| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 09/30/1997 | CA2032873C Capacitive gauge |
| 09/25/1997 | DE19611319A1 Combating fire in electrical plant especially in closed chamber e.g. ducts with electricity cables |
| 09/10/1997 | EP0794437A2 Apparatus for inspecting a structure comprising a probe to be inserted through a gap in the structure |
| 09/10/1997 | EP0794430A2 Method and apparatus for evaluation and inspection of composite-repaired structures |
| 09/09/1997 | US5666059 Method for calibrating a network analyzer according to the fifteen-term principle |
| 09/09/1997 | US5666058 Correction method for an electromagnetic induction-type probe |
| 09/09/1997 | US5665913 Method and apparatus for evaluation and inspection of composite-repaired structures |
| 09/09/1997 | CA2052527C Antenna supervising apparatus comprising a standing wave ratio measuring unit |
| 09/04/1997 | DE19607795A1 Method for detecting ionising contaminants in electronic components |
| 09/03/1997 | EP0793110A2 Method for measuring an electronic object with a network analyser |
| 09/03/1997 | EP0792464A1 A measuring line for a coaxial conductor for determining energy throughflow and standing wave ratios |
| 09/03/1997 | EP0792113A1 Hair-care appliance with hair-moistness measurement by measuring the resistance of the hair, and circuit for converting the resistance value of a resistor into a measurement signal |
| 09/03/1997 | CN1158425A Release-free electric cable tower ground resistance testing method and device |
| 09/02/1997 | US5663649 Soil penetrometer |
| 08/27/1997 | EP0791834A2 Method of determining the resistance value of a resistive device |
| 08/27/1997 | EP0791823A2 Method and device for measuring at least one property of a substance |
| 08/26/1997 | US5661404 Circuit network measurement device and calibration method |
| 08/21/1997 | DE19705260A1 Detecting at least one characteristic of material by evaluating HF resonator tuning |
| 08/20/1997 | CN2260333Y High voltage bug dust specific resistance testing device |
| 08/19/1997 | US5659251 Electromagnetic inductive probe |
| 08/14/1997 | WO1997029385A1 Microscopic imaging of properties of room-temperature objects |
| 08/13/1997 | EP0789462A2 Method and apparatus for processing time domain cross-talk information |
| 08/12/1997 | US5657238 Resistance measuring circuit, and thermal apparatus including the measuring circuit |
| 08/12/1997 | US5656940 Apparatus for measuring the surface resistance and electrical resistivity of a homogeneous resistive material at high temperature |
| 08/07/1997 | WO1997028452A1 Method of calculating a resistance |
| 08/07/1997 | WO1997020219A3 Process for producing signals identifying faulty loops in a polyphase electrical power supply network |
| 08/07/1997 | DE19605013A1 Verfahren zur Bildung eines Resistanzwertes A method for forming a Resistanzwertes |
| 08/06/1997 | CN1156255A General inductive near detector |
| 08/05/1997 | US5655108 Pattern-evaluation aiding device and method for the same |
| 08/05/1997 | US5654643 Dielectric sensor apparatus |
| 07/31/1997 | WO1997027400A1 Measuring circuit for sensing ionisation within a cylinder of a combustion engine |
| 07/30/1997 | EP0689677A4 Apparatus and methods for measuring and detecting variations in the value of a capacitor |
| 07/24/1997 | WO1997026656A1 Electronic circuit |
| 07/24/1997 | WO1997026544A1 Method and device for measuring the return loss of a radiofrequent signal |
| 07/24/1997 | DE19601548A1 Digitales Ohmmeter Ohmmeter |
| 07/23/1997 | EP0784798A1 Moisture detection meter |
| 07/23/1997 | CN1155082A Passive-element testing circuit for printed circuit |
| 07/22/1997 | US5650570 Method for measuring stress of ferromagnetic metal member, method for measuring stress distribution in sheet-like sensor, and sheet-like sensor for measuring stress distribution |
| 07/17/1997 | WO1997025615A1 Method and apparatus for measuring an electrical parameter of a fluid |
| 07/17/1997 | DE19611174C1 Measuring sensor for aqueous solution conductivity using triple transformer principle |
| 07/16/1997 | EP0783702A1 Method and device for measuring impedance in alternating current networks and method and device for preventing the formation of separate networks |
| 07/15/1997 | US5648724 For detecting moisture in a roof |
| 07/09/1997 | EP0782692A1 Sensor arrangement and method of detecting measured values using said sensor arrangement |
| 07/08/1997 | US5646541 Apparatus and method for measuring circuit network |
| 07/08/1997 | US5646536 Method for calibrating circuit network measurement devices |
| 07/02/1997 | CN1153027A Apparatus for ascertaining complex dielectric constant of tobacco |
| 07/01/1997 | US5644221 Endpoint detection for chemical mechanical polishing using frequency or amplitude mode |
| 06/26/1997 | DE19548563A1 Resistance adjusting method |
