| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 07/26/2007 | US20070170909 Power over ethernet controller integrated circuit architecture |
| 07/26/2007 | US20070170908 Distinguishing False Signals in Cable Locating |
| 07/26/2007 | DE112005001957T5 Differenzkomparatorschaltung, Prüfkopf und Prüfvorrichtung Differential comparator circuit, probe and Tester |
| 07/25/2007 | EP1810041A1 Battery sensor device |
| 07/25/2007 | CN2927205Y 100-250A redundant current fire-disaster alarming device |
| 07/25/2007 | CN2927204Y 80A redundant current fire disaster alarming device |
| 07/25/2007 | CN2927065Y High-pressure electric display locker of three-phase controlled inductive |
| 07/25/2007 | CN2927059Y High-pressure gauging box |
| 07/25/2007 | CN1328835C Improved digital protection and control device |
| 07/25/2007 | CN1328586C Electric energy quality monitoring, recording and analyzing system |
| 07/25/2007 | CN101006348A Power quality monitory |
| 07/25/2007 | CN101005207A Output voltage state indicator for power source chip |
| 07/25/2007 | CN101004430A Analog level meter and method of measuring analog signal level |
| 07/24/2007 | US7248978 System and method for routing power management data via XML firewall |
| 07/24/2007 | US7248977 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems |
| 07/24/2007 | US7248066 On-chip analysis and computation of transition behavior of embedded nets in integrated circuits |
| 07/24/2007 | US7248063 Plasma probe systems |
| 07/24/2007 | US7248056 Three-phase electrical receptacle tester |
| 07/24/2007 | US7248034 Time limit function utilization apparatus |
| 07/24/2007 | US7248033 Vector network analyzer with independently tuned receivers characterizes frequency translation devices |
| 07/20/2007 | CA2572670A1 Method and apparatus for measurement of ac voltages in an hvac system |
| 07/19/2007 | WO2007080968A1 Voltage detection device and voltage detection method |
| 07/19/2007 | WO2007080967A1 Voltage detection device and voltage detection method |
| 07/19/2007 | WO2007080004A1 Method and device for measuring current |
| 07/19/2007 | US20070168162 Correlating Power Signatures with Automated Equipment |
| 07/19/2007 | US20070164778 Method and system for detecting a mode of operation of an integrated circuit, and a memory device including same |
| 07/19/2007 | US20070164724 Current sensor with reduced sensitivity to parasitic magnetic fields |
| 07/19/2007 | US20070164723 Variable capacitance circuit, voltage measuring apparatus, and power measuring apparatus |
| 07/19/2007 | DE10392974B4 Sensoranordnung für die Strom- und Temperaturverteilung vor Ort für eine Brennstoffzelle Sensor array for the current and temperature distribution site for a fuel cell |
| 07/19/2007 | DE102007001847A1 Stromsensor und Verfahren zum Montieren desselben The same current sensor and method for mounting |
| 07/19/2007 | DE102006001874A1 Verfahren und Vorrichtung zur Strom- und Temperaturmessung in einer leistungselektronischen Schaltung Method and apparatus for current and temperature measurement in a power electronic circuit |
| 07/19/2007 | DE102006001303B3 Waveform generator, has sample generator units correlated with one another by controller so that spectrum of summed signal with range of determinable harmonics opposite to Josephson waveform generator, is generated |
| 07/19/2007 | DE102005027446B4 Treiber- und Empfängerschaltung Schaltung und Verfahren zur Überwachung einer an eine Treiber- und Empfängerschaltung angeschlossenen Leitungsverbindung Driver and receiver circuit and method for monitoring a circuit connected to a driver and receiver circuit line connection |
| 07/18/2007 | EP1808947A2 Isolated operation detecting method, control apparatus for detecting isolated operation for distributed power supply, isolated operation detecting apparatus, and distributed power supply |
| 07/18/2007 | EP1807708A1 Battery current sensor for a motor vehicle |
| 07/18/2007 | CN2924544Y High voltage hot-line display device |
| 07/18/2007 | CN2924543Y Pre-amplification circuit |
| 07/18/2007 | CN2924542Y Three-phase three-wire system line voltage detecting circuit |
| 07/18/2007 | CN2924541Y Multi-serial high-power battery overcurrent protection value detecting device |
| 07/18/2007 | CN2924350Y Circuit capable of automatically prompting at cell electricity insufficiency for gas appliance |
| 07/18/2007 | CN1327232C Passive indicator of voltage presence |
| 07/18/2007 | CN101001436A 马达电流测试方法 Motor current testing methods |
| 07/17/2007 | US7246016 Circuits and methods for current measurements referred to a precision impedance |
| 07/17/2007 | US7245116 Power supply device and switching power supply device |
| 07/17/2007 | CA2178757C Visual power on indicator |
| 07/12/2007 | WO2007077653A1 Method of measuring critical electric current value of superconducting wire |
| 07/12/2007 | WO2007029149A3 Phase detector system |
