| 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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| 06/12/2013 | CN103149490A Method for ascertaining a short-circuit in a stator core |
| 06/12/2013 | CN103149489A Disconnection discrimination method for electrified railway autotransformer (AT) traction network |
| 06/12/2013 | CN103149488A Battery defect test method and battery defect test device |
| 06/12/2013 | CN103149487A Quick data acquiring method for train radiation emission test |
| 06/12/2013 | CN103149486A Function and performance testing method of low-voltage complete reactive power compensation device |
| 06/12/2013 | CN103149485A Transient-state waveform analysis system based on electronic mutual inductor |
| 06/12/2013 | CN103149484A Detection method for current converter trigger control device function |
| 06/12/2013 | CN103149483A Lightning arrester on-line monitoring method based on capacitance network |
| 06/12/2013 | CN103149482A Inspection device and method for ship-borne satellite signal receiving antenna |
| 06/12/2013 | CN103149481A Comprehensive electrically propelled wheelchair tester |
| 06/12/2013 | CN103149480A Load simulating device for electromagnetic compatibility testing of high-power motor |
| 06/12/2013 | CN103149479A Multifunctional debugging trolley |
| 06/12/2013 | CN103149478A Method for detecting working point of current transformer under direct current magnetic biasing condition |
| 06/12/2013 | CN103149477A Grounding grid defect diagnosis method and system utilizing square wave excitation source |
| 06/12/2013 | CN103149476A Electric-vibration model-based power transformer failure diagnosis method |
| 06/12/2013 | CN103149475A Method and system for fault diagnosis of electrical equipment |
| 06/12/2013 | CN103149474A Online detection device and detection method for electrical energy quality of scattering users |
| 06/12/2013 | CN103149473A Full-automatic test device used for grounding material conductivity change |
| 06/12/2013 | CN103149472A Voltage-current mapping constructing method based on double-terminal excitation measuring model |
| 06/12/2013 | CN103149471A Calibration method and calibration device for battery charger and charging pile |
| 06/12/2013 | CN103149470A Method of distinguishing transformer magnetizing rush current by transformer winding vibration |
| 06/12/2013 | CN103149469A Climate correcting method of radio disturbance and audible noise of direct current transmission line |
| 06/12/2013 | CN103149468A Electron component parameter testing device |
| 06/12/2013 | CN103149467A Contact sensing device capable of achieving short circuit ground wire on-line monitoring |
| 06/12/2013 | CN103149466A Electrolytic machining spark detection device |
| 06/12/2013 | CN103149465A Meter device |
| 06/12/2013 | CN103149464A Capacitance screen sensor function piece testing device |
| 06/12/2013 | CN103149463A System and method for heating ventilation and air conditioning component detection |
| 06/12/2013 | CN103149407A Circuit arrangement |
| 06/12/2013 | CN103149394A Shortening type deionized water terminal for cable partial discharge test |
| 06/12/2013 | CN103149391A Test frame |
| 06/12/2013 | CN103149388A Integrated circuit test connecting device and integrated circuit test connecting method |
| 06/12/2013 | CN103149386A Electronic load module of power supply aging test and power supply aging test system |
| 06/12/2013 | CN103149212A On-line quality detection system of button cell |
| 06/12/2013 | CN103149039A Energy-saving assessment system of central air-conditioning system |
| 06/12/2013 | CN103149033A Offline fault detection method for electromobile |
| 06/12/2013 | CN102707214B Method for detecting positive and saturation voltage drop of transistor chip of discrete device |
| 06/12/2013 | CN102493105B Electronic weft selector output short circuit preventing and alarming device |
| 06/12/2013 | CN102426336B On-line monitoring device of operating state of mining high-voltage distribution isolating switch |
| 06/12/2013 | CN102353891B Digital integrated circuit fundamental tester |
| 06/12/2013 | CN102338845B Insulation characteristic test device of insulating rod |
| 06/12/2013 | CN102338836B Floating power supply detecting circuit of ignition circuit |
| 06/12/2013 | CN102288914B TDOF (three degree of freedom) dynamic and static loading integrated testing apparatus for linear motor |
| 06/12/2013 | CN102288899B Precise constant-current constant-voltage applying test circuit |
| 06/12/2013 | CN102288875B Low-current grounding wire-selecting method |
| 06/12/2013 | CN102288416B Integrated test method and test machine for electric baby carriage performance |
| 06/12/2013 | CN102279352B Corona test method for effect of direct current transmission line on adjacent trees |
| 06/12/2013 | CN102279347B Judgment of grounding fault line in multi-stage power supply network system |
| 06/12/2013 | CN102279329B Judging method for half-wave excitation surge current based on vector relationship of transformer sampling value |
