| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 07/03/2002 | EP1218759A1 Device for measuring current comprising differential sensors which are sensitive to magnetic fields and which are comprised of at least two hall sensors |
| 07/03/2002 | EP1218758A1 Automatic monitoring of high voltage signals |
| 07/03/2002 | EP1127279A4 Low cost electrical circuit breaker locater with passive transmitter and receiver |
| 07/02/2002 | US6415244 Power monitoring system and method |
| 07/02/2002 | US6414520 Universal CMOS single input, low swing sense amplifier without reference voltage |
| 07/02/2002 | US6414476 Current detecting device, impedance measuring instrument and power measuring instrument |
| 07/02/2002 | US6414318 Electronic circuit |
| 06/27/2002 | WO2002014878A3 Discrete lowest current measurement |
| 06/27/2002 | US20020079933 Detector of range of supply voltage in an integrated circuit |
| 06/27/2002 | US20020079932 Noise immune peak detector |
| 06/27/2002 | US20020079911 Probe holder for low current measurements |
| 06/27/2002 | US20020079118 Combination current sensor and relay |
| 06/26/2002 | EP1217707A1 Device for termination of primary current in a current transformer having saturation compensation means |
| 06/26/2002 | CN2497318Y Multi-functional lighting electrometer |
| 06/26/2002 | CN2497317Y Passive-driven photosolating high-voltage live-display protector |
| 06/25/2002 | US6411077 Optical-voltage sensor |
| 06/25/2002 | US6410903 Analog signal processing circuit photo detector and image forming apparatus |
| 06/25/2002 | CA2312723C System and method for detecting voltage and current imbalance in an electrical energy supply |
| 06/20/2002 | WO2002048721A2 Method and device for monitoring the function of an output stage with pulse width modulation |
| 06/20/2002 | US20020075267 Processing web editor for data processing in a digital oscilloscope or similar instrument |
| 06/20/2002 | US20020075041 New peak hold scheme |
| 06/20/2002 | US20020075004 Battery voltage measurement device |
| 06/20/2002 | US20020074991 Device for determining the primary current of a current transformer comprising saturation correction means |
| 06/20/2002 | US20020074988 Capacitive test point voltage and phasing detector |
| 06/20/2002 | US20020074864 Method and apparatus for control of large-area ground plane potentials |
| 06/20/2002 | DE10063054A1 Sensorloses Ansteuerverfahren A sensorless control method |
| 06/20/2002 | DE10059751A1 Method for testing the output of an electrical component that acts as a high impedance connection for a power supply by measurement of the voltage across an output capacitance during a testing cycle |
| 06/19/2002 | EP1215951A2 Method and apparatus for controls of large-area ground plane potentials |
| 06/19/2002 | EP1215810A2 Sensorless control method |
| 06/19/2002 | EP1215504A2 RMS-TO-DC converter with fault detection and recovery |
| 06/19/2002 | EP1215503A2 Measuring power factor |
| 06/19/2002 | EP1214606A1 Method for compensating for measurement errors that occur while measuring current in an energy store |
| 06/19/2002 | EP1214603A1 Method for measuring the current with noise rejection |
| 06/19/2002 | CN2496032Y Contact-type acousto-optic high voltage AC electroscope with low voltage transmitting function |
| 06/19/2002 | CN1354366A Measuring test instrument for auxiliary equipment and related voltage control system |
| 06/18/2002 | US6407725 Apparatus for detecting over current in plasma display panel |
| 06/18/2002 | US6407686 Waveform measuring apparatus |
| 06/18/2002 | US6407571 Voltage detecting circuit for a power system |
| 06/18/2002 | US6407557 Process for measuring the electrical resistance of a resistive body for example for checking the conformity of a liquid product and devices for carrying out such a process |
| 06/13/2002 | WO2002046777A2 Current sensors |
| 06/13/2002 | WO2002046776A1 Voltage detection stick |
| 06/13/2002 | US20020070888 Circuit arrangement for conversion of an input current signal to a corresponding digital output signal |
| 06/13/2002 | US20020070787 Rail to rail rectifying integrator |
| 06/13/2002 | US20020070767 High speed signal window detection |
| 06/13/2002 | US20020070733 Voltage measurement apparatus |
| 06/13/2002 | US20020070723 Microelectromechanical system with improved beam suspension |
| 06/12/2002 | CN1353818A Current metering sensor |
| 06/11/2002 | US6404348 Modular power quality monitoring device |
| 06/11/2002 | US6404346 Method and apparatus for detecting a failed thyristor |
| 06/11/2002 | US6404242 Comparator circuit |
