| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 10/27/2005 | US20050238165 Method for measuring resistance for a subscriber line interface circuit using a protective circuit |
| 10/27/2005 | DE102004018422A1 Betriebs- und Auswerte-Schaltung eines Insekten-Sensors Operating and evaluating circuit of an insect sensor |
| 10/26/2005 | EP1589345A1 Method of an apparatus for locating an insulation fault in an unearthed alternating voltage network |
| 10/26/2005 | CN1688890A Method for measuring the scattering parameters of a multiport apparatus with non-sinusoidal measurement signals |
| 10/26/2005 | CN1688869A System for manufacturing a modularly structured apparatus for determining a physical process quantity, and standardized components |
| 10/26/2005 | CN1687797A Digital inspector for flying helmet transmitter-receiver system |
| 10/20/2005 | WO2005074661A3 Rf sensor clamp assembly |
| 10/20/2005 | WO2005045411A3 Method for determining the humidity and density of a dielectric material |
| 10/20/2005 | US20050234662 Method and apparatus for calibrating a frequency domain reflectometer |
| 10/20/2005 | US20050234661 Algorithm for estimation of multiple faults on a transmission line or waveguide |
| 10/20/2005 | US20050231299 Integrated circuit and method for manufacturing same |
| 10/20/2005 | US20050231218 Apparatus and method for non-destructive testing of primers, in particular for airbags in motor vehicles |
| 10/20/2005 | US20050231217 DC ground fault detection with resistive centering |
| 10/20/2005 | US20050231213 Chip-type sensor against ESD and stress damages and contamination interference |
| 10/20/2005 | US20050231212 Voltage measurement with automated correction for input impedance errors |
| 10/20/2005 | US20050230619 Method and system for measurement of dielectric constant of thin films using a near field microwave probe |
| 10/20/2005 | US20050229380 Fingerprint sensors using membrane switch arrays |
| 10/19/2005 | EP1586910A1 Method of and device for insulation monitoring |
| 10/19/2005 | EP1586909A1 Method of determining the offset drift of a Wheatstone bridge |
| 10/19/2005 | CN2735353Y 电容器测试机构 Capacitor testing agency |
| 10/19/2005 | CN1683934A Method of and device for insulation monitoring |
| 10/19/2005 | CN1224137C Electric resistance measuring connector and measuring device and measuring method for circuit board electric resistance |
| 10/19/2005 | CN1223861C Apparatus for measuring leakage current and insulation impedance |
| 10/18/2005 | US6957163 Integrated circuits having post-silicon adjustment control |
| 10/18/2005 | US6957162 Low-impact analyzer interface |
| 10/18/2005 | US6956512 Analog-to-digital converter for programmable logic |
| 10/18/2005 | US6956448 Electromagnetic energy probe with integral impedance matching |
| 10/18/2005 | US6956384 Linear displacement transducer with improved accuracy |
| 10/18/2005 | US6956383 Method and apparatus for implementing automated electronic package transmission line characteristic impedance verification |
| 10/18/2005 | US6956380 Narrow-band amplifier and impedance-measuring apparatus |
| 10/13/2005 | WO2005096005A1 Measuring circuit for the output of a power amplifier and a power amplifier comprising the measuring circuit |
| 10/13/2005 | US20050229054 Integrated circuit |
| 10/13/2005 | US20050228606 Method in an integrated circuit (IC) manufacturing process for identifying and redirecting ICs mis-processed during their manufacture |
| 10/13/2005 | US20050228604 Method and apparatus for calibrating a frequency domain reflectometer |
| 10/13/2005 | US20050226478 Charge detecting circuit and fingerprint sensor using the same |
| 10/13/2005 | US20050225335 Moisture detector |
| 10/13/2005 | US20050225334 Multiple frequency grain moisture sensor for combines |
| 10/13/2005 | US20050225333 Method and system for non-contact measurement of microwave capacitance of miniature structures of integrated circuits |
| 10/13/2005 | US20050225332 Resonator housing for microwaves |
| 10/13/2005 | US20050225331 Operating and evaluation circuit of an insect sensor |
| 10/13/2005 | US20050225329 Correction of loss and dispersion in cable fault measurements |
| 10/13/2005 | US20050223818 Method and apparatus for protection of contour sensing devices |
| 10/13/2005 | DE102005010190A1 Resolver-Schaltung mit BTL-Verstärker Resolver circuit with BTL amplifier |
| 10/13/2005 | DE102004013606A1 Vorrichtung zur Messung von Störungen oder Unterbrechungen in der inneren Glättungsschicht in Mittel- und Hochspannungskabeln Apparatus for measurement of disturbances or interruptions in the inner layer smoothing in medium and high voltage cables |
| 10/13/2005 | DE102004008994A1 Error diagnosis process in high voltage networks determines error affected phase then earths a non affected phase and finds distance to the fault by impedance measurement |
| 10/12/2005 | EP1584930A1 Operational and analysis circuit of an insect sensor |
| 10/12/2005 | EP1584920A1 Temperature-stable cavity resonator consisting mainly of nonmetallic material like for example glass or glass ceramic |
| 10/12/2005 | EP1140576B1 Occupant detection system |
| 10/12/2005 | CN2733369Y Real-time detector for rectification filtering capacitance of voltage source type high-voltage inversion system |
