| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 05/22/2013 | CN103116084A Adaptive fixing device for field strength antenna |
| 05/22/2013 | CN103116083A Very low frequency (VLF) / low frequency (LF) frequency range ground lightening detection positioning system |
| 05/22/2013 | CN103116082A Server electromagnetic radiation near field detection and analysis method |
| 05/22/2013 | CN103116081A Calibration method of pulse current |
| 05/22/2013 | CN102411080B Optical electric field sensor |
| 05/22/2013 | CN102187238B Determining electric grid endpoint phase connectivity |
| 05/22/2013 | CN101814906B Duty correction circuit |
| 05/21/2013 | US8447548 Method using time to digital converter for direct measurement of set pulse widths |
| 05/21/2013 | US8446155 Analog circuit test device |
| 05/16/2013 | WO2013069462A1 Method for detecting unbalance in a 3-phase voltage signal and unbalance detector |
| 05/15/2013 | CN202939230U Portable high voltage current inductor transformation ratio measuring device |
| 05/15/2013 | CN202939229U Three-phase power supply phase sequence discrimination and phase loss detection circuit |
| 05/15/2013 | CN202939228U Individual electromagnetic radiation exposure monitoring alarm apparatus |
| 05/15/2013 | CN103105542A High voltage electrode device for pulsed electro-acoustic space charge measuring system |
| 05/15/2013 | CN103105541A Near field probe used for detecting electromagnetic interference radiation performance and application method thereof |
| 05/15/2013 | CN103105540A Coaxial high-voltage pulse probe with sensitivity coefficient adjustable |
| 05/15/2013 | CN103105539A System and method of monitoring electromagnetic radiation |
| 05/15/2013 | CN102313851B Method for testing electromagnetic interference propagation path of motor drive system of pure electric vehicle |
| 05/15/2013 | CN101438176B Time lapse analysis with electromagnetic data |
| 05/14/2013 | US8442782 Method for determining and/or monitoring a process variable of a medium, and corresponding apparatus |
| 05/14/2013 | CA2477066C Mass spectrometer |
| 05/10/2013 | WO2013040497A3 Systems and methods for sensing environmental changes using light sources as sensors |
| 05/09/2013 | US20130113462 Device for Measuring Electromagnetic Field Intensity |
| 05/09/2013 | US20130113458 Led lamp driver identification |
| 05/08/2013 | CN202929128U Static atomizing charge mass ratio measuring apparatus |
| 05/08/2013 | CN202929127U Circuit for detecting three-phase electricity phase sequence and open phase |
| 05/08/2013 | CN202929126U High-frequency information monitoring device |
| 05/08/2013 | CN202929109U Alarm against electromagnetic interference |
| 05/08/2013 | CN103097899A Holding device and system for positioning a device for a wireless communication in a measurement environment |
| 05/08/2013 | CN103095527A Method and system for measuring signal transmission time |
| 05/08/2013 | CN103094658A Antenna regulation device |
| 05/08/2013 | CN103091568A Avalanche photodiode excessive noise factor measuring system |
| 05/08/2013 | CN103091567A Instrument and method for space electric charge density measurement |
| 05/08/2013 | CN103091566A Measuring system for traffic load road surface vibration energy piezoelectric generation |
| 05/08/2013 | CN103091565A Detecting method and detecting system for direct current combined field strength |
| 05/08/2013 | CN103091564A Steel-belt-type detection device for evaluation of microwave flatness |
| 05/08/2013 | CN103091541A Intelligent substation secondary transient voltage measuring device and measuring method |
| 05/08/2013 | CN103091523A Changing-over type anechoic chamber |
| 05/08/2013 | CN102207538B 多功能干簧管测试仪 Multifunction reed tester |
| 05/08/2013 | CN102128990B Method for judging power amplifier saturation in electromagnetic radiation sensitivity automatic test |
| 05/08/2013 | CN101868784B Method and device for agile computing |
| 05/07/2013 | US8437969 Accurate magnetic field sensor and method for wireless phasor measurement unit |
| 05/07/2013 | US8436777 Measurement apparatus and method thereof |
| 05/07/2013 | US8436625 Identification of power system primary arcs based on pulse density |
| 05/02/2013 | WO2013063187A2 Shielding integrity testing for cable drop |
| 05/02/2013 | US20130106663 Radio field intensity measurement device, and radio field intensity detector and game console using the same |
| 05/02/2013 | US20130106436 Touch Sensor With Measurement to Noise Synchronization |
| 05/02/2013 | DE102011085425A1 Method for testing magnetizable circuit for electrical machine in manufacturing method, involves providing gap between two core portions of magnetizable circuit, where coil is arranged on magnetizable circuit |
| 05/01/2013 | CN202916362U Device for testing the shielding effectiveness of small shielding cavity |
| 05/01/2013 | CN202916359U Radio frequency leakage test device |
| 05/01/2013 | CN202916352U Small shielding effectiveness testing fixture device |
| 05/01/2013 | CN202916351U Annular near-field test probe |
| 05/01/2013 | CN202916350U Spherical near-field test probe |
| 05/01/2013 | CN202916349U Rod-like near-field test probe |
| 05/01/2013 | CN202916348U Detection device |