| 06/11/2002 | US6404241 Current-Mode Peak Detector |
| 06/11/2002 | US6404221 Threshold invariant voltage detecting device |
| 06/11/2002 | CA2084657C Cmos strobed comparator |
| 06/06/2002 | WO2002044756A1 Current/voltage converter for measuring low currents adapted to operate under high x- or gamma radiation |
| 06/06/2002 | WO2000063707A9 Floating plate voltage monitor |
| 06/06/2002 | US20020067190 Peak hold circuit |
| 06/06/2002 | US20020067172 Voltage measuring apparatus |
| 06/06/2002 | US20020067169 Electric potential detector, device tester and method of detecting electric potential |
| 06/06/2002 | DE10056878A1 Ein stromfühlender Schalterstromkreis A current-sensing switching circuit |
| 06/05/2002 | EP1210613A1 Method and apparatus for detecting a failed thyristor |
| 06/05/2002 | EP0966688B1 High voltage installation with a device for transmitting signals |
| 06/05/2002 | EP0941479B1 Circuit arrangement for accurately sensing a direct current derived from clocked electric input values |
| 06/05/2002 | CN1352398A Battery voltage detector |
| 06/04/2002 | US6401225 Comparator circuit for semiconductor test system |
| 06/04/2002 | US6400258 Electric arc monitoring systems |
| 06/04/2002 | US6400212 Apparatus and method for reference voltage generator with self-monitoring |
| 05/30/2002 | WO2002004962A3 Circuit test light |
| 05/30/2002 | US20020065618 Power saving apparatus in an appliance and power saving method thereof |
| 05/30/2002 | US20020063592 Device using a detection circuit to determine whether an output current thereof is source-induced or load-induced, and method therefor |
| 05/30/2002 | US20020063573 Device and method for monitoring current delivered to a load |
| 05/30/2002 | US20020063565 Arc fault current interrupter testing device |
| 05/30/2002 | US20020063546 Current sense IC with circuitry for eliminating ripple current error from motor current measurement |
| 05/29/2002 | EP1209474A1 System and method for measuring the power consumed by a circuit on a printed circuit board |
| 05/29/2002 | DE10132237A1 Elektro-optischer Tastkopf und magneto-optischer Tastkopf Electro-optical probe and magneto-optical probe |
| 05/29/2002 | CN2493940Y Voltage-lose current cut off tester |
| 05/29/2002 | CN2493939Y Digital-modulo double-indication ac current meter |
| 05/29/2002 | CN1351261A Voltage measuring device |
| 05/28/2002 | US6397157 Method and apparatus for real time measurement of three phase electrical parameters |
| 05/28/2002 | US6396311 Transconductance amplifier circuit |
| 05/23/2002 | WO2002041585A2 Intelligent appliance home network |
| 05/23/2002 | WO2002041493A2 Processing web for data processing in a digital oscilloscope or similar instrument |
| 05/23/2002 | WO2002041491A1 A current-sensing switching circuit |
| 05/23/2002 | WO2002041103A2 Streaming architecture for waveform processing |
| 05/23/2002 | WO2002041102A2 Processing web editor for data processing in a digital oscilloscope or similar instrument |
| 05/23/2002 | WO2002041088A1 Control variables |
| 05/23/2002 | WO2002041009A2 Oscilloscope panel capture and implementation |
| 05/23/2002 | DE10146380A1 Mehrachsenpotentiometer Mehrachsenpotentiometer |
| 05/22/2002 | EP1207398A2 A measurement test instrument and associated voltage management system for accessory device |
| 05/21/2002 | US6392582 Semiconductor integrated circuit |
| 05/21/2002 | US6392451 Threshold value operation circuit, and, and gate circuit, self hold circuit, start signal generation circuit using threshold value operation circuit |
| 05/21/2002 | US6392402 High crest factor rms measurement method |
| 05/16/2002 | WO2002039050A1 Sensor for monitoring electronic detonation circuits |
| 05/16/2002 | US20020057100 Threshold invariant voltage detecting device |
| 05/16/2002 | DE10055002A1 Device for measuring voltage potentials and analogue electrical signals of an integrated circuit has a multiplexer connected to a large number of measurement points and connected to an analog-digital converter and memory |
| 05/15/2002 | EP1204873A1 Circuit and method for determining the offset error of a measurement of the coil current of an electromagnetic actuator that is subject to such an offset error |
| 05/15/2002 | CN2491850Y Digital sampling device for power system a.c. signal |
| 05/15/2002 | CN2491849Y Load state indicator |
| 05/14/2002 | US6388424 Cell shunt circuit for battery cells |
| 05/10/2002 | WO2002037653A2 A method and apparatus for automatically detecting and managing an ac power fault |
| 05/08/2002 | EP1203964A2 Battery voltage measurement device |