| 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) |
|---|
| 05/22/2013 | CN103119426A Method for analysing photovoltaic layer systems using thermography |
| 05/22/2013 | CN103118897A Battery having cell voltage and battery current detection and comprising only one electrical isolation device |
| 05/22/2013 | CN103117554A Intelligent RLC (resistance inductance capacitance) load and island-preventing detecting circuit |
| 05/22/2013 | CN103117547A Low-frequency oscillation source positioning method for electric power system |
| 05/22/2013 | CN103117360A Preparation method of organic nickel oxide resistance storage film and electrical property test method thereof |
| 05/22/2013 | CN103116140A Method for detecting LED visual aid-to-navigation lamps of multi-channel airport |
| 05/22/2013 | CN103116139A Detection method, detection device and detection system of street lamp failure |
| 05/22/2013 | CN103116138A Simulated battery device of three-electrode system for sodium-sulfur batteries |
| 05/22/2013 | CN103116137A Storage battery routing inspection circuit |
| 05/22/2013 | CN103116136A Lithium battery charge state assessment method based on finite difference expansion Kalman algorithm |
| 05/22/2013 | CN103116135A Automatic diagnosis system of battery system fault |
| 05/22/2013 | CN103116134A Double-redundancy steering engine residual life predicting device and method for predicting residual life of double-redundancy steering engine |
| 05/22/2013 | CN103116133A Traffic load pavement vibration energy piezoelectric power generation measuring method and system thereof |
| 05/22/2013 | CN103116132A Motor clamping device |
| 05/22/2013 | CN103116131A Evaluation method of impact of direct launching of 10kV large power motor on running voltage of power distribution network |
| 05/22/2013 | CN103116130A Method for testing switches of automobiles |
| 05/22/2013 | CN103116129A Automobile switch testing equipment |
| 05/22/2013 | CN103116128A Breaker overload testing device and operation method thereof |
| 05/22/2013 | CN103116127A Automobile lamps and lanterns detecting platform |
| 05/22/2013 | CN103116126A Automatic testing platform of service life of temperature relay |
| 05/22/2013 | CN103116125A Test loop for non-sustained disruptive discharge (NSDD) test of vacuum circuit breaker |
| 05/22/2013 | CN103116124A Chip capable of self-calibration of interior crystal oscillator, calibration system and calibration method |
| 05/22/2013 | CN103116123A Integrated circuit and test method thereof |
| 05/22/2013 | CN103116122A Power unit detection circuit, series circuit and bypass detection system |
| 05/22/2013 | CN103116121A Circuit ageing detection method based on self-oscillation circuit |
| 05/22/2013 | CN103116120A Test carrier |
| 05/22/2013 | CN103116119A Test board based on hyper memory (HM) 276 stack-type electronic products and test method thereof |
| 05/22/2013 | CN103116118A Digital photovoltaic array imitator system based on look-up table |
| 05/22/2013 | CN103116117A Automatic high-voltage tester |
| 05/22/2013 | CN103116116A Judging method and device of over line stoppage property of same pole double-circuit line with paralleling reactor |
| 05/22/2013 | CN103116115A Network-distribution single-phase failure line selection method based on virtual active power increment maximal principle |
| 05/22/2013 | CN103116114A Fault location method and system under direct current deicing device earth wire deicing mode |
| 05/22/2013 | CN103116113A Single-ended fault distance detection method of power transmission line based on resonant frequency |
| 05/22/2013 | CN103116112A Double-circuit on same tower double-circuit line fault distance measurement method |
| 05/22/2013 | CN103116111A Method for diagnosing power transformer winding working condition |
| 05/22/2013 | CN103116110A Transformer primary and secondary coil homonymous terminal and synonym terminal recognition device |
| 05/22/2013 | CN103116109A Nonsalient pole type synchronous generator exciting winding turn-to-turn short circuit test system |
| 05/22/2013 | CN103116108A Intelligent detector for direct-current power supply system of transformer substation |
| 05/22/2013 | CN103116107A High voltage direct current power source insulation monitoring device |
| 05/22/2013 | CN103116106A Method for distinguishing free oscillation and forced oscillation of electric power system |
| 05/22/2013 | CN103116105A Fuse protector life test system with overheating protection and warning function |
| 05/22/2013 | CN103116104A Detection device and detection method for ship-borne satellite signal receiving antenna |
| 05/22/2013 | CN103116103A Method for actively detecting frequency drift islands |
| 05/22/2013 | CN103116102A Intelligent power failure testing method and system |
| 05/22/2013 | CN103116101A Adjacent excitation measurement mode based voltage-current mapping construction method |
| 05/22/2013 | CN103116100A Condition monitoring system for intelligent substation equipment on offshore oil platform |
| 05/22/2013 | CN103116099A Testing device for coal-rock temperature affection on coal-rock electric charges |
| 05/22/2013 | CN103116098A Household appliance operating state identification method based on cross correlation coefficient |
| 05/22/2013 | CN103116097A Device parameter online identification method based on multi-section hybrid measurement information |
