Patents
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
08/1996
08/06/1996US5543706 Circuit and method for measuring current in a circuit
07/1996
07/31/1996EP0724161A2 Electrical apparatus with wide dynamic range for monitoring and protecting electric power systems
07/30/1996US5541600 Signal processing circuit including a variable gain input stage
07/30/1996US5541503 Alternating current sensor based on concentric-pipe geometry and having a transformer for providing separate self-powering
07/25/1996WO1996022539A1 Electricity measurement apparatus and method
07/24/1996EP0723159A1 Current measuring device with measuring transducer
07/24/1996EP0723158A1 Multimeter with an erroneous input prevention mechanism
07/24/1996EP0723157A1 Method and apparatus for determining and selectively displaying valid measurement information
07/24/1996CN2231797Y Pocket intelligent digital universal meter
07/24/1996CN1127413A Current transformer for a metal-enclosed gas-insulated high-voltage installation
07/23/1996US5539354 Integrator for inductive current sensor
07/23/1996US5539320 Method for determining the current flowing through a load in a motor vehicle
07/18/1996WO1996021864A1 Two-way dc-to-dc voltage converters and current sensor
07/17/1996EP0722216A2 Split-path linear isolation circuit apparatus and method
07/17/1996EP0721670A1 Current sensor comprising a magnetoresistive strip and method of production
07/17/1996EP0721590A1 Method and device for measuring an electric current using two oppositely directed light signals and making use of the faraday effect
07/17/1996EP0721589A1 Method and device for measuring an alternating electrical quantity to include temperature compensation
07/17/1996CN1126852A Monitoring device secured to power distribution system conductors
07/10/1996CN2230930Y Resistance probe for galvanic circle of oil-deficiency circuit breaker
07/04/1996WO1996020408A2 Dc and ac current sensor having a minor-loop operated current transformer
07/03/1996CN2230450Y Numerically-controlled detecting device
06/1996
06/26/1996EP0718635A2 An electrical metering system having an electrical meter and an external current sensor
06/26/1996CN2230038Y Housing of testing instrument
06/25/1996US5530373 Method and apparatus for determining and selectively displaying valid measurement information
06/20/1996WO1996018909A1 Monitoring system for insulated high voltage apparatus
06/20/1996CA2181712A1 Monitoring system for insulated high voltage apparatus
06/19/1996EP0717294A2 Optical fiber sensors and method for making the same
06/19/1996CN2229668Y Direct-current comparator
06/12/1996EP0716227A2 Device for ignition signal acquisition
06/12/1996CN2229084Y Microcomputerized in-line measurement multipurpose digital meter
06/06/1996CA2163835A1 Solenoid type voltage, polarity and continuity tester
06/05/1996EP0715074A1 A spark plug voltage probe device for an internal combustion engine
06/05/1996DE4442677A1 Electricity user power supply method
06/04/1996US5523677 DC current sensor
05/1996
05/29/1996EP0713970A1 A spark plug voltage probe device for an internal combustion engine
05/23/1996WO1996015460A1 Current transducers
05/23/1996DE4441445A1 Multichannel measurement value detection unit with analogue inputs and galvanic isolation, for use as data logger
05/23/1996CA2207037A1 Current transducers
05/22/1996EP0713007A1 A spark plug voltage probe device for an internal combustion engine
05/21/1996US5519560 Unity gain filter for current transformer
05/15/1996DE4447538A1 Meßwertverstärker (Strom-Spannungswandler) zur Erfassung kleiner, transienter Ströme Measuring amplifier (current-voltage converter) to detect small, transient currents
05/15/1996CN2227342Y Openable hanging photoelectric current mutual-inductor
05/15/1996CN2227341Y High-frequency large current optical fibre end instrument
05/15/1996CN2227340Y Signal segregating unit
05/14/1996US5517154 Split-path linear isolation circuit apparatus and method
05/14/1996US5517104 Lead wire DC current sensor with saturated detecting core
05/09/1996WO1996013714A1 Current/voltage transformer for the detection of the electron current in a scanning tunnelling-electron microscope
05/08/1996EP0711043A1 Optimization method for a digital measuring device having fast and slow modes of analog-digital conversion and apparatus for implementing the same
05/08/1996EP0710844A2 Method for measurement of alternating current, measurement detector for measurement of alternating current, and use of SAID detector in a KWH meter
05/08/1996EP0710773A2 Structure and production process for secondary voltage detector for engine
05/07/1996US5515001 Current-measuring operational amplifier circuits
05/02/1996DE4438960A1 Current-voltage converter to determine tunnel current of a scanning tunnel microscope
05/01/1996EP0558702B1 Current sensor having a magnetic circuit with an air gap
04/1996
04/30/1996US5512841 Peak current detection in a test instrument for ensuring validity of component test output
04/30/1996US5512818 Containing an electromagnet
04/25/1996WO1996012195A1 Optical measuring process and device for measuring an electric a.c. voltage or an electric alternating field with temperature compensation
04/25/1996DE4436305A1 X-ray tube high voltage measuring appts.
