Patents
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
10/1995
10/19/1995DE4413028A1 Appts. for measuring and recording machine operation hours and states
10/18/1995EP0677747A2 Capacitive sensor for detecting high voltage signals
10/18/1995CN2210399Y Electric appliance working condition testing element
10/18/1995CN1030107C 电流测量装置 Current measuring means
10/17/1995US5459395 Reduced flux current sensor
10/17/1995US5459350 Resin sealed type semiconductor device
10/11/1995CN1109975A DC and AC three-purpose current comparator
10/11/1995CN1109974A DC current sensor
10/04/1995EP0675368A1 Measuring instrument input circuit
10/04/1995EP0675367A2 Voltage proportional replication device using magnetoresistive sensing elements
10/04/1995CN2209335Y Full-automatic digital multitester
10/04/1995CN1109599A DC current sensor
09/1995
09/28/1995WO1995025959A1 Current intensity measuring instrument
09/28/1995DE4410180A1 Stromstärkemeßgerät Stromstärkemeßgerät
09/27/1995CN1029873C Method and instrument for measuring large electric current
09/26/1995US5453694 Snap-in type sparkplug voltage probe device for use in internal combustion engine
09/26/1995US5453681 Current sensor employing a mutually inductive current sensing scheme
09/20/1995CN2208235Y High electric resistance measuring meter
09/19/1995US5451865 Method and apparatus for sensing an input current with a bridge circuit
09/19/1995US5451864 Magneto-optical sensor
09/19/1995US5451863 Fiber optic probe with a magneto-optic film on an end surface for detecting a current in an integrated circuit
09/14/1995WO1995024723A1 Current transformer
09/14/1995WO1995024654A1 Optical sensor for measuring voltage independently of the path of transmission
09/14/1995DE4408127A1 Streckenneutraler optischer Spannungssensor Path neutrality optical voltage sensor
09/12/1995US5450006 Apparatus and methods for measuring magnetic fields and electric currents
09/12/1995US5450005 Net charge measurement of dielectrics in ground potential equilibrium, as a function of time and temperature
09/12/1995US5450000 Using hall device for controlling current in a switchmode circuit
09/08/1995WO1995023977A1 Faraday-effect sensing coil with stable birefringence
09/08/1995WO1995023771A1 Holder for annealing fiber optic coils
09/06/1995EP0670502A1 Electrical quantity measurement device
09/06/1995EP0670498A1 Current sensing apparatus
09/06/1995CN1107995A Transformer, especially used for detecting defect of electric wire
09/05/1995US5448337 Method and apparatus for determining the charge or voltage distribution of an electrophotographic surface
08/1995
08/30/1995EP0669003A1 Precision ditigal multimeter and waveform synthesizer for multi-signals with distorted waveforms embedded in noise
08/30/1995EP0612411B1 High-voltage measurement device
08/30/1995CN2206508Y Multifunctional protector for electric machine
08/29/1995US5446435 Current sensor comprising a magnetic circuit with an air gap
08/29/1995US5446381 Optical voltage electric field sensor
08/23/1995EP0668597A1 High frequency switching voltage rectifier
08/23/1995EP0668508A1 Electric field sensor
08/23/1995EP0668507A1 Electric field sensor
08/23/1995EP0668506A1 Optical electric field sensor
08/22/1995US5444365 Voltage measuring apparatus having an electro-optic member
08/15/1995US5442337 Device for protection of digital multimeter from misinsertion of input plug
08/15/1995US5442280 Device for measuring an electrical current in a conductor using a Rogowski coil
08/15/1995CA2142206A1 Current controller using hall device for controlling current in a switchmode circuit
08/09/1995CN1029494C D.C and A.C comparator
08/08/1995US5438970 High tension cord connector with misfire detecting capacitor for internal combustion engine
08/02/1995EP0665440A1 Device for indicating that a current passage occured in the conductors of lightning protection equipment
08/01/1995US5438269 Sparking voltage detecting device having an embedded conductive member
08/01/1995US5438257 Reduced magnetic flux current sensor
08/01/1995US5438256 Apparatus and method for measurement from the ground for high voltage overhead lines
07/1995
07/27/1995WO1995020167A1 Current sensor including magnetic sensors
07/26/1995EP0664460A1 Electric field sensor
07/25/1995US5436557 Current sensor which is attachable to an external object by retention between the external object and an electrical conductor
07/19/1995EP0663598A2 Means for determining current pulses of lightning conductors or similar
07/19/1995EP0663597A2 Dual comparator trigger circuit with independent voltage level adjustment
07/19/1995EP0663596A2 Electro-optic voltage probe with fibre optic plate
07/18/1995US5434698 Potential sensor employing electrooptic crystal and potential measuring method
07/18/1995US5434501 Polarization insensitive current and magnetic field optic sensor
07/14/1995CA2123773A1 Dual comparator trigger circuit with independent voltage level adjustment
07/12/1995EP0662219A1 Process for contactlessly determining electrical measurements.
