| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 06/03/2004 | WO2004028003A3 A system and method for monitoring harmonic content of an rf signal |
| 06/03/2004 | DE20301556U1 Differential high voltage converter, for e.g. personal computer-controlled network quality analyzer in electrical power supply, has two identical high-resistance resistors positioned in measurement cable |
| 06/03/2004 | DE19910801B4 Vorrichtung und Verfahren zur Strommessung Apparatus and method for measuring current |
| 06/01/2004 | US6744255 Grounding device for electric power distribution systems |
| 06/01/2004 | US6744250 Device for measuring the strength of a vector component of a magnetic field, current-measuring device and use of a field-effect transistor |
| 05/27/2004 | WO2004044597A2 Device and method for determining the absence of application of stresses on polyphase electrical transmission lines |
| 05/27/2004 | US20040102909 Channel isolation by switched grounds |
| 05/27/2004 | US20040101228 Fiber-optic current sensor |
| 05/27/2004 | US20040100249 Output termination auto detect circuit |
| 05/27/2004 | US20040100248 Constant input impedance AC coupling circuit for a current probe system |
| 05/27/2004 | DE10253018A1 Current measuring system for line protection switch has electromagnetic sensor and temperature sensor connected to switching lock moving switch contacts |
| 05/27/2004 | DE10252869A1 Voltage isolation test unit for multiple phase cables has sprung supported measurement electrodes in hinged semicircular ring clamped to insulation |
| 05/27/2004 | DE10037432B4 Verfahren zur Überwachung einer Kondensatordurchführung Method for monitoring a capacitor bushing |
| 05/26/2004 | EP1422531A1 Measurement channel isolation by switching between different grounds |
| 05/26/2004 | EP1421393A1 Production method for a sensor head of optical current sensors |
| 05/26/2004 | CN2618276Y High-voltage AC current transducer |
| 05/26/2004 | CN1499206A Connection method of electronic units and system |
| 05/26/2004 | CN1499205A Novel current sensing element and mfg. method |
| 05/21/2004 | WO2004042751A1 Plug-in unit assembly comprising instrument transformers |
| 05/21/2004 | WO2004042410A1 Device for measuring electric current intensity |
| 05/21/2004 | WO2004042070A2 Electrical detection of dna hybridization and specific binding events |
| 05/21/2004 | CA2484948A1 Electrical detection of dna hybridization and specific binding events |
| 05/20/2004 | US20040096699 Current-responsive resistive component |
| 05/20/2004 | US20040095581 Method and device for current measurement by means of fibre-optic in-line sagnac interferometer and phase modulator suitable for the above |
| 05/20/2004 | US20040095570 Method for the temperature-compensated, electro-optical measurement of an electrical voltage and device for carrying out the method |
| 05/20/2004 | US20040095126 Current sensor and overload current protective device comprising the same |
| 05/20/2004 | US20040095125 Current sensors |
| 05/20/2004 | US20040095124 Automatic multimeter |
| 05/19/2004 | EP1419395A1 Magnetic field sensor using microelectromechanical system |
| 05/19/2004 | CN1497622A Current transformer and current transformer system |
| 05/18/2004 | US6737978 Voltage testing apparatus for electrical railways |
| 05/18/2004 | US6737871 Non-invasive cable tester |
| 05/18/2004 | US6737869 Fault locator and selectivity sensor |
| 05/13/2004 | WO2004040239A1 Device for telemonitoring the state of aerial power lines (variants) |
| 05/13/2004 | US20040090220 Measuring circuit arrangement for electricity meters for direct connection |
| 05/13/2004 | DE202004003164U1 Messgerät Gauge |
| 05/12/2004 | CN2615672Y Hand-held graphic digital universal meter |
| 05/12/2004 | CN2615671Y Radio electromagnetic wave absorption and shield detecting box |
| 05/12/2004 | CN1495432A Equipment and method for measuring current |
| 05/12/2004 | CN1149172C Automatic monitoring system and method of high voltage signals |
| 05/11/2004 | US6734837 Variable color display system for comparing exhibited value with limit |
| 05/11/2004 | US6734698 Radio frequency oscillation detector |
| 05/11/2004 | US6734662 Microprocessor controlled fault indicator having led fault indication circuit with battery conservation mode |
| 05/11/2004 | US6734661 Current Sensor |
| 05/11/2004 | US6734660 Current sensor arrangement with test current generator |
| 05/11/2004 | US6734658 Wireless alternating current phasing voltmeter multimeter |
| 05/11/2004 | US6734657 Temperature-compensated fiber optic current sensor |
| 05/06/2004 | DE4341425B4 Verfahren zum Bestimmen des durch eine Last in einem Kfz fließenden Stroms A method for determining the current flowing through a load current in a motor vehicle |
