| 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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| 12/18/2013 | CN103457300A Emergency power cabinet applied to field construction businesses |
| 12/18/2013 | CN103457247A Multi-level full-range selective coordination and protection technology of low-voltage system |
| 12/18/2013 | CN103457238A Method for detecting and protecting direct-current arc of photovoltaic power generation system and circuit |
| 12/18/2013 | CN103457232A Short-circuit protection circuit of direct-current load and illuminator |
| 12/18/2013 | CN103457111A Light emitting connector, electronic product and detection device |
| 12/18/2013 | CN103457042A Active rod antenna |
| 12/18/2013 | CN103457005A Battery cell with ressure sensitive film sensor |
| 12/18/2013 | CN103457003A Charge control device for secondary battery, charge control method for secondary battery |
| 12/18/2013 | CN103455844A Power transformer state monitoring method based on neural network |
| 12/18/2013 | CN103455148A Keyboard, key detecting method and mobile device |
| 12/18/2013 | CN103454595A Lamp power detecting system |
| 12/18/2013 | CN103454594A Lamp head rotating tool |
| 12/18/2013 | CN103454593A Storage battery service life measurement method based on measurement of internal resistance and voltage |
| 12/18/2013 | CN103454592A Method and system for estimating charge state of power battery |
| 12/18/2013 | CN103454591A Semiconductor device, battery state monitoring module, and vehicle system |
| 12/18/2013 | CN103454590A Method of estimating state of charge of secondary cell, state-of-charge estimation device, cell pack, electronic apparatus, and electric vehicle |
| 12/18/2013 | CN103454589A Battery module performance detecting method for electric car |
| 12/18/2013 | CN103454588A Four-channel matching tester for lithium ion battery cell |
| 12/18/2013 | CN103454587A Four-channel automatic tester for lithium ion batteries |
| 12/18/2013 | CN103454586A Novel testing device for single-ended bearing supporting structure motor |
| 12/18/2013 | CN103454585A Permanent magnet synchronous motor field failure diagnosis method based on residual voltage after ac dump |
| 12/18/2013 | CN103454584A High voltage ride through testing device for wind generating set |
| 12/18/2013 | CN103454583A Testing method, testing device and installation method of modularized split type vacuum direct-drive motor |
| 12/18/2013 | CN103454582A Detection device for broken-down electric arcs of breaker |
| 12/18/2013 | CN103454581A Contactor performance testing equipment |
| 12/18/2013 | CN103454580A Device for testing characteristics of breaker opening and closing coils |
| 12/18/2013 | CN103454579A Method and system for testing chip digital interface |
| 12/18/2013 | CN103454578A Automatic test system method for operating equipped test equipment |
| 12/18/2013 | CN103454577A Scan chain structure and method and equipment for diagnosing scan chain |
| 12/18/2013 | CN103454576A Test machine for finished chips |
| 12/18/2013 | CN103454575A System, PCBA board and method for achieving PCBA board testing |
| 12/18/2013 | CN103454574A Static testing device for circuit board |
| 12/18/2013 | CN103454573A Test device for testing a flat module |
| 12/18/2013 | CN103454572A Battery analog circuit |
| 12/18/2013 | CN103454571A Test system, test method and test device using test system |
| 12/18/2013 | CN103454570A Circuit layout short circuit detecting method and device |
| 12/18/2013 | CN103454569A Semiconductor chip test board |
| 12/18/2013 | CN103454568A Method for monitoring running state of LED illuminating lamp through temperature measurement |
| 12/18/2013 | CN103454567A PV component PID horizontal test method and system with set water film thickness |
| 12/18/2013 | CN103454566A Electric-branch testing method of cable accessory silicone rubber materials suitable for being used in low-temperature environment |
| 12/18/2013 | CN103454565A High-voltage groove internal voltage testing device |
| 12/18/2013 | CN103454564A Partial discharge detecting system and method for high voltage switch cabinet |
| 12/18/2013 | CN103454563A On-line monitoring system and positioning method for partial discharge in gas insulated switchgear |
| 12/18/2013 | CN103454562A One-phase grounding clustering line selection method of resonant grounding system |
| 12/18/2013 | CN103454561A Single-phase earth fault positioning method of power distribution network |
| 12/18/2013 | CN103454560A Pollution flashover monitoring device |
| 12/18/2013 | CN103454559A Power distribution network single-phase earth fault zone positioning method and positioning device |
| 12/18/2013 | CN103454558A Method and device for detecting voltage fluctuation failures of double-pole direct-current transmission system |
| 12/18/2013 | CN103454557A Method and device for detecting cable fault |
