| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 09/15/1999 | EP0941472A1 Grid sensor for determining the conductivity distribution in flow media and process for generating measurement signals |
| 09/15/1999 | CN1228534A Electrical measurement method for measuring conducting material structure |
| 09/14/1999 | US5952836 In a rotor strap of a helicopter |
| 09/07/1999 | US5949380 Antenna tester |
| 09/07/1999 | US5949236 Frequency domain reflectometer and method of compensating for transmission line attenuation |
| 09/07/1999 | US5949234 Electrostatic sensor |
| 09/01/1999 | EP0938682A1 Apparatus for measuring impedance of a resonant structure |
| 08/31/1999 | US5946085 Dielectric dispersion determining method in terahertz region using femtosecond ultrashort visible optical pulse |
| 08/26/1999 | WO1999043096A1 Data communications terminal and method of adjusting a power signal generated therefrom |
| 08/26/1999 | WO1999042848A2 Capacitance detection system and method |
| 08/26/1999 | WO1999042847A1 Impedance detection apparatus and method |
| 08/26/1999 | CA2287441A1 Data communications terminal and method of adjusting a power signal generated therefrom |
| 08/19/1999 | DE19838528A1 Evaluating capacitance of capacitive sensor for detection of person |
| 08/18/1999 | EP0936469A2 Loop resistance tester (LRT) for cable shield integrity monitoring |
| 08/17/1999 | CA2240697A1 Method of evaluating superconducting wire |
| 08/12/1999 | WO1999040447A1 Impedance-to-voltage converter and converting method |
| 08/12/1999 | DE19803641A1 Capacitive sensor for detecting persons |
| 08/12/1999 | DE19754351C1 Method of measuring the temp. of a coil with an associated inductance and temp. dependent capacitance |
| 08/10/1999 | US5937023 Method and circuit for detecting small variations in capacity via delay accumulation |
| 08/04/1999 | CN2331976Y Arrangement for measuring electrolytic condenser internal impedance |
| 08/03/1999 | US5933309 Apparatus and method for monitoring the effects of contact resistance |
| 08/03/1999 | US5933020 Test structure |
| 08/03/1999 | US5933015 Method and apparatus for measuring in-place soil density and moisture content |
| 08/03/1999 | US5933011 Ground path testing |
| 08/03/1999 | CA2005123C Means and method for measuring inductance |
| 07/29/1999 | WO1999038021A1 Fast cd and md control in a sheetmaking machine |
| 07/29/1999 | WO1999038020A1 Impedance-to-voltage converter |
| 07/29/1999 | WO1999038019A1 Static capacitance-to-voltage converter and converting method |
| 07/28/1999 | EP0701687B1 Resistance measuring circuit, and thermal appliance, electrical thermometer and cold-generating appliance including such a measuring circuit |
| 07/28/1999 | CN2330996Y Digital paired line device |
| 07/27/1999 | US5929670 Method for improving signal generator frequency precision using counters |
| 07/27/1999 | US5929328 Method for checking the function of the electrical heater of a lambda probe in the exhaust line of an internal combustion engine |
| 07/27/1999 | CA2017630C Work station monitor |
| 07/22/1999 | WO1999024807A3 Permittivity sensor |
| 07/14/1999 | CN1222679A Multimeter with both pointer and digit display |
| 07/13/1999 | US5923568 Distributed capacitance estimations of interconnects within integrated circuits |
| 07/13/1999 | US5923565 Apparatus and method for extracting capacitance in the presence of two ground planes |
| 07/13/1999 | US5923175 Apparatus for contactless measurement of the electrical resistance of a conductor |
| 07/13/1999 | CA2161615C Electric conductivity measurement circuit and probe |
| 07/08/1999 | WO1999034174A1 Electrode integrity checking |
| 07/07/1999 | EP0927359A1 Circuit to measure resistance and leakage |
| 07/07/1999 | EP0927356A1 Method of checking electrical components and device for carrying out this method |
| 07/06/1999 | CA2082816C Transient electromagnetic inspection method and apparatus with moving sensors |
| 06/30/1999 | EP0926475A2 Capacitive level sensor with integrated impurities film detection |
| 06/30/1999 | CN1043927C Electrical impedance detector for measurement of physical quantities, in particular of temp. and process for manufacture of said detector |
| 06/30/1999 | CA2255225A1 Capacitance measuring circuit for a capacitive sensor |
| 06/29/1999 | US5917328 Container inspection apparatus for determining the wall thickness of non-round containers and associated method |
| 06/29/1999 | CA2000223C Composition monitor and monitoring process using impedance measurement |
| 06/24/1999 | DE19755418A1 Sensor measuring complex impedances |
| 06/23/1999 | EP0924525A1 Procedure for adjusting a signal conditioning circuit, which converts a capacitance value into a corresponding voltage |
| 06/23/1999 | CN2325782Y Testing calibrator of four-prob electrical resistivity instrument |
