| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 01/11/2007 | US20070007904 Current detector circuit |
| 01/11/2007 | DE202006014998U1 Dreiphasige Schaltungsanordnung Three-phase circuitry |
| 01/11/2007 | DE102005032227A1 Closed current measuring system e.g. for motor vehicles, has electronic current measuring circuit built into vehicle at assembly-line and circuit arranged in or bonded and connects negative pole to automotive battery |
| 01/11/2007 | CA2613440A1 Automated precision alignment of data in a utility monitoring system |
| 01/10/2007 | EP1678512B1 Method and device for measuring radio interference levels with frequency tracking |
| 01/10/2007 | CN2857294Y Overcurrent protector |
| 01/10/2007 | CN2857029Y String lights group with safety warning |
| 01/10/2007 | CN2857028Y Triggering monitor |
| 01/10/2007 | CN2857027Y Cathode protective remote sensing testing pile of buried duct |
| 01/10/2007 | CN2857026Y Double frequency channel current pliers |
| 01/10/2007 | CN1893465A Hand-held tester and method for local area network cabling |
| 01/10/2007 | CN1892239A Measurement method using solar simulator |
| 01/10/2007 | CN1892233A Optical-coupling amplifying type electronic test pencil |
| 01/10/2007 | CN1294419C Analogue signal measuring device and method |
| 01/09/2007 | US7162387 Measurement system graphical user interface for easily configuring measurement applications |
| 01/09/2007 | US7162380 Device and method for voltage regulator with low standby current |
| 01/09/2007 | US7161817 Current/charge-voltage converter and reset method |
| 01/09/2007 | US7161455 Method and arrangement for securing sensors in an electricity meter |
| 01/09/2007 | US7161418 Amplifier arrangement and method for calibrating an amplifier arrangement |
| 01/09/2007 | US7161392 Comparator feedback peak detector |
| 01/09/2007 | US7161343 Wall stud locator and marker |
| 01/09/2007 | CA2382358C Digital quasi-rms detector |
| 01/04/2007 | WO2007002853A2 High speed ramp generator |
| 01/04/2007 | WO2005114533A3 Pade' approximant based compensation for integrated sensor modules and the like |
| 01/04/2007 | WO2005050828A3 Inductor-based current sensing |
| 01/04/2007 | DE10350596B4 Komparator und auf dem Komparator basierender Analog-Digital-Wandler Comparator and the comparator-based analog-to-digital converter |
| 01/04/2007 | DE10325769B4 Anordnung und Verfahren zum Abgleich einer kalibrierbaren Stromquelle Apparatus and method for calibrating a calibrated current source |
| 01/04/2007 | DE102006021774A1 Stromsensor zur galvanisch getrennten Strommessung Current sensor for galvanically isolated current measurement |
| 01/04/2007 | DE102005036202B3 Battery charging voltage monitor has isolated control and monitoring using optoelectronic coupling |
| 01/04/2007 | DE102005030634A1 Schaltungsanordnung zur Ermittlung von Nulldurchgängen einer Wechselspannung Circuit arrangement for detecting zero crossings of an alternating voltage |
| 01/04/2007 | DE102005029890A1 Motor vehicle battery check, e.g. for a hybrid vehicle, uses a mathematical model to evaluate measured voltage with other parameters to determine the charging and ageing conditions |
| 01/04/2007 | DE102005029153A1 Vefahren zum Test eines Supraleiters unter erhöhter Stromauslastung in einem aktiv abgeschirmten supraleitenden NMR-Serienmagneten Vefahren to test a superconductor under increased current capacity utilization in an actively shielded superconducting NMR magnet series |
| 01/04/2007 | DE102005029096A1 Batteriezustandserkennung für Kfz-Akkumulatoren Battery state detection for automotive batteries |
| 01/04/2007 | DE102005028881A1 Fehlerstromanalysator zur Erfassung eines Fehlerstroms und Einrichtung mit Fehlerstromerfassungsfunktion Fehlerstromanalysator for detecting a fault current and fault current detection device with function |
| 01/04/2007 | DE102005028605A1 Method of measuring current with a shunt such as for measuring a phase current in a star configuration alternating current machine especially for vehicles |
| 01/04/2007 | DE102004011458B4 Schaltungsanordnung zur Bereitstellung einer geregelten Betriebsspannung für einen Datenträger und Verfahren zur Ansteuerung eines NMOS-Längsregeltransistors Circuit arrangement for providing a regulated operating voltage for a disk and method for driving an NMOS series regulating transistor |
| 01/03/2007 | EP1738186A1 Detector of differential threshold voltage |
| 01/03/2007 | EP1738184A1 Power quality monitoring |
| 01/03/2007 | CN2854618Y Remote testing equipment for high voltage transmission line strucked by lightning |
| 01/03/2007 | CN2854614Y Charge displaying device |
| 01/03/2007 | CN2854613Y Multifunction electric measuring instrument |
| 01/03/2007 | CN2854612Y Anti-theft alarm device for intermediate-frequency power supply II pole guy wire |
| 01/03/2007 | CN2854605Y Built-in mounted three-phase current watt-hour meter |
| 01/02/2007 | US7157947 Power supplies noise detector for integrated circuits |
| 01/02/2007 | US7157946 Chopper comparator circuit |
| 01/02/2007 | US7157944 Differential signal detector methods and apparatus |
| 01/02/2007 | US7157924 Method and apparatus for on-die voltage fluctuation detection |
| 01/02/2007 | US7157896 Device for locating and identifying circuit breakers |
| 12/28/2006 | US20060292708 Circuit arrangement, redox recycling sensor, sensor assembly and a method for processing a current signal provided by a sensor electrode |
| 12/28/2006 | US20060290454 Measuring device for measuring differential current, trip module comprising one such measuring device and switchgear unit having one such module |
