| 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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| 01/31/2013 | US20130027077 Systems and apparatus for fault detection in dc power sources using ac residual current detection |
| 01/31/2013 | US20130027076 Apparatus for detecting pattern alignment error |
| 01/31/2013 | US20130027075 Method and apparatus for testing a semiconductor device |
| 01/31/2013 | US20130027074 Voltage Test devices Used in LCD Panels and a System Thereof |
| 01/31/2013 | US20130027071 Active probe card for electrical wafer sort of integrated circuits |
| 01/31/2013 | US20130027069 Test jig for ablator |
| 01/31/2013 | US20130027068 Apparatus and method for testing operation performance of an electronic module under specified temperature |
| 01/31/2013 | US20130027067 Damage reduction method and apparatus for destructive testing of power semiconductors |
| 01/31/2013 | US20130027066 Transistor test structure |
| 01/31/2013 | US20130027057 Switching apparatus, switching apparatus manufacturing method, transmission line switching apparatus, and test apparatus |
| 01/31/2013 | US20130027056 System and method for testing fuse blow reliability for integrated circuits |
| 01/31/2013 | US20130027055 Communication line testing with protective devices in place |
| 01/31/2013 | US20130027054 Protection of unsealed electrical connectors |
| 01/31/2013 | US20130027053 Method of testing parallel power connections of semiconductor device |
| 01/31/2013 | US20130027052 Bicycle electrical system diagnostic device |
| 01/31/2013 | US20130027051 Noncontact electrical testing with optical techniques |
| 01/31/2013 | US20130027050 System and method for inspection of electrical circuits |
| 01/31/2013 | US20130027047 State-of-charge estimating apparatus |
| 01/31/2013 | US20130027046 Method and device for testing solenoid valves |
| 01/31/2013 | DE19603107B4 Selbst-Voralterungsschaltung für Halbleiterspeicher Self-Voralterungsschaltung for semiconductor memories |
| 01/31/2013 | DE102012211793A1 Batteriezellenspannungs-Ausgleichssystem und -verfahren Battery cell voltage balancing system and method |
| 01/31/2013 | DE102012211724A1 Batteriezellkapazitätsausgleichssystem und -verfahren Battery cell capacitance compensation system and method |
| 01/31/2013 | DE102012106543A1 Verfahren und System zur Überwachung einer Synchronmaschine Method and system for monitoring of a synchronous machine |
| 01/31/2013 | DE102012014471A1 Energieversorgungsschaltung für elektrische Komponenten Power supply circuit for electrical components |
| 01/31/2013 | DE102011108822A1 Method for characterization of electro-optic component for electric circuit, involves holding component by generation and extraction of carriers, and determining mobility, density and service life of carriers in optical excited material |
| 01/31/2013 | DE102011108591A1 Überwachungsvorrichtung für eine doppelgespeiste Asynchronmaschine A monitoring apparatus for a double-fed asynchronous machine |
| 01/31/2013 | DE102011080115A1 Decoupling unit for partial discharge measurement of high-voltage machines, has insulating support, which is connected to plastic overmoulding block through screw connection, where connector plug is fastened to cable |
| 01/31/2013 | DE102011079935A1 Device for monitoring failure of connector of high-voltage cable sleeve utilized to connect two high-voltage cables for energy transmission, has transmitting and receiving unit for sending and receiving data over wireless communication link |
| 01/31/2013 | DE102011079765A1 Vorrichtung und Verfahren zum kontinuierlichen Überprüfen einer elektrischen Verbindung sowie eines Analog-Digital-Umsetzers An apparatus and method for continuously checking an electrical connection as well as an analog-to-digital converter |
| 01/31/2013 | DE10000364B4 Merkmalbasierende Feststellung von Fehlern Feature-based detection of faults |
| 01/31/2013 | CA2840914A1 Monitoring apparatus for a double-fed asynchronous machine |
| 01/30/2013 | EP2551690A2 Battery monitoring device |
| 01/30/2013 | EP2551689A2 Device for calculating impedances of battery cell and battery impedance measuring system |
| 01/30/2013 | EP2551688A1 Device, method and system for determining battery degradation |
| 01/30/2013 | EP2551687A1 Device for estimating internal state of battery, and method for estimating internal state of battery |
| 01/30/2013 | EP2551686A1 Charge state estimation apparatus |
| 01/30/2013 | EP2551685A1 Diagnostic system and method for failures in electromechanical actuators |
| 01/30/2013 | EP2551684A1 Method and device for testing solenoid valves |
| 01/30/2013 | EP2551143A2 Vehicle infrared monitoring system for electrified railway catenary |
| 01/30/2013 | EP2550752A1 Estimating pair symmetry status for a communication line |
| 01/30/2013 | EP2550734A2 Method for operating a brushless electric motor |
| 01/30/2013 | EP2550702A1 Monitoring system for an energy storage cell |
| 01/30/2013 | EP2550539A1 Method and device for predetermining value for characteristic quantity from load-supplying system |
