| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 10/15/2003 | EP1353162A1 Determination of a device signal response characteristic using multiple varied signals |
| 10/15/2003 | EP1352255A1 Device for determining the internal resistance of a linear oxygen probe |
| 10/15/2003 | CN1448726A An arrangement for electrical magnetic medium electromagnetic quantity temperature variation testing using ridge waveguide |
| 10/15/2003 | CN1124493C Chargeable cell test loop contact resistance monitoring method |
| 10/14/2003 | US6632691 Apparatus and method for determining doping concentration of a semiconductor wafer |
| 10/14/2003 | CA2161500C Method and apparatus for measuring mud resistivity in a wellbore including a probe having a bottom electrode located at the bottom of a tool string and propagating a current from and to the bottom electrode in a direction parallel to a longitudinal axis of the tool |
| 10/09/2003 | WO2003083907A2 Determination apparatus and method of calibrating the apparatus |
| 10/09/2003 | WO2003083498A1 System and method for measuring fuel cell voltage and high frequency resistance |
| 10/09/2003 | US20030191591 Electronic measurement apparatus having a function to a display a function menu over a plurality of pages in a list and function menu display method |
| 10/09/2003 | US20030189431 Process for identifying abnormalities in power transformers |
| 10/08/2003 | CN2578836Y Microwave scalar network analyzer |
| 10/07/2003 | US6630834 Apparatus and method for measuring change in capacitance |
| 10/02/2003 | US20030184325 Device and method for monitoring a capacitor bushing |
| 10/02/2003 | US20030183764 Method for charging a structure comprising an insulating body |
| 10/01/2003 | CN1446315A Method and device for determination of at least one parameter of mixture of carrier, water and gas |
| 10/01/2003 | CN1445555A Circuit for testing negative temperature coefficient thermistor |
| 10/01/2003 | CN1122850C Apparatus for testing variable resistors |
| 09/30/2003 | US6628124 Electrocapacitive force measuring apparatus |
| 09/25/2003 | WO2003078989A1 High-sensitivity measuring instrument |
| 09/24/2003 | EP1099118B1 Method for determining very low capacitance and the use thereof |
| 09/23/2003 | US6625428 Voltage standing-wave ratio measurement apparatus and use in a cellular communications system |
| 09/23/2003 | US6624650 Impedance measuring device for printed wiring board |
| 09/23/2003 | US6624640 Capacitance measurement |
| 09/18/2003 | WO2003076956A2 Method for measuring the residual system directivity and/or the residual system port impedance match of a system-calibrated vector network analyser |
| 09/18/2003 | US20030173984 Current-comparator-based four-terminal resistance bridge for power frequencies |
| 09/18/2003 | US20030173978 Method and apparatus for calibrating a multiport test system for measurement of a dut |
| 09/18/2003 | US20030173976 Highly time resolved impedance spectroscopy |
| 09/18/2003 | US20030173975 Method, apparatus, and article of manufacture for characterizing a device and predicting electrical behavior of the device in a circuit |
| 09/18/2003 | US20030173399 Method and device for measuring a line attenuation |
| 09/17/2003 | CN1442929A Improved frequency selection of echoloss bridge direction |
| 09/17/2003 | CN1442704A Improved calibration of vector network analyzer |
| 09/17/2003 | CN1442699A Interference elimination in antenna testing |
| 09/17/2003 | CN1442698A Testing method of distributed inductance in high power nono second strong current discharge circuit |
| 09/17/2003 | CN1121804C Apparatus and method for measuring voltage standing wave radio in antenna of base station |
| 09/12/2003 | WO2003075300A1 Integrated vi probe |
| 09/12/2003 | WO2003074978A2 Stabilized conductivity sensing system |
| 09/12/2003 | CA2477822A1 Stabilized conductivity sensing system |
| 09/11/2003 | US20030171886 Calibration for vector network analyzer |
| 09/10/2003 | EP1342094A1 Device for electromagnetic characterisation of a tested structure |
| 09/09/2003 | US6617861 Apparatus and method for measuring and monitoring complexpermittivity of materials |
| 09/04/2003 | US20030167144 Re-configurable embedded core test protocol for system-on-chips (SOC) and circuit boards |
| 09/04/2003 | US20030164770 Electrical resistance monitoring device |
| 09/04/2003 | US20030164712 Frequency selective improvement of the directivity of a return loss bridge |
| 09/04/2003 | US20030164708 Stabilized conductivity sensing system |
| 09/03/2003 | EP1341306A1 Circuit for a capacitive sensor element |
| 09/03/2003 | EP1340989A1 Device and method for measuring potentials in the soil |
| 09/03/2003 | EP1166275B1 Device for weighting the cell resistances in a magnetoresistive memory |
| 09/03/2003 | CN1440086A Method for manufacturing primary battery |
| 09/03/2003 | CN1439884A Piezoelectric ceramics transducer admittance circular graphic instruments |