| 12/28/2006 | US20060290339 Measuring a capacitive property of a communication line |
| 12/28/2006 | US20060290338 Device for determining constant of rotating machine |
| 12/28/2006 | DE202006012437U1 Three phase current galvanising drum drive current monitor measures and compares phase currents with processor generating disturbance status indication |
| 12/28/2006 | DE102005029813A1 Circuit arrangement for measuring an electrical voltage in an electrical machine comprises a voltage supply for preparing a distribution voltage for an amplifier |
| 12/28/2006 | DE102005028572A1 Fold magnetic core for hall sensor arrangement, has air gap bridged by yoke bodies overlapping with side pieces, where specific distance exhibits between bodies and pieces, and space provided between fold positions |
| 12/28/2006 | DE102005027446A1 Treiber- und Empfängerschaltung Schaltung und Verfahren zur Überwachung einer an eine Treiber- und Empfängerschaltung angschlossenen Leitungsverbindung Driver and receiver circuit and method for monitoring a circuit all attached to a driver and receiver circuit line connection |
| 12/27/2006 | EP1736785A1 Battery voltage monitoring |
| 12/27/2006 | EP1736784A1 Differential current measuring apparatus, tripping device and switchgear |
| 12/27/2006 | EP1642142B8 Method and circuit arrangement for the self-testing of a reference voltage in electronic components |
| 12/27/2006 | EP1340092B1 Current sensor |
| 12/27/2006 | CN2852141Y Apparatus for monitoring power supply provider output |
| 12/27/2006 | CN1886666A Portable electric testing equipment |
| 12/27/2006 | CN1885700A Intelligent type power supply and its method |
| 12/27/2006 | CN1885055A Battery check device |
| 12/27/2006 | CN1885044A Differential current measuring apparatus, tripping device and switchgear |
| 12/27/2006 | CN1884918A Gas appliance circuit capable of automatically prompting when power shortage |
| 12/26/2006 | US7154329 Method and apparatus for compensating amplifier output for temperature and process variations |
| 12/26/2006 | US7154281 Apparatus and method for determining the status of an electric power cable |
| 12/26/2006 | US7154255 Consumable product and device for identifying the same |
| 12/21/2006 | WO2006134678A1 System and method for detecting leak current |
| 12/21/2006 | WO2006045022A3 High voltage level shifting by capacitive coupling |
| 12/21/2006 | US20060284610 Method of and apparatus for determining if a buried current carrying conductor is buried above predetermined minimum depth |
| 12/20/2006 | EP1733243A2 Power line sensors and systems incorporating same |
| 12/20/2006 | CN2849736Y System for detecting large grounding network of power plant and transformer substation |
| 12/20/2006 | CN2849730Y Small signal measurer |
| 12/20/2006 | CN1880967A Apparatus and method for detecting voltage of assembled battery |
| 12/20/2006 | CN1880966A Wireless electromagnetic induction system and method for indicating battery level |
| 12/20/2006 | CN1880962A Compensation coil device for high temperature superconductive magnet test |
| 12/20/2006 | CN1880237A Service initiation and regeneration control using impedance ratios |
| 12/20/2006 | CA2510273A1 Method and system for three-phase voltage detection and protection |
| 12/19/2006 | US7151655 Electrostatic discharge (ESD) detector |
| 12/14/2006 | WO2006132629A1 Low power voltage detection circuit and method therefor |
| 12/14/2006 | WO2005017669A3 Sampling circuit apparatus and method |
| 12/14/2006 | US20060282725 Electronic switching circuit, switching circuit test arrangement and method for determining the operativiness of an electronic switching circuit |
| 12/14/2006 | US20060279273 Measuring method for electromagnetic field intensity and apparatus therefor, measuring method for electromagnetic field intensity distribution and apparatus therefor, measuring method for current and voltage distributions and apparatus therefor |
| 12/14/2006 | DE112005000275T5 Messgerät, Verfahren, Programm und Speichermedium Instrument, method, program, and storage medium |
| 12/14/2006 | DE10246111B4 Vorrichtung und Verfahren zur Diagnose eines Schwingkreises Apparatus and method for diagnosing a resonant circuit |
| 12/14/2006 | DE102005026866A1 Battery charging monitoring method e.g. for motor vehicle, involves measuring brief battery voltage drop when starting of engine of motor vehicle with lowest voltage level recorded and transmitted to controller |
| 12/13/2006 | CN2847307Y Potential difference meter of improved 3V work power |
| 12/13/2006 | CN2847306Y Indirect inductive current sensor |
| 12/13/2006 | CN2847305Y Vertical modulation type surface potentiometer sensor |
| 12/13/2006 | CN1879026A Ionization test for electrical verification |
| 12/13/2006 | CN1877346A Indoor high-voltage charge display device |
| 12/13/2006 | CN1877345A Traction battery voltage monitoring and alarming system |
| 12/13/2006 | CN1876256A Battery screening system and method |
| 12/13/2006 | CN1290261C Overcurrent detection and protection apparatus for switching element |
| 12/12/2006 | US7148705 Charging voltage measuring device for substrate and ion beam irradiating device |
| 12/12/2006 | US7148703 Auto-deep scan for capacitive sensing |
| 12/12/2006 | US7148674 Apparatus for automatically measuring a relatively wide range of leakage currents |
| 12/07/2006 | WO2006128399A1 Apparatus for detecting and processing a multiplicity of measured values in an hvdct system |