| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 03/24/2010 | CN100596039C Interference source identification apparatus and method for wireless communication |
| 03/24/2010 | CN100595594C High-power microwave water load |
| 03/23/2010 | US7683842 Distributed built-in test and performance monitoring system for electronic surveillance |
| 03/18/2010 | WO2010030977A2 Method and apparatus for load detection for a planar wireless power system |
| 03/18/2010 | WO2010028642A1 Contactless method for controlling the thickness of a preparation layer applied to a yarn and circuit arrangement for carrying out said method |
| 03/18/2010 | US20100070228 Detecting nonlinearity in a cable plant and determining a cable length to a source of the nonlinearity |
| 03/18/2010 | US20100067635 Measuring and regenerating a variable pulse width |
| 03/18/2010 | US20100067622 Circuit, Controller and Methods for Dynamic Estimation and Cancellation of Phase and Gain Imbalances in Quadrature Signal Paths of a Receiver |
| 03/17/2010 | CN201425613Y Phase detecting device for three-phase power supply connecting wire of electric equipment |
| 03/17/2010 | CN201425612Y Wireless high voltage digital phase-checking instrument |
| 03/17/2010 | CN201425611Y Radio frequency performance test structure with electronic switching function |
| 03/17/2010 | CN201425610Y Power circuit for probe of transient high-voltage electromagnetic pulse detector |
| 03/17/2010 | CN201425603Y Signal amplifying circuit for receiver of transient high-voltage electromagnetic pulse detector |
| 03/17/2010 | CN101675345A Radiation efficiency measuring device and radiation efficiency measuring method |
| 03/17/2010 | CN101672877A Amplitude-modulated signal accompanying phase modulation measurement method based on vector analysis |
| 03/16/2010 | US7680463 Method and arrangement for testing a radio device |
| 03/16/2010 | US7679460 Crystal oscillator tester |
| 03/11/2010 | WO2010027441A2 Power and energy meter for measuring electromagnetic radiation |
| 03/11/2010 | WO2010027421A2 Determining electric grid endpoint phase connectivity |
| 03/11/2010 | WO2010026274A1 Multiple-input, multiple-output analyser |
| 03/11/2010 | WO2009081407A3 Reducing power consumption in a network by detecting electrical signatures of appliances |
| 03/11/2010 | US20100060507 Electronic warfare receiver having digital antenna |
| 03/11/2010 | US20100060296 Method and device for checking a sensor signal |
| 03/11/2010 | CA2736000A1 Determining electric grid endpoint phase connectivity |
| 03/10/2010 | EP2161585A2 Flexible test cable |
| 03/10/2010 | EP1756594B1 Method and apparatus for detecting the wiring phase of an arbitrary unknown phase voltage relative to a reference phase voltage |
| 03/10/2010 | CN201421486Y Conductor breakage detecting pen |
| 03/10/2010 | CN101666835A Method for testing multi-frequency antenna |
| 03/10/2010 | CN101666834A Industrial frequency-harmonic interference resistant signal sampling method and system |
| 03/10/2010 | CN101666833A CMOS difference radio-frequency signal amplitude detection circuit |
| 03/09/2010 | US7675294 System and method for determining attenuation of electromagnetic waves impacting an electromagnetic shield |
| 03/09/2010 | US7675293 Method and apparatus for in-situ characterization of energy storage and energy conversion devices |
| 03/04/2010 | US20100057389 Evaluating apparatus, a recording medium storing an evaluating program, and method for designing signal transmission system |
| 03/04/2010 | US20100052651 Pulse width measurement circuit |
| 03/04/2010 | US20100051692 Detection and tracking of environmental parameters |
| 03/04/2010 | DE102008044915A1 Remote reading of smart electricity meters recognizes the phase relationship between local and spatially overlaid reference phases |
| 03/03/2010 | EP2159928A1 Apparatus and method for desiging signal transmission system |
| 03/03/2010 | EP2158494A2 Device for determining a charge distribution in a dielectric element |
| 03/03/2010 | CN201417402Y Numerical control constant-current source device for satellite-borne electric field instrument |
| 03/03/2010 | CN101661062A Textile and fiber material static detector |
| 03/03/2010 | CN101661061A Method for confirming anti-high RF interferece threshold of electronic information equipment |
| 03/02/2010 | US7672783 System and method for recording, transmitting and analyzing data and information accrued from electromagnetic radiation |
| 02/25/2010 | WO2010022086A1 Electroporation system with dial-in time constant |
| 02/25/2010 | US20100045543 Radiation efficiency measuring apparatus and radiation efficiency measuring method |
| 02/25/2010 | US20100045542 Testing method of multiband antenna |
| 02/25/2010 | US20100045262 Apparatus and method of zeroing a test instrument |
| 02/25/2010 | CA2734573A1 Electroporation system with dial-in time constant |
| 02/24/2010 | EP2156200A1 Increased reliability in the processing of digital signals |
