| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 07/05/2007 | US20070152680 Duty detection circuit, dll circuit and semiconductor device having same |
| 07/05/2007 | US20070152679 Apparatus and methods for linearizing piezoresistive wheatstone bridges |
| 07/04/2007 | EP1802990A1 Method for verifying the calibration of a multiport network analyzer and corresponding calibration unit |
| 07/04/2007 | EP1474697B1 Capacitance sensors with asynchronous ring oscillator circuit and capacitance sensing method |
| 07/04/2007 | CN1993621A Calibration standard |
| 07/03/2007 | US7239165 Pulse transport apparatus, systems, and methods |
| 07/03/2007 | US7239156 Configurable corrosion measurement field device |
| 07/03/2007 | US7239155 Electrochemical impedance measurement system and method for use thereof |
| 07/03/2007 | US7239153 Sensor module for measuring surfaces |
| 07/03/2007 | US7239152 Methods for measuring parasitic capacitance and inductance of I/O leads on an electrical component using a network analyzer |
| 07/03/2007 | US7239151 Human body: scanning, typing and profiling system |
| 07/03/2007 | US7239150 Pavement material microwave density measurement methods and apparatuses |
| 07/03/2007 | US7239126 System bench wireless mapping board |
| 06/28/2007 | WO2007071519A1 Measurement arrangement for determining the characteristic line parameters by measuring scattering parameters |
| 06/28/2007 | WO2007014280A3 System, device, and methods for embedded s-parameter measurement |
| 06/28/2007 | US20070150224 Evaluation of an output signal of a device under test |
| 06/28/2007 | US20070145987 Test probe for high-frequency measurement |
| 06/28/2007 | US20070145986 Method and system for powering an integrated circuit |
| 06/28/2007 | US20070145985 Sensors and associated methods, including surface condition sensors |
| 06/28/2007 | US20070145984 Soil moisture sensor systems and methods |
| 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 | DE10149333B4 Sensorvorrichtung zur Messung der Feuchtigkeit von Gasen Sensor apparatus for measuring the humidity of gases |
| 06/28/2007 | DE10116388B4 Verfahren und Vorrichtung zur Kalibrierung vektorieller 4-Messstellen-Netzwerkanalysatoren Method and apparatus for calibrating vectorial network analyzers 4 measuring points |
| 06/27/2007 | EP1801599A1 Measuring apparatus for capacitive pressure measurement |
| 06/27/2007 | EP1364220A4 Electronic pressure sensitive transducer apparatus and method for manufacturing same |
| 06/27/2007 | EP1181562B8 Scattering parameter calibration system and method |
| 06/27/2007 | CN2916587Y Electrode resistance measuring and measured value recording and management apparatus for electromagnetic flow meter converter |
| 06/27/2007 | CN1987499A Signal producing circuit for detecting earthing state |
| 06/27/2007 | CN1987494A Insulation impedance detecting method |
| 06/26/2007 | US7237167 Testing apparatus |
| 06/26/2007 | US7236903 Test apparatus and control method |
| 06/26/2007 | US7235987 Sensor device using pair of resistive sensor controlled beat oscillators |
| 06/26/2007 | US7235986 Capacitive position sensing system with resonant amplification |
| 06/26/2007 | US7235985 Method and device for signal amplitude detection |
| 06/26/2007 | US7235984 Probe device and probe method |
| 06/26/2007 | US7235983 One terminal capacitor interface circuit |
| 06/26/2007 | US7235982 Re-calculating S-parameter error terms after modification of a calibrated port |
| 06/26/2007 | US7235981 Impedance conversion circuit and integrated circuit including thereof |
| 06/26/2007 | US7235979 Apparatus and method for measuring loop insertion loss single-endedly |
| 06/26/2007 | US7235978 Device for measuring impedance of electronic component |
| 06/21/2007 | WO2007068972A1 Measuring electrical impedance at various frequencies |
| 06/21/2007 | WO2007068323A1 Method for measuring the noise factor of a device under test by means of a network analyzer |
| 06/21/2007 | WO2007068283A1 Sensor interface |
| 06/21/2007 | WO2005100969A3 Improved method for measuring localized corrosion rate with a multi-electrode array sensor |
| 06/21/2007 | US20070143051 Network analyzer, network analyzing method, program, and recording medium |
| 06/21/2007 | US20070143047 Testing target resistances in circuit assemblies |
| 06/21/2007 | US20070139058 System and method for analyzing length differences in differential signal paths |
| 06/21/2007 | US20070139057 System and method for radio frequency identification tag direct connection test |
| 06/21/2007 | DE10012503B4 Elektrotherapievorrichtung, insbesondere Defibrillator, zur Impedanzabschätzung mit dynamischer Signalverlaufssteuerung Electrotherapy device, especially defibrillator, impedance estimation with dynamic waveform control |
| 06/20/2007 | CN1983882A Radio-frequency front, system and method for measuring antenna feedback voltage resident wave ratio |
| 06/20/2007 | CN1982900A Grounding inspector and electrostatic spraying system |
| 06/14/2007 | WO2007029248A3 Sealed capacitive rain sensor |
| 06/14/2007 | US20070136011 Method for approximating a measuring time and corresponding apparatus |
