| 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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| 07/20/2011 | CN102129024A Method for monitoring analog voltage based on IEEE1149.4 |
| 07/20/2011 | CN102129023A Method for measuring heat conduction parameter in thin layer material of active area of semiconductor device |
| 07/20/2011 | CN102129022A Testing and ageing adapter for semiconductor laser |
| 07/20/2011 | CN102129021A LED (Light-Emitting Diode) tester |
| 07/20/2011 | CN102129020A Aging test device |
| 07/20/2011 | CN102129019A Sensor for insulation detection of switching equipment |
| 07/20/2011 | CN102129018A Insulation online monitoring method for high-voltage capacitive equipment |
| 07/20/2011 | CN102129017A Case-based intelligent local discharge fault identification system and identification method |
| 07/20/2011 | CN102129016A Double-point loading detecting signal-based loop cable insulating performance detecting method and device |
| 07/20/2011 | CN102129015A Method for determining branch circuit containing harmonic source at low-voltage side of electric network |
| 07/20/2011 | CN102129014A Method for realizing line phase-to-phase fault single-end distance measurement by utilizing distribution parameter model |
| 07/20/2011 | CN102129013A Distribution network fault location method utilizing natural frequency and artificial neural network |
| 07/20/2011 | CN102129012A Distribution network fault line selection method using form peak valley detection |
| 07/20/2011 | CN102129011A Single-ended phase-to-phase fault location method for distributed capacitance current and fault resistance resistant line |
| 07/20/2011 | CN102129010A Fault line selection method of distribution network based on empirical mode decomposition (EMD) |
| 07/20/2011 | CN102129009A Method for measuring positive sequence parameters of ultra-high voltage transmission line based on double end measuring information |
| 07/20/2011 | CN102129008A Fault detection device for distribution network |
| 07/20/2011 | CN102129007A Method for judging safe area of T-shaped electric power circuit work ticket based on regular way |
| 07/20/2011 | CN102129006A Method for detecting errors of differential protection secondary connection of microcomputer type transformer |
| 07/20/2011 | CN102129005A Transformer substation/power plant secondary circuit direct-current ground indicator and application thereof |
| 07/20/2011 | CN102129004A Method for testing open circuit on PCB |
| 07/20/2011 | CN102129003A Inspection apparatus of circuit substrate |
| 07/20/2011 | CN102129002A Detecting method for judging zero sequence power directional correct connection |
| 07/20/2011 | CN102129001A Digital relay protection device testing system and method |
| 07/20/2011 | CN102129000A Converter transformer protection RTDS real-time digital closed loop test system for and method thereof |
| 07/20/2011 | CN102128999A Electric energy quality monitoring device |
| 07/20/2011 | CN102128998A Aging test method |
| 07/20/2011 | CN102128997A Durability testing device for automobile rotary connector |
| 07/20/2011 | CN102128996A Pneumatic system for automobile rotary connector durability test device |
| 07/20/2011 | CN102128995A Device and method for real-time online identifying piezoelectric parameters of piezoelectric ceramic |
| 07/20/2011 | CN102128994A Circuit and method for verifying reliability of current-limiting resistor |
| 07/20/2011 | CN102128993A Working condition verifying circuit of current-limiting resistor and verifying method thereof |
| 07/20/2011 | CN102128992A Test system for no-load and locked-rotor characteristics of handheld electric tool |
| 07/20/2011 | CN102128991A Aging test device and test method thereof |
| 07/20/2011 | CN102128990A Method for judging power amplifier saturation in electromagnetic radiation sensitivity automatic test |
| 07/20/2011 | CN102128983A Method for measuring phase of power transmission and distribution line |
| 07/20/2011 | CN102128960A Assembling table frame of test device for durability of automobile rotary connector |
| 07/20/2011 | CN102128959A Portable nuclear phase auxiliary vehicle for mid switch cabinet |
| 07/20/2011 | CN102128956A Connecting plate for test socket |
| 07/20/2011 | CN102128955A Auxiliary safety measure device for high-voltage test |
| 07/20/2011 | CN101776725B Fault positioning method for transmission line |
| 07/20/2011 | CN101701999B Method for detecting transmission line fault direction |
| 07/20/2011 | CN101697000B Displacement damage dose detecting method for spacecraft device |
| 07/20/2011 | CN101692110B Method for determining combined insulation thermal resistance of cable and method for calculating current-carrying capacity of cable |
| 07/20/2011 | CN101661076B Method for detecting pollution grade of insulator |
| 07/20/2011 | CN101661069B Dynamic process real-time estimation method of weak observable non-PMU measuring point independent of state matrix |
| 07/20/2011 | CN101655523B Detecting circuit for insulating resistance to ground of power cells |
| 07/20/2011 | CN101650374B Semiconductor component test base provided with temperature-changing device and test machine platform |
