| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 07/31/2013 | CN203101662U Thunderstorm weather phenomenon instrument |
| 07/31/2013 | CN203101528U Piezoelectric constant D15 testing fixture |
| 07/31/2013 | CN203101527U Electromagnetic radiation monitoring system |
| 07/31/2013 | CN203101526U Long-distance synchronous measurement data collection device for moving body target |
| 07/31/2013 | CN203101525U An antenna beamwidth calibration device using the sun as a signal source |
| 07/31/2013 | CN203101524U High voltage fast pulse measurement mechanism |
| 07/31/2013 | CN203089088U Detection system of human body information computer |
| 07/31/2013 | CN103226170A System for measuring residual phase noise |
| 07/31/2013 | CN103226169A Square wave detector for wireless wake-up circuit |
| 07/31/2013 | CN103226162A Optical waveguide voltage sensor based on double light path compensation |
| 07/31/2013 | CN102511008B Test apparatus with electrostatic discharge capability |
| 07/31/2013 | CN102062820B Method for automatically correcting wiring error when measuring three-phase alternating current |
| 07/25/2013 | WO2013110015A1 Wide input bit-rate, power efficient pwm decoder |
| 07/25/2013 | US20130187815 Method and device for electromagnetically testing an object |
| 07/25/2013 | US20130187814 Scanning Measurements On Generalized Grids |
| 07/24/2013 | EP2617149A2 Bit error rate checker receiving serial data signal from an eye viewer |
| 07/24/2013 | CN203086240U Power system lightning remote on-line monitoring device |
| 07/24/2013 | CN203084086U Space charge density measurement apparatus |
| 07/24/2013 | CN203084085U Self-adaptive fixing device for field-strength antenna |
| 07/24/2013 | CN203084084U Double-shaft sensor and amplifying circuit together used for electromagnetic radiation measurement |
| 07/24/2013 | CN203084066U Mining line electrified indicating device based on magnetic circuit blocking technology |
| 07/24/2013 | CN103221831A Method and apparatus for measuring electrostatic charge |
| 07/24/2013 | CN103217591A Marine environment electric field measurement device |
| 07/24/2013 | CN103217590A Method automatically acquiring atmospheric electric field thunder and lightning early-warning characteristic parameter threshold values |
| 07/24/2013 | CN103217589A Phased array antenna equivalent isolation degree testing method |
| 07/24/2013 | CN103217588A Mirror image synthetic aperture radiometer |
| 07/24/2013 | CN103217587A Detecting device, detector, and imaging apparatus using the same |
| 07/24/2013 | CN103217576A Realizing method and realizing device of six-port phase detector |
| 07/24/2013 | CN102313847B Internal calibration method for phased-array antenna transmit/receive (T/R) components |
| 07/24/2013 | CN102269784B Live line measurement device of impact of two particles |
| 07/24/2013 | CN102253246B Connector for cable test and cable signal testing method employing same |
| 07/24/2013 | CN101988938B Antenna test system, test method and test tool |
| 07/24/2013 | CN101881794B AC line signal detection device and method and power supply device |
| 07/24/2013 | CN101398448B Method for calculating turn number of each segment of transformer coil and device |
| 07/23/2013 | US8493271 Electromagnetic radiation measuring device for electronic devices |
| 07/18/2013 | US20130185006 Network topology |
| 07/17/2013 | CN203069684U Multi harmonic frequency simultaneous loading circuit for capacitor unit noise testing |
| 07/17/2013 | CN203069683U Online transformer transformation ratio testing device |
| 07/17/2013 | CN203069682U Multifunctional transformer ratio bridge tester |
| 07/17/2013 | CN203069681U Electrostatic field simulating and surveying instrument |
| 07/17/2013 | CN203069680U Electromagnetic wave detection device |
| 07/17/2013 | CN203069679U Field environment assessment device for nuclear magnetic resonance water exploration instrument |
| 07/17/2013 | CN203069678U A lightning-protection two-dimensional lightning locator supporting system |
| 07/17/2013 | CN103210315A Measurement device and measurement method |
| 07/17/2013 | CN103207560A Integrated time and/or capacitance measurement system, method and apparatus |
| 07/17/2013 | CN103207323A Method for judging three-phase parameter inconsistent operation of large transformer bank |
| 07/17/2013 | CN103207322A Method for background noise removal by electromagnetic measuring technology |
| 07/17/2013 | CN103207321A System and method for measuring pulse microwave radiation field distribution based on thermoacoustic effect |
| 07/17/2013 | CN103207318A Quasi-reciprocal optical closed-loop lithium niobate optical waveguide alternating electric field/voltage sensor |
| 07/17/2013 | CN102207514B Electrooptical probe based on fluid electrooptical materials, and method of using electrooptical probe to detect electric field |
