| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 08/22/2002 | WO2001048492A9 Minimizing windowing effects in particular for signal recovery |
| 08/22/2002 | WO2000026679A9 Low cost electrical circuit breaker locater with passive transmitter and receiver |
| 08/22/2002 | DE10110168C1 Vorrichtung und Verfahren zur Spitzenzeiterfassung Apparatus and method for detecting peak time |
| 08/22/2002 | CA2405317A1 Power metering module |
| 08/21/2002 | CN1089438C Measuring process for measuring chargeable electrical consumption from an electrical network and electronic electricity meter |
| 08/20/2002 | US6437630 RMS-DC converter having gain stages with variable weighting coefficients |
| 08/20/2002 | US6437606 Method of anomalous offset detection and a corresponding circuit |
| 08/20/2002 | US6437575 Low-voltage detecting circuit |
| 08/20/2002 | US6437541 Battery state monitoring circuit and battery device |
| 08/20/2002 | US6437538 Battery voltage measurement apparatus |
| 08/20/2002 | CA2250564C Current flow monitor for heating cables |
| 08/20/2002 | CA2133863C Dc current sensor |
| 08/15/2002 | WO2002063317A1 Method for the temperature-compensated, electro-optical measurement of an electrical voltage and device for carrying out the method |
| 08/15/2002 | WO2002029514A3 Web bridged energy management system and method |
| 08/15/2002 | US20020109532 Comparator circuit |
| 08/15/2002 | US20020109499 Power metering module |
| 08/15/2002 | US20020109496 Streaming architecture for waveform processing |
| 08/14/2002 | EP1230556A1 Detector for high intensity electrical currents |
| 08/14/2002 | EP1230555A1 Arrangement for measuring the root mean square of a power frequency voltage across a large dynamic range, especially for measuring electrical output |
| 08/14/2002 | EP0877946B1 Method of detecting an abrupt variation in an electrical alternating quantity |
| 08/14/2002 | DE10103481A1 Quasi-Peak-Detektor Quasi-peak detector |
| 08/14/2002 | CN2504919Y High-voltage induction alarm type safety helmet |
| 08/14/2002 | CN1363971A Power line regulator with monitoring voltage and current amplitudes |
| 08/13/2002 | US6433981 Modular current sensor and power source |
| 08/13/2002 | US6433698 Fault indicator providing light indication on fault detection |
| 08/13/2002 | US6433553 Method and apparatus for eliminating displacement current from current measurements in a plasma processing system |
| 08/13/2002 | US6433552 Floating plate voltage monitor |
| 08/13/2002 | US6433530 Hand held circuit and polarity tester |
| 08/13/2002 | US6431749 Method and device to measure the temperature of microwave components |
| 08/08/2002 | US20020107654 Apparatus for testing semiconductor integrated circuit |
| 08/08/2002 | US20020105818 Power conversion device with power source voltage drop detection unit |
| 08/08/2002 | US20020105520 Control variables |
| 08/08/2002 | US20020105318 High voltage detector |
| 08/08/2002 | US20020105308 Power supply noise sensor |
| 08/08/2002 | DE10163497A1 Polarisierungsverfahren für ein piezoelektrisches Element A method for polarizing a piezoelectric element |
| 08/07/2002 | EP1229337A1 Procedure for temperaturecompensated electro-optic measuring of a voltage |
| 08/07/2002 | CN2504789Y 低频电磁辐射消除器 Low-frequency electromagnetic radiation eliminator |
| 08/07/2002 | CN1362748A Piezoelectric element polarization method |
| 08/06/2002 | US6430518 Method and apparatus for monitoring performance of multiple electrical loads from a single source |
| 08/06/2002 | US6429720 RMS-DC converter using a variable gain amplifier to drive a squaring cell |
| 08/06/2002 | US6429696 Peak hold and calibration circuit |
| 08/06/2002 | US6429667 Electrically testable process window monitor for lithographic processing |
| 08/06/2002 | US6429648 Current detecting device and current detecting method |
| 08/06/2002 | US6429641 Power booster and current measuring unit |
| 08/06/2002 | US6429638 N-diode peak detector |
| 08/01/2002 | WO2002059632A1 Interleave ad conversion system waveform digitizer device, and test device |
| 08/01/2002 | WO2002027333A3 Transformer current sensor |
| 08/01/2002 | WO2002003086A3 Cell voltage monitor for a fuel cell stack |
| 08/01/2002 | WO2001031718A9 Shunt resistance device for monitoring battery state of charge |
| 08/01/2002 | US20020103627 RMS-to-DC converter with fault detection and recovery |
| 08/01/2002 | US20020101740 Power supply voltage detection circuit and power supply voltage detection method |
| 08/01/2002 | US20020101263 Power supply voltage detection circuit |
| 08/01/2002 | US20020101228 Method and apparatus for determining the energy of a signal |
| 08/01/2002 | US20020101227 Dc terminal polarity tester |