| 12/18/2013 | CN103454556A Tour inspection device with 3D scanning function and detection method thereof |
| 12/18/2013 | CN103454555A Power distribution network single-phase earth fault section positioning method based on parameter identification |
| 12/18/2013 | CN103454554A Current transformer polarity tester |
| 12/18/2013 | CN103454553A Secondary side phase checking device of voltage transformer |
| 12/18/2013 | CN103454552A Transformer winding deformation on-line monitoring chip |
| 12/18/2013 | CN103454551A Three-hole power socket fault detector |
| 12/18/2013 | CN103454550A Method for diagnosing standard deviation of detail coefficients of faults of power converter of switched reluctance motor |
| 12/18/2013 | CN103454549A Early detection, recognition and line determination method for short circuit faults of looped network power distribution system |
| 12/18/2013 | CN103454548A Digital line sequence collator based on programmable logic chip |
| 12/18/2013 | CN103454547A High-voltage equipment insulation on-line monitoring system |
| 12/18/2013 | CN103454546A Method and device for detecting cable core breakage and short circuit faults automatically |
| 12/18/2013 | CN103454545A Thermocouple welding detection device |
| 12/18/2013 | CN103454544A Linear field suppression circuit detection method based on electronic jumper |
| 12/18/2013 | CN103454543A Method for diagnosing faults of bidirectional DC-DC converter |
| 12/18/2013 | CN103454542A Antenna, transmission line tester and real-time automatic correction method |
| 12/18/2013 | CN103454541A Testing terminal for direct current cables |
| 12/18/2013 | CN103454540A Manual accelerating electrical ageing test method for ceramic insulator |
| 12/18/2013 | CN103454539A Photovoltaic quality detection data automation processing system |
| 12/18/2013 | CN103454538A Instrument used for quality analysis |
| 12/18/2013 | CN103454537A Wind power generation low-voltage ride-through detection equipment and method based on wavelet analysis |
| 12/18/2013 | CN103454536A Power transformer test method |
| 12/18/2013 | CN103454535A Comprehensive load series connection arc fault identification method |
| 12/18/2013 | CN103454534A Surge testing system and surge testing method |
| 12/18/2013 | CN103454533A Working condition assessment method of electric dust remover |
| 12/18/2013 | CN103454532A Spraying device used for extra-high voltage artificial climatizer ice coating |
| 12/18/2013 | CN103454531A System and method for monitoring electricity consumption for production of formation aluminum foil |
| 12/18/2013 | CN103454530A Detection device and detection method for power quality |
| 12/18/2013 | CN103454529A System and method for detecting capacitive touch screen performance |
| 12/18/2013 | CN103454528A Method for detecting and identifying electric system element fault based on form singular entropy |
| 12/18/2013 | CN103454527A Temperature-rising test device for resistor in 10KV power grid |
| 12/18/2013 | CN103454526A Method for judging fault type of winding based on power transformer |
| 12/18/2013 | CN103454525A LED testing table |
| 12/18/2013 | CN103454524A System for measuring electromagnetic compatibility based on geographic information system and programmable attenuator |
| 12/18/2013 | CN103454523A Method for measuring electromagnetic compatibility between receiving device and transmitting device based on geographical information system |
| 12/18/2013 | CN103454522A Electronic replacement part technology state automatic detection system and method based on PXI bus |
| 12/18/2013 | CN103454521A Wind power plant power grid operation simulator |
| 12/18/2013 | CN103454520A Transformer winding deformation on-line monitoring method based on on-line frequency response method |
| 12/18/2013 | CN103454519A System and method for calculation/liquid crystal display of electrical parameters of active power filter |
| 12/18/2013 | CN103454518A Energy acquisition terminal |
| 12/18/2013 | CN103454517A Method for online monitoring capacitive voltage transformers |
| 12/18/2013 | CN103454516A Intelligent transformer substation secondary equipment health state diagnosis method |
| 12/18/2013 | CN103454515A Imaging self-diagnosing system and method |
| 12/18/2013 | CN103454514A Test bed of belt conveyer comprehensive protector |
| 12/18/2013 | CN103454513A Circuit for testing rotation durability of lamp |
| 12/18/2013 | CN103454512A Touch screen hardness testing method |
| 12/18/2013 | CN103454511A Floor-type detecting platform of auxiliary train power supply system |
| 12/18/2013 | CN103454510A Carbon piece tester |
| 12/18/2013 | CN103454509A Mobile phone charging detecting system and mobile phone charging detecting method |
| 12/18/2013 | CN103454508A Four-channel overcurrent and overvoltage protecting tester |
| 12/18/2013 | CN103454507A Testing device for double-rate counter |
| 12/18/2013 | CN103454506A Electronic module sampling accuracy testing device |