| 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) |
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| 07/28/2011 | CA2729471A1 Power switching for electronic device test equipment |
| 07/27/2011 | EP2348515A1 Superconducting coil quench detector and detection method |
| 07/27/2011 | EP2348373A1 Method, electronic component and system for diagnosing communication connections |
| 07/27/2011 | EP2348324A1 Test apparatus, manufacturing method, and pallet for parallel RF testing of printed circuit boards |
| 07/27/2011 | EP2347932A1 Malfunction recognition for electricity consumers in motor vehicles |
| 07/27/2011 | EP2347310A1 Method for an improved checking of repeatability and reproducibility of a measuring chain, in particular for the quality control by means of the semiconductor device testing |
| 07/27/2011 | EP2347272A2 Determination of properties of an electrical device |
| 07/27/2011 | EP1738183B1 Rewiring substrate strip with several semiconductor component positions |
| 07/27/2011 | EP1505401B1 Battery capacity calculation method |
| 07/27/2011 | EP1329013B1 Battery monitoring network |
| 07/27/2011 | EP1257836B1 Electric arc monitoring systems |
| 07/27/2011 | CN201910618U Ground wire isolator |
| 07/27/2011 | CN201910595U Intelligent tour inspection traveling mechanism for operating state of high-voltage lines |
| 07/27/2011 | CN201910526U Socket for ageing test to CQFP device with 132 lines and 0.635 pitches |
| 07/27/2011 | CN201910525U Aging-test socket for 144-line 0.635-pitch ceramic quad-flat-packing components |
| 07/27/2011 | CN201910474U BMS and electric vehicle adopting same |
| 07/27/2011 | CN201910473U Device for monitoring voltage and current of standby sodium-sulphur battery in power grid |
| 07/27/2011 | CN201909918U 液晶面板检测装置 LCD panel detector |
| 07/27/2011 | CN201909836U ATS (automatic test system) for power high-voltage switchboard of LCD TV (liquid crystal display television) |
| 07/27/2011 | CN201909835U Battery testing circuit without external power supply |
| 07/27/2011 | CN201909834U Wireless detection system for battery pack of electric police car |
| 07/27/2011 | CN201909833U Energy feedback asynchronous motor testing device based on Lab VIEW platform |
| 07/27/2011 | CN201909832U Automatic protection switch test device |
| 07/27/2011 | CN201909831U Automatic test system for magnetic card decoding circuit |
| 07/27/2011 | CN201909830U Test circuit of mobile power source protective plate |
| 07/27/2011 | CN201909829U Track circuit failure digital intelligent diagnostic apparatus |
| 07/27/2011 | CN201909828U Test system for bubble electric discharge of transformer |
| 07/27/2011 | CN201909827U Insulating rope test bench |
| 07/27/2011 | CN201909826U Cable disconnection test circuit |
| 07/27/2011 | CN201909825U Testing device for detecting electric function of transmission line |
| 07/27/2011 | CN201909824U Intelligent detector for CT (Current Transformer) secondary circuit |
| 07/27/2011 | CN201909823U Power transmission line transient current-carrying capacity monitoring device |
| 07/27/2011 | CN201909822U Active voltage negative increase tester for testing charger |
| 07/27/2011 | CN201909821U Spare power automatic switching device tester |
| 07/27/2011 | CN201909820U Fast detecting device of electric cabinet |
| 07/27/2011 | CN201909819U Compound type power filter tester |
| 07/27/2011 | CN201909818U Static electricity testing device for LCD (Liquid Crystal Display) |
| 07/27/2011 | CN201909817U Open-type line loss detector |
| 07/27/2011 | CN201909809U Measuring instrument for 25-Hz phase-sensitive track circuit |
| 07/27/2011 | CN201909796U Shielding sleeve for voltage withstanding test of high-voltage cables |
| 07/27/2011 | CN201909792U Intelligent switch-off rotating speed tester for centrifugal switch |
| 07/27/2011 | CN201909667U Running status voice and local electro-discharge online monitoring and analyzing device of transformer |
| 07/27/2011 | CN102138261A Gas-insulated device |
| 07/27/2011 | CN102138248A Nonaqueous electrolyte secondary battery charging method and charging device |
| 07/27/2011 | CN102136744A Battery management system and a driving method thereof |
| 07/27/2011 | CN102136743A Battery management system and driving method thereof |
| 07/27/2011 | CN102136741A Power supply device and discharging method thereof |
| 07/27/2011 | CN102136726A Method and device for detecting operation mode of convertor station |
| 07/27/2011 | CN102136612A Battery charging control method, device and system |
| 07/27/2011 | CN102136359A Novel oil immersed inverted vertical current transformer and insulation detection method thereof |
| 07/27/2011 | CN102136227A Intelligent installing and connecting device for detecting LED case on line |
| 07/27/2011 | CN102135603A Device for estimating cycle life of battery |