| 01/30/2013 | EP2550509A1 Method and system for the time synchronization of the phase of signals from respective measurement devices |
| 01/30/2013 | EP2550173A2 Method for examining a state of a circuit of a motor vehicle |
| 01/30/2013 | CN202713182U Inverter detecting insulation resistances of solar cell panel and power grid |
| 01/30/2013 | CN202712922U Detection and maintenance instrument for backup battery of coal mine monitoring substation |
| 01/30/2013 | CN202712446U System for single end grounding of signal-cable shielding layers |
| 01/30/2013 | CN202710987U Built-in relay type power acquisition terminal control circuit state detection device |
| 01/30/2013 | CN202710737U Testing machine for high-temperature resistance of LED light bar |
| 01/30/2013 | CN202710736U Lamp testing tool for whole panel of LED lamp |
| 01/30/2013 | CN202710735U Power supply test device for sun-shading curtain |
| 01/30/2013 | CN202710734U Detection device of LED lamp and power supply |
| 01/30/2013 | CN202710733U Electric quantity recording apparatus of battery charger |
| 01/30/2013 | CN202710732U Novel full on-line storage battery test maintenance device |
| 01/30/2013 | CN202710731U Storage battery intelligent on-line discharging device |
| 01/30/2013 | CN202710730U Lead-acid storage battery on-line monitoring and assembling system device |
| 01/30/2013 | CN202710729U High-power three-phase AC inductive load box and control circuit thereof |
| 01/30/2013 | CN202710728U High-power three-phase AC inductive load box |
| 01/30/2013 | CN202710727U Intelligent test and maintenance platform for comprehensive motor |
| 01/30/2013 | CN202710726U Megawatt wind generating set full power testing stand vibration monitoring protection device |
| 01/30/2013 | CN202710725U Oil injection generator oil source vehicle |
| 01/30/2013 | CN202710724U Air conditioning step motor monitor |
| 01/30/2013 | CN202710723U Automatic detection system of alternating current contactor |
| 01/30/2013 | CN202710722U Relay motion frequency detection device |
| 01/30/2013 | CN202710721U Electrical performance intelligent experiment unit for electric contact |
| 01/30/2013 | CN202710720U Multifunctional detecting machine of automobile combination switch |
| 01/30/2013 | CN202710719U Switch failure detection device |
| 01/30/2013 | CN202710718U Circulation transmission point measurement parameter output device based on PWM |
| 01/30/2013 | CN202710717U Power unit debugging and checking device |
| 01/30/2013 | CN202710716U Novel programmer |
| 01/30/2013 | CN202710715U PCBA (Printed Circuit Board Assemble) jointed board testing device |
| 01/30/2013 | CN202710714U Base capable of preventing edge collapse of silicon block and errors in minority carrier lifetime detection |
| 01/30/2013 | CN202710713U Device capable of avoiding surface damage of silicon block in minority carrier lifetime tests |
| 01/30/2013 | CN202710712U I-V characteristic adjusting and sampling device of solar cell |
| 01/30/2013 | CN202710711U Sunlight simulator for testing solar cells |
| 01/30/2013 | CN202710710U Withstand voltage testing jig of vertical transformers |
| 01/30/2013 | CN202710709U Voltage withstand testing jig of horizontal transformer |
| 01/30/2013 | CN202710708U Testing device for frequency converter |
| 01/30/2013 | CN202710707U Cable defect simulation testing device |
| 01/30/2013 | CN202710706U Insulation detection device for busbar of machine controller used in electric vehicle |
| 01/30/2013 | CN202710705U Pollution flashover arc monitoring system for high-voltage transmission and transformation lines |
| 01/30/2013 | CN202710704U Online fault positioner for high-voltage power cable |
| 01/30/2013 | CN202710703U Online fault positioner for high-voltage power cable |
| 01/30/2013 | CN202710702U Medium-voltage distribution network fault monitoring device |
| 01/30/2013 | CN202710701U Cable fault detection and location system based on waveform reproduction |
| 01/30/2013 | CN202710700U Line-breaking detection instrument |
| 01/30/2013 | CN202710699U Capacitive type touch screen sensing glass make-and-break test device |
| 01/30/2013 | CN202710698U Air-leakage and short-circuit detection device of lithium battery |
| 01/30/2013 | CN202710697U DMX (DataMultiplexer) 512 circuit detecting system |
| 01/30/2013 | CN202710696U Hot channel detector |
| 01/30/2013 | CN202710695U 线缆检测仪 Cable Tester |
| 01/30/2013 | CN202710694U Leakage test resistor device |
| 01/30/2013 | CN202710693U Intrinsically safe isolation leakage detection device and excavation apparatus |
| 01/30/2013 | CN202710692U Single-phase alternating current load connection and disconnection detection circuit |
| 01/30/2013 | CN202710691U Cable online monitoring device based on wireless transmission of MG323 |
| 01/30/2013 | CN202710690U Lightning arrester leakage current online monitoring system based on wireless sensor network |
| 01/30/2013 | CN202710689U Rotary drilling rig wire harnesses short circuit and broken circuit automatic detection device |
| 01/30/2013 | CN202710688U Probe device for detecting arc lights |
| 01/30/2013 | CN202710687U Working performance tester for pulse electromagnetic valve |