07/12/1995CN2203458Y Organic insulation tapping device
07/11/1995US5432706 Measurement device
07/11/1995US5432705 Administrative computer and testing apparatus
07/11/1995US5432459 Leakage capacitance compensating current sensor for current supplied to medical device loads with unconnected reference conductor
07/11/1995US5432439 Arrangement in a current detection circuit
07/11/1995US5432438 Combined current and voltage transformer for a metal-enclosed gas-insulated high-voltage switching station
07/06/1995DE4424368A1 Producing Rogowski coil for current measurement unit
07/05/1995EP0661547A1 DC current sensor
07/05/1995EP0661546A1 Magnetoresistive current sensor having high sensitivity
07/05/1995EP0661524A2 Fibre-optic transmission sensor with a modulator
07/05/1995CN2202925Y Value reporting digital multimeter
06/1995
06/22/1995WO1995016925A1 Peak magnetic field detector with non-volatile storage
06/22/1995WO1995016382A1 Improved carpet cleaning machine with convertible-use feature
06/21/1995EP0537144B1 Data encodement and reading method and apparatus
06/21/1995CN2201754Y Secondary load linear voltage reducing compensator for voltage mutual inductor
06/20/1995US5426416 Automotive current sensor
06/20/1995US5426370 Spark plug voltage probe device for detecting a burning condition and reducing noise level in an internal combustion engine
06/20/1995US5426360 Secondary electrical power line parameter monitoring apparatus and system
06/14/1995EP0657740A2 Method and device for magneto-optical current measuring
06/14/1995EP0657719A2 Multiple optic sensor system
06/14/1995DE4421789A1 Electricity meter
06/14/1995DE4342409A1 Solid optical current sensor
06/14/1995CA2137891A1 Method for magnetooptic current measurement and magnetooptic current-measuring device
06/13/1995US5424651 Fixture for burn-in testing of semiconductor wafers, and a semiconductor wafer
06/10/1995CA2137333A1 Multiple optic sensor system
06/08/1995DE4341425A1 Determining current representing measurement value flowing through load in vehicle
06/06/1995US5422566 Apparatus and method for sensing DC current in a conductor
05/1995
05/31/1995CN2199539Y Current system converter without additional power
05/30/1995US5420757 Method of producing a radio frequency transponder with a molded environmentally sealed package
05/30/1995US5420686 Polarization interferometer optical voltage detector utilizing movement of interference fringe
05/23/1995US5418450 Coupling circuit for a measuring instrument
05/18/1995DE4433693A1 Chip resistor suitable for sensing small currents
05/18/1995DE4337857A1 Evaluating the rotation of the polarisation plane of a measurement transducer
05/17/1995CN2197672Y Separate current sensor
05/16/1995US5416860 Method and apparatus for optically measuring electric current and/or magnetic field with temperature compensation
05/16/1995US5416408 Current sensor employing a mutually inductive current sensing scheme with a magnetic field substantially uniform in angular direction
05/16/1995US5416407 Electric current sensor employing hall effect generator
05/11/1995WO1995012819A1 Bidirectional electric current sensor supplied by a unipolar source