| 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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| 04/06/2011 | CN201788253U Fault location system for distribution lines |
| 04/06/2011 | CN201788252U Fault location device for power transmission line struck by lightning |
| 04/06/2011 | CN201788251U Detector for high-definition multimedia interfaces |
| 04/06/2011 | CN201788250U Electric leakage monitoring device being capable of using in abnormal power failure |
| 04/06/2011 | CN201788249U Pressing layer offset testing device |
| 04/06/2011 | CN201788248U High-voltage busbar ground wire detector |
| 04/06/2011 | CN201788247U Device for detecting connection of time schedule controller and wiring harness |
| 04/06/2011 | CN201788246U Acquisition device for calculating disappearing time and period of grid voltage |
| 04/06/2011 | CN201788245U Online monitor device for service life of arrester with gaps |
| 04/06/2011 | CN201788244U Simulating detection device of electric network |
| 04/06/2011 | CN201788243U Direct-current protection testing device |
| 04/06/2011 | CN201788242U Protection test device of USB equipment |
| 04/06/2011 | CN201788241U Detection circuit for attenuation of capacitance value of capacitor for rectifying and filtering |
| 04/06/2011 | CN201788240U Automatic tester for performance of valve electromagnet |
| 04/06/2011 | CN201788239U Electric motor testing jig of transformer |
| 04/06/2011 | CN201788238U Novel device for detecting performance of an insulator |
| 04/06/2011 | CN201788237U Handheld electric wave recording analyzer |
| 04/06/2011 | CN201788236U Special detection device of sliding contact power supply dolly |
| 04/06/2011 | CN201788221U Dual-use test pen for alternating-current circuit and direct-current circuit |
| 04/06/2011 | CN201788202U Electronic load circuit |
| 04/06/2011 | CN201788199U Inductance test fixture |
| 04/06/2011 | CN201788196U Fixing device for acoustic emission sensor |
| 04/06/2011 | CN201788195U Fixture for measuring LED (light-emitting diode) with overhung base pins |
| 04/06/2011 | CN201788194U Testing fixture for electrical property of integrated circuit package chips |
| 04/06/2011 | CN201788163U Part assembly |
| 04/06/2011 | CN201788019U Flame detecting device |
| 04/06/2011 | CN1582397B Roller contact conductive brushes |
| 04/06/2011 | CN102007420A Method and device for predicting a rechargeable battery's lifetime |
| 04/06/2011 | CN102007419A Determining degraded insulating ability in insulation provided between two objects of an inductively operating element |
| 04/06/2011 | CN102005904A Power circuit used for non-input rectification alternating current load or high-frequency power supply |
| 04/06/2011 | CN102005791A Charging detection method and device for small-capacity battery |
| 04/06/2011 | CN102005757A Method for recognizing grid topology based on measurement spanning tree |
| 04/06/2011 | CN102005742A Distributed power generation island detection system and method based on power frequency carrier wave |
| 04/06/2011 | CN102005741A Distribution network line single phase earthing fault diagnosis and isolation method and device |
| 04/06/2011 | CN102005739A Method for identifying extra-high voltage direct current transmission line area inside and outside fault wavelet energy |
| 04/06/2011 | CN102005720A Neutral line breakage detection protection method and device |
| 04/06/2011 | CN102005705A Suspended line walking robot |
| 04/06/2011 | CN102005400A Failure detection method and failure detection device |
| 04/06/2011 | CN102004334A Method for detecting faults of liquid crystal display panel |
| 04/06/2011 | CN102004232A Monitoring apparatus of neutralization apparatus, monitoring method of neutralization apparatus, and a program for monitoring neutralization apparatus |
| 04/06/2011 | CN102004230A Method for carrying out spectroscopical detection by pulse two-way drive of LED and pulse two-way drive constant-current source |
| 04/06/2011 | CN102004229A System and method for testing network combination photovoltaic inverter |
| 04/06/2011 | CN102004228A Detection method and device of terminal battery voltage |
| 04/06/2011 | CN102004227A High power battery detection circuit of electric vehicle |
| 04/06/2011 | CN102004226A Pure electrical vehicle battery pack state-of-charge (SOC) estimation device and method |
| 04/06/2011 | CN102004225A Test method and device for half cell of fluid bed electrode direct carbon fuel cell |
| 04/06/2011 | CN102004224A Three-phase motor phase failure detection system and detection method thereof |
| 04/06/2011 | CN102004223A On-line checking method for breaking current of breaker |
| 04/06/2011 | CN102004222A Method and device for monitoring state of relay in vehicle-mounted battery management system |
