| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 08/22/2007 | CN2938124Y Expansion on-line electromagnetic interference detection device |
| 08/21/2007 | US7260490 Method for measuring a delay time of a digital circuit and corresponding device and digital circuit |
| 08/21/2007 | US7260376 Antenna gain specifying device and radio communication device |
| 08/21/2007 | US7260168 Network measurement method and apparatus |
| 08/16/2007 | WO2007091413A1 Change point detection circuit, jitter measurement device, and test device |
| 08/16/2007 | WO2007091129A1 Device and method for testing a noise immunity characteristic of analog circuits |
| 08/16/2007 | US20070192048 System and method for estimating phase offset in a communication system |
| 08/16/2007 | DE19502439B4 Verfahren und Messanordnung zum Messen der pro Zeiteinheit einen Vakuumvolumenbereich in gegebener Richtung durchströmenden elektrischen Ladungsmenge und deren Verwendung für Massenspektrometer Methods and measuring device for measuring the volume per unit of time a vacuum area flowing in a given direction amount of electric charge and their use for mass spectrometer |
| 08/15/2007 | EP1819021A2 Method and device for monitoring polyphase lines and for detecting phase losses based on the phase angle between phase-to-phase voltages |
| 08/15/2007 | EP1818689A1 Device and system for measuring an external electrostatic field, and system and method for detecting storms |
| 08/15/2007 | EP1817943A2 Electric arc furnace monitoring system and method |
| 08/15/2007 | CN2935168Y L-type test darkroom |
| 08/15/2007 | CN1332209C P-shape differential electric-field micro-sensor |
| 08/15/2007 | CN101019033A Electromagnetic field distribution measuring method and apparatus thereof, computer program and information recording medium |
| 08/15/2007 | CN101017184A Method for surveying generation source of electromagnetic waves, and current probe used therefor |
| 08/14/2007 | US7257500 Signal detecting method and device, and radiation image signal detecting method and system |
| 08/14/2007 | US7256572 Electric-field meter having current compensation |
| 08/09/2007 | WO2007088672A1 Ring oscillating circuit, delayed time measuring circuit, test circuit, clock signal generating circuit, image sensor, pulse generating circuit, semiconductor integrated circuit and its testing method |
| 08/09/2007 | WO2007088499A2 Method of instantaneously determining or estimating the frequency or amplitude of an input signal |
| 08/09/2007 | WO2007088328A1 Electric potential sensor for use in the detection of nuclear magnetic resonance signals |
| 08/09/2007 | WO2006055961A3 Sensor for detecting hgh frequency signals |
| 08/09/2007 | US20070182419 Oscillating device, electric potential measuring device, light deflecting device, and image forming apparatus |
| 08/08/2007 | EP1815258A1 Electric field sensing device |
| 08/08/2007 | CN1330969C Power frequency parameter tester and testing method for high tension transmission line |
| 08/08/2007 | CN1330968C Micro electric field sensor based on P-type metal-oxide transistor structure |
| 08/08/2007 | CN101013147A High-frequency chirp radar directional diagram measuring method |
| 08/07/2007 | US7254502 Method and device for detecting period length fluctuations of periodic signals |
| 08/07/2007 | US7253642 Method for sensing an electric field |
| 08/02/2007 | WO2007085116A1 Static-removal apparatus |
| 08/02/2007 | US20070179726 Automated system approach to analyzing harmonic distortion in an electric power system |
| 08/01/2007 | EP1812801A1 Systems, methods and apparatus for determining a radiated performance of a wireless device |
| 08/01/2007 | EP1658673A4 Low noise, electric field sensor |
| 08/01/2007 | CN101010594A Semiconductor integrated circuit having jitter measuring function |
| 08/01/2007 | CN101008662A Portable time signal source of low frequency time code BPC code |
| 08/01/2007 | CN101008661A Portable field strength measuring instrument of low frequency time code BPC code |
| 07/31/2007 | US7251798 Method and apparatus for quantifying the timing error induced by crosstalk between signal paths |
| 07/31/2007 | US7251596 Method and device for analyzing a wave signal and method and apparatus for pitch detection |
| 07/31/2007 | US7250626 Probe testing structure |
| 07/31/2007 | CA2421821C Apparatus for measuring absorbed power |
| 07/31/2007 | CA2399997C Silicon nanoparticle microcrystal nonlinear optical devices |
| 07/26/2007 | WO2007048238B1 Method and system for high-resolution extraction of quasi-periodic signals |
| 07/26/2007 | US20070173217 Digital qp detecting apparatus, spectrum analyzer having the same, and digital qp detecting method |
| 07/26/2007 | US20070170925 Electric potential measuring apparatus and image forming apparatus |
| 07/26/2007 | DE102005040414B4 Ausrichtung von Antennen Orientation of antennas |
| 07/25/2007 | CN2927066Y Power-frequency magnetic-field generator |
| 07/25/2007 | CN101006351A Electromagnetic disturbance reduction amount calculation method, electromagnetic disturbance reduction amount calculation device, calculation program, and electronic circuit |
| 07/24/2007 | US7248982 Finding data dependent jitter with a DDJ calculator configured by regression |
| 07/24/2007 | US7248981 Jitter measurement device and jitter measurement method |