| 02/24/2010 | CN201414156Y Movable terminal with prompt facility of radiant intensity |
| 02/24/2010 | CN201413981Y Protective device of power supply equipment in communication base station |
| 02/24/2010 | CN201413367Y Multi-section process data acquisition system based on industrial standard |
| 02/24/2010 | CN201413361Y Electromagnetic field testing pen |
| 02/24/2010 | CN100592091C Transformer regulation measuring systems based on virtual instrument |
| 02/24/2010 | CN100592090C Methods and apparatus for determining a radiated performance of a wireless device |
| 02/23/2010 | US7667854 Hand-held survey probe |
| 02/23/2010 | US7667656 Pre-alignment outside an antenna measurement range |
| 02/23/2010 | US7667500 Glitch-suppressor circuits and methods |
| 02/23/2010 | US7667450 Electrostatic discharge device testing system and method |
| 02/18/2010 | WO2009067025A3 Underwater measurement syste |
| 02/18/2010 | US20100039335 Apparatus and method for measuring antenna gain using sun |
| 02/18/2010 | US20100039334 Method for measuring antenna characteristics out of operational frequency range of chamber |
| 02/18/2010 | US20100039333 Antenna Coupler |
| 02/18/2010 | US20100039332 Quasi-Compact Range |
| 02/18/2010 | DE112008001125T5 Prüfgerät und Prüfverfahren Tester and test methods |
| 02/18/2010 | DE112008001091T5 Strahlungswirkungsgradmessvorrichtung und Strahlungswirkungsgradmessverfahren Radiation efficiency measuring apparatus and radiation efficiency measurement methods |
| 02/17/2010 | CN201408228Y Air pumping type testing device for electric charge of spatial dust |
| 02/17/2010 | CN201408227Y Portable 380V power system zero sequence current detection device |
| 02/17/2010 | CN101652667A Multichannel absorberless near field measurement system |
| 02/17/2010 | CN100590439C Electrostatic discharge detection device and method |
| 02/16/2010 | US7664621 System and method for mapping system transfer functions |
| 02/16/2010 | US7661297 Method and system for making available an improved phase signal of a phase sensor on a camshaft of an internal combustion engine |
| 02/11/2010 | US20100036629 Method and Device for Recognizing Pulses |
| 02/11/2010 | US20100033387 Method for tuning glass antenna |
| 02/11/2010 | US20100033386 Using multiple antennas to characterize a computer system based on electromagnetic signals |
| 02/10/2010 | CN201402300Y Leakage action value judgment device with function of selective leakage judgment |
| 02/10/2010 | CN201402289Y Electricity quality on-line monitoring device |
| 02/10/2010 | CN101646952A Antenna adaptable to electromagnetic compatibility testing |
| 02/10/2010 | CN101644730A Circuit nuclear-phase method |
| 02/10/2010 | CN101644729A Antenna regulating device |
| 02/09/2010 | US7659752 Noise filter circuit |
| 02/09/2010 | US7659725 Method for assessing the suitability of metered dose inhaler actuators |
| 02/04/2010 | WO2010014762A1 Apparatus using time-based electrical characteristics to identify an electrical appliance |
| 02/04/2010 | WO2010013408A1 Radio field strength measuring device and radio field strength measuring system |
| 02/04/2010 | US20100030504 Data measurement methods and systems |
| 02/04/2010 | US20100026385 Method for calibrating a power amplifier and device using the same |
| 02/04/2010 | US20100026354 Delay Amount Estimating Apparatus and Signal Transmitting Apparatus |
| 02/04/2010 | US20100026316 Electronic apparatus noise measurement method |
| 02/04/2010 | CA2747779A1 Data measurement methods and systems |
| 02/03/2010 | EP2149795A1 Method and practical use system for measuring the imbalance power in electrical installations, and the device for calibration thereof |
| 02/03/2010 | CN201397366Y Array type defective insulator local electric field detecting instrument |
| 02/03/2010 | CN101639503A Tibet plateau lightning location system site selection method |
| 02/03/2010 | CN101639502A System for automatically measuring charge distribution on surface of solid medium |
| 02/02/2010 | US7657388 Quality assessment tool |
| 01/28/2010 | US20100023288 Iterative method for characterizing the frequency dependence of the linear properties of an electrical component |
| 01/28/2010 | US20100019977 Antenna test apparatus |
| 01/28/2010 | US20100019799 Methods And Apparatus For Digital Phase Detection With Improved Frequency Locking |
| 01/28/2010 | DE102008045360A1 Metallic surface probe for electrical alternating fields in close range of magnetic field sensor, comprises insulating structure so that no circular areas are projected in remaining electrically conductive laminar structure |
| 01/27/2010 | EP2147511A1 A method and device for estimation of the transmission characteristics of a radio frequency system |
| 01/27/2010 | CN201392360Y Electric multi-parameter measuring device |
| 01/27/2010 | CN101634676A Method and device for detecting electromagnetic wave signals |