| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 04/24/2013 | CN101294998B Method and system for acquiring communication electromagnetic radiation value of power line |
| 04/23/2013 | US8428897 Method and apparatus for spectral cross coherence |
| 04/18/2013 | WO2013055456A1 Methods for reducing path loss while testing wireless electronic devices with multiple antennas |
| 04/18/2013 | US20130093622 Method and software for spatial pattern analysis |
| 04/18/2013 | US20130093433 Integrated Circuit Having Receiver Jitter Tolerance ("JTOL") Measurement |
| 04/18/2013 | DE19945273B4 Verfahren zur Messung mindestens einer Eigenschaft eines Übertragungskanals und Sende-/Empfangsstationen zur Durchführung des Verfahrens A method for measuring at least one characteristic of a transmission channel, and transmitting / receiving stations for carrying out the method |
| 04/18/2013 | DE102011054534A1 Monitoring device for monitoring electromagnetic field between two spaced-apart electrodes of ionizer, has current sensor that is connected to antenna for measuring current produced in antenna due to charge transfer |
| 04/17/2013 | CN202886484U Embedded current transformer test device |
| 04/17/2013 | CN103052888A Calibration device and calibration method for array antenna |
| 04/17/2013 | CN103048560A Method for self-adaptively eliminating background noise with minimum mean square error based on PD (Proportion Differentiation) control convergence factor |
| 04/17/2013 | CN103048553A Method for precisely calculating phase center of navigation antenna by utilizing area weighing |
| 04/17/2013 | CN103048552A Lightning early warning device and implementation method for lightning early warning |
| 04/17/2013 | CN103048551A Center regulating rotary table for Helmholtz coil |
| 04/17/2013 | CN102169143B 振动屏蔽式电场传感器 Vibration shielded electric field sensor |
| 04/17/2013 | CN102156226B Outdoor electromagnetic field data acquisition system |
| 04/17/2013 | CN102116849B Noncontact type measuring system and measuring method for switch power working parameters |
| 04/17/2013 | CN102109557B Real-time on-line monitoring device for power-frequency electromagnetic data |
| 04/17/2013 | CN102016608B Radiated power measurement method, radiated power measurement coupler and radiated power measurement apparatus |
| 04/17/2013 | CN101937026B Method for predicating ground wave propagation attenuation factor at high precision |
| 04/17/2013 | CN101688888B Increased reliability in the processing of digital signals |
| 04/16/2013 | US8421677 Tuneable antenna for electromagnetic compatibility tests |
| 04/16/2013 | US8421478 Radio frequency integrated circuit with on-chip noise source for self-test |
| 04/13/2013 | CA2791770A1 Device for examining moving tablets |
| 04/13/2013 | CA2791769A1 Device and method for examining moving tablets |
| 04/11/2013 | WO2013051852A1 Method and apparatus for measuring performance of electronic device |
| 04/11/2013 | WO2013051276A1 High-voltage application device |
| 04/11/2013 | DE102011115113A1 Method for measuring auto-correlation function of signal, involves providing signal in adjustable time interval which is integral multi-face base interval, where two samples are extracted by scanner and are digitalized |
| 04/11/2013 | DE102011054319A1 Vorrichtung zur Messung einer Normalkraft An apparatus for measuring a normal force |
| 04/10/2013 | EP2579053A2 Method and device for evaluating influence of electromagnetic waves of base station on human body |
| 04/10/2013 | EP2577892A1 Over-the-air test |
| 04/10/2013 | CN202870231U Multifunctional electric power detector |
| 04/10/2013 | CN202870184U Device for measuring electrification characteristic of insulating oil flow |
| 04/10/2013 | CN202870183U Charged droplet charge-to-mass ratio automatic measuring apparatus |
| 04/10/2013 | CN202870182U Ball disc type frictional electricity measuring device |
| 04/10/2013 | CN202870181U Multifunctional high-voltage debugging apparatus |
| 04/10/2013 | CN202870180U Integrated device for monitoring thunder and ground electric field |
| 04/10/2013 | CN202870124U Connecting device of transformer test wire clamp and cross-core current rise wire |
| 04/10/2013 | CN103033715A Operating status detection system for area equipment in converting station |
| 04/10/2013 | CN103033691A Individual electromagnetic radiation exposure monitoring and alarming device |
| 04/10/2013 | CN103033690A Three-dimensional near-field scanning system |
| 04/10/2013 | CN102095945B Open-phase detection device for digital three-phase alternating-current phase sequence and detection method thereof |
| 04/04/2013 | WO2013046881A1 Current probe, current probe measurement system, and current probe measurement method |
| 04/04/2013 | WO2013045800A1 Electrical circuit, in particular for distinguishing the phase and the neutral of a single-phase signal |
| 04/04/2013 | US20130082739 Clock diagnosis circuit |
| 04/03/2013 | CN202854240U Apparatus for improving accuracy of power frequency electric field intensity detecting device |
| 04/03/2013 | CN202854219U Undervoltage, voltage loss, and phase loss detection circuit |
| 04/03/2013 | CN202848438U Oil level potential measurement system |
| 04/03/2013 | CN103018580A Method and device for detecting vector transformation of three-phase power phase sequence |
| 04/03/2013 | CN103018579A Method for estimating critical electric filed intensity for soil ionization |