| 06/12/2013 | CN102230950B Method for diagnosing apparatus internal electromagnetic interference failure |
| 06/12/2013 | CN102221658B Multi-split air-conditioning indoor and outdoor unit mistaken wiring detection method |
| 06/12/2013 | CN102185167B Battery discharge off-state judgment method for vehicle-mounted battery management system |
| 06/12/2013 | CN102183720B Safety digital quantity acquiring circuit and realizing method thereof |
| 06/12/2013 | CN102162833B Method and circuit for detecting working condition of relay in high voltage loop of electric automobile |
| 06/12/2013 | CN102156232B System and method for testing electromagnetic valve of automatic transmission |
| 06/12/2013 | CN102135598B Device and method for testing durability of automobile relay |
| 06/12/2013 | CN102109579B Signal monitoring system for controlling electric light source and signal monitoring method |
| 06/12/2013 | CN102109573B Device and method for testing dV/dt tolerance of high voltage integrated circuit |
| 06/12/2013 | CN102096020B Relay protection malfunction distance measuring and calibrating method of electric power system |
| 06/12/2013 | CN102095901B Substrate for use in measuring electric characteristics |
| 06/12/2013 | CN102087335B Circuit signal detection device |
| 06/12/2013 | CN102043123B Test circuit of scan chain |
| 06/12/2013 | CN102013874B An amplifier output amplitude detection circuit |
| 06/12/2013 | CN102005739B Method for identifying extra-high voltage direct current transmission line area inside and outside fault wavelet energy |
| 06/12/2013 | CN101963930B Automatic test device |
| 06/12/2013 | CN101957432B Liquid resistor loading device |
| 06/12/2013 | CN101910852B Assembly for detecting electric discontinuity between an electric contact and an electrically conducting member mounted in the detection circuit |
| 06/12/2013 | CN101907646B Wireless long-distance digital alarm meter reading terminal and system for monitoring metering fault by null-balance method |
| 06/12/2013 | CN101865974B Logic tester and method for simultaneously measuring delay time of a plurality of devices to be measured |
| 06/12/2013 | CN101846724B Method and apparatus for diagnosing an integrated circuit |
| 06/12/2013 | CN101783687B Design for testability circuit and method for full digital switched capacitor sigma-delta modulator |
| 06/12/2013 | CN101762756B Laser pump-based online monitoring system for power equipment running state |
| 06/12/2013 | CN101730850B Automated test and characterization data analysis methods and arrangement |
| 06/12/2013 | CN101726694B Partial discharging detection apparatus for gas insulated equipment |
| 06/11/2013 | US8464117 System for testing integrated circuit with asynchronous clock domains |
| 06/11/2013 | US8464116 Logic 1 and 0 formatter inputs for parallel scan paths |
| 06/11/2013 | US8464115 Fully X-tolerant, very high scan compression scan test systems and techniques |
| 06/11/2013 | US8464114 IC TAP with IR select output and controller enable input |
| 06/11/2013 | US8464113 Scan architecture for full custom blocks with improved scan latch |
| 06/11/2013 | US8464112 Wrapper selection circuits with selection and enable inputs |
| 06/11/2013 | US8464111 Select, override and master override controlling multiplexing TDI and TDO |
| 06/11/2013 | US8464110 State machine transitioning states from sequence 3 to idle 2 |
| 06/11/2013 | US8464109 Pad switch cells selectively coupling test leads to test pads |
| 06/11/2013 | US8464108 Scan collector and parallel scan paths with controlled output buffer |
| 06/11/2013 | US8464107 Surrogate circuit for testing an interface |
| 06/11/2013 | US8464105 Method of multiuser precoding and scheduling and base station for implementing the same |
| 06/11/2013 | US8463572 Semiconductor device |
| 06/11/2013 | US8463565 LED flashlight with battery life indicator |
| 06/11/2013 | US8463564 Abnormality prediction system for secondary batteries |
| 06/11/2013 | US8463563 Battery management system and driving method thereof |
| 06/11/2013 | US8463562 Device and method for detecting abnormality of electric storage device |
| 06/11/2013 | US8462888 Pair-swap independent trellis decoder for a multi-pair gigabit transceiver |
| 06/11/2013 | US8462819 Adaptive clock recovery with step-delay pre-compensation |
| 06/11/2013 | US8462658 Cooperative communication method and base station |
| 06/11/2013 | US8462654 Communications system with bonding engine configured for maximum packet fragment size as adapted to communications line pairs and related method |
| 06/11/2013 | US8462650 Methods for supporting rapid network topology changes with low overhead costs and devices of the same |
| 06/11/2013 | US8462646 Characterization of co-channel interference in a wireless communication system |
| 06/11/2013 | US8462638 Soft preemption for minimizing preemptions in a network |
| 06/11/2013 | US8462635 Resource reservation protocol with traffic engineering point to multi-point label switched path hierarchy |
| 06/11/2013 | US8462634 System and method for automatically adapting audio packet marking in a packet network |