Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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10/20/2009 | US7605580 Integrated hybrid current sensor |
10/20/2009 | US7605579 Measuring and controlling current consumption and output current of charge pumps |
10/15/2009 | WO2009126897A1 Orthogonal radio frequency voltage/current sensor with high dynamic range |
10/15/2009 | WO2009126824A1 Test and measurement device with a pistol-grip handle |
10/15/2009 | WO2009124833A1 Method and device for determining the effective electrical power of a plurality of user branches |
10/15/2009 | WO2009124798A1 Method and device for current measurement in phase lines |
10/15/2009 | WO2009004647A4 Clamp meter with safe trigger mechanism |
10/15/2009 | US20090256630 Method of power amplifier predistortion adaptation using compression detection |
10/15/2009 | DE202009010201U1 Einrichtung zur Identifikation der Kabelsadern Means for identification of the cable cores |
10/15/2009 | DE102008018642A1 Überwachungsschaltung und Verfahren zum Prüfen der Schaltung Monitoring circuit and method for testing the circuit |
10/15/2009 | DE102004029301B4 Diagnosevorrichtungen zur Verwendung in einer Steuereinheit für Kraftfahrzeuge und Verfahren zum Diagnostizieren eines Fehlers Diagnostic devices for use in a control unit for motor vehicles and method for diagnosing a fault |
10/15/2009 | CA2720996A1 Test and measurement device with a pistol-grip handle |
10/14/2009 | EP2108967A1 Method and device for calculating the electric active power of several consumer branch pipes |
10/14/2009 | EP2108965A1 Orthogonal radio frequency voltage/current sensor with high dynamic range |
10/14/2009 | EP2036099B1 Battery sensor unit and method for producing the battery sensor unit |
10/14/2009 | CN201327999Y Over-current protective device of direct current brush motor |
10/14/2009 | CN201327579Y Control device of soybean milk maker |
10/14/2009 | CN201327516Y Electrical current parameter test instrument with low electromagnetic noise |
10/14/2009 | CN201327507Y Electrified display |
10/14/2009 | CN201327506Y Gas appliance flame ion current detecting circuit |
10/14/2009 | CN201324442Y Human body static releasing alarm instrument |
10/14/2009 | CN101557097A Advertising words display and interlock control method and system |
10/14/2009 | CN101556465A Intelligent electrical controller |
10/14/2009 | CN101556311A Anode leak test implementation |
10/14/2009 | CN101556296A Two-stage alignment bias-removing transresistance amplifier with ultra-low noise and ultra-high precision |
10/14/2009 | CN101556295A Voltage linear isolation detection method and circuit |
10/14/2009 | CN101556259A Resuscitator for slurry potential test pole |
10/14/2009 | CN100549709C Gamma/delta transformer triangle winding circumfluence algorithm method and device |
10/14/2009 | CN100549703C Method of checking electrical contacts between power circuits of power circuit device and external node |
10/14/2009 | CN100549702C Power supply voltage and electric bridge voltage sample circuit structure |
10/14/2009 | CN100549701C Optical fibre electric current sensor sensitive coil winding equipment |
10/14/2009 | CN100549699C Single-phase electric energy mutual-inductor |
10/08/2009 | WO2009124292A2 Power management connection devices and related methods |
10/08/2009 | WO2009124230A2 Three-phase faulted circuit indicator |
10/08/2009 | WO2009123845A1 Programmable gain trans-impedance amplifier overload recovery circuit |
10/08/2009 | WO2009123181A1 Outage detection circuit and electric device |
10/08/2009 | WO2009122490A1 Power failure detection circuit and electrical equipment |
10/08/2009 | WO2009121814A1 Circuit arrangement for operating at least two electric loads of a household appliance and corresponding method |
10/08/2009 | US20090251308 Three-phase faulted circuit indicator |
10/08/2009 | US20090251157 Methods for measurement and characterization of interferometric modulators |
10/08/2009 | US20090251128 Method and System for Measuring the Zeta Potential Of the Cylinder's Outer Surface and the Inside Surface of the Tube |
10/08/2009 | US20090251127 Power Management Connection Devices And Related Methods |
10/08/2009 | US20090251103 Voltage detecting apparatus with voltage controlled oscillator and battery state control system |
10/08/2009 | DE102008001025A1 Verfahren und Vorrichtung zur Strommessung in Phasenleitungen Method and apparatus for measuring current in phase lines |
10/08/2009 | CA2720534A1 Power management connection devices and related methods |
10/08/2009 | CA2719516A1 Three-phase faulted circuit indicator |
10/07/2009 | EP2107382A1 Detection of the status of the elements of an electric branch comprising a load and a switch |
10/07/2009 | EP2107381A2 System and method for monitoring current in a conductor |