| 06/24/1997 | US5642052 Hand-held tester for receptacle ground fault circuit interrupters |
| 06/24/1997 | US5642039 Handheld vector network analyzer |
| 06/24/1997 | US5641911 Method and apparatus for feedback-control of an asymmetric differential pressure transducer |
| 06/19/1997 | DE19546394A1 Electrical surface resistance measuring system |
| 06/18/1997 | EP0779517A2 Measuring device and method of determining an electric surface resistance |
| 06/18/1997 | EP0779497A2 Fingerprint acquisition sensor |
| 06/18/1997 | CN2256536Y Sensor for measuring liquid medium relative electricity parameter |
| 06/05/1997 | WO1997020220A1 Method and apparatus for determining electrical impedance |
| 06/05/1997 | WO1997020219A2 Process for producing signals identifying faulty loops in a polyphase electrical power supply network |
| 06/05/1997 | CA2238506A1 Process for producing signals identifying faulty loops in a polyphase electrical power supply network |
| 06/04/1997 | EP0776480A1 Capacitive measuring device with mosfet |
| 06/04/1997 | EP0776479A1 System for monitoring a dual voltage ungrounded system |
| 05/29/1997 | WO1997019360A1 Live circuit resistance measurement system and method |
| 05/29/1997 | WO1997014045A3 Electronic device |
| 05/28/1997 | DE19545267A1 Verfahren zum Gewinnen von fehlerbehaftete Schleifen in einem mehrphasigen elektrischen Energieversorgungsnetz kennzeichnenden Signalen A method for obtaining faulty loops characteristic in a multi-phase electrical energy supply network signals |
| 05/28/1997 | CN1150724A Apparatus for detecting output load |
| 05/27/1997 | US5633801 Pulse-based impedance measurement instrument |
| 05/27/1997 | US5633709 Propagation delay time measuring device |
| 05/27/1997 | US5633594 Differential type capacitive sensor system |
| 05/21/1997 | EP0774125A1 Method of and apparatus for determining a response characteristic |
| 05/21/1997 | CN1150249A Ground resistance tester controlled by computer |
| 05/21/1997 | CN1150248A On-line measuring method and apparatus for resistance, capacity and inductance |
| 05/20/1997 | US5631570 Protective grounding jumper cable tester and testing method |
| 05/20/1997 | US5631569 Impedance measurement in a high-voltage power system |
| 05/20/1997 | US5631553 High precision RF vector analysis system based on synchronous sampling |
| 05/20/1997 | US5631418 Electrically detected impedance detector for the measurement of physical quantities, in particular of temperature or humidity, and process for the manufacture of said detectors |
| 05/15/1997 | DE19644858A1 Energy storage protection system for car occupant |
| 05/14/1997 | CN2254193Y Insulation monitor |
| 05/13/1997 | US5629629 Circuit arrangement for determining differences in capacitance |
| 05/13/1997 | US5629628 Instrument and method for testing local area network cables |
| 05/13/1997 | US5629621 Apparatus and methods for obtaining increased sensitivity, selectivity and dynamic range in property measurement using magnetometers |
| 05/07/1997 | EP0772054A2 Method and device for testing an electric conductor arrangement |
| 05/07/1997 | CN1149134A Method for measuring capacity and current between earth and electric network |
| 05/06/1997 | US5627476 Milliohm impedance measurement |
| 05/06/1997 | US5627325 Capacitively coupled ohmic resistance position sensor |
| 05/01/1997 | WO1997015834A1 Arrangement for controlling a load connected to the secondary side of a transformer |
| 04/30/1997 | CN1148914A Capacitance-sensitive switch and switch array |
| 04/29/1997 | US5625667 Method of predicting voltages in telephone line measurement |
| 04/24/1997 | DE19539064A1 Anordnung zum Kontrollieren einer an einem Übertrager sekundärseitig angeschlossenen Last Arrangement for controlling a secondary side connected to a transformer load |
| 04/23/1997 | EP0727048A4 System interface fault isolator test set |
| 04/23/1997 | EP0653069B1 Moisture sensing method and apparatus |
| 04/17/1997 | WO1997014045A2 Electronic device |
| 04/16/1997 | EP0768537A1 Pulse-based impedance measurement instrument |
| 04/16/1997 | EP0767918A1 Shield integrity monitor |
| 04/15/1997 | US5621332 Device and method for identifying and quantifying layered substances |
| 04/15/1997 | US5621329 Automatic self-calibration system for digital teraohmmeter |
| 04/10/1997 | WO1997009590A3 Soil moisture or dielectric constant measuring system |
| 04/10/1997 | DE19537059A1 Conductivity cell for water-based solutions |
| 04/09/1997 | EP0767371A1 Process for determining specific material characteristics |
| 04/08/1997 | US5618992 Device and method for monitoring deposits in a pipe or vessel |
| 04/02/1997 | EP0766398A1 Capacitive switch |
| 04/01/1997 | US5617523 Waveform display apparatus for easily realizing high-definition waveform observation |