| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 06/19/2002 | CN2496031Y Multimeter |
| 06/19/2002 | CN2496030Y Voltage-current integrated inverter |
| 06/19/2002 | CN2496026Y Voltage drop error electricity quatity integrating instrument for secondary circuit of voltage mutual inductor |
| 06/19/2002 | CN1354368A Electric energy metering equipment based on electric load |
| 06/19/2002 | CN1354367A Photometric watt-hour meter |
| 06/18/2002 | US6407903 PDA coupler containing a flexible joint |
| 06/18/2002 | US6407561 Probe for electro-optic sampling oscilloscope |
| 06/18/2002 | US6407540 Switched attenuator diode microwave power sensor |
| 06/13/2002 | WO2002046777A2 Current sensors |
| 06/13/2002 | US20020070724 Method and apparatus for compensation of current transformer error |
| 06/13/2002 | US20020070723 Microelectromechanical system with improved beam suspension |
| 06/12/2002 | EP1212624A2 Fiber optic current sensor |
| 06/12/2002 | CN1353818A Current metering sensor |
| 06/12/2002 | CN1353487A Current transformer used on composite type gas insulation switch |
| 06/11/2002 | US6404503 Apparatus with a retracing optical circuit for the measurement of physical quantities having high rejection of environmental noise |
| 06/11/2002 | US6404180 Technique for sensing current in a conductor with reduced susceptibility to electrical noise on the conductor |
| 06/11/2002 | CA2276762C Remote light indication fault indicator with a timed reset circuit and a manual reset circuit |
| 06/11/2002 | CA2229573C Measurement system for electric disturbances in a high-voltage switchgear |
| 06/06/2002 | US20020067177 Parameter monitoring apparatus for high voltage chamber in semiconductor wafer processing system |
| 06/06/2002 | US20020067172 Voltage measuring apparatus |
| 06/05/2002 | EP0966688B1 High voltage installation with a device for transmitting signals |
| 06/05/2002 | EP0668508B1 Electric field sensor |
| 06/04/2002 | US6400130 Primary current conductor configurations for a residential electronic meter |
| 05/30/2002 | WO2002006769A3 Method for controlling fiber optic sensor scale factor |
| 05/30/2002 | US20020065618 Power saving apparatus in an appliance and power saving method thereof |
| 05/30/2002 | US20020063565 Arc fault current interrupter testing device |
| 05/30/2002 | US20020063562 Electrostatic voltmeter with current source load |
| 05/29/2002 | EP1208386A1 Sensor for current measurement and electricity meter |
| 05/29/2002 | EP1099117B1 Method and device for measuring an electric voltage using the pockels effect |
| 05/29/2002 | DE10132237A1 Elektro-optischer Tastkopf und magneto-optischer Tastkopf Electro-optical probe and magneto-optical probe |
| 05/29/2002 | CN2493938Y Photomagnetic current mutual inductor |
| 05/28/2002 | US6396278 Hand-held ignition voltage tester |
| 05/28/2002 | CA2328623C Arc detection sensor utilizing discrete inductors |
| 05/23/2002 | DE10056988A1 Voltage divider arrangement employing capacitors has measurement amplifier supplied by separate capacitor section of divider of tubular design |
| 05/22/2002 | EP1206705A1 Current sensor |
| 05/21/2002 | US6392583 Method and configuration for processing at least one analog signal containing a number of frequency ranges |
| 05/21/2002 | US6392402 High crest factor rms measurement method |
| 05/21/2002 | US6392401 Closely-coupled multiple-winding magnetic induction-type sensor |
| 05/21/2002 | US6392400 High linearity, low offset interface for Hall effect devices |
| 05/16/2002 | US20020057182 Current transformer and method for correcting asymmetries therein |
| 05/16/2002 | US20020057162 Current transformer and method for correcting asymmetries therein |
| 05/16/2002 | US20020057090 Device for the automatic control of joints in electrical high voltage lines |
| 05/15/2002 | EP1205758A2 Integrated gas-insulated switchgear with current transducer system |
| 05/15/2002 | CN1349098A Voltage sensor and its application |
| 05/14/2002 | US6388549 Magnet core |
| 05/14/2002 | US6388435 Methods and apparatus for voltage measurement |
| 05/14/2002 | US6388434 Electro-optic high voltage sensor |
| 05/10/2002 | WO2002037512A1 Method and apparatus for controlling the magnetization of current transformers and other magnetic bodies |
| 05/09/2002 | US20020053911 Integrated gas-insulated switchgear with current transducer system |
| 05/08/2002 | EP1203964A2 Battery voltage measurement device |
| 05/08/2002 | EP1203961A1 Process for measuring the resistance and inductivity of a line |
| 05/08/2002 | EP1203202A1 Enhancing voltmeter functionality |
| 05/08/2002 | DE10054016A1 Current amplitude measurement using magnetic field sensors inserted inside an electric cable or a comb-like conducting section placed in the cable with an adjacent magnetic sensor, with current deduced from the magnetic field |
