| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 01/26/2000 | EP0974810A2 Nonlinear current mirror for loop-gain control |
| 01/26/2000 | CN1242522A Device for automatically measuring resistance |
| 01/25/2000 | US6018702 Tuned filter calibration system |
| 01/25/2000 | US6018246 Network analyzer measurement method for high dynamic range devices |
| 01/20/2000 | WO2000003252A2 Multi-point probe |
| 01/20/2000 | DE19832019A1 Trigger circuit monitoring method for safety device in vehicle e.g. airbag, belt tightener, measuring charge-time for RC trigger circuit, computing and comparing its voltages to ensure readiness to operate in crash situation |
| 01/20/2000 | CA2336531A1 Multi-point probe |
| 01/19/2000 | EP0973154A1 Automatic resistance measuring device |
| 01/19/2000 | EP0972205A1 Impedance-to-voltage converter and converting method |
| 01/19/2000 | EP0776480B1 Capacitive measuring device with mosfet |
| 01/19/2000 | CN2359703Y Capacitance type equipment on line detecting instrument |
| 01/19/2000 | CN1048555C L. C testing circuit and multi-parameter measurer thereof |
| 01/18/2000 | US6016355 Capacitive fingerprint acquisition sensor |
| 01/18/2000 | US6016104 System for controlling the resistance of a load connected to a transformer |
| 01/18/2000 | CA2190544C Fingerprint acquisition sensor |
| 01/12/2000 | EP0970387A1 Static capacitance-to-voltage converter and converting method |
| 01/12/2000 | EP0970386A1 Impedance-to-voltage converter |
| 01/11/2000 | US6014029 Sensor for sensing changes in the permittivity of a medium in which it is disposed |
| 01/06/2000 | WO2000000941A1 Wrist strap integrity check circuitry |
| 01/05/2000 | EP0969477A1 Small capacitance change detection device |
| 01/05/2000 | EP0969287A2 Charge balance network with floating ground capacitive sensing |
| 01/05/2000 | EP0739565A4 Subscriber line impedance measurement device and method |
| 01/05/2000 | DE19928555A1 Capacitor insulation resistance measurement method |
| 12/30/1999 | DE19908475A1 Calibration system for YIG (yttrium-iron-garnet)-tuned filter (YTF) in spectrum analyzer |
| 12/30/1999 | DE19858147A1 Circuit for detecting inductance alterations of coil, used to determine position of object on basis of magnetic flux alteration |
| 12/30/1999 | DE19820853C1 Circuit for measuring impedance for medical purposes |
| 12/29/1999 | CN2356354Y Pocket clamp shape digital meter |
| 12/28/1999 | US6008660 Method for developing circuit capacitance measurements corrected for stray capacitance |
| 12/28/1999 | US6008656 Arrangement for calibrating a network analyzer for on-wafer measurement at integrated microwave circuits |
| 12/28/1999 | US6008465 Laser cutting machine and method for laser cutting with measurement of resistance between cutting head and work piece |
| 12/23/1999 | WO1999066639A1 Current-controlled output buffer |
| 12/23/1999 | WO1999066336A1 Adaptive driver with capacitive load sensing and method of operation |
| 12/21/1999 | US6005829 Method for characterizing interconnect timing characteristics |
| 12/21/1999 | US6005398 High speed phase and amplitude measurement system and method |
| 12/21/1999 | CA2046269C Arrangement for processing sensor signals |
| 12/16/1999 | WO1999065003A1 Conductive security article and method of manufacture |
| 12/16/1999 | WO1999064251A1 Conductive security article with detector apparatus |
| 12/16/1999 | DE19824850A1 Measuring impedance of electric element with at least two AC voltages |
| 12/15/1999 | EP0963250A2 Improvements in thermal cycler for pcr |
| 12/14/1999 | US6002238 Method and apparatus for measuring complex impedance of cells and batteries |
| 12/09/1999 | DE19902344A1 Network analyzer calibration method |
| 12/09/1999 | DE19825436A1 Circuit for self-calibrated impedance measurement of electrical components and analogue circuits |
| 12/09/1999 | DE19823836A1 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 |
| 12/09/1999 | DE19823544A1 Circuit for measuring small alterations of electric variables, especially capacitances |
| 12/09/1999 | DE19815721A1 Dual loop resistance test meter with fault detection display for low voltage networks |
| 12/08/1999 | EP0962783A2 Apparatus for measuring electrical characteristics of circuit |
| 12/07/1999 | US5999010 Method of measuring interconnect coupling capacitance in an IC chip |
| 12/07/1999 | US5999002 Contact check for remote sensed measurement |
| 12/02/1999 | WO1999061900A1 Device and method for carrying out a contactless measurement of the conductivity of a liquid situated in a flow channel |
| 12/02/1999 | DE19855896A1 Capacitive detection circuit for capacitive sensor, e.g. to measure pressure or acceleration |
| 12/01/1999 | EP0961383A1 Method and device for testing the capacity of a storage capacitor in a passenger safety system |