04/24/1996EP0707712A1 Device for measuring the potential of a high voltage conductor
04/23/1996US5511108 Apparatus and method for performing and controlling testing of electrical equipment
04/23/1996US5510703 Device for measuring magnetic field and current intensity in low to high ranging fields
04/18/1996WO1996011409A1 Process and device for measuring an alternating electric quantity with temperature compensation
04/18/1996WO1996011408A1 Fitting in the form of a lead-through or a socket for cable plugs
04/18/1996DE4436454A1 AC voltage or variable electric field measuring method
04/18/1996CA2202133A1 Method and device for measuring an alternating electric quantity with temperature compensation by fitting
04/17/1996EP0707215A2 Separate transmission of data and energy for a measuring instrument
04/17/1996EP0706662A1 Optical method of measuring an alternating electrical current, including temperature compensation, and a device for carrying out the method
04/17/1996EP0706661A1 Optical method of measuring an alternating electrical current, including temperature compensation, and a device for carrying out the method
04/17/1996CN1031600C AC current comparator
04/16/1996US5508618 Coreless detector for ignition dischage current
04/16/1996US5508607 Electronic test instrument for component test
04/16/1996US5508606 Direct current sensor
04/13/1996CA2160295A1 Alternating current detector
04/11/1996DE4436181A1 Verfahren und Vorrichtung zum Messen einer elektrischen Wechselgröße mit Temperaturkompensation durch Fitting Method and apparatus for measuring an electrical change size with temperature compensation fitting
04/11/1996DE4435864A1 Garnitur in Form einer Durchführung oder einer Steckbuchse für Kabelstecker Set in the form of a performance or a socket for cable plug
04/10/1996EP0706056A2 Sensor for detecting partial discharge impulses in high voltage equipment
04/10/1996CN2224424Y Intelligent detecting and recording instrument for power parameter
04/10/1996CN1120233A Steel armed rogowski coil for earth of electric apparatus and making of same
04/04/1996WO1996010187A1 Optical interferometric current sensor and a method for measuring an electrical current
04/04/1996WO1996010186A1 Device for measuring an electric current
04/03/1996EP0704707A1 Voltage measurement system
03/1996
03/28/1996DE4434417A1 Meßanordnung zur Messung eines elektrischen Stromes A measuring arrangement for measuring an electric current
03/27/1996EP0703460A1 Magneto resistance current sensor
03/27/1996CN1119277A Method and apparatus for sensing an input current with a bridge circuit
03/26/1996US5502374 Measuring system
03/26/1996US5502373 Magneto-optical current measurement apparatus
03/21/1996DE4447571A1 Dielectric for capacitor measuring high voltages, with increased accuracy
03/20/1996EP0702237A2 Peak current detection in a test instrument for ensuring validity of component test output
03/20/1996EP0702236A2 Voltage measurement system
03/20/1996EP0702235A1 Graphical trend display methods and apparatus in a test instrument
03/20/1996CN2222923Y Combined multifunction installation type meter
03/19/1996US5500909 Sensor head for a fiber-optic current measuring device
03/16/1996CA2157417A1 Peak current detection in a test instrument for ensuring validity of component test output
03/16/1996CA2155455A1 Graphical trend display methods and apparatus in a test instrument
03/14/1996WO1996007922A1 Process and device for measuring an alternating electric current with temperature compensation
03/14/1996WO1996007873A1 Fibre optic sensor
03/14/1996DE4432146A1 Verfahren und Vorrichtung zum Messen eines elektrischen Wechselstromes mit Temperaturkompensation Method and apparatus for measuring an electric alternating current with temperature compensation
03/14/1996CA2199519A1 Process and device for measuring an alternating electric current with temperature compensation
03/13/1996EP0701139A1 Transformers of electric voltage meters based on mechanical waves
03/06/1996EP0699919A1 Acquisition route for voltage pulse and measuring procedure and system for partial discharges using such a route
03/06/1996CN1118073A Fiber-optic transmission sensor with modulator