| 07/12/2007 | US20070159227 Power disturbance detection circuit and method |
| 07/12/2007 | DE202007003033U1 Vorrichtung für die Messung des Stromes einer Entladungslampe Apparatus for the measurement of the current of a discharge lamp |
| 07/12/2007 | CA2616545A1 Method of measuring critical electric current value of superconducting wire |
| 07/11/2007 | CN2921848Y Logic electric level/digital frequency test pen |
| 07/11/2007 | CN2921843Y Indoor high voltage live line display device |
| 07/11/2007 | CN2921842Y Vehicle blade fuse current test switching device |
| 07/11/2007 | CN2921841Y Soft starter detection circuit |
| 07/11/2007 | CN1996026A Discharge lamp drive device and voltage detection circuit using same |
| 07/11/2007 | CN1996025A Power supply level detector |
| 07/11/2007 | CN1996024A System for improving signal to noise ratio of cryogenic current comparator and method thereof |
| 07/10/2007 | US7242629 High speed latch circuits using gated diodes |
| 07/10/2007 | US7242244 Method and arrangement for testing a power output stage |
| 07/10/2007 | US7242177 Method and circuit arrangement for current measurement |
| 07/10/2007 | US7242174 Digital sensing circuit |
| 07/10/2007 | US7242173 Combined test instrument probe and voltage detector |
| 07/05/2007 | US20070156366 Graphical User Interface for Easily Configuring Measurement Applications |
| 07/05/2007 | US20070152651 Alternating current detection coil |
| 07/05/2007 | US20070152650 Digital sensing circuit |
| 07/05/2007 | DE69836407T2 Anordnung zur Überprüfung der Signalspannungspegelgenauigkeit in einer digitalen Testeinrichtung Arrangement for checking the signal voltage level accuracy in a digital test equipment |
| 07/05/2007 | DE102005063045A1 Entladezustandsanzeige A discharge |
| 07/05/2007 | DE102005062759A1 Verfahren und Vorrichtung zur Strommessung Method and apparatus for current measurement |
| 07/05/2007 | DE102005062728A1 Verfahren und Anordnung zur Bestimmung der Stromdichtenverteilung in einem Elektrolytbad Method and arrangement for determining the current density distribution in an electrolytic bath |
| 07/04/2007 | EP1802983A2 High voltage level shifting by capacitive coupling |
| 07/04/2007 | CN2919691Y Micro-electronic relay of railway signal switching turnout |
| 07/04/2007 | CN2919366Y Handwriting pen with function of test pencil |
| 07/04/2007 | CN2919263Y AC high-voltage electroscope of monitoring and displaying self-tested failure of full loop industrial frequency sine wave |
| 07/04/2007 | CN2919262Y flexible caller displaying device |
| 07/04/2007 | CN2919261Y AC current and voltage measuring circuit adopting AC sampling |
| 07/04/2007 | CN2918447Y Solar energy supplying testing pile used in anode sacrificing and cathode protection system |
| 07/04/2007 | CN1993623A 检测器 Detector |
| 07/04/2007 | CN1991949A Light emitting device |
| 07/04/2007 | CN1991396A Voltage detection means |
| 07/04/2007 | CN1991395A Method for monitoring resistant current in leakage current of an arrester |
| 07/04/2007 | CN1324320C Multi-pack d.c signal conversion digital signal device |
| 07/03/2007 | US7239124 Current measurement technique and current measurement apparatus |
| 07/03/2007 | US7239123 Multiplexed dual-purpose magnetoresistive sensor and method of measuring current and temperature |
| 07/03/2007 | US7238265 Electroplating apparatus with functions of voltage detection and flow rectification |
| 06/28/2007 | WO2007045645A3 Method for measuring a motor current |
| 06/28/2007 | WO2006107444A3 Method of monitoring a power distribution unit |
| 06/28/2007 | WO2005086722A3 Optical current sensor with flux concentrator and method of attachment for non-circular conductors |
| 06/28/2007 | US20070150217 Low-voltage detection device and low-voltage detection method |
| 06/28/2007 | US20070145967 Recording medium detecting system |
| 06/28/2007 | DE112005001161T5 Oszillationserfassungsvorrichtung und Prüfvorrichtung Oszillationserfassungsvorrichtung and Tester |
| 06/28/2007 | DE102005059561A1 Niederohmiger Koaxialwiderstand zur Strommessung Low impedance Koaxialwiderstand for current measurement |
| 06/27/2007 | EP1799516A1 Sensor interface with integrated current measurement |
| 06/27/2007 | EP1274991B1 Current measuring apparatus for battery |
| 06/27/2007 | CN2916643Y Display for high-voltage charged display apparatus |
| 06/27/2007 | CN2916642Y AC line voltage measuring system for switch-type fly-back power supply |
| 06/27/2007 | CN1989414A Failsafe for differential circuit based on current sense scheme |
| 06/27/2007 | CN1988106A Langmuir probe plasma diagnostic method based on virtual instrument |
| 06/27/2007 | CN1987500A On-line monitoring system method for overhead line by potential method |
| 06/27/2007 | CN1987496A Device for controlling power earthing/under voltage warning and its control method |
| 06/27/2007 | CN1987491A Electric power monitor for single phase AC electric device inspection and repair |