| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 03/13/2013 | EP2567478A1 System for simulating electromagnetic environments comprising an array including a plurality of probes |
| 03/13/2013 | CN202794358U Testing device for testing voltage of piezoelectric ceramic igniter |
| 03/13/2013 | CN202794357U Fixed type power phase detection apparatus |
| 03/13/2013 | CN202794356U Ammeter device with three-phase phase position determination function |
| 03/13/2013 | CN202794355U Intelligent dust storm electric field measuring system based on three-dimensional probe and three-dimensional probe |
| 03/13/2013 | CN202794354U Novel system for rapidly calibrating field uniformity of transient electromagnetic fields |
| 03/13/2013 | CN202794353U Support for calibrating field uniformity of transient electromagnetic fields |
| 03/13/2013 | CN202794352U System for quickly calibrating evenness of transient electromagnetic field |
| 03/13/2013 | CN202794351U System with support for calibrating field uniformity of transient electromagnetic field |
| 03/13/2013 | CN202794350U Device for calibrating field uniformity of transient electromagnetic field |
| 03/13/2013 | CN202794349U System for calibrating field uniformity of transient electromagnetic fields |
| 03/13/2013 | CN202794348U Radiation detection apparatus for mobile communication terminal |
| 03/13/2013 | CN202794347U Electromagnetic environment automated testing device for aviational radio navigation station |
| 03/13/2013 | CN202794346U Pulse width detection circuit |
| 03/13/2013 | CN202794345U Intelligent dust storm electric field measuring system with adjustable range based on shield probe |
| 03/13/2013 | CN202794063U Microwave scattering property sample plate |
| 03/13/2013 | CN102967774A Method for calculating total scattered fields of metal bracket with small radar cross section (RCS) |
| 03/13/2013 | CN102967773A Electromagnetic radiation detection pen |
| 03/13/2013 | CN102967772A Two-dimension full automatic electromagnetic field distribution testing system |
| 03/13/2013 | CN102967771A An electromagnetic interference source determiner, an electromagnetic determining method, and an information storage medium |
| 03/13/2013 | CN102967770A Thunder locating method based on chaos particle swarm optimization (PSO) algorithm |
| 03/13/2013 | CN101738545B Electromagnetic wave measuring apparatus |
| 03/12/2013 | US8396688 Systems and methods for impulse noise characterization |
| 03/12/2013 | US8395556 Method for determining the antenna minimum measurement distance |
| 03/12/2013 | CA2535927C Device and method for determining at least one variable associated with the electromagnetic radiation of an object being tested |
| 03/07/2013 | WO2013031874A1 Noise equalizing circuit |
| 03/07/2013 | WO2013030466A1 Device for measuring a duration of a level of an electrical signal |
| 03/07/2013 | WO2013006273A3 Methods and systems for determining an association between nodes and phases via a smart grid |
| 03/06/2013 | CN202770916U Current transformer no-load?voltage?ratio tester |
| 03/06/2013 | CN202770915U Dual power supply controller possessing phase sequence protection function |
| 03/06/2013 | CN202770914U Three-dimensional high-precision full-automatic ultrahigh frequency range type radar antenna near-field test system |
| 03/06/2013 | CN102955092A Antenna layout method for low frequency shielding effectiveness test in separate space environment of shielding cavity |
| 03/06/2013 | CN102955091A Method for testing and evaluating low frequency shielding efficiency of shielding square cabin under condition of complete cabin |
| 03/06/2013 | CN102955085A Radio frequency leakage test method |
| 03/06/2013 | CN102955079A Portable-type high-voltage current transformer transformation-ratio measurement device |
| 03/06/2013 | CN102955078A Novel alternating-current nuclear phase circuit |
| 03/06/2013 | CN102955077A Anti-interference measuring system and method for space distribution of environmental-electromagnetic radiation of mobile communication base station |
| 03/06/2013 | CN102955076A Design method of spherical near field test probe |
| 03/06/2013 | CN102955075A Design method of rod-shaped near field test probe |
| 03/06/2013 | CN102955074A Design method for annular near-field test probe |
| 03/06/2013 | CN102062819B Intelligent nuclear phase device |
| 03/06/2013 | CN101825666B Method for measuring safety distance between suspension arm of crane and running super high voltage transmission line |
| 03/05/2013 | US8392134 Antenna testing device and antenna testing method using the same |
| 03/05/2013 | US8390332 Noise reduction circuit and semiconductor device provided with noise reduction circuit |
| 02/28/2013 | US20130054169 Method and a system for determining the place of origin of passive intermodulation products |
| 02/28/2013 | US20130050475 Electron multiplication factor measurement method and image capture device |
| 02/28/2013 | US20130049734 Wind turbine lightning protection and monitoring systems |
| 02/27/2013 | EP2562554A2 Phase identification system and method |
| 02/27/2013 | EP2561371A1 Apparatus for measuring a radiation pattern of an active antenna arrangement |