| 06/14/2007 | US20070132463 System and method for detecting rail break/vehicle |
| 06/14/2007 | US20070132462 Pade' approximant based compensation for integrated sensor modules and the like |
| 06/14/2007 | US20070132461 System to measure time of arrival and thickness of rotor blades via microwave energy |
| 06/14/2007 | US20070132460 Microwave spectroscopy probe |
| 06/14/2007 | DE202007004953U1 Elektrische Prüf- und Schalteinrichtung bei maritimen Schaltapparaten Electrical testing and switching means for switching maritime equipment |
| 06/14/2007 | DE102005058433A1 Vectorial network analyzer for measuring scattering parameters of measuring objects, has measuring receiver receiving excitation signal or measuring signals , and switching devices switching receiver between signal generator and gates |
| 06/13/2007 | EP1795907A1 An impulsive impedance meter for electric power systems |
| 06/13/2007 | EP1384285B1 Ferroelectric antenna and method for tuning same |
| 06/13/2007 | CN1321326C Insulated electric resistant testing method |
| 06/12/2007 | US7230435 Capacitance measurement circuit |
| 06/07/2007 | WO2007063955A1 Wheat stone bridge circuit resistance measurement system and resistance measurement method |
| 06/07/2007 | US20070126434 System for on-line assessment of the condition of a thermal coating on a turbine vane |
| 06/07/2007 | US20070126433 Permeable Moisture Sensor for Concrete, and Other Moisture Sensors, Moisture Sensing Methods and Construction Methods |
| 06/07/2007 | US20070126432 Capacitive physical quantity sensor and method of diagnosing the same |
| 06/07/2007 | US20070126431 Dynamically switched line and fault detection for differential signaling systems |
| 06/07/2007 | US20070126412 Waveform measuring apparatus and method thereof |
| 06/06/2007 | EP1792193A1 System and method for measurement of small-angle or small-displacement |
| 06/06/2007 | EP1792192A1 Circuit for detecting the impedance of a load |
| 06/06/2007 | DE102006055844A1 Kapazitiver Sensor für eine physikalische Grösse, sowie Verfahren zu dessen Diagnose Capacitive sensor for a physical quantity and method for its diagnosis |
| 06/06/2007 | CN1977174A Fixture characteristic measurement device, method, program, recording medium, network analyzer, and semiconductor test device |
| 06/06/2007 | CN1977173A Method and apparatus for measuring voltage in a power switching device |
| 06/06/2007 | CN1975445A System and method for pulsed signal device characterization utilizing an adaptive matched filterbank |
| 06/06/2007 | CN1975444A Accumulator cell internal resistance and degradation state on-line monitoring method and system |
| 06/06/2007 | CN1320366C Detection method and device for live insulator in high-voltage transmission line |
| 06/06/2007 | CN1320365C Method for metering transformer loss |
| 06/05/2007 | US7227346 Two channel digital phase detector |
| 05/31/2007 | WO2007060324A1 Device and method for capacitive measurement by a floating bridge |
| 05/31/2007 | WO2006137979A3 Wideband active-passive differential signal probe |
| 05/31/2007 | US20070124098 Heterogeneous multipath path network test system |
| 05/31/2007 | US20070124092 Internal bias measure with onboard ADC for electronic devices |
| 05/31/2007 | US20070120573 Semiconductor switch circuit |
| 05/31/2007 | US20070120572 Smart coupon for realtime corrosion detection |
| 05/31/2007 | DE112005001781T5 Verfahren und Vorrichtung zum Messen eines zeitveränderlichen, durch einen Ionenkanal fließenden Stroms Method and device for measuring a time-varying current flowing through an ion channel current |
| 05/31/2007 | DE102005055272A1 Verfahren und Vorrichtung zur Ermittlung von Leckströmen in batteriegespeisten Netzen Method and apparatus for determination of leakage current in battery powered systems |
| 05/31/2007 | DE102005052956B3 Arrangement for detecting and locating the positions of insulation faults in the heating rods of points heating systems, has means for applying an impulse voltage between the heating output lines and earth |
| 05/31/2007 | CA2630996A1 Systems and methods for testing conductive members employing electromagnetic back scattering |
| 05/30/2007 | CN1973208A A method for providing alignment of a probe |
| 05/30/2007 | CN1971294A Method for measuring phase displacement of microwave and automatic device thereof |
| 05/30/2007 | CN1971293A Method for measuring heavy current portable grounding resistance and its device |
| 05/30/2007 | CN1971292A Device and method for measuring internal impedance of noise source of switch power supply EMI |
| 05/29/2007 | US7224193 Current-voltage conversion circuit |
| 05/29/2007 | US7224172 Device and method for shielding electromagnetic emissions of equipment service vehicle |
| 05/29/2007 | US7224169 Methods and apparatus for non-contact testing and diagnosing of inaccessible shorted connections |
| 05/24/2007 | WO2007058922A2 Sensor for detecting the adulteration and quality of fluids |
| 05/24/2007 | WO2007057179A2 Method for testing a passive infrared sensor |
| 05/24/2007 | WO2007047392A3 Planar multi-electrode array sensor for localized electrochemical corrosion detection |
| 05/24/2007 | US20070118322 Testing circuit for a data interface |