| 07/17/2013 | CN101720439B Method and practical use system for measuring the imbalance power in electrical installations, and the device for calibration thereof |
| 07/16/2013 | US8488792 Wireless communications validation system and method |
| 07/11/2013 | WO2013102660A1 Charge measuring device |
| 07/11/2013 | WO2013063187A3 Shielding integrity testing for cable drop |
| 07/11/2013 | DE102012200168A1 Ladungsmesseinrichtung Charge measuring device |
| 07/10/2013 | CN203055270U Digital electrostatic experiment device |
| 07/10/2013 | CN203054567U Lightning monitoring and early warning system |
| 07/10/2013 | CN203054143U Indoor transformer station busbar voltage abnormity alarm indicating device |
| 07/10/2013 | CN203054098U Portable field alternating current/direct current electric field integrated measuring device |
| 07/10/2013 | CN203054097U Thunder early warning networking system |
| 07/10/2013 | CN203054096U Apparatus for calibrating pulse current |
| 07/10/2013 | CN203054090U Vehicle-mounted integrated three-phase direct-current resistance, transformation ratio and load comprehensive testing device |
| 07/10/2013 | CN203054066U Multipath power failure, power recovery and phase loss automatic alarm device |
| 07/10/2013 | CN103201636A Method of identifying a current transformer and associated metering device |
| 07/10/2013 | CN103197161A Detection method for impulse interference in weak direct current signals |
| 07/10/2013 | CN103197160A Detecting method of residual phase noise of electronic device and device thereof |
| 07/10/2013 | CN103197159A SRAM type FPGA synchronous switch noise verification method |
| 07/10/2013 | CN103197158A Three-phase power grid phase loss detection method and circuit |
| 07/10/2013 | CN103197157A Experimental platform used for time-varying rough surface electromagnetic scattering research |
| 07/10/2013 | CN103197156A Synchronous acquisition system and method for multi-channel electromagnetic field intensity |
| 07/10/2013 | CN103197126A Lightning induction overvoltage simulation test platform |
| 07/10/2013 | CN102508007B Dynamic method for measuring surface property parameters of substance |
| 07/10/2013 | CN102353853B Monitoring apparatus for charge during gas or water-contained coal rock triaxial compression and fracture process |
| 07/10/2013 | CN102095899B Wiring device and current mutual inductance testing system |
| 07/04/2013 | US20130169292 Method of analyzing coupling effect between signal lines in an integrated circuit |
| 07/04/2013 | DE102005017833B4 Verfahren zur Ermittlung von Signalabschnitten Procedure for the determination of signal portions |
| 07/03/2013 | EP2610628A1 Measuring an electromagnetic field |
| 07/03/2013 | CN203039116U Earthing device |
| 07/03/2013 | CN203037751U Three-phase alternating current phase sequence detection circuit |
| 07/03/2013 | CN203037750U Transformer substation electrified area portable alarm |
| 07/03/2013 | CN203037749U Thunder monitoring device and thunder monitoring system |
| 07/03/2013 | CN203037748U Electric field sensor for communication by optical fiber |
| 07/03/2013 | CN203037747U Tower lightning monitoring system |
| 07/03/2013 | CN103188859A Automatic electrostatic eliminator |
| 07/03/2013 | CN103187915A Excitation, power generation and energy storage control device and method based on configuration |
| 07/03/2013 | CN103185566A Reflector antenna beam direction detection device and detection method |
| 07/03/2013 | CN102254090B Method for estimating lightning density distribution and annual average ground flash density (NG) value by kernel density estimation |
| 07/03/2013 | CN101793921B Noise measurement system in power stabilization network, variable filter and method for measuring noise in power stabilization network |
| 07/02/2013 | US8478554 Reducing eye monitor data samplers in a receiver |
| 06/27/2013 | WO2013094306A1 Electromagnetic wave visualization device |
| 06/27/2013 | US20130162041 Load control system and load control method |
| 06/27/2013 | US20130160312 Signal generator for electromagnetic measurement and electromagnetic measuring system using same |
| 06/26/2013 | CN203025255U Alarm for preventing people from mistakenly entering 10kV charged spacing |
| 06/26/2013 | CN203025254U Weak signal detection circuit based on modulating bistable stochastic resonance principle |
| 06/26/2013 | CN203025229U PWM (pulse width modulation) waveform detection and screen display device for permanent magnet synchronous motor |
| 06/26/2013 | CN103178765A Magnetically controlled reactor trigger control device based on TC797A |
| 06/26/2013 | CN103176126A Self-checking device of motor open loss and application method thereof |
| 06/26/2013 | CN103176088A Method for determining weak electromagnetic coupling paths between multi-frequency interference pairs |
| 06/26/2013 | CN103176062A Power transformer radiation audible noise calculating method |
| 06/26/2013 | CN103176061A Device and method for testing coil |