Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
12/1996
12/19/1996WO1996041201A1 Microelectromechanical-based power meter
12/19/1996DE19514981A1 Measurement system for detection of electric discharges, temperatures and currents using fluorescent fibre=optic sensors for HV machines and equipment
12/18/1996EP0748452A1 Faraday-effect sensing coil with stable birefringence
12/18/1996EP0748451A1 Dc and ac current sensor having a minor-loop operated current transformer
12/18/1996EP0748300A1 Holder for annealing fiber optic coils
12/17/1996US5585735 E-O probe with FOP and voltage detecting apparatus using the E-O probe
12/17/1996US5585715 Bidirectional electric current sensor fed from a unipolar source
12/12/1996WO1996039633A1 Method and apparatus for driving a digital multimeter having a function of a wattmeter
12/11/1996EP0747712A2 Capacitive pickup clip
12/10/1996US5583637 Optical electric field sensor using optical component having electrooptical effect
12/10/1996US5583444 Voltage detection apparatus
12/10/1996US5583429 Current detection device
12/10/1996US5583428 Solid optical current sensor
12/08/1996CA2178450A1 Capacitive pickup clip
12/05/1996WO1996038735A1 Fibre optic transducer
12/05/1996CA2222766A1 Fibre optic transducer
12/04/1996EP0683923A4 Method of producing a radio frequency transponder with a molded environmentally sealed package.
12/03/1996US5581175 Digital tester with probe storage features
12/03/1996CA2082112C Current ratio device and toroidal core assembly therefor
11/1996
11/27/1996CN1136714A Lateral Hall device
11/20/1996EP0743667A1 Relay terminal array
11/20/1996EP0743528A2 Mains voltage measuring appliance for track vehicles
11/20/1996EP0707712B1 Device for measuring the potential of a high voltage conductor
11/20/1996CN2240731Y High-voltage display device
11/14/1996DE19517128A1 Alternating magnetic field measurement
11/13/1996EP0742441A1 Current sensor
11/13/1996EP0742440A2 Compensated current conversion
11/12/1996US5574380 Current measurement circuit comprising a mutually coupled transformer and an integration circuit
11/12/1996US5574378 Insulation monitoring system for insulated high voltage apparatus
11/06/1996EP0740796A1 Current sensor including magnetic sensors
11/05/1996US5572177 Current detection unit and relay terminal array
11/05/1996US5572117 Multi-meter
10/1996
10/31/1996DE19515267A1 Evaluation of rotation of polarisation plane of optical measurement converter
10/30/1996EP0740162A2 Optical current transformer
10/29/1996US5570449 Holder for annealing fiber optic coils
10/29/1996US5570259 Circuit arrangement for controlling a load and for recognizing a line interruption
10/29/1996US5570034 Using hall effect to monitor current during IDDQ testing of CMOS integrated circuits
10/29/1996US5570012 Apparatus for testing a semiconductor device by comparison with an identical reference device
10/29/1996US5570010 Method and apparatus for identifying objects using compound signal and a detector employing an electrical static coupling technique
10/24/1996WO1996033417A1 Radio-interrogatable current transformer using surface wave technology for high-voltage installations
10/24/1996CA2218586A1 Radio-interrogated, surface-wave technology current transformer for high-voltage systems
10/23/1996EP0738894A2 Current sensor with magnetic field detector
10/22/1996US5568047 Current sensor and method using differentially generated feedback
10/17/1996WO1996020408A3 Dc and ac current sensor having a minor-loop operated current transformer
10/15/1996US5565783 Fault sensor device with radio transceiver
10/15/1996US5565765 Current sensor operating according to the compensation theorem
10/10/1996WO1996027802A3 Measuring device for measuring a current flowing in the overhead wires of a medium-voltage line
10/10/1996DE19512613A1 Automatic control of sensitivity at start of measurement esp. for inductive rpm sensor e.g. in motor vehicle
10/09/1996EP0736776A2 Searching electromagnetic disturbing source
10/09/1996EP0736772A2 Optical fiber sensor for measuring a magnetic field or electric current and method for making the same
10/09/1996CN1132858A Electrical metering system having electrical meter and external current sensor ensor
10/03/1996WO1996030773A1 Electrical current sensor
10/02/1996EP0735600A2 Lateral hall element
