Patents
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)
12/2013
12/04/2013EP2668512A1 Method for the contactless determination of an electrical potential of an object using two different values for the electric flux, and device
12/04/2013EP2668061A2 Device for controlling the charging of an electrical battery of a system, by estimating parasite impedance and/or non-linear effect upstream of a charger
12/04/2013EP2667940A1 System and method for estimating battery capacity
12/04/2013EP2494372B1 Device and method for testing internal resistance of battery pack
12/04/2013CN203326937U Servo controller capable of self diagnosis of encoder faults
12/04/2013CN203326671U Control circuit for electronic cigarette case
12/04/2013CN203326586U Novel digitized line protection detection and control device
12/04/2013CN203326583U Monitoring and protecting device of electric power device
12/04/2013CN203326577U Inverter's fault current detection and protection circuit
12/04/2013CN203324455U Rear lamp testing device
12/04/2013CN203324454U LED lamp debugging instrument
12/04/2013CN203324453U CMOS coulombmeter remaining electricity quantity display circuit of mobile power supply
12/04/2013CN203324452U Ultrasonic motor transient characteristic testing device
12/04/2013CN203324451U Serial port communication-based wind turbine generator operation data acquisition device
12/04/2013CN203324450U Static-parameter acquisition apparatus for wind turbine generator
12/04/2013CN203324449U Electricity generator fault detecting device
12/04/2013CN203324448U Cabin station testing device for wind generating set
12/04/2013CN203324447U Motor test testbed
12/04/2013CN203324446U Inductance sensor switching frequency testing device
12/04/2013CN203324445U Switch performance detector
12/04/2013CN203324444U Test voltage-stabilization relay system
12/04/2013CN203324443U Frequency shift track circuit test system
12/04/2013CN203324442U Rapid pluggable test fixture
12/04/2013CN203324441U Test fixture
12/04/2013CN203324440U Single particle test sample cap opening protection device
12/04/2013CN203324439U Tester of integrated operational amplifier
12/04/2013CN203324438U Aging test batten for OLED packaging motherboard
12/04/2013CN203324437U Debugging tool for miniature circuit board and data downloading tool
12/04/2013CN203324436U Double-sided solar cell electrical performance test device
12/04/2013CN203324435U Simple solar cell panel test system
12/04/2013CN203324434U Ultraviolet discharge detection data monitoring platform
12/04/2013CN203324433U Voltage-withstanding tool for 550 kV bus
12/04/2013CN203324432U Novel insulation online monitoring system for high-voltage capacitive electrical equipment
12/04/2013CN203324431U Power transmission line lightning stroke positioning online monitoring device
12/04/2013CN203324430U Portable direct current grounding line selection device
12/04/2013CN203324429U Fault detection and diagnostic device for solar battery array
12/04/2013CN203324428U AC power supply output short circuit detection device
12/04/2013CN203324427U Wiring harness on-off detector
12/04/2013CN203324426U Array substrate and display
12/04/2013CN203324425U Temporary ground wire assembling and disassembling state signal extraction device
12/04/2013CN203324424U Arc fault detection apparatus
12/04/2013CN203324423U Underground cable electric leakage detection device
12/04/2013CN203324422U Device for detecting leakage current of resistance temperature detector
12/04/2013CN203324421U Conductor detection device
12/04/2013CN203324420U Line tester
12/04/2013CN203324419U Direct-current power insulation detection device
12/04/2013CN203324418U Line detector
12/04/2013CN203324417U Turn-to-turn short circuit tester of distribution transformer coil
12/04/2013CN203324416U Electronic fence short circuit testing ring
12/04/2013CN203324415U Core aligner for power cable equipment
12/04/2013CN203324414U Twisted-pair cable on-off tester
12/04/2013CN203324413U Automatic online detection device for multi-station simultaneous detection
12/04/2013CN203324412U Electric energy quality monitoring device based on virtual instrument
12/04/2013CN203324411U CPCI test device
12/04/2013CN203324410U TF card socket automatic test device in mobile phone production line
12/04/2013CN203324409U Transformer DC bias magnet fault simulation structure
12/04/2013CN203324408U Wind farm power transmission line load acquisition system
12/04/2013CN203324407U Testing device for meter reading port of intelligent electric meter
12/04/2013CN203324406U Detector for automatically clamping lightning arresters
12/04/2013CN203324405U Movable lightning arrester inspection platform
12/04/2013CN203324404U Test circuit for small current grounding line selection device
12/04/2013CN203324403U Power distribution network feed line protection digital dynamic test system comprising distributed power sources
12/04/2013CN203324402U Mobile type transformer comprehensive testing system
12/04/2013CN203324401U Annual electricity consumption testing box
12/04/2013CN203324400U Electric appliance energy consumption metering system
12/04/2013CN203324399U Power equipment digital monitoring equipment
12/04/2013CN203324398U Distributed photovoltaic inverter testing system
12/04/2013CN203324397U Passive AC micro-current collection amplifying apparatus
12/04/2013CN203324396U High power locomotive traction current transformer test system
12/04/2013CN203324395U Frequency conversion debugging platform
12/04/2013CN203324394U Resistor disc 1 milliampere test recorder
12/04/2013CN203324393U Power transmission equipment test system
12/04/2013CN203324392U On-site debugging device for distribution automation terminal
12/04/2013CN203324391U General bus test system
12/04/2013CN203324365U Charge/discharge current detection device for storage battery
12/04/2013CN203324358U Household single-phase protector with power indicator
12/04/2013CN203324324U Special insulating rod for resistive current test of arresters
12/04/2013CN203324308U Complete machine detection tool
12/04/2013CN203324211U Device for measuring specific heat capacity and calorific value of battery
12/04/2013CN203324017U Performance test system for camera VCM motor
12/04/2013CN203323907U Process temperature transmitter
12/04/2013CN103430372A Method for estimating the self-discharge of a lithium battery
12/04/2013CN103430155A Test scheduling with pattern-independent test access mechanism
12/04/2013CN103430039A Insulated condition detector with fault detection and location
12/04/2013CN103430036A Earth leakage detection device
12/04/2013CN103430035A Charging apparatus and method for determining conduction state
12/04/2013CN103430034A Detection device and detection method
12/04/2013CN103430033A Battery system
12/04/2013CN103430031A Apparatus for inspecting semiconductor device
12/04/2013CN103430017A Fault detection for laminated core
12/04/2013CN103427816A Proximity switch with fault detection function
12/04/2013CN103427797A Pulse generator circuit arrangement and method for generating pulsed signals
12/04/2013CN103427790A Frequency-selecting amplification circuit for measurement of weak signal
12/04/2013CN103427687A Method for tracking maximum power point of photovoltaic inverter when constant-voltage source inputs voltages
12/04/2013CN103427678A Test control system of high voltage oil tank of X-ray machine
12/04/2013CN103427485A Device used for detecting direct current power supply connected to alternating current power supply and direct current power supply ripples and used in transformer substation
12/04/2013CN103427483A Networked automatic stand-by power switching device and information processing and testing method thereof
12/04/2013CN103427440A Photovoltaic power generation system isolated power system operation and switching detection structure and testing method
12/04/2013CN103427417A Power distribution network fault processing method based on multi-source information fusion
12/04/2013CN103427134A Method for operating state-of-charge indicator for battery, indicating circuit and monitoring circuit