| 04/03/2013 | CN102353849B Measurement method of backward voltage reflection coefficients of millimeter wave black body |
| 04/03/2013 | CN102221663B Passive radio frequency tag reversed modulating performance testing method and apparatus thereof |
| 04/03/2013 | CN102213734B Phase-missing remote alarm for distribution transformer |
| 04/03/2013 | CN102175337B Temperature sensor |
| 04/03/2013 | CN102116808B Test device for testing radiosensitivity of electric field and test method thereof |
| 04/03/2013 | CN102109565B Intelligent detector of CT (current transformer) secondary circuit |
| 04/03/2013 | CN102095944B Precise prewarning system of direct stroke in protection range |
| 04/03/2013 | CN101501507B Apparatus for measuring distortion power quality index and method of operating the apparatus |
| 04/02/2013 | US8410987 Method and device for measuring a radiation field |
| 04/02/2013 | US8410819 Programmable pulse width discriminator |
| 04/02/2013 | US8410784 Method and device for measuring static charge |
| 03/28/2013 | WO2013044010A1 Antenna for coupling esd sensitive measurement devices located in high voltage electric fields |
| 03/28/2013 | WO2013042846A1 System for measuring a wave source |
| 03/28/2013 | US20130076336 Device and method for detecting crowbar circuit in wind turbine |
| 03/28/2013 | DE102011122871A1 Method for analyzing composite signal transmitted over transmission medium, involves generating multiple signal components by different signal generators, where recognition of type of signal generator is executed by signal analyzer |
| 03/28/2013 | DE102011114285A1 Method for analyzing mixed signal transferred over transmission medium, involves performing identification of different types of signal generators using stored, pre-defined characteristics of known radio system and signal standards |
| 03/27/2013 | EP2573574A1 Handheld test probe assembly for non-contacting microwave measurements and method of using same |
| 03/27/2013 | CN202837414U Novel alternating-current phase checking circuit |
| 03/27/2013 | CN202837413U Electric power line phase-verification device |
| 03/27/2013 | CN202837412U Filed strength meter |
| 03/27/2013 | CN202837411U Environment electromagnetic radiation anti-interference measurement device for movable communication station |
| 03/27/2013 | CN202837410U Electromagnetic radiation test apparatus |
| 03/27/2013 | CN202837409U Field intensity tester for load control system |
| 03/27/2013 | CN102998540A Forecasting method for influences, on electrical performances, of array surface morphology of conformal load-bearing microstrip antenna |
| 03/27/2013 | CN102998539A Electrical power system weak signal amplitude value hybrid detection method |
| 03/27/2013 | CN102998486A Instrument supporting frame for OTA darkroom testing |
| 03/27/2013 | CN102183696B Surface current injection method substituted for electromagnetic compatibility radiation test |
| 03/27/2013 | CN101916982B Judgement and protection method for open phase of frequency-conversion air conditioner compressor |
| 03/27/2013 | CN101578526B Integrated time and/or capacitance measurement system, method and apparatus |
| 03/26/2013 | US8407022 Real-time dynamic tracking of bias |
| 03/26/2013 | US8407018 Battery life estimation |
| 03/26/2013 | US8405559 RF test fixture and method for securing a wireless device for RF testing |
| 03/21/2013 | WO2013040497A2 Systems and methods for sensing environmental changes using light sources as sensors |
| 03/21/2013 | WO2013039275A1 Method and device for detecting zero phase component |
| 03/21/2013 | WO2013038659A1 Potential-measuring device, and atomic force microscope |
| 03/21/2013 | US20130069670 Differential signal transmission cable property evaluating mechanism and evaluating method therefor |
| 03/21/2013 | US20130069665 Using a field effect device for identifying translocating charge-tagged molecules in a nanopore sequencing device |
| 03/21/2013 | US20130069664 Indirect non-contact high voltage measurement on electrical power line |
| 03/21/2013 | US20130069630 Self-monitoring composite vessel for high pressure media |
| 03/20/2013 | CN202815098U Wireless high-voltage phase-checking device |
| 03/20/2013 | CN102981086A Analysis and measurement method for electromagnetic radiation of voltage driven radiation source |
| 03/20/2013 | CN102981068A Phase sequence detection method of three-phase grid-connected photovoltaic inverter |
| 03/20/2013 | CN102981067A Method and device for early warning of thunder |
| 03/20/2013 | CN102981066A Auxiliary device and auxiliary test method of radiation anti-interference test |
| 03/20/2013 | CN102981065A Sectioned tubular measurement device and test method for shielding effectiveness of electromagnetic shielding fabric |
| 03/20/2013 | CN102981064A Aircraft external radio frequency electromagnetic environment prediction method and prediction system |
| 03/20/2013 | CN102981063A Single-particle transient state pulse width measurement method and measurement device and pulse generation device |
| 03/20/2013 | CN101907659B Temperature controllable PEA space charge test device |
| 03/19/2013 | US8400366 Radiation efficiency measuring apparatus and radiation efficiency measuring method |
| 03/14/2013 | WO2012129430A3 High dynamic range rf power monitor |
| 03/14/2013 | US20130063315 Methods and apparatus for determining parameters of an array |