| 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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| 04/20/2011 | CN201804087U Synthetic test loop for bypass switch |
| 04/20/2011 | CN201804086U Direct test circuit for bypass switch |
| 04/20/2011 | CN201804085U Direct test circuit for bypass switch switching current tests |
| 04/20/2011 | CN201804084U Synthetic test loop for input current test of bypass switch |
| 04/20/2011 | CN201804083U Life detection test bench for spring operating mechanism of high-voltage sulfur hexafluoride circuit breaker |
| 04/20/2011 | CN201804082U Control and protection switch electric appliance inspection device based on virtual instrument technique |
| 04/20/2011 | CN201804081U Automatic test system of trench marker circuit |
| 04/20/2011 | CN201804080U Precision measurement unit and test system |
| 04/20/2011 | CN201804079U Automobile circuit system and special storage battery analyzer |
| 04/20/2011 | CN201804078U Withstand voltage test box |
| 04/20/2011 | CN201804077U Test device of insulating rod |
| 04/20/2011 | CN201804076U Intelligent digital detector for circuits |
| 04/20/2011 | CN201804075U Transmission line single-ended fault locating device based on field programmable gate array (FPGA) |
| 04/20/2011 | CN201804074U Warning circuit for safety module of main distribution frame |
| 04/20/2011 | CN201804073U Experiment and evaluation system for feature data for life of fuser |
| 04/20/2011 | CN201804072U Polarity test instrument for current transformer |
| 04/20/2011 | CN201804071U Polarity tester for current transformer |
| 04/20/2011 | CN201804070U Polarity detecting system for magnetic head voice coil |
| 04/20/2011 | CN201804069U Electric appliance leakage monitor with indicator alarming function |
| 04/20/2011 | CN201804068U Analog self-checking circuit |
| 04/20/2011 | CN201804067U Self-diagnostic device for sensor system |
| 04/20/2011 | CN201804066U Intelligent detection instrument for surge protector of embedded system |
| 04/20/2011 | CN201804065U Device for testing durability of automobile washer |
| 04/20/2011 | CN201804064U Performance detection tooling for electronic transformer |
| 04/20/2011 | CN201804063U Quick diagnostic unit for relay protection plug-in modules |
| 04/20/2011 | CN201804062U Testing device for flexible flat cable honing tin |
| 04/20/2011 | CN201804061U Current temperature rise detection device for copper foil of circuit board |
| 04/20/2011 | CN201804060U High-voltage insulation resistance tester of chip piezoelectric ceramic transformer |
| 04/20/2011 | CN201804059U Spare power supply automatic switching tester for traction substation |
| 04/20/2011 | CN201804058U Multi-channel aluminum foil intelligent test instrument |
| 04/20/2011 | CN201804057U Spectral characteristic identification device for photoresistor |
| 04/20/2011 | CN201804056U Main loop current measurement device for high-voltage direct-current power transmission converter valve |
| 04/20/2011 | CN201804055U Voltage measuring device for high-voltage DC transmission valve assembly |
| 04/20/2011 | CN201804054U Failure detection system for alternating-current switch machine |
| 04/20/2011 | CN201804053U Automatic test system for dynamic test |
| 04/20/2011 | CN201804052U Integrative testing device for low frequency and frequency conversion current transformer |
| 04/20/2011 | CN201804051U Electric conduction element of aging test desk |
| 04/20/2011 | CN201804049U Three-phase power supply open-phase warning circuit |
| 04/20/2011 | CN201804043U Synthetic electric energy detection instrument for DC electric power |
| 04/20/2011 | CN201804027U Short circuit detecting clamp for automobile window control functional switch |
| 04/20/2011 | CN201804025U 50kV high-voltage fixture for tests of electrical strength of insulating materials |
| 04/20/2011 | CN201804024U Locating pin for circuit board tester jig |
| 04/20/2011 | CN201804023U Current-carrying and voltage-sharing aluminium pipe |
| 04/20/2011 | CN201803858U Gas source pipe testboard |
| 04/20/2011 | CN201803857U On-line monitoring and diagnosing system for mechanical properties of GIS (Gas-Insulated Metal-Enclosed Switchgear) control mechanism |
| 04/20/2011 | CN201802013U Solar tile system with solar tile installation self-checking function |
| 04/20/2011 | CN201800614U On-site partial discharge test vehicle for power equipment |
| 04/20/2011 | CN201798650U Electric leakage alarm foot tub |
| 04/20/2011 | CN1955717B Reducing of error alarm in PCB detection |
| 04/20/2011 | CN1869722B Channel switching circuit |
| 04/20/2011 | CN1841077B Compilation of calibration information for plural testflows |
| 04/20/2011 | CN1808130B Probe board for semiconductor chip detection and its producing method |