| 05/08/2002 | CN1348106A Magnetic field or current sensing technology for optical measurement of magnetic fluid |
| 05/07/2002 | US6385547 Automatic monitoring of high voltage signals |
| 05/02/2002 | DE10052171A1 Stromsensor nach dem Kompensationsprinzip mit schwimmender Bürde The current sensor of the compensation principle with floating load |
| 05/02/2002 | DE10051160A1 Sensor arrangement for contactless measurement of low currents positioned in loop formed by symmetrical conductor branches |
| 05/02/2002 | DE10051138A1 Anordnung zur potentialfreien Messung hoher Ströme Arrangement for potential-free measurement of high currents |
| 05/01/2002 | CN1347504A Gauge effect battery tester |
| 05/01/2002 | CN1083982C Electrical current sensor |
| 05/01/2002 | CN1083981C DC and AC current sensor having minor-loop operated current transformer |
| 04/30/2002 | US6380727 Current sensor |
| 04/30/2002 | US6380726 Smart auto-ranging RMS measurement method and apparatus |
| 04/30/2002 | US6380725 Voltage sensor |
| 04/25/2002 | WO2002033424A2 Arrangement for potential-free measurement of high currents |
| 04/25/2002 | US20020047701 Electric current sensor |
| 04/24/2002 | EP1199573A2 Electric current sensor |
| 04/24/2002 | EP1199572A1 Compensation principle current sensor with floating burden |
| 04/24/2002 | EP1198718A1 Passive solid-state magnetic field sensors and applications therefor |
| 04/24/2002 | EP1198717A1 Apparatus and method for fault detection on conductors |
| 04/24/2002 | CN1346442A Insulator support current sensor |
| 04/24/2002 | CN1346441A Current sensor |
| 04/23/2002 | US6377064 IC device inspection apparatus |
| 04/23/2002 | US6376933 Magneto-resistive signal isolator |
| 04/17/2002 | EP1197773A2 Ceramic fiber optic current sensor |
| 04/17/2002 | CN1083107C 电流传感器 Current Sensors |
| 04/16/2002 | US6373762 Programmable voltage divider and method for testing the impedance of a programmable element |
| 04/11/2002 | WO2001077698A9 Power line testing device with signal generator and signal detector |
| 04/11/2002 | US20020042746 Programmable voltage divider and method for testing the impedance of a programmable element |
| 04/11/2002 | US20020041180 High linearity, low offset interface for hall effects devices |
| 04/11/2002 | US20020041179 Current detection device, method for detecting electric current and power supply system using the same |
| 04/10/2002 | EP1194786A1 A device for the automatic control of joints in electrical high voltage lines |
| 04/10/2002 | EP0619021B1 Current sensor |
| 04/10/2002 | CN1082665C Light measuring device and mfg. process |
| 04/09/2002 | US6370484 Signal analyzer having independent analysis and display scales |
| 04/09/2002 | US6369562 Electro-optical probe for oscilloscope measuring signal waveform |
| 04/04/2002 | WO2002027333A2 Transformer current sensor |
| 04/04/2002 | US20020039026 Power line testing device with signal generator and signal detector |
| 04/04/2002 | DE10141849A1 Stromdetektorvorrichtung, Verfahren zum Detektieren elektrischen Stroms und diese verwendendes Energieversorgungssystem Current detection device, method for detecting electric current, and this energy-use system |
| 04/04/2002 | DE10044197A1 Verfahren und Vorrichtung zur elektrooptischen Messung elektrischer Spannung Method and apparatus for electro-optical measurement of electrical voltage |
| 04/03/2002 | EP1192473A1 Current sensor |
| 04/03/2002 | CN2484574Y Current autoamtic switching-over device for standard electric meter |
| 04/03/2002 | CN1343312A Low error, switchable measurement lead detect circuit |
| 04/03/2002 | CN1342906A Broad-band low-noise efficient impedance-transforming amplifier with isolated background DC. |
| 04/02/2002 | US6366076 Device with wide passband for measuring electric current intensity in a conductor |
| 04/02/2002 | US6366075 Oxyfluoride glass or a bismuth oxide glass having a photoelastic coefficient of from about-0.2 to 0.2 at 546 nm.; method of measuring currents. |
| 03/28/2002 | DE10045194A1 Auswerteschaltung für einen Stromsensor nach dem Kompensationsprinzig, insbesondere zur Messung von Gleich- und Wechselströmen, sowie Verfahren zum Betrieb eines solchen Stromsensors Evaluation circuit for a current sensor according to the Kompensationsprinzig, in particular for measuring direct and alternating currents, and to methods of operation of such a current sensor |
| 03/27/2002 | CN2483732Y Current and voltage conversion device with low temp. coefficient |
| 03/27/2002 | CN2483731Y Portable digital double phase clamping volt-amperameter |
| 03/26/2002 | US6362615 Electro-optic voltage sensor for sensing voltage in an E-field |