| 10/12/2005 | CN2733368Y Precision measurement device for film resistor or chip resistor |
| 10/12/2005 | CN1680818A Charge detecting circuit and fingerprint sensor using the same |
| 10/12/2005 | CN1679419A Resonator housing for microwaves |
| 10/11/2005 | US6954077 Apparatus and method for improving microwave coupling to a resonant cavity |
| 10/11/2005 | US6954062 Apparatus for determining gaps between a proximity probe and a conductive target material |
| 10/06/2005 | WO2005093461A1 Ratiometric stud sensing and apparatus for same |
| 10/06/2005 | WO2005093447A2 Method of testing an electrochemical device |
| 10/06/2005 | WO2005093438A1 Network analyzer, transmission tracking measuring method, network analyzing method, program, and recording medium |
| 10/06/2005 | WO2005093398A1 System for package inspection |
| 10/06/2005 | WO2005093367A2 Stud sensor with floating head |
| 10/06/2005 | US20050222796 Method for testing an integrated semiconductor memory with a shortened reading time |
| 10/06/2005 | US20050218915 Method and apparatus for battery testing |
| 10/06/2005 | US20050218914 Electrode configuration for resistivity sounding |
| 10/06/2005 | US20050218913 Capacitance change detection device |
| 10/06/2005 | US20050218912 Apparatus and process for detecting condensation in a heat exchanger |
| 10/06/2005 | US20050218910 Current-to-voltage converting apparatus and impedance measuring apparatus |
| 10/06/2005 | US20050218909 Device to detect and measure the concentration and characterization of airborne conductive or dielectric particles |
| 10/06/2005 | US20050218905 Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables |
| 10/06/2005 | CA2554226A1 Ratiometric stud sensing and apparatus for same |
| 10/06/2005 | CA2553727A1 Stud sensor with floating head |
| 10/05/2005 | EP1583236A1 Capacitance change detection device |
| 10/05/2005 | CN2731395Y Rigid explosive head wire resistance auto detector |
| 10/05/2005 | CN1677115A Capacitance change detection device |
| 10/05/2005 | CN1221788C Electrostatic capacitance sensor |
| 10/04/2005 | US6952103 Circuit and method for detecting insulation faults |
| 10/04/2005 | US6952093 Adaptive small-signal compensation for switching regulators |
| 10/04/2005 | US6951624 Method and apparatus of arrayed sensors for metrological control |
| 09/29/2005 | WO2005089134A2 Active sensor circuit with one or more t-network pairs |
| 09/29/2005 | US20050216239 Apparatus and method for S-parameter calculation, and program and recording medium thereof |
| 09/29/2005 | US20050216213 Real-time noise-suppression method and apparatus therefor |
| 09/29/2005 | US20050212536 Orientation sensor especially suitable for use in an underground boring device |
| 09/29/2005 | US20050212533 Oil condition sensor |
| 09/29/2005 | US20050212532 Method and device for determining the moisture content and conductivity in the ground and in bulk materials |
| 09/29/2005 | US20050212530 Method and Apparatus for Testing Electromagnetic Connectivity in a Drill String |
| 09/29/2005 | US20050212529 Method and apparatus for measuring electrical properties in torsional resonance mode |
| 09/29/2005 | US20050212526 Electrical wiring inspection system |
| 09/29/2005 | US20050211381 RF sensor clamp assembly |
| 09/29/2005 | DE102004012457A1 Verfahren und Messprogramm zur Messung eines unbekannten elektrischen Widerstandes in einem Stromkreis und Detektion einer in den Stromkreis potenziell eingekoppelten Überspannung The method and measurement program for measuring an unknown electrical resistance in a circuit, and detection of a potential in the circuit coupled overvoltage |
| 09/29/2005 | DE102004011549A1 Verfahren und Schaltmesskreis zur Messung eines unbekannten elektrischen Widerstandes bei gleichzeitiger Anwesenheit einer unbekannten festen Störspannung oder eines unbekannten festen Störstroms A method and switching the measuring circuit to measure an unknown electrical resistance in the simultaneous presence of an unknown solid or interference voltage of an unknown fixed interference current |
| 09/28/2005 | EP0917765B1 Swept frequency device test |
| 09/28/2005 | CN2729736Y On-line detecting apparatus of circuit compensiting capacitor for railway track |
| 09/28/2005 | CN2728534Y Electrostatic discharging path on-line monitor |
| 09/28/2005 | CN1674164A Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables |
| 09/28/2005 | CN1674009A Apparatus and method for s-parameter calculation, and program and recording medium thereof |
| 09/28/2005 | CN1673757A Method for measuring resistance of user line interface circuit |
| 09/28/2005 | CN1673665A Measurements using tunnelling current between elongate conductors |
| 09/27/2005 | US6949939 Methods and apparatus for measuring rotating machine clearances |
| 09/27/2005 | US6949938 Prevention of robot damage via capacitive sensor assembly |
| 09/27/2005 | US6949937 Differential capacitance measurement |
| 09/22/2005 | WO2005088753A1 Fuel cell system failure diagnosis method, failure diagnosis device using same, and fuel cell system |
| 09/22/2005 | WO2005088323A1 Method and measurement circuit for measuring an unknown electrical resistance in the presence of an unknown fixed interference voltage or a fixed unknown interference current |