| 04/06/2011 | CN102004221A Reciprocal energy feeding test device for actuating mechanism of dual linear induction motors |
| 04/06/2011 | CN102004220A Method and system for testing chips |
| 04/06/2011 | CN102004219A Infrared focal plane array detector simulation device and method |
| 04/06/2011 | CN102004218A Chip acceptability testing method |
| 04/06/2011 | CN102004217A Circuit structure capable of reducing influence of test and testing method thereof |
| 04/06/2011 | CN102004216A Method for testing instability of a negative bias temperature |
| 04/06/2011 | CN102004215A Withstand voltage tester with earthed testing end |
| 04/06/2011 | CN102004214A Test method of insulating cord |
| 04/06/2011 | CN102004213A Direct-detection type intelligent direct-current system insulation and state diagnosis instrument |
| 04/06/2011 | CN102004212A Equivalent load device of direct current converter valve multiple valve tests |
| 04/06/2011 | CN102004211A Method for detecting insulation defect of high-voltage cable accessory |
| 04/06/2011 | CN102004210A Method for measuring partial discharge of joint with insulation defect |
| 04/06/2011 | CN102004209A Distribution network cable fault on-line distance measuring equipment and distance measuring method |
| 04/06/2011 | CN102004208A Method for rapidly distinguishing CT wire break in bus protection |
| 04/06/2011 | CN102004207A Multi-core cable malposition connection detecting method |
| 04/06/2011 | CN102004206A Method for inputting and comparing wiring harness data in automobile wiring harness detection equipment |
| 04/06/2011 | CN102004205A Judging methods of single phase-to-earth fault and resonance overvoltage fault in small current grounding system |
| 04/06/2011 | CN102004204A Method for detecting false solder of battery pack |
| 04/06/2011 | CN102004203A Leakage current detection device |
| 04/06/2011 | CN102004202A Microcomputer relay protection tester |
| 04/06/2011 | CN102004201A Cable gas insulated switchgear (GIS) terminal tester |
| 04/06/2011 | CN102004200A Vehicle-mounted filed test device and method of alternating current charging pile |
| 04/06/2011 | CN102004199A Alternating current charging post in-situ test device and method |
| 04/06/2011 | CN102004198A Double-axis feedback low-voltage alternating current variable frequency electric transmission test system and method |
| 04/06/2011 | CN102004197A Method for measuring a resistance of resist memory device and the resistance measuring system |
| 04/06/2011 | CN102004196A Electric signal detection device |
| 04/06/2011 | CN102004189A Intelligent and multifunctional high-voltage megameter |
| 04/06/2011 | CN102004184A System for and method of virtual simultaneous sampling with a single ADC core |
| 04/06/2011 | CN102004183A Voltage detection circuit |
| 04/06/2011 | CN102004182A System and implementation method for monitoring grounding current of transformer core on line |
| 04/06/2011 | CN102004181A Method and system for testing leakage current of light-emitting diode (LED) |
| 04/06/2011 | CN102004174A 模拟断路器 Analog Circuit Breakers |
| 04/06/2011 | CN102004172A Insulating bracket for supporting high-voltage lead |
| 04/06/2011 | CN102004171A Automobile combined switch durability test device |
| 04/06/2011 | CN102004170A Semiconductor chip test socket |
| 04/06/2011 | CN102004110A Optical testing device and testing method using the same |
| 04/06/2011 | CN101782432B Universal photoelectric test system for tera-hertz spectra |
| 04/06/2011 | CN101666848B Fault location method based on travelling wave |
| 04/06/2011 | CN101625397B Mixed rapid estimation method for residual energy of battery |
| 04/06/2011 | CN101620258B Voltage flash-stopping detecting circuit |
| 04/06/2011 | CN101614781B Intelligent diagnosis method of radio and television equipment based on spatial rule index |
| 04/06/2011 | CN101604499B 测试装置 Testing device |
| 04/06/2011 | CN101592697B Polarity intelligent recognition device |
| 04/06/2011 | CN101556306B Switch apparatus back-arc medium recovery strength nanosecond continuous pulse measuring device and method thereof |
| 04/06/2011 | CN101551433B Distribution network feed out circuit fault circuit selection method by using HHT detection technology |
| 04/06/2011 | CN101546906B Method for fault line selection of electric distribution network by using S transformation energy relative entropy |
| 04/06/2011 | CN101533069B Combined scanning unit of integrated circuit |
| 04/06/2011 | CN101509939B Electric power meter protection device |
| 04/06/2011 | CN101487875B Radio frequency identification label test method suitable for product line |
| 04/06/2011 | CN101471060B Display processing equipment and time sequence controller |
| 04/06/2011 | CN101470154B Pressure-resistant test system |