| Patents for G01R 29 - Arrangements for measuring or indicating electric quantities not covered by groups (11,937) |
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| 01/23/2002 | EP0852727B1 Dual polarization electromagnetic field simulator |
| 01/23/2002 | CN1078390C 天线阵列校正 Antenna array calibration |
| 01/22/2002 | CA2085235C Device for measuring, at a plurality of points on a surface, a microwave field radiated by a source |
| 01/17/2002 | US20020007466 Wander generator having arbitrary TDEV mask characteristic setting apparatus |
| 01/17/2002 | US20020007251 Apparatus and method for computing electromagnetic field intensity, and method for displaying computation result |
| 01/17/2002 | US20020005725 Measurement by concentration of a material within a structure |
| 01/17/2002 | DE10033065A1 Electromagnetic compatibility tester for motor vehicle electrical components uses variable frequency controlled by computer |
| 01/16/2002 | EP1171961A1 Jitter measurement system and method |
| 01/16/2002 | EP1171929A1 Reverberation chamber tuner and shaft with electromagnetic radiation leakage device |
| 01/09/2002 | CN2470836Y Inductive 10KV line phase-sequence detection instrument |
| 01/08/2002 | US6337569 Apparatus for detecting earthed side of AC power Supply |
| 01/08/2002 | US6337478 Electrostatic force detector with cantilever and shield for an electrostatic force microscope |
| 01/08/2002 | CA2144075C Electric field sensor |
| 01/03/2002 | US20020000939 Antenna circuit arrangement and testing method |
| 01/03/2002 | DE10121410A1 Electromagnetic field intensity calculating device has limiter that designates analytic frequency, and transition analyzer that evaluates transition of analysis model to designated analytic frequency |
| 01/02/2002 | EP1168496A2 Antenna circuit arrangement and testing method |
| 01/02/2002 | EP1168237A2 Broad bandwidth, high impedance transponder for electronic identification system |
| 01/02/2002 | EP1167985A2 Wander generator having arbitrary TDEV mask characteristic setting apparatus |
| 01/02/2002 | EP1167984A1 Automatic EM field measurement method |
| 01/02/2002 | EP1103827A9 Method for determining a geo-pathogenic area from anomalies in the earth's electrostatic field in residential areas |
| 01/02/2002 | CN1329398A Wide-bandwidth high-impedance transceiver for electronic identification system |
| 01/01/2002 | US6335630 Contactless method for measuring total charge of an oxide layer on a semiconductor wafer using corona charge |
| 01/01/2002 | CA2151537C Electric field sensor capable of reliably measuring an electric field intensity of a signal |
| 01/01/2002 | CA2144079C Optical electric field sensor using optical components having electrooptical effect. |
| 12/27/2001 | WO2001098953A2 Method and apparatus for modeling three-dimensional electromagnetic scattering from arbitrarily shaped three-dimensional objects |
| 12/27/2001 | US20010056331 Procedure and device for determining the signal-to noise ratio of a signal |
| 12/25/2001 | US6333634 Method for measuring radio-frequency current |
| 12/20/2001 | US20010052779 Apparatus and method for measuring electromagnetic radiation |
| 12/19/2001 | CN1076478C Partial discharge measuring device |
| 12/18/2001 | CA2144080C Electric field sensor |
| 12/18/2001 | CA2144076C Electric field sensor having sensor head with unbalanced electric field shield to shield branched optical waveguides against an applied electric field |
| 12/18/2001 | CA2104261C Apparatus for determining the aperture illumination of a phased-array antenna |
| 12/13/2001 | WO2001094955A2 Scanning electro-optic near field device and method of scanning |
| 12/12/2001 | CN2465195Y Electronic electricity tester |
| 12/12/2001 | CN1326604A Method and device for detecting disconnection of fuse |
| 12/11/2001 | US6329953 Method and system for rating antenna performance |
| 12/11/2001 | US6329924 Wearable electric field detector |
| 12/11/2001 | US6329824 Method of measuring resonant frequency of a resonator and coupling degree of two resonators |
| 12/11/2001 | US6329649 Mm-wave/IR monolithically integrated focal plane array |
| 12/06/2001 | WO2001092897A2 Systems and methods employing micro-fabricated field emission devices to sense and control potential differences between a space object and its space plasma environment, to emit charge from a space object, and in use with an electrodynamic tether to adjust an orbit of an orbiting space object |
| 12/06/2001 | US20010048298 Method and apparatus for analyzing noise in a digital circuit, and storage medium storing an analysis program |
| 12/06/2001 | US20010048297 System and method of locating lightning strikes |
| 12/05/2001 | EP1161010A1 Sir measuring device and sir measuring method |
| 12/05/2001 | EP1160696A2 System for checking wiring configuration of printed circuit board |
| 12/04/2001 | US6326929 Method and device for the measurement of antenna impedance |
| 12/04/2001 | US6326848 Circuits and methods for monitoring a signal in a network |
| 12/04/2001 | US6326783 Method of measuring axially symmetric electromagnetic fields |
| 11/29/2001 | WO2001091330A1 Calibration system for array antenna receiving apparatus |