| 05/05/2004 | CN1148582C Adjustable self-locating structure for counter of killowatt-hour meter and its adjusting fixture and method |
| 05/04/2004 | US6731193 Printed circuit board-based current sensor |
| 05/04/2004 | US6731115 Integrated gas-insulated switchgear with current transducer system |
| 05/04/2004 | US6731105 Current sensor with correction for transverse installation misalignment |
| 05/04/2004 | US6731102 Electronic test instrument with extended functions |
| 05/04/2004 | CA2126525C Signal processing circuit including a variable gain input stage |
| 04/29/2004 | US20040080308 Electric current detector with hall effect sensor |
| 04/29/2004 | US20040080307 Electrical current detector having a U-shaped current path and hall-effect device |
| 04/29/2004 | DE19845778B4 Verfahren zur Abbildung von Gleichströmen und Gleichstromwandler zur Durchführung des Verfahrens A method for imaging of direct currents and DC-DC converter for carrying out the method |
| 04/28/2004 | CN2613764Y Voltage sensor for measuring bus voltage of closed composite electric appliances |
| 04/28/2004 | CN1147732C Photoetric watt-hour meter |
| 04/27/2004 | US6727791 Capacitive voltage transformer |
| 04/27/2004 | US6727683 Hall-effect current detector |
| 04/27/2004 | US6727682 Apparatus and method for remote current sensing |
| 04/22/2004 | WO2004021021A3 Method and circuit arrangement for current measurement |
| 04/22/2004 | US20040076227 Operating element with settable selectivity |
| 04/22/2004 | US20040075454 Contact probe, method of manufacturing the contact probe, and device and method for inspection |
| 04/22/2004 | US20040075440 Device for the automatic control of joints in electrical high voltage lines |
| 04/21/2004 | EP1261880B1 Faraday-effect current sensor with improved vibration response |
| 04/21/2004 | EP1084417B1 Electric current sensor with wide passband |
| 04/21/2004 | CN2613037Y Electronic capacitor type voltage transformer |
| 04/21/2004 | CN1491361A Measuring circuit arrangement for electricity meters for direct connection |
| 04/21/2004 | CN1491360A Current sensor and overload current protective device comprising the same |
| 04/20/2004 | US6724179 Opto-electric device for measuring the root-mean-square value of an alternating current voltage |
| 04/15/2004 | DE10244889A1 Signal transmission device for digital information transfer or measuring has tunnel magnetoresistive elements forming a chain of individual elements |
| 04/14/2004 | CN2611908Y Current sensing component |
| 04/14/2004 | CN1488946A Full optical fiber current measuring method |
| 04/14/2004 | CN1145806C Meanetic sensor device, current sensor device and magnetic sensing element |
| 04/08/2004 | US20040066209 Integrated semiconductor circuit configuration |
| 04/08/2004 | DE10245551A1 Integrierte Halbleiterschaltungsanordnung Semiconductor integrated circuit device |
| 04/07/2004 | EP1406368A1 Multimeter with portable housing, rechargeable by induction |
| 04/07/2004 | EP1406094A1 Current sensor with orthogonal magnetisation |
| 04/07/2004 | CN1487663A Measurement for current change rate in switch reluctance motor |
| 04/07/2004 | CN1145255C Power transfering system |
| 04/07/2004 | CN1145063C Process for measuring periodically oscillating electricity or magnetic field intensity normalization of optical sensor |
| 04/06/2004 | US6717499 Transformer for gas insulated electric apparatus |
| 04/06/2004 | US6717412 Ignition signal pickup interface box |
| 04/06/2004 | US6717402 Probe having at least one magnetic resistive element for measuring leakage magnetic field |
| 04/06/2004 | US6717397 Current measurement device |
| 04/06/2004 | US6717396 Housing with retainer tab for positioning a current sensor magnetic field concentrating core |
| 04/06/2004 | US6717395 Current transformer based high voltage measurement apparatus |
| 04/06/2004 | US6717293 Electrical safety device |
| 04/01/2004 | WO2004028003A2 A system and method for monitoring harmonic content of an rf signal |
| 04/01/2004 | WO2004027436A1 Integrated current sensor |
| 04/01/2004 | WO2002067293A9 Microelectromechanical systems (mems) device including an analog or a digital |
| 04/01/2004 | US20040061506 Method for evaluating a measuring signal and corresponding circuit arrangement |
| 04/01/2004 | DE10244096A1 Spinning-Current-Hallsensor mit homogener Raumladungszone Spinning current Hall sensor with a homogeneous space charge zone |
| 03/31/2004 | CN1144054C Method and apparatus for optical detecting electric current using light signals that have different wavelengths |
| 03/30/2004 | US6714000 Method for monitoring power and current flow |
| 03/30/2004 | US6713999 Current sensor working in accordance with the compensation principle |
| 03/30/2004 | US6713998 Method for measuring the resistance and the inductance of a line |
| 03/25/2004 | US20040056647 Integrated current sensor |