| 12/01/1999 | CN2351767Y Insulation resistance automatic display device for electric machine |
| 11/30/1999 | US5994906 Fluid measurement of dielectric property change in hydraulic fluid |
| 11/30/1999 | CA2146908C Contactless sheet resistant measurement method and apparatus |
| 11/30/1999 | CA2113290C Wafer sensing and clamping monitor |
| 11/25/1999 | WO1999060615A2 Process for the preparation of epitaxial wafers for resistivity measurements |
| 11/25/1999 | WO1999042848A3 Capacitance detection system and method |
| 11/23/1999 | US5991905 Process and device for testing a memory element |
| 11/23/1999 | US5990807 Dynamic and non-contact measurement of displacement or of permittivity by use of a capacitive sensor |
| 11/23/1999 | US5990685 Apparatus for and method of monitoring an earth-leakage state of a power distribution system |
| 11/23/1999 | US5990677 Apparatus and methods for obtaining increased sensitivity, selectivity and dynamic range in property measurement using magnetometer |
| 11/23/1999 | US5990578 Capacitive sensor arrangement |
| 11/18/1999 | WO1999059003A1 Capacitive measuring system and a measuring method for such a capacitive measuring system |
| 11/18/1999 | WO1999058989A1 Methods for utilizing dielectrometry signals using estimation grids |
| 11/18/1999 | WO1999058924A1 Inductance measurement |
| 11/18/1999 | DE19820965A1 Measuring unit for low loss measurement of mains impedance with loading using capacitor or inductance |
| 11/18/1999 | CA2331644A1 Methods for utilizing dielectrometry signals using estimation grids |
| 11/17/1999 | EP0782692B1 Sensor arrangement and method of detecting measured values using said sensor arrangement |
| 11/11/1999 | DE19918960A1 Calibration process for multiport network analyzer based on a 7-term process |
| 11/11/1999 | DE19809890C1 Vorrichtung zur Messung der Kapazität von elektrischen Adern Apparatus for measuring the capacitance of electrical wires |
| 11/09/1999 | US5982228 Frequency tuning apparatus and method for continuous-time filters |
| 11/04/1999 | WO1999056140A1 Method and device for monitoring an electrode line of a bipolar high voltage direct current (hvdc) transmission system |
| 11/04/1999 | DE19903573A1 Reflection measurement correction method for vector network analyzer |
| 11/04/1999 | DE19818974A1 Internal impedance determination of AC voltage source |
| 11/03/1999 | EP0953844A2 Time domain reflectometry tester for X-Y prober |
| 11/02/1999 | US5977803 Capacitance type sensor interface circuit |
| 11/02/1999 | US5977779 Handheld vecor network analyzer (VNA) operating at a high frequency by mixing LO and RF signals having offset odd harmonics |
| 11/02/1999 | US5974895 Capacitively measuring sensor and readout circuit |
| 10/28/1999 | WO1999054741A1 Paper stock zeta potential measurement and control |
| 10/27/1999 | EP0952449A2 Resistance measuring meter with voltage multiplier |
| 10/20/1999 | EP0882240A4 Microscopic imaging of properties of room-temperature objects |
| 10/19/1999 | US5969531 Inspection apparatus for inspecting performance of structure by inserting measuring element through gap formed therein |
| 10/19/1999 | US5969432 Arrangement for controlling a load connected to the secondary side of a transformer |
| 10/19/1999 | US5968191 Method and apparatus for testing integrated circuits in a mixed-signal environment |
| 10/14/1999 | DE19857834A1 Analyzer network measurement method |
| 10/13/1999 | EP0856160B1 Arrangement for controlling a load connected to the secondary side of a transformer |
| 10/13/1999 | CN1231426A Device for measuring capacitance of electrical wires |
| 10/12/1999 | US5966015 Test fixture for circuit component |
| 10/12/1999 | CA2058591C Computerized remote resistance measurement system with fault detection |
| 10/05/1999 | US5963043 Method and apparatus for characterized parasitic capacitance between integrated-circuit interconnects |
| 09/30/1999 | WO1999049326A1 Vector network analyser |
| 09/30/1999 | DE19819219C1 Electrode line monitoring method for bipolar HV DC transmission installation |
| 09/29/1999 | EP0944817A1 Method and apparatus for electronic compensation of erroneous readings caused by resonance in a capacitive pressure transducer |
| 09/28/1999 | US5959505 Crystal oscillator for measuring crystal impedance of a crystal unit |
| 09/28/1999 | US5959455 Fluid conductively sensor |
| 09/28/1999 | CA2172321C Method and apparatus for testing rf devices |
| 09/23/1999 | DE19756963C1 Method for measuring small capacities or changes in capacitance for use as a proximity sensor |
| 09/16/1999 | DE19812604C1 Vectorial network analyzer for millimeter wave range |
| 09/15/1999 | EP0942291A2 Measuring device of the capacitance of electrical conductors |
| 09/15/1999 | EP0942271A1 Improvements in resistance thermometry |