| 11/29/2001 | US20010045837 Method of determining a resonant frequency of a mechanical device |
| 11/29/2001 | DE10102891A1 High power amplifier, for e.g. radio transmitter, has harmonic processing circuit to process the harmonic in the output signal of the amplifier element |
| 11/29/2001 | DE10024326A1 Verfahren und Vorrichtung zum Bestimmen des Signal-Rausch-Verhältnisses eines Signals Method and apparatus for determining the signal-to-noise ratio of a signal |
| 11/28/2001 | EP1158304A2 Procedure and device for determining the signal to noise ratio of a signal |
| 11/28/2001 | CN2462400Y Charge super-sensitive coulobmeter having self-calibrating function |
| 11/28/2001 | CN2462399Y Charge super-sensitive coulobmeter |
| 11/28/2001 | CN1324146A Method and device for defining signal noise ratio |
| 11/28/2001 | CN1324143A High efficiency amplifier having amplifying device, radio communication device and its testing device |
| 11/27/2001 | US6324125 Pulse width detection |
| 11/27/2001 | US6323491 Corona discharge imaging system for outdoor daylight use |
| 11/22/2001 | WO2001089027A2 Broadband horn antennas and electromagnetic field test facility |
| 11/22/2001 | WO2001088554A1 Electromagnetic compatibility testing device |
| 11/22/2001 | US20010044701 Method and apparatus for measuring parameters of an electronic system |
| 11/22/2001 | DE10023595A1 Tragbare Miniatur-EMV-Kammer für den Einsatz im Mobilfunkbereich Portable Miniature EMC chamber for use in mobile communications |
| 11/21/2001 | EP1156591A1 Improved mobile telephone and method to parametrize the telephone |
| 11/21/2001 | EP1156340A2 Portable miniature EMC chamber for use in the field of mobile radios |
| 11/20/2001 | US6320387 Charge measuring instrument for flexible materials |
| 11/20/2001 | US6320367 Device for analyzing a single pulse with variable step |
| 11/15/2001 | WO2001086311A1 A head phantom arrangement and method of measuring of affect of electromagnetic waves by means of this head phantom |
| 11/14/2001 | EP1154581A2 Input protection circuit for a radio frequency receiver |
| 11/14/2001 | CN1322070A Quality reason measurement display |
| 11/14/2001 | CN1321891A Semiconductor testing system for failure detection |
| 11/13/2001 | US6316942 Electrical potential sensor |
| 11/08/2001 | WO2001084165A1 Field distribution measuring method and device |
| 11/08/2001 | WO2000004399A3 Device for measuring the specific absorption rate |
| 11/08/2001 | US20010038289 Automatic circuit breaker detector |
| 11/08/2001 | EP1145022A3 Device for measuring the specific absorption rate |
| 11/08/2001 | CA2377959A1 Field distribution measuring method and apparatus |
| 11/07/2001 | EP1152563A2 Method for displaying signal quality measurement |
| 11/07/2001 | EP1152562A1 Method and apparatus for measuring parameters of an electronic system, for example MTIE |
| 11/07/2001 | EP0621952B1 Broadband antennas and electromagnetic field simulators |
| 11/07/2001 | CN2458632Y Three-phase input switch rectifier detector for testing substration phase |
| 11/07/2001 | CN1321248A Method and apparatus for real time measurement of three phase electrical parameters |
| 11/06/2001 | US6313800 Adjustable broadband antenna |
| 11/06/2001 | US6313619 Arrangement for measurement of phase noise of a test specimen |
| 11/01/2001 | WO2001081932A2 Apparatus and method for production testing of the rf performance of wireless communications devices |
| 11/01/2001 | US20010037189 Method of estimating phase noise spectral density and jitter in a periodic signal |
| 11/01/2001 | US20010035352 Toner characterization cell |
| 11/01/2001 | CA2445549A1 Apparatus and method for production testing of the rf performance of wireless communications devices |
| 10/31/2001 | EP0891654B1 Apparatus and method for measuring time intervals with very high resolution |
| 10/31/2001 | DE10114410A1 Phase-noise waveform quality measuring device e.g. for analyzing clock signal, determines instantaneous phase of signal and removes linear phase to obtain phase-noise waveform |
| 10/31/2001 | DE10103879A1 Vorrichtung und Verfahren zur Jittermessung Apparatus and method for jitter measurement |
| 10/31/2001 | CN2457608Y Signal test stick |
| 10/30/2001 | US6311138 Digital storage oscilloscope with simultaneous primary measurement and derived parameter display on common time axis and method therefor |
| 10/30/2001 | US6310579 Method and apparatus for calibrating antenna apparatus and testing an antenna connected thereto |
| 10/25/2001 | US20010033339 Jitter detecting circuit for detecting cycle-to-cycle jitter |
| 10/25/2001 | US20010033176 Method and apparatus for identification of the disconnection of a protection device |
| 10/24/2001 | EP1148340A2 All digital built-in self-test circuit for phase-locked loops |
| 10/24/2001 | EP1147427A1 Method and apparatus for determining electromagnetic field characteristics within a volume |
| 10/24/2001 | CN2456171Y On line ripple determiner |
| 10/24/2001 | CN1073777C Method and circuit to determine noise value that corresponds to noise in signal |
| 10/23/2001 | US6307896 Instrumentation receiver for digitally modulated radio frequency signals |