| 04/20/2011 | CN102027754A Methods, systems and computer program products for operating a communications network with enhanced security |
| 04/20/2011 | CN102027660A A method and a device for estimating the clamping force on a winding package of a transformer or a reactor |
| 04/20/2011 | CN102027655A Method for detecting cell state-of-charge and state-of-discharge divergence of a series string of batteries or capacitors |
| 04/20/2011 | CN102027380A Test system with high frequency interposer |
| 04/20/2011 | CN102027355A Method of determining a feature of a battery using tomography1 |
| 04/20/2011 | CN102027339A Full function test for in situ test of sensors and amplifiers |
| 04/20/2011 | CN102025196A Service oriented architecture (SOA)-based grid equipment monitoring and failure positioning wireless system |
| 04/20/2011 | CN102025179A Management and control system for storage battery |
| 04/20/2011 | CN102025175A Constant-current and constant-power discharge device |
| 04/20/2011 | CN102025124A Single phase earth connection relaying protective method |
| 04/20/2011 | CN102025123A Elevator control cabinet phase loss detection circuit |
| 04/20/2011 | CN102025001A Terminal and charging and power supplying method thereof |
| 04/20/2011 | CN102024672A Method for analyzing reference yield value of semiconductor products |
| 04/20/2011 | CN102024624A Device and method to monitor electrical contact status |
| 04/20/2011 | CN102024520A Cable with leakage detection function |
| 04/20/2011 | CN102024519A Cable with electric leakage detecting function |
| 04/20/2011 | CN102023286A Zero current detection circuit for series resonance charging source and design method thereof |
| 04/20/2011 | CN102023285A Undervoltage detection circuit of power supply |
| 04/20/2011 | CN102023284A Fast test method for cell capacity internal resistance and tester |
| 04/20/2011 | CN102023283A On-line measuring method of accumulator capacity |
| 04/20/2011 | CN102023282A Positioning method and equipment for detecting solar cell plate |
| 04/20/2011 | CN102023281A Synchronization test surveymeter for high voltage load control switch |
| 04/20/2011 | CN102023280A Measuring circuit for thyristor operating angle and triggering angle of alternating-current resistance welder |
| 04/20/2011 | CN102023279A Arrester insulation aging test device and test method |
| 04/20/2011 | CN102023278A Method and device for identifying partial discharge interference of GIS equipment |
| 04/20/2011 | CN102023277A Homonymic phase inter-line fault phase selection method of four-parallel line on same tower based on twelve-sequence component |
| 04/20/2011 | CN102023276A System for detecting generator winding faults |
| 04/20/2011 | CN102023275A Circuit single-end ranging method based on phase aberration characteristic of positioning function |
| 04/20/2011 | CN102023274A Method for removing ceramic packaging body from chip |
| 04/20/2011 | CN102023273A Portable domestic photo voltaic power station performance tester |
| 04/20/2011 | CN102023272A High-voltage DC transmission conversion transient low-voltage test method and circuit thereof |
| 04/20/2011 | CN102023271A Spare power automatic switching logic test method for verifying automatic switching modes of high voltage side buscouple switch |
| 04/20/2011 | CN102023270A Intelligent power network parameter sensor |
| 04/20/2011 | CN102023269A Low-voltage apparatus durability test system |
| 04/20/2011 | CN102023268A Device and method for measuring quench propagation velocity of superconducting coil |
| 04/20/2011 | CN102023267A High-power detection platform for charger |
| 04/20/2011 | CN102023266A Ballast detector |
| 04/20/2011 | CN102023265A False battery device |
| 04/20/2011 | CN102023264A Method for monitoring state of metal oxide lightning arrester |
| 04/20/2011 | CN102023260A Method, capacitance meter, computer program and computer program product for improved capacitance measurement |
| 04/20/2011 | CN102023253A Lightning-proof monitoring warning system |
| 04/20/2011 | CN102023242A Current source for test of high voltage direct current transmission commutation valve and synthesis test method of current source |
| 04/20/2011 | CN102023241A Contact probe pin for semiconductor test apparatus |
| 04/20/2011 | CN102023240A Active type non-contact probe card |
| 04/20/2011 | CN102023238A Clamp used for SiC MESFET (Metal Semiconductor Field Effect Transistor) direct current test |
| 04/20/2011 | CN102023237A Device for leveling head plate and probe apparatus |
| 04/20/2011 | CN102023236A Test structure and test method |
| 04/20/2011 | CN102023235A Contrapuntal detection equipment and contrapuntal detection method of solar cell panel detection system |