Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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08/22/2000 | US6107811 Coupon monitor for cathodic protection system |
08/17/2000 | WO2000048010A1 Measuring method for a capacitive measuring system |
08/17/2000 | WO2000048009A1 Apparatus and method for determining return loss of an electrical device |
08/16/2000 | EP0902895A4 Interferometric signal processing apparatus |
08/15/2000 | US6104200 Apparatus and methods for generating unambiguous large amplitude timing makers in time domain reflectometry systems for measuring propagation velocities of RF pulses to determine material liquid contents moisture |
08/15/2000 | CA2194956C Capacitive measuring device with mosfet |
08/10/2000 | WO2000046612A1 Multi-port device analysis apparatus and method and calibration method thereof |
08/10/2000 | WO2000046605A2 Scattering parameter calibration system and method |
08/09/2000 | EP1025447A1 Handheld vector network analyzer (vna) operating at a high frequency by mixing lo and rf signals having offset odd harmonics |
08/09/2000 | CN2391204Y Automatic shifting phase anti-interference dielectric loss measuring instrument |
08/09/2000 | CN2391203Y Rotary eddy current detecting probe |
08/08/2000 | US6101374 Radio communication apparatus having two antennas controlled by standing wave ratio |
08/03/2000 | WO2000045450A2 Integral sensors for monitoring a fuel cell membrane and methods of monitoring |
08/02/2000 | CN1055160C Dielectric loss measuring method and equipment for high voltage electric equipment |
08/01/2000 | US6097194 Method and apparatus for obtaining transfer characteristics of a device under test |
08/01/2000 | US6097193 Vehicle starting battery cold-cranking AMPS meter and method |
08/01/2000 | CA2188146C System for the remote measuring of the protection ground |
07/26/2000 | EP1022570A2 Failsafe monitoring system for potentiometers |
07/26/2000 | EP1021987A1 Body fat meter |
07/25/2000 | US6094491 Capacitive touch detection |
07/22/2000 | CA2296939A1 Failsafe monitoring system for potentiometers |
07/20/2000 | DE19901750A1 Phase noise measurement unit uses feedback to cancel unit contribution to phase noise |
07/20/2000 | DE19852086C1 Verfahren zur Korrektur der frequenz- und längenabhängigen Leitungsdämpfung bei FDR-Messungen an Hochfrequenzkabeln Method for correcting the frequency and length-dependent line attenuation in FDR measurements on high-frequency cables |
07/19/2000 | EP0664888B1 Circuit for measuring source resistance of a sensor |
07/18/2000 | US6091080 Evaluation method for wirings of semiconductor device |
07/12/2000 | EP1018637A1 Apparatus and method for detecting change in the resistance of a connector in a sensor circuit |
07/12/2000 | EP1018025A1 Capacitance measurement of a dielectric medium |
07/12/2000 | EP0850419B1 Near-field resistivity microscope |
07/11/2000 | US6087865 Programmable frequency divider |
07/06/2000 | WO2000038959A1 Occupant detection system |
07/06/2000 | WO2000038958A1 Occupant sensor |
07/06/2000 | WO2000038957A1 Occupant detection system |
07/06/2000 | WO2000038956A1 Occupant sensor |
07/06/2000 | WO2000038955A1 Occupant detection system |
07/06/2000 | CA2292144A1 Apparatus and method for detecting electrical resistance change in connectors to a remote mounted sensor |
07/05/2000 | EP0733201B1 System for measuring properties of materials |
07/04/2000 | CA2159134C Spread spectrum code pulse position modulated receiver having delay spread compensation |
06/29/2000 | DE19908360A1 Verfahren zum Betreiben eines Wirbelstromsensors und Wirbelstromsensor A method of operating an eddy current sensor and eddy current sensor |
06/28/2000 | EP1014575A1 Method and tuner for seeking and setting a resonance frequency |
06/27/2000 | US6081125 Network analyzer |
06/27/2000 | US6080278 Fast CD and MD control in a sheetmaking machine |
06/21/2000 | EP1010249A1 Direct sensor interface (dsi) module |
06/21/2000 | CN1257208A Network dirct-to-ground capacitance and current measuring instrument |
06/20/2000 | US6078182 Resistance measuring meter with voltage multiplier |
06/15/2000 | WO2000035092A1 Method and device for measuring the damping of a lc-oscillating circuit |
06/15/2000 | WO2000035090A1 Multilevel current generator with digital control and system for testing the endurance of a component equipped with same |
06/15/2000 | WO2000034796A1 Scanning single electron transistor microscope for imaging ambient temperature objects |
06/14/2000 | EP1008364A1 Self-testing grounding device |
06/14/2000 | CN2383078Y Hook earthed ohmmeter |
06/14/2000 | CN1256758A Impedance-to-voltage converter and converting method |
06/14/2000 | CN1256757A Capacitance detection system and method |
06/14/2000 | CN1256756A Impedance detection apparatus and method |
06/13/2000 | US6075464 Dynamic and non-contact measurement of displacement or of permittivity by use of a capacitive sensor |
06/13/2000 | US6075448 Apparatus and method for testing an electrical circuit |