| 05/22/2013 | CN103116096A Integration unit for electric energy quality monitoring and synchronous sampling method of integration unit |
| 05/22/2013 | CN103116095A Full-automatic detecting system for power quality monitoring devices |
| 05/22/2013 | CN103116094A HID (high intensity discharge) electronic ballast on-line tester |
| 05/22/2013 | CN103116093A Series connection fault arc pre-warning system and detection method thereof |
| 05/22/2013 | CN103116092A Intelligent distribution transformer load test method and device using the same |
| 05/22/2013 | CN103116091A Detection equipment for characteristic of electric control valve |
| 05/22/2013 | CN103116090A Three-phrase pulse-width modulation (PWM) rectifier fault diagnosis method based on wavelet packet analysis and support vector machine |
| 05/22/2013 | CN103116089A Converter transformer state judgment method capable of eliminating factors of conversion selector |
| 05/22/2013 | CN103116088A Analytical method of operation of large transformer with inconsistent three-phase parameters |
| 05/22/2013 | CN103116087A Electric power alternating current-direct current (AC/DC) power source crosstalk computer monitoring protective device |
| 05/22/2013 | CN103116086A Equipment and method of rapid life tests of built-in multihole heater |
| 05/22/2013 | CN103116056A High-voltage direct current broadband domain corona current measurement system |
| 05/22/2013 | CN103116042A Interface board capable of testing battery data |
| 05/22/2013 | CN103115785A Fault diagnosis method and system of vibration reduction system of concrete pump car and concrete pump car |
| 05/22/2013 | CN103115752A Online light source detection unit |
| 05/22/2013 | CN103115672A Motor noise test system |
| 05/22/2013 | CN103115647A Monitoring system for rail transit bow net operating condition |
| 05/22/2013 | CN103115555A Magnetic motor rotor angle positioning instrument |
| 05/22/2013 | CN103115253A Solar laser flashlight with function of detecting electronic quantities |
| 05/22/2013 | CN102353862B Batch aging tooling system for information decryption module of second-generation ID (Identification) card reader |
| 05/22/2013 | CN102331553B Robot apparatus for detecting endurance of combination switches of electric appliance |
| 05/22/2013 | CN102305905B Testing method for wide spectrum photoelectricity testing system |
| 05/22/2013 | CN102262215B Method for detecting stator and rotor air gap eccentric faults of large generator |
| 05/22/2013 | CN102253304B Failure diagnostic method for dynamic stable state of power transformers |
| 05/22/2013 | CN102253291B Testing station for automatic tracking compensation arc complete-set equipment |
| 05/22/2013 | CN102253290B Method for predicting electrical properties of deformed log-periodic antennae based on electromechanical coupling model |
| 05/22/2013 | CN102221673B Method for testing copper loss and temperature rise of multi-phase high-power low-speed permanent magnet synchronous motor |
| 05/22/2013 | CN102095998B Operating state online monitoring method for motor towing system based on electricity parameter information fusion |
| 05/22/2013 | CN102087329B Method for judging turn-to-turn short circuit fault position and number of short circuit turns of steam turbine generator rotor |
| 05/22/2013 | CN102064612B System and method for maintaining condition of relay protection |
| 05/22/2013 | CN102044862B Fault characteristic extraction method for hydrogenerator rotor winding turn-to-turn short circuit |
| 05/22/2013 | CN102043103B Pressure device for testing loop resistance of sealed pole |
| 05/22/2013 | CN102023242B Current source for test of high voltage direct current transmission commutation valve and synthesis test method of current source |
| 05/22/2013 | CN101988948B Member parallel test system and test method thereof |
| 05/22/2013 | CN101960679B Inspection pin protection structure of conduction check apparatus |
| 05/22/2013 | CN101938685B Automatic diagnosis method of automobile sound loudspeaker and antenna |
| 05/22/2013 | CN101937050B Portable multifunctional insulated instrument test rack |
| 05/22/2013 | CN101855774B Secondary battery control device and method |
| 05/22/2013 | CN101762780B Motor control and detection circuit of forced-exhaust gas water heater |
| 05/22/2013 | CN101669036B LSI test apparatus, LSI test method |
| 05/22/2013 | CN101632028B Apparatus and method for detecting charged state of electric storage device |
| 05/22/2013 | CN101571570B Testing method of continuity of integrated circuit and measuring method of contact resistance of integrated circuit |
| 05/22/2013 | CN101545951B Scan control method, scan control circuit and apparatus |
| 05/22/2013 | CN101495879B Detection and monitoring of partial discharge of a power line |
| 05/22/2013 | CN101490575B Single particle upset test circuit and methodology |
| 05/22/2013 | CN101398460B Debugging method for chip electro-static discharge test after failure and device |
| 05/22/2013 | CN101349739B Fuel efficiency measurement system and method for fuel cell vehicle |
| 05/22/2013 | CN101285874B Battery full charge capacity detection method |
| 05/21/2013 | US8448234 Method and apparatus for deep packet inspection for network intrusion detection |
| 05/21/2013 | US8448031 Computer product and apparatus for failure diagnosis support |
| 05/21/2013 | US8447556 Circuits and methods for generating a self-test of a magnetic field sensor |