| 05/01/2013 | CN103076529A CT (Current Transformer) secondary circuit intelligent-detection method |
| 05/01/2013 | CN103076523A Method for optimizing electromagnetic compatibility balance state |
| 05/01/2013 | CN103076521A Equipment layout regulating method on basis of exposure measurement on microwave frequency band radiation |
| 05/01/2013 | CN103076519A Three-phase load imbalance monitoring device for mobile distribution transformer |
| 05/01/2013 | CN103076509A Micro-power measuring device and method based on precise torsion balance cycle method |
| 05/01/2013 | CN103076508A Inverted low-power-consumption constant-speed electric field instrument |
| 05/01/2013 | CN103076507A Radio frequency module, sampling device, antenna test system and antenna test method |
| 05/01/2013 | CN103076506A Preparation and application method of electromagnetic radiation source indicating liquid and indicating material |
| 05/01/2013 | CN103076505A Three-dimensional space prediction method for electromagnetic radiation of TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) mobile communication base station environment |
| 05/01/2013 | CN103076504A Phase detection device and method of cantilever beam capacitance type micro mechanical microwave power sensor |
| 05/01/2013 | CN103076503A Environmental electromagnetic radiation three-dimensional prediction method of GSM (Global System for Mobile Communication) mobile communication base station |
| 05/01/2013 | CN103076502A System and method for collecting remote and synchronous measuring data of moving object target |
| 05/01/2013 | CN102288839B Optoelectronic integration three-dimensional electric field sensor system |
| 05/01/2013 | CN102023262B Method for recognizing arc grounding overvoltage of 35 kV power grid |
| 05/01/2013 | CN101769968B Mutual inductor no-load voltage ratio tester |
| 04/26/2013 | DE202013002682U1 Zirkular polarisierte Breitbandantenne und Anordnung derselben in einem reflektionsarmen Raum Circularly polarized broadband antenna and arrangement thereof anechoic in a room |
| 04/25/2013 | WO2013057416A1 Method and device for analysing the quality of the electrical energy in a three-phase electric network |
| 04/25/2013 | WO2013013162A3 Identification of electrical grid phase information for end-points in a grid network |
| 04/25/2013 | US20130099985 System for simulating electromagnetic environments including a network of a plurality of probes |
| 04/25/2013 | US20130099797 Variable Impedance Device |
| 04/25/2013 | US20130099772 Method and apparatus for detecting a lightning strike |
| 04/25/2013 | US20130099119 System for measuring an electromagnetic field |
| 04/25/2013 | DE10392151B4 Verfahren und Vorrichtung zur Erfassung im Frequenzbereich basierend auf einer Zeitbereichsmessung Method and apparatus for detection in the frequency domain based on a time domain measurement |
| 04/25/2013 | DE102011116545A1 Integrierte Magnetfeldmessvorrichtung Integrated magnetic field measuring device |
| 04/25/2013 | CA2849963A1 Method and device for analysing the quality of the electrical energy in a three-phase electric network |
| 04/24/2013 | EP2490031B1 Method and system for measuring an electrical quantity in an electrical network |
| 04/24/2013 | CN202903902U Surface contact thermoelectricity measuring instrument |
| 04/24/2013 | CN202903901U Micro-electric-quantity measuring instrument based on multi-time light reflection amplification method |
| 04/24/2013 | CN202903900U A micro electric quantity measuring instrument based on an optical projection method |
| 04/24/2013 | CN202903899U Intelligent substation phasing tester based on complete FPGA sampling control |
| 04/24/2013 | CN202903898U Non-contact three-phase alternating current phase sequence measurement circuit |
| 04/24/2013 | CN202903897U Detection tool for detecting phase sequence of stator assembly of electric automobile air-conditioner motor |
| 04/24/2013 | CN202903896U Wireless power frequency electric field intensity measuring device |
| 04/24/2013 | CN202903895U A mobile communication base station environment electromagnetic radiation spatial distribution anti-interference measuring system |
| 04/24/2013 | CN103068134A Processing device and processing method before detection |
| 04/24/2013 | CN103065442A Voltage monitoring system based on transformer station area phase sequence identification |
| 04/24/2013 | CN103064098A Pointing deviation correction method for satellite navigation digital multi-beam launching array antenna |
| 04/24/2013 | CN103063936A Spot low-voltage power line carrier channel noise testing system and method thereof |
| 04/24/2013 | CN103063935A Static detecting device |
| 04/24/2013 | CN103063934A Three-phase voltage phase distinguishing method |
| 04/24/2013 | CN103063933A Measuring circuit of single-particle pulse width |
| 04/24/2013 | CN103063924A Vehicle-mounted integral three-phase direct-current resistance and transformation ratio and load comprehensive testing device and method |
| 04/24/2013 | CN103063909A Linear frequency modulation signal parameter valuation method based on power spectrum |
| 04/24/2013 | CN103063437A Simulation experiment device for aero-engine suction object on-line static monitoring system |
| 04/24/2013 | CN102095943B Early warning method and device of lightning |