| 09/02/2003 | US6614237 Multiport automatic calibration device for a multiport test system |
| 08/28/2003 | WO2003071230A2 Bridged capacitor sensor measurement circuit |
| 08/28/2003 | US20030163264 Method and device for analysing a network of conductors |
| 08/28/2003 | US20030162310 Characteristics evaluation of intermediate layer circuit |
| 08/28/2003 | US20030160623 Migration measuring method and measuring apparatus |
| 08/28/2003 | US20030160618 Method and circuit arrangement for measuring earth leakages in intrinsically safe current feeds |
| 08/28/2003 | US20030160602 Power factor/tan delta testing of high voltage bushings on power transformers, current transformers, and circuit breakers |
| 08/27/2003 | EP1339122A2 Process for manufacturing galvanic elements |
| 08/27/2003 | EP1337863A2 Dynamic impedance comparator |
| 08/26/2003 | US6611477 Built-in self test using pulse generators |
| 08/21/2003 | WO2003069360A1 Capacitance sensors with asynchronous ring oscillator circuit and capacitance |
| 08/21/2003 | WO2003069293A1 Method for determining the electrical resistance of an electrical supply lead to sensor elements, and a sensor arrangement |
| 08/21/2003 | US20030158678 Charged particle measuring apparatus |
| 08/21/2003 | US20030155937 Apparatus for measuring conductivity |
| 08/21/2003 | US20030155936 Bridged capacitor sensor measurement circuit |
| 08/21/2003 | US20030155934 Apertured probes for localized measurements of a material's complex permittivity and fabrication method |
| 08/21/2003 | US20030155929 Method for detecting line-to-ground fault location in power network |
| 08/21/2003 | US20030154593 Method for manufacturing galvanic elements |
| 08/19/2003 | US6608475 Network analyzer using time sequenced measurements |
| 08/19/2003 | US6608474 Frequency change measuring device |
| 08/14/2003 | US20030151416 Circuit for determining the internal resistance of a linear lambda probe |
| 08/13/2003 | EP1025447B1 Handheld vector network analyzer (vna) operating at a high frequency by mixing lo and rf signals having offset odd harmonics |
| 08/13/2003 | CN1436307A Method and apparatus for testing signal paths between integrated circuit wafer and wafer tester |
| 08/12/2003 | US6606583 Real-time error-suppression method and apparatus therefor |
| 08/12/2003 | US6605949 Quasi-hemispherical fabry-perot resonator and method of operating the same |
| 08/07/2003 | WO2003065062A1 Method for high-accuracy non-contact capacitive displacement measurement of poorly connected targets |
| 08/07/2003 | WO2003065061A1 Apparatus and method for improving microwave coupling to a resonant cavity |
| 08/06/2003 | CN2565028Y Module for detecting insulation resistance of DC system |
| 08/06/2003 | CN1434926A Propagating wave earth formation resistivity measuring arrangement |
| 08/06/2003 | CN1117274C Method for high-precision measurement of high-temp. and low-temp. phase-changing resistances |
| 08/06/2003 | CN1117273C High-precision equipment for measuring high-temp. and low-temp. phase-changing resistances |
| 07/31/2003 | US20030141881 Method for high-accuracy non-contact capacitive displacement measurement of poorly connected targets |
| 07/30/2003 | CN2563885Y Wiring improving structure for circuit board test wire |
| 07/30/2003 | CN2563585Y Electronic meter head pointer indication insulation resistance measurer |
| 07/30/2003 | CN2563584Y Impact current meter capable of measuring low resistance |
| 07/30/2003 | CN1432815A Electronic load simulator with tested current loop impedance |
| 07/29/2003 | US6600680 Circuit configuration and method for determining a time constant of a storage capacitor of a memory cell in a semiconductor memory |
| 07/29/2003 | US6600380 Method and device for measuring the damping of an LC-oscillating circuit |
| 07/29/2003 | US6600328 Analog method and circuit for monitoring digital events performance |
| 07/24/2003 | WO2003060558A2 Admittance sensor for mass detection |
| 07/24/2003 | US20030137314 Annular illumination method for charged particle projection optics |
| 07/23/2003 | EP1329937A2 Annular illumination method for charged particle projection optics |
| 07/23/2003 | EP1328821A2 Measurement of fuel cell impedance |
| 07/23/2003 | CN1115565C Output resistance tester for driver integrated circuit and testing method thereof |
| 07/22/2003 | US6597186 Through tank level gauging |
| 07/22/2003 | US6597185 Apparatus for localized measurements of complex permittivity of a material |
| 07/22/2003 | US6597183 Resistance measurement system |
| 07/22/2003 | US6597182 Detector for detecting contact resistance anomaly of cathode electrode in electroplating machine |
| 07/17/2003 | US20030135344 Methods for embedding and de-embedding balanced networks |
| 07/17/2003 | US20030132768 Apparatus and methods for measuring parasitic capacitance and inductance of I/O leads on an electrical component using a network analyzer |
| 07/17/2003 | US20030132764 Capacitance-based position sensor with integrating demodulator |