| 07/20/2011 | CN101634678B Functional test platform of auxiliary power supply converter of internal-combustion engine locomotive |
| 07/20/2011 | CN101598766B Full-automatic testing device of open type portable motor driver |
| 07/20/2011 | CN101581757B Test system and test method |
| 07/20/2011 | CN101581745B Location method of partial discharge fault source of transformer |
| 07/20/2011 | CN101581742B Detection machine station with contact impedance detection device |
| 07/20/2011 | CN101577415B Method for judging system instability of relay protection of electric power system |
| 07/20/2011 | CN101571572B Detection device and detection method for state of relay contact in automotive high voltage circuit |
| 07/20/2011 | CN101539604B Wiring detection system and wiring detection method |
| 07/20/2011 | CN101533074B Electric energy feedback type electronic load with multi-channel wide voltage input |
| 07/20/2011 | CN101504433B Automatic testing equipment of electronic component |
| 07/20/2011 | CN101496156B Parallelism adjusting mechanism of probe card |
| 07/20/2011 | CN101488659B Method for predicting inrush current of three-phase electric power transformer |
| 07/20/2011 | CN101477176B Measurement correction apparatus and method for residual capacity of battery pack |
| 07/20/2011 | CN101477171B System and method for converting characteristic value storage area into acquisition data extension area |
| 07/20/2011 | CN101413982B Method and apparatus for detecting short circuit of current loop |
| 07/20/2011 | CN101408582B Method and apparatus for testing circuit board |
| 07/20/2011 | CN101382580B Detector device and detection method |
| 07/20/2011 | CN101379409B Secondary cell residual capacity estimating device and residual capacity estimating method |
| 07/20/2011 | CN101377536B Inspection apparatus and inspection method |
| 07/20/2011 | CN101340106B Power supply system of elevator |
| 07/20/2011 | CN101294984B Probe apparatus and detection apparatus |
| 07/20/2011 | CN101285873B Estimation method, device and electronic system |
| 07/20/2011 | CN101285865B Method and apparatus for detecting tip position of probe, alignment method, and probe apparatus |
| 07/20/2011 | CN101261287B Probe assembling |
| 07/20/2011 | CN101237127B Method for eliminating neutral grounding line parallel bug in transmission and distribution system |
| 07/20/2011 | CN101226223B Circuit board level self-test system |
| 07/20/2011 | CN101183144B Single-phase power-supply wiring judgement method and single-phase power supply phase testing circuit |
| 07/20/2011 | CN101059554B Specific exciting frequency accumulator on-line internal resistance four-line measurement method and signal source device |
| 07/20/2011 | CN101034129B Method and device for online monitoring power station and substation grounding grid |
| 07/20/2011 | CN101025437B Circuit for detecting remaining battery capacity |
| 07/19/2011 | US7984354 Generating responses to patterns stimulating an electronic circuit with timing exception paths |
| 07/19/2011 | US7984353 Test apparatus, test vector generate unit, test method, program, and recording medium |
| 07/19/2011 | US7984352 Saving debugging contexts with periodic built-in self-test execution |
| 07/19/2011 | US7984351 Data transfer device and method thereof |
| 07/19/2011 | US7984350 Logic circuitry and recording medium |
| 07/19/2011 | US7984349 IC multiplexer control circuitry for tap selection circuitry |
| 07/19/2011 | US7984348 Series equivalent scans across multiple scan topologies |
| 07/19/2011 | US7984347 System and method for sharing a communications link between multiple communications protocols |
| 07/19/2011 | US7984346 Integrated apparatus for testing image devices |
| 07/19/2011 | US7984343 Inter-device connection test circuit generating method, generation apparatus, and its storage medium |
| 07/19/2011 | US7984342 System and method for MPEG CRC error based video network fault detection |
| 07/19/2011 | US7983871 Method and apparatus for employing previous test insertion results for testing a device |
| 07/19/2011 | US7983870 Integrated circuit and method for determining the operating range of an integrated circuit |
| 07/19/2011 | US7983863 System and method of battery capacity estimation |
| 07/19/2011 | US7983859 System and method for analyzing defects on a wafer |
| 07/19/2011 | US7983704 Methods and apparatus for performing a subscriber identity module (SIM) initialization procedure |
| 07/19/2011 | US7983702 Synchronization of a peer-to-peer communication network |
| 07/19/2011 | US7983670 Wireless fallback for subscribers of wirelined networks |
| 07/19/2011 | US7983252 Enhanced frame aggregation in a wireless network system |
| 07/19/2011 | US7983239 Systems and methods for constructing a virtual model of a multi-hop, multi-access network |
| 07/19/2011 | US7983195 Method of routing virtual links in a frame-switching network with guaranteed determinism |
| 07/19/2011 | US7983189 System and method for tracking performance and service level agreement compliance for multipoint packet services |