10/02/1996EP0734217A1 Improved carpet cleaning machine with convertible-use feature
10/02/1996EP0679261B1 Method and apparatus for measuring partial discharges in cables
10/02/1996DE19510662A1 Aktives optisches Strommeßsystem Active optical current measuring
10/01/1996US5561366 Current sensor system and detection method comprising magetoresistance element, biasing conductor and current measurement conductor on insulating substrate
10/01/1996US5561365 Digital color display system
09/1996
09/26/1996WO1996029608A1 Active optical current measuring system
09/26/1996DE19508582A1 Spannungswandler Voltage converter
09/24/1996US5559442 Process and sensor for measuring electric voltages and/or electric field intensities
09/19/1996WO1996028737A1 Measurement of supply current
09/19/1996WO1996028736A1 Voltage transformer
09/18/1996EP0732709A1 Magneto-optical element and optical magnetic field sensor using the same
09/18/1996CN1131278A Local discharge pulse sensor for coupled high voltage alive equipment
09/17/1996US5557197 Multimeter with automatic function-setting
09/12/1996WO1996027802A2 Measuring device for measuring a current flowing in the overhead wires of a medium-voltage line
09/11/1996EP0406276B1 Monitoring and fault protection of high voltage switchyards
09/10/1996US5554927 Electrical quantity measurement device
09/05/1996DE19507934A1 Spannungswandler mit erhöhter Spannungsfestigkeit Voltage converter with increased dielectric strength
09/04/1996EP0730162A2 Sensor apparatus with magnetoresistif sensorelement in a bridge circuit
09/04/1996EP0729586A1 Peak magnetic field detector with non-volatile storage
09/04/1996EP0662219B1 Process for contactlessly determining electrical measurements
09/03/1996US5553173 Faraday-effect sensing coil with stable birefringence and method of making same
09/03/1996US5552979 Isolated current sensor for DC to high frequency applications
09/03/1996US5552702 Method and apparatus for detecting digital carrier signals on telephone cables
09/03/1996US5552700 Current detecting device with a core having an integrally fixed engaging member
08/1996
08/29/1996WO1996026452A1 Process and device for measuring a magnetic field by faraday effect while compensating for intensity variations
08/29/1996WO1996026449A1 Fault-detection method and apparatus for electrically heated glass panes
08/29/1996WO1996026447A1 Voltage transformer with increased electric strength
08/29/1996DE19606445A1 Inductive measuring system for measuring AC current components superimposed on high value DC current
08/29/1996DE19506169A1 Verfahren und Anordnung zum Messen eines Magnetfeldes unter Ausnutzung des Faraday-Effekts mit Kompensation von Intensitätsänderungen Method and arrangement for measuring a magnetic field using the Faraday effect with compensation of changes in intensity
08/28/1996EP0729033A2 Optical current transformer
08/27/1996US5550476 Fault sensor device with radio transceiver
08/27/1996US5550370 Potential sensor employing electrooptic crystal and potential measuring method
08/22/1996DE19505812A1 Stromerfassungsspule für einen Stromwandler Current sensing coil for a current transformer
08/20/1996US5548523 Monitoring device secured to power distribution system conductors
08/20/1996US5548269 Chip resistor and method of adjusting resistance of the same
08/20/1996US5548208 For monitoring a signal
08/15/1996WO1996024855A1 Current-detection coil for a current transformer
08/14/1996EP0726471A2 Electro-optic voltage measurement apparatus
08/14/1996EP0726470A2 Electro-optic voltage measurement apparatus
08/14/1996DE19520315C1 Linear current=to-frequency converter for very small currents
08/14/1996DE19504521A1 Mfg. method for fibre-optic cable e.g. for communications engineering
08/14/1996CN2233089Y A.C/d.c voltage divider (KVa voltmeter)
08/14/1996CN1128862A Method and device for optical determination of physical quantity
08/13/1996US5546011 Voltage measuring apparatus
08/13/1996US5545980 Includes a magneto-optical element of yttrium terbium iron oxide for faraday rotating polarized light
08/06/1996US5543716 Sparkplug voltage probe for use with an internal combustion engine by clamping sparkplug cables with an insulation base
08/06/1996US5543707 Digital tester
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