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