| 02/27/2013 | CN202758005U SNR measuring device used for atomic clock |
| 02/27/2013 | CN102944900A Intelligent object finding device |
| 02/27/2013 | CN102944793A Method for determining shielding effectiveness of overhaul plant in converter station |
| 02/27/2013 | CN102944780A Testing method for shielding effectiveness of small-size shielding cavity |
| 02/27/2013 | CN102944779A Shielding effectiveness test method of filtering and shielding integrated assembly |
| 02/27/2013 | CN102944765A Low-frequency-stage magnetic sensor background noise measuring method |
| 02/27/2013 | CN102944764A Device for measuring dynamic change of friction static electricity and friction property of insulating material |
| 02/27/2013 | CN102944763A System and method for in-situ testing of internal electric charge and electric field distribution of dielectric material |
| 02/27/2013 | CN102944762A Debugging method of phase sequences of loops at two sides of synchronization point before commissioning of generator set |
| 02/27/2013 | CN102944761A Three-phase alternating current (AC) phase sequence detection method and three-phase AC phase sequence detection device for grid-connected equipment |
| 02/27/2013 | CN102944760A Simple and easy phase sequence test method of three-phase alternating current |
| 02/27/2013 | CN102944759A Non-contact early warning system for high-voltage power equipment |
| 02/27/2013 | CN102944758A Electromagnetic radiation signal monitoring device |
| 02/27/2013 | CN102944757A Ambient interference resisting method for testing electromagnetic radiation emission field |
| 02/27/2013 | CN102944756A Small-size testing tool for shielding effectiveness |
| 02/27/2013 | CN102944755A Rechargeable and portable signal amplifier |
| 02/27/2013 | CN102944754A Induction type lens shielding effect tester |
| 02/27/2013 | CN102944753A Detection method of space high-energetic electrons and protons |
| 02/21/2013 | WO2013025836A1 A/b/c phase determination using common electric smart meters |
| 02/21/2013 | US20130044033 Test system with adjustable radio-frequency probe array |
| 02/20/2013 | CN202748435U Distribution line three-phase detector |
| 02/20/2013 | CN202748413U Self-checking circuit of ground electric filed instrument |
| 02/20/2013 | CN202748412U Optical auxiliary detection circuit for thunder and lightning detection |
| 02/20/2013 | CN202748411U Multipath clock tester |
| 02/20/2013 | CN202746874U Bracket for collecting field uniformity of transient electromagnetic field |
| 02/20/2013 | CN202746873U Bracket for quickly correcting field uniformity of transient electromagnetic field |
| 02/20/2013 | CN202746872U Novel bracket for quickly correcting field uniformity of transient electromagnetic field |
| 02/20/2013 | CN102937673A Method for detecting surface charge density of dielectric material under electron irradiation |
| 02/20/2013 | CN102937672A Detection method and detection device for three-phase alternating current phase sequence of power grid connection device |
| 02/20/2013 | CN102937671A Integrated device for lightning and ground electric field monitoring |
| 02/20/2013 | CN101793922B Audible noise measuring circuit and method of power capacitor |
| 02/19/2013 | US8378692 Operating device and method for generating output signals therefrom |
| 02/19/2013 | US8378689 Electrostatic sensor device and matrix |
| 02/14/2013 | US20130039663 Circuits, Architectures, Apparatuses, Methods and Algorithms for Determining a DC Bias in an AC or AC-Coupled Signal |
| 02/13/2013 | CN202735416U Electrical power system secondary automatic phasing device |
| 02/13/2013 | CN202735415U Contactless high-voltage wireless phase detector |
| 02/13/2013 | CN202735414U Toner charged amount distribution testing instrument |
| 02/13/2013 | CN102928778A Starting comprehensive characteristic testing system of three-phase motor of nuclear power station |
| 02/13/2013 | CN102928681A Device for measuring oil-flow electrification characteristic of insulating oil |
| 02/13/2013 | CN102928680A Electric field measurement system based on polarization compensation |
| 02/13/2013 | CN102928679A Pole tower lightning monitoring method and lightning monitoring system |
| 02/13/2013 | CN102928678A Portable tubular shielding effectiveness measuring device and method of electromagnetic shielding fabric |
| 02/13/2013 | CN102928677A Nano pulse signal acquiring method |
| 02/13/2013 | CN102539940B Electromagnetic safety analysis method for near field of plane phased control array antenna |
| 02/13/2013 | CN102298097B Method for estimating thunder impulse signal Time Difference of Arrival (TDOA) |
| 02/13/2013 | CN101943730B Idling time testing circuit and modulation circuit applied to inductive load |
| 02/13/2013 | CN101533426B Power supply noise analysis method, system and program for electronic circuit board |
| 02/12/2013 | US8374814 X-ray detection signal processing apparatus and method therefor |
| 02/12/2013 | US8373232 Device to detect and measure static electric charge |
| 02/06/2013 | CN202720279U Wireless digital electric field intensity monitoring sensor |
| 02/06/2013 | CN202720278U High speed signal detection circuit |