| 07/27/2011 | CN102135602A Synchronous intelligent checking device of generator |
| 07/27/2011 | CN102135601A Magnetic field detection-based synchronous motor static excitation device fault diagnosis method |
| 07/27/2011 | CN102135600A Fault detection device and method of asynchronous motor |
| 07/27/2011 | CN102135599A Pure electric vehicle power matching method |
| 07/27/2011 | CN102135598A Device and method for testing durability of automobile relay |
| 07/27/2011 | CN102135597A Data processing method for testing parameters of chips |
| 07/27/2011 | CN102135596A Method for realizing frequency fine-tuning of chip on parallel testing machine |
| 07/27/2011 | CN102135595A Device for direct-current and impulse superposition voltage test in high-altitude region |
| 07/27/2011 | CN102135594A Insulation state monitoring device of high voltage motor for main fan used for mine |
| 07/27/2011 | CN102135593A On-line diagnosis and evaluation method of insulation state of large electric machine |
| 07/27/2011 | CN102135592A Interpolar withstand voltage test device of metallized power capacitor |
| 07/27/2011 | CN102135591A Resonant grounding power grid single-phase ground fault db wavelet transient component line selection method |
| 07/27/2011 | CN102135590A Method for detecting technical performance of travelling-wave distance measuring equipment |
| 07/27/2011 | CN102135589A Distance measurement method for line phase-to-phase fault distance protection |
| 07/27/2011 | CN102135588A Intelligent ranging method for radiation network fault by utilizing S transformation spectrum characteristics |
| 07/27/2011 | CN102135587A Fault monitoring method and system of power line |
| 07/27/2011 | CN102135586A Method and device for detecting abnormal event of voltage of power grid and power supply monitoring equipment |
| 07/27/2011 | CN102135585A Method for precisely positioning turn-to-turn short circuit fault point of rotor of large turbo-generator |
| 07/27/2011 | CN102135584A Testing method for testing bending capability of semi-finished product IC of LCM module and IC bending jig |
| 07/27/2011 | CN102135583A Automatic detecting device for detecting short circuit unusualness of internal circuit and shell of optical module |
| 07/27/2011 | CN102135582A Mainboard tester |
| 07/27/2011 | CN102135581A Method for monitoring probe test utilization rate in real time |
| 07/27/2011 | CN102135580A Capacitor detector |
| 07/27/2011 | CN102135579A Online monitoring and managing system for power consumption information |
| 07/27/2011 | CN102135578A Method for diagnosing an electrical connection and output assembly |
| 07/27/2011 | CN102135577A Method and device for tracking service life of electronic and electrical products |
| 07/27/2011 | CN102135576A Switching tester of substation condenser bank |
| 07/27/2011 | CN102135575A Testing device and method for lightning protection capacity of modem terminal |
| 07/27/2011 | CN102135561A Measuring device and method for zero-sequence current of non-effectively neutral grounded system |
| 07/27/2011 | CN102135555A Series arcing fault identifying method for low-voltage system |
| 07/27/2011 | CN102135549A ICT testing auxiliary jig and testing method thereof |
| 07/27/2011 | CN101655540B Direct methanol fuel cell test device |
| 07/27/2011 | CN101650395B Crystal oscillator detection device |
| 07/27/2011 | CN101644733B Fixture for testing precise printed circuit board |
| 07/27/2011 | CN101639523B Method and device for measuring internal impedance of secondary battery, method and device for determining deterioration, and power supply system |
| 07/27/2011 | CN101639502B System for automatically measuring charge distribution on surface of solid medium |
| 07/27/2011 | CN101634689B System and method for testing power supply properties |
| 07/27/2011 | CN101629983B Judging method of double-bus bus-coupled running mode |
| 07/27/2011 | CN101603994B On-line monitoring device of metallic oxide arrester |
| 07/27/2011 | CN101587152B Power quality monitoring system |
| 07/27/2011 | CN101587084B Needle track inspection device, detecting device and needle track checking procedure |
| 07/27/2011 | CN101587024B Pressure head device for testing key life |
| 07/27/2011 | CN101556305B Automatic diagnostic method and equipment of parallel ports of embedded type equipment |
| 07/27/2011 | CN101556304B Automatic diagnostic method and equipment of serial ports of embedded type equipment |
| 07/27/2011 | CN101556293B Intelligent high-pressure range switching device |
| 07/27/2011 | CN101526572B Remote monitoring method and system of electric motor of oil extractor based on power-frequency communication of electric wires |
| 07/27/2011 | CN101515006B Method for measuring nonlinear susceptibility of materials |
| 07/27/2011 | CN101408587B Semiconductor integrated circuit |