| 07/24/2007 | US7248055 Electrostatic discharge transient and frequency spectrum measurement of gap discharge |
| 07/24/2007 | US7248054 Apparatus and method for detecting an electric field |
| 07/19/2007 | WO2007040619A3 A poynting-vector based method for determining the bearing and location of electromagnetic sources |
| 07/19/2007 | US20070168143 Method and Device for Detecting Arcs |
| 07/19/2007 | US20070164754 On-chip high frequency power supply noise sensor |
| 07/19/2007 | US20070164753 Power supply history monitor |
| 07/19/2007 | US20070164748 Electronic device and method of controlling same |
| 07/18/2007 | EP1808741A1 Transceiver suitable for data communication between wearable computers |
| 07/18/2007 | EP1808740A1 Transceiver suitable for data communication between wearable computers |
| 07/18/2007 | EP1808709A1 Method for improved signal to noise ratio estimation |
| 07/18/2007 | EP1808703A1 Electronic device test box |
| 07/18/2007 | CN1327627C Antenna gain determining device and wireless communication appliance |
| 07/18/2007 | CN1327234C Device for determining microwave medium lens antenna focal spot focus |
| 07/18/2007 | CN101000366A Testing device for ability of preventing electromagnetic wave interference of CVT speed variater and its method |
| 07/17/2007 | US7246018 Interpolator testing circuit |
| 07/17/2007 | US7245160 Short pulse rejection circuit |
| 07/12/2007 | WO2007076882A1 A monitoring system for monitoring coverage of broadcast transmissions |
| 07/12/2007 | WO2007048654A3 Mapping system and method for determining optimal radio transponder placement |
| 07/12/2007 | US20070162240 Jitter measurements for repetitive clock signals |
| 07/12/2007 | US20070159178 Automotive systems |
| 07/12/2007 | US20070159167 Integrated sensor system for measuring electric and/or magnetic field vector components |
| 07/12/2007 | DE10318602B4 Vorrichtung und Verfahren zum Einstellen des Signal/Rausch-Verhältnisses in einem Meßsystem Device and method for adjusting the signal / noise ratio in a measuring system |
| 07/12/2007 | DE102007002102A1 Einrichtung, Verfahren und Computerprogramm zur Verfolgung von Information in einem elektrischen Netz Means, methods, and computer program for the monitoring of information in an electrical network |
| 07/12/2007 | DE102006009360B3 Electronic circuit arrangement for determining phase sequence in three-phase supply network, has impedance connected with connection point, where current flow between another two connection points energizes e.g. light emitting diodes |
| 07/11/2007 | CN1997903A Measuring apparatus, measuring method, and test apparatus |
| 07/11/2007 | CN1997900A Method and device for detecting the wiring phase of an arbitrary unknown phase voltage relative to a reference phase voltage |
| 07/11/2007 | CN1996664A A directly radiated media lens and its application in the micro-wave near field detection |
| 07/11/2007 | CN1996030A Device for detecting internal impedance of conductive electromagnetic interference noise source |
| 07/11/2007 | CN1996029A THz signal highly-sensitive detector and camera |
| 07/11/2007 | CN1325922C N type differential electric field micro sensor |
| 07/11/2007 | CN1325921C Anti-radiation electric field microsensor |
| 07/10/2007 | US7242882 Electric potential measuring device using oscillating device, image forming apparatus, and electric potential measuring method |
| 07/05/2007 | WO2007059411A3 Locally in-order strobing |
| 07/05/2007 | WO2007058922A3 Sensor for detecting the adulteration and quality of fluids |
| 07/05/2007 | US20070156359 Adaptive equalization of downhole acoustic receivers |
| 07/05/2007 | US20070156339 System and method for recording, transmitting and analyzing data and information accrued from electromagnetic radiation |
| 07/05/2007 | US20070154231 Electric potential measuring device using oscillating device, image forming apparatus, and electric potential measuring method |
| 07/05/2007 | DE102006056360A1 Vorrichtung zur Erkennung von elektromagnetischen Wellen und zum Schutz der Augen vor Blendung A device for detecting electromagnetic waves and protect the eyes from glare |
| 07/04/2007 | EP1436855B1 Field probe |
| 07/04/2007 | CN2919264Y Power supply phase lack testing device of automatic change-over switch electric appliance |
| 07/03/2007 | US7239969 System and method of generating test signals with injected data-dependent jitter (DDJ) |
| 06/28/2007 | WO2007072653A1 Measuring device, measuring method, measuring program and recording medium |
| 06/28/2007 | WO2007071630A1 Electrostatic sensor |
| 06/28/2007 | WO2007070942A1 Method and apparatus for detecting an event |
| 06/28/2007 | DE102005059791A1 Verfahren zur Messung der Rauschzahl eines Meßobjekts mit einem Netzwerkanalysator Method for measuring the noise figure of a DUT with a network analyzer |
| 06/28/2007 | CA2629614A1 Electrostatic sensor |
| 06/27/2007 | EP1801970A1 Pulse generator, timing generator, and pulse width adjusting method |
| 06/27/2007 | EP1801601A1 Electrostatic field imager |
| 06/27/2007 | EP1801600A1 Electrostatic sensor |
| 06/27/2007 | EP1800402A2 Spread frequency spectrum waveform generating circuit |
| 06/27/2007 | CN2916644Y Intelligent nuclear phase instrument |
| 06/27/2007 | CN1988307A Real time monitoring system for static detection |