| 08/01/2002 | DE10201973A1 Thermographieverfahren und Vorrichtung zur Überprüfung elektrischer Leitungen Thermography method and apparatus for checking electrical lines |
| 08/01/2002 | DE10157006A1 Hochgeschwindigkeitssignalfenstererfassung High-speed signal acquisition window |
| 08/01/2002 | DE10139810A1 Sensor zur Überwachung elektronischer Zündkreise Sensor for monitoring electronic ignition circuits |
| 08/01/2002 | DE10135924A1 Amplitudendetektierverfahren und Schaltung Amplitudendetektierverfahren and circuit |
| 08/01/2002 | DE10102344A1 Verfahren zur Messung des Stromes in Halbbrücken A method for measuring the current in the half-bridges |
| 07/31/2002 | EP1227330A1 Power-supply voltage detection circuit and power-supply voltage detection method |
| 07/31/2002 | CN2503661Y Multifunction three-phase A.C. motor |
| 07/31/2002 | CN1361867A Electron density measurement and control system using plasma-induced changes in the frequency of a microwave oscillator |
| 07/31/2002 | CN1361866A AC current detection device |
| 07/25/2002 | WO2002037653A3 A method and apparatus for automatically detecting and managing an ac power fault |
| 07/25/2002 | US20020097243 Processing web for data processing in a digital oscilloscope or similar instrument |
| 07/25/2002 | DE10101971A1 An electronic state storage device for monitoring the availability of power supply voltages from an electrical system for monitoring the power supply to motor vehicle safety critical devices, while the engine is not running |
| 07/25/2002 | DE10101513A1 Determining magnitude of sinusoidal mains voltage input to circuit from variation with time of secondary side alternating voltage and frequency |
| 07/24/2002 | EP1225671A1 Control device for the correct installation of an electrical mains connector |
| 07/24/2002 | EP1225452A2 Current measuring procedure for half-bridges |
| 07/24/2002 | EP1224684A1 Method and apparatus for eliminating displacement current from current measurements in a plasma processing system |
| 07/24/2002 | EP1224478A1 Highly configurable capacitive transducer interface circuit |
| 07/24/2002 | CN2502279Y Hand-held power frequency current tester |
| 07/24/2002 | CN2502278Y Power frequency current monitor |
| 07/24/2002 | CN2502277Y Intelligent digital multimeter |
| 07/24/2002 | CN1360212A Hung indicator for low-current grounding failure of single-phase transmission line |
| 07/23/2002 | US6424927 Computer-based real-time transient pulse monitoring system and method |
| 07/23/2002 | US6424139 Voltage detection stick |
| 07/23/2002 | US6424136 Current indicator for fault assessments of loop circuit integrity while providing circuit isolation |
| 07/18/2002 | WO2002056441A1 Method, system and regulating unit for controlling and monitoring electrical equipment |
| 07/18/2002 | WO2002056032A2 Device, ammeter and motor vehicle |
| 07/18/2002 | DE10112304C1 Measured value detection and processing unit for small measuring signals uses digital signal processor for compensation of detected background noise |
| 07/18/2002 | DE10100597A1 Vorrichtung, Strommesser und Kraftfahrzeug Device, ammeter and motor vehicle |
| 07/17/2002 | CN2501058Y Dual-purpose pen for writing and testing electricity |
| 07/17/2002 | CN2501057Y 检电笔 Inspection electric pen |
| 07/17/2002 | CN1359008A Current detector and control method |
| 07/11/2002 | WO2002054087A1 Method and appliances for analog processing of a signal emitted by a particle detector |
| 07/11/2002 | US20020089334 Power line conditioner with voltage and current amplitude tracking |
| 07/11/2002 | US20020089314 System and method for detection of zero current condition |
| 07/11/2002 | US20020089308 Battery state monitoring circuit and battery device |
| 07/10/2002 | EP1221621A1 Voltage measuring apparatus |
| 07/10/2002 | EP1221056A1 Sensor for detecting high-frequency oscillations of a voltage and an arrangement of a sensor |
| 07/10/2002 | CN2499842Y Simple current detection controller |
| 07/10/2002 | CN2499841Y Double tube double colour test pen |
| 07/10/2002 | CN1357764A Numerical integration type electronic current converter |
| 07/09/2002 | US6418391 Testing system for performing an operation of an application which controls testing equipment for testing a device under test and method for controlling the same |
| 07/09/2002 | US6417670 Accurate battery current measurement system for a battery care unit |
| 07/04/2002 | WO2002052284A2 Electrical quantity sensor |
| 07/03/2002 | EP1219966A2 Apparatus for measuring small voltage signals |
| 07/03/2002 | EP1218763A1 Electron density measurement and control system using plasma-induced changes in the frequency of a microwave oscillator |
| 07/03/2002 | EP1218760A1 Measurement of current in a vehicle using battery cable as a shunt |