06/13/2000 | US6073488 Capacitive liquid level sensor with integrated pollutant film detection |
06/08/2000 | WO2000033242A1 Component used as a sensor and production method |
06/08/2000 | DE19856408A1 Capacitive sensor system for contactless keyboards. sensor arrangements, sensor surfaces and/or contact sensitive display systems operable through electrically non-conducting material based on variable time constants or delay times |
06/07/2000 | CN2382025Y Resistor measuring instrument |
06/07/2000 | CN1255975A Resistance-voltage converter |
06/07/2000 | CN1255974A Static capacitance-to-voltage converter and converting method |
06/06/2000 | US6073083 Arrangement for determining the internal resistance of a lambda probe |
06/06/2000 | US6072309 Paper stock zeta potential measurement and control |
06/02/2000 | WO2000031553A1 Charge transfer capacitance measurement circuit |
05/31/2000 | DE19957327A1 Positioning device for setting measurement device for positions regulation of machine-part has moving device of first end in opposition to that on second end in same level and crosswise to direction of distance-alteration of two ends |
05/31/2000 | DE19914488C1 Cell resistance evaluation device for magnetoresistive memory |
05/31/2000 | CN2380925Y Apparatus for measuring resistance of sensor |
05/30/2000 | US6069849 Method and system for measuring signal propagation delays using the duty cycle of a ring oscillator |
05/25/2000 | WO2000029862A1 Method for correcting frequency- and length-dependent line attenuation for fdr-measurements carried out on high-frequency cables |
05/25/2000 | DE19852591A1 Verfahren zur Prüfung einer Erdverbindung A method for testing an earth connection |
05/23/2000 | US6067507 Method in an integrated circuit (IC) manufacturing process for identifying and redirecting IC's mis-processd during their manufacture |
05/23/2000 | US6066955 Orientation sensor especially suitable for use in an underground boring device |
05/23/2000 | US6066953 Architecture for RF signal automatic test equipment |
05/17/2000 | EP1001270A2 Method for testing a ground connection |
05/17/2000 | EP1000363A1 Spreading resistance profiling system |
05/17/2000 | EP1000362A1 Method for determining very low capacities and sensor designed therefor |
05/17/2000 | EP1000348A1 Device and method for carrying out a contactless measurement of the conductivity of a liquid situated in a flow channel |
05/17/2000 | CN2378714Y Expanded phase demodulating capacitor grid transducer |
05/16/2000 | US6065137 Network analyzer measurement method using adaptive signal processing |
05/16/2000 | US6064313 Alternating current circuit and outlet tester |
05/16/2000 | US6064212 Method for determining the transmission characteristics of an electric line |
05/11/2000 | WO2000027173A1 Test coupon for printed wiring board |
05/11/2000 | WO2000026848A1 Method and apparatus for shooting using biometric recognition |
05/11/2000 | WO2000026661A1 Sensor arrangement for detecting the physical properties of liquids |
05/11/2000 | DE19850799A1 Sensoranordnung zur Ermittlung physikalischer Eigenschaften von Flüssigkeiten Sensor assembly to determine the physical properties of liquids |
05/11/2000 | DE19850290A1 Circuit for linear capacitive measurement circuit, e.g. for distance or level sensor, has comparator which compares output of rectifier with reference voltage |
05/11/2000 | DE19849580A1 Measuring available effective power or source reflection factor at reference impedance of signal generator involves measuring three or more load reflection factors and respective effective powers delivered by signal generator |
05/10/2000 | EP0998874A2 An impedance measuring device and a health management device using the same |
05/10/2000 | EP0998677A2 System for measuring the alternating current equivalent series resistance of a conductor |
05/10/2000 | CN1252908A Data communication terminal and method of adjusting a power signal generated therefrom |
05/10/2000 | CN1052306C Field transmitter built-in test equipment |
05/10/2000 | CN1052150C Apparatus for ascertaining complex dielectric constant of tobacco |
05/09/2000 | US6060888 Error correction method for reflection measurements of reciprocal devices in vector network analyzers |
05/04/2000 | WO2000025098A2 Capacitive measuring device |
05/04/2000 | DE19823836C2 Vorrichtung und Verfahren zum berührungsfreien Messen der Leitfähigkeit einer in einem Strömungskanal befindlichen Flüssigkeit Apparatus and method for contactless measurement of the conductivity of a liquid contained in a flow channel |
05/04/2000 | CA2347988A1 Capacitive measuring device |
05/03/2000 | CN1052112C Wafer release method and apparatus |
04/26/2000 | EP0995125A1 Microwave reflectometer and method, and microwave oven equipped therewith |
04/26/2000 | EP0995083A1 Capacitative level detector with optimized electrode geometry |
04/25/2000 | US6054867 Method for stabilizing feedback loop of impedance measuring apparatus |
04/25/2000 | US6054865 Multiple function electrical safety compliance analyzer |