10/07/2009 | CN201323472Y 配电变压器监控装置 Distribution transformer monitoring device |
10/07/2009 | CN201322788Y Charging and monitoring circuit of storage battery |
10/07/2009 | CN201322771Y IGBT back-surging high voltage detecting circuit in electromagnetic oven |
10/07/2009 | CN201322770Y IO port detecting circuit |
10/07/2009 | CN201322769Y Electric current detecting device for electromagnetic oven |
10/07/2009 | CN201322768Y Novel current detector |
10/07/2009 | CN101551430A Method and apparatus for measuring capacitor leakage current |
10/07/2009 | CN101551417A Real time operation specification calculation system that provides specifications to a user interface |
10/07/2009 | CN101551416A System and method for monitoring current in a conductor |
10/07/2009 | CN100547875C Electricity network safety stable controlling system testing method |
10/07/2009 | CN100547872C Method for obtaining fault signal of distribution circuit |
10/07/2009 | CN100547421C Method for using neutral line distribution circuit fault signal and application thereof |
10/07/2009 | CN100547412C Detection circuit for detecting input voltage of transformer and detection method |
10/07/2009 | CN100547411C Wireless high-voltage electriferous display locking device and operating method thereof |
10/07/2009 | CN100547410C Power tube current detection circuit |
10/07/2009 | CN100547409C DC two-measurement range potential difference meter |
10/07/2009 | CN100547361C Flow measurement instrument |
10/06/2009 | US7599808 Application of multiple voltage droop detection and instruction throttling instances with customized thresholds across a semiconductor chip |
10/06/2009 | US7598776 Programming circuit with feedback circuit |
10/06/2009 | US7598748 Inverter system |
10/06/2009 | US7598720 Method and system for detecting the phase of wiring of an unknown phase voltage relative to a reference phase voltage |
10/06/2009 | CA2366641C Current monitoring system |
10/01/2009 | WO2009120765A1 Method and apparatus for analyzing waveform signals of a power system |
10/01/2009 | WO2009120537A1 Method and apparatus for measuring ac voltages |
10/01/2009 | WO2009118533A1 Current measurement apparatus with shunt resistor and heat sink |
10/01/2009 | US20090248332 Maximizing Battery Life |
10/01/2009 | US20090243621 Assembled Battery Total Voltage Detection Circuit |
10/01/2009 | US20090243590 System and method for monitoring current in a conductor |
10/01/2009 | US20090243588 Semiconductor device |
10/01/2009 | US20090243587 Method and apparatus for measuring AC voltages |
10/01/2009 | US20090243584 Fabrication of microstructures integrated with nanopillars along with their applications as electrodes in sensors |
10/01/2009 | US20090243583 Compact line illuminator for locating buried pipes and cables |
10/01/2009 | US20090243028 Capacitive isolation circuitry with improved common mode detector |
10/01/2009 | DE202009010265U1 Zangenstrommesser für die Messung des Stromverbrauchs von elektrischen Geräten Current probe for measuring the power consumption of electrical equipment |
10/01/2009 | DE102008016585A1 Schutzvorrichtung Guard |
10/01/2009 | DE102008016475A1 Schaltungsanordnung zum Betreiben von mindestens zwei elektrischen Verbrauchern eines Hausgeräts sowie entsprechendes Verfahren Circuit arrangement for operating at least two electrical loads a household appliance and corresponding method |
10/01/2009 | DE102008015841A1 Elektronisches Kraftfahrzeugregelungssystem mit Strommessschaltung Electronic motor vehicle control system with current measuring circuit |
10/01/2009 | CA2719265A1 Method and apparatus for measuring ac voltages |
10/01/2009 | CA2719236A1 Current measurement apparatus with shunt resistor and heat sink |
10/01/2009 | CA2660173A1 System and method for monitoring current in a conductor |
09/30/2009 | EP2104858A2 System and method to measure series-connected cell voltages and verify measurement accuracy |
09/30/2009 | CN201319043Y High speed tester for high static voltage |
09/30/2009 | CN201319042Y Sensor for detecting state indicating voltage of railway turnout |
09/30/2009 | CN101546483A System and method for fault diagnosis of traffic signal controller |
09/30/2009 | CN101545957A Gate-structure magnetoelectric magnetic filed sensor and manufacturing method thereof |
09/30/2009 | CN101545945A Method for testing leakage current of MOS device |
09/30/2009 | CN101545936A Power supply testing device for USB connection socket |
09/30/2009 | CN101545935A Method for realizing analysis of electrical performance indexes in embedded type system |
09/29/2009 | US7595792 Measuring apparatus with value editor and corresponding method |
09/24/2009 | WO2009117263A1 Electrical tester setup and calibration device |
09/24/2009 | WO2009115483A1 Method and device for operating a circuit arrangement |
09/24/2009 | WO2009072076A3 Current sensing on a mosfet |