement apparatus for moving contact of portable V typed loaded switch
10/22/2008CN101292171A IC testing methods and apparatus
10/22/2008CN101292170A TCP processing device
10/22/2008CN101292169A Device for measuring the loss factor
10/22/2008CN101292168A Array test using the shorting bar and high frequency clock signal for the inspection of tft-lcd with integrated driver ic
10/22/2008CN101292167A Method for recovery of a controlled failover of a border gateway protocol speaker
10/22/2008CN101292166A Insulation inspecting device and insulation inspecting method
10/22/2008CN101292165A Directional power detection by quadrature sampling
10/22/2008CN101291114A Power switching device
10/22/2008CN101291062A Analysis method of DC power flow in dynamic topology electric network
10/22/2008CN101291061A Status estimating method for dynamic process of electrical power system
10/22/2008CN101291056A Faulty phase selection method based on long wire model
10/22/2008CN101291055A Method for precisely marking arriving time of initial wave of fault generated traveling waves for electricity transmission line
10/22/2008CN101291054A Diagnosis and protection method for residue current of ground fault in electrical power system
10/22/2008CN101291033A Terminal inserting auxiliary device
10/22/2008CN101291005A Energy management system of externally charging typed hybrid power vehicle
10/22/2008CN101290740A Driver of display unit
10/22/2008CN101290342A Hydroelectric units black start-up ability verification test method
10/22/2008CN101290341A Hydroelectric units primary frequency modulation performance test method
10/22/2008CN101290340A LED solar simulator
10/22/2008CN101290339A High-voltage cable trouble point checking method and its device
10/22/2008CN101290338A Test system and test method for control cable
10/22/2008CN101290337A High voltage direct current transmission line thunderbolt shielding failure and counterattack recognition method
10/22/2008CN101290336A Alternating-current powerline thunderbolt shielding failure and counterattack recognition method
10/22/2008CN101290335A Direct-current input power supplying converter energy-saving aging device
10/22/2008CN101290334A Alternating current input power supplying converter energy-saving aging device
10/22/2008CN101290330A Circuit testing device
10/22/2008CN101290329A Probe unit and checking device
10/22/2008CN101290328A Carrier for carrying a packaged chip and handler equipped with the carrier
10/22/2008CN101290327A A receiver of an electronic element and a handler including the same
10/22/2008CN101290296A Pattern checking device and pattern checking mehtod
10/22/2008CN101288871A Power battery multi-impulse classification method
10/22/2008CN100428704C Automatic fault reporting system of communication line
10/22/2008CN100428597C Overpressure resistant adapter for switchgear insulated by gases
10/22/2008CN100428570C Intelligent earthing rod system for electric power operation
10/22/2008CN100428559C Method and apparatus for estimating state of charge of secondary battery
10/22/2008CN100428558C Lead-acid battery detecting-repairing method and system
10/22/2008CN100428180C Test card for multiple functions testing
10/22/2008CN100427964C Boundary scanning-measuring method for circuit board
10/22/2008CN100427963C Semiconductor test management system and method
10/22/2008CN100427962C System for detecting fault of currect limiter with non-conduction type superconduction fault and detecting method thereof
10/22/2008CN100427961C Virtual instrument technique based gas insulation combined electric appliances online detecting method
10/22/2008CN100427960C Method for detecting chip pin
10/22/2008CN100427959C Transient electromagnetic pulse field analog test system
10/22/2008CN100427955C Device interface unit
10/22/2008CN100427915C Luminescent efficiency measuring method of organic electroluminescent device
10/22/2008CN100427883C A system and method for determining a cross sectional feature of a structural element using a reference structural element
10/21/2008US7441173 Systems, devices, and methods for arc fault detection
10/21/2008US7441172 DVI link with parallel test data
10/21/2008US7441171 Efficient scan chain insertion using broadcast scan for reduced bit collisions
10/21/2008US7441170 External scan circuitry connected to leads extending from core circuitry
10/21/2008US7441169 Semiconductor integrated circuit with test circuit
10/21/2008US7441168 Fault detecting method and layout method for semiconductor integrated circuit
10/21/2008US7441167 Memory module with parallel testing
10/21/2008US7441166 Testing apparatus and testing method
10/21/2008US7441164 Memory bypass with support for path delay test
10/21/2008US7441156 Semiconductor memory device having advanced test mode
10/21/2008US7440884 Memory rewind and reconstruction for hardware emulator
10/21/2008US7440866 System and method for validating an input/output voltage of a target system
10/21/2008US7440864 Controller system for pool and/or spa
10/21/2008US7440862 Combining multiple independent sources of information for classification of devices under test
10/21/2008US7440860 Sequential unique marking
10/21/2008US7440407 Method and apparatus for centralized monitoring and analysis of virtual private networks
10/21/2008US7440406 Apparatus for displaying network status
10/21/2008US7440405 Apparatus and method for packet forwarding with quality of service and rate control
10/21/2008US7439758 Display apparatus and method of inspecting the same
10/21/2008US7439757 Apparatus and method for inspecting liquid crystal display
10/21/2008US7439756 Testing circuit and testing method for liquid crystal display device
10/21/2008US7439755 Electronic circuit for measurement of transistor variability and the like
10/21/2008US7439754 Semiconductor integrated circuit and device and method for testing the circuit
10/21/2008US7439753 Inverter test device and a method thereof