| 06/22/1999 | US5915231 Method in an integrated circuit (IC) manufacturing process for identifying and redirecting IC's mis-processed during their manufacture |
| 06/22/1999 | US5914611 Method and apparatus for measuring sheet resistance and thickness of thin films and substrates |
| 06/22/1999 | US5914607 Apparatus and methods for analyzing a sample solution, including first and second ion detectors |
| 06/16/1999 | EP0922963A2 Evaluation circuit for determining complex impedances, apparatus for measuring complex impedance and use of the apparatus |
| 06/16/1999 | EP0922962A1 Procedure and device for sampling a reactance |
| 06/16/1999 | EP0721722B1 Method of predicting voltages in telephone line measurement |
| 06/15/1999 | US5912693 Method of driving heating element to match its resistance, thermal printer, and resistance measuring device |
| 06/09/1999 | EP0921404A2 High frequency characteristics measurement method for dielectric materials and high frequency circuit design method |
| 06/08/1999 | US5910729 Variable wave impedance generator for testing electric and magnetic field calibration of electronic equipment |
| 06/03/1999 | WO1999027374A1 Remote resistivity measurement |
| 06/02/1999 | DE19852775A1 Varistor testing and sorting method |
| 06/02/1999 | CN2322150Y Digital ground resistance tester |
| 06/02/1999 | CN1218182A Apparatus and methods for testing variable resistors |
| 06/01/1999 | US5909192 For use with a data processing system |
| 05/26/1999 | EP0917765A2 Swept frequency device test |
| 05/25/1999 | US5907243 Measuring circuit for sensing ionisation within a cylinder of a combustion engine |
| 05/25/1999 | CA2164083C Pulse based cable attenuation measurement system |
| 05/20/1999 | WO1999024807A2 Permittivity sensor |
| 05/20/1999 | DE19753048A1 Method of contact monitoring between conducting devices using potential detection e.g. for voltage breakdown protection in DC rail system |
| 05/20/1999 | DE19750280A1 Acupuncture point measuring electrode with plastic sleeve for limiting electrode penetration into skin |
| 05/18/1999 | CA2143786C Method for measuring transmission parameters of balanced pair |
| 05/12/1999 | EP0915347A2 Method and apparatus for measuring the loop resistance of networks protected by circuit breakers |
| 05/12/1999 | EP0783702B1 Method and device for measuring impedance in alternating current networks and method and device for preventing the formation of separate networks |
| 05/12/1999 | EP0642673B1 Method and arrangement for measuring the condition of a receiver antenna |
| 05/12/1999 | CN2318639Y Earth monitor for electrostatic earthed system |
| 05/11/1999 | US5903160 Method and apparatus for testing an electrical conductor assembly |
| 05/06/1999 | WO1999022248A1 Handheld vector network analyzer (vna) operating at a high frequency by mixing lo and rf signals having offset odd harmonics |
| 05/06/1999 | EP0913695A2 Multimeter with current sensor |
| 05/05/1999 | CN2317483Y Insulating resistance monitor |
| 05/05/1999 | CN1215839A Multimeter with current sensor |
| 04/29/1999 | WO1999009405A8 Pipe testing apparatus and method |
| 04/29/1999 | DE19747584A1 Method for dimensioning microwave circuits with microstrip conductors in the GHz range |
| 04/29/1999 | DE19746732A1 Device for measuring screen damping of material for screening electromagnetic fields |
| 04/28/1999 | EP0911639A1 Method and device for compensating the signal drift in a conductivity cell used in a domestic appliance |
| 04/28/1999 | EP0725751B1 Medical electrode package |
| 04/27/1999 | US5898309 Method for determining specific material characteristics |
| 04/27/1999 | US5898308 Time-based method and device for determining the dielectric constant of a fluid |
| 04/27/1999 | US5898304 Sensor arrangement including a neural network and detection method using same |
| 04/27/1999 | CA2118404C Meter and method for in situ measurement of the electromagnetic properties of various materials using cutoff frequency characterization and analysis |
| 04/22/1999 | WO1999019736A1 Protection circuit |
| 04/21/1999 | EP0909956A2 Process and measuring the loop resistance of a distribution network |
| 04/20/1999 | CA2093440C Cell for measuring electrical conductivity |
| 04/15/1999 | WO1999018446A1 Fluid conductivity sensor |
| 04/15/1999 | DE19744445A1 Method to determine dispersive microwave resistance of microstrip conductor in GHz range |
| 04/15/1999 | CA2306280A1 Fluid conductivity sensor |
| 04/14/1999 | EP0908736A2 Circuit for determining the capacity or the capacity change of a capacitive circuit or module |
| 04/14/1999 | CN1213779A Electrode handle for determining man body resistance |
| 04/13/1999 | US5894220 Apparatus for microscopic imaging of electrical and magnetic properties of room-temperature objects |
| 04/08/1999 | WO1999017124A1 Capacitance measurement of a dielectric medium |