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)
12/2003
12/10/2003CN1461413A Analytical circuit for current sensor working on compensation principle, particular for measurement of dc and ac, and method for operation of said current sensor
12/09/2003US6661324 Voltage and current sensor
12/04/2003WO2003101169A1 Electronic device comprising a housing
12/04/2003WO2003100447A1 Circuit configuration and method for compensating for the changes in a transfer ratio of a magnetic field sensor arrangement
12/04/2003DE20220648U1 Arrangement for electrical power supply of load via transmission path divided into two has supply signal generator, first and second sub-paths for transmitting supply signal to and from load
12/03/2003EP1367401A1 Current sensor and overload current protective device comprising the same
12/03/2003EP1366554A1 Arrangement for the electric power supply of a consumer by means of a transmission path divided into two
12/03/2003EP1366528A2 Current-responsive resistive component
12/03/2003EP1366371A1 Transformer for a current sensor
12/03/2003CN2589991Y High tension electricity voltage/phase sequence determinator
12/03/2003CN2589990Y Insulating casing of electroscopic earthing ring
12/03/2003CN2589989Y High-speed isolation multi path voltage sampling instrument
12/03/2003CN1460182A High-voltage insulated modular connection system with voltage and current detector
11/2003
11/27/2003WO2003098237A1 Digital multimeter with misoperation preventing function
11/27/2003WO2002067293A3 Microelectromechanical systems (mems) device including an analog or a digital
11/26/2003EP1365250A1 Contact probe, method of manufacturing the contact probe, and device and method for inspection
11/26/2003EP1364219A1 Device, amperemeter and motor vehicle
11/26/2003EP1364218A1 Electronic voltage transformer
11/26/2003CN1458531A Full automatic hook type electric meter
11/20/2003US20030216877 Method and system for measuring current
11/20/2003US20030214313 Current detection equipment and semiconductor device
11/18/2003US6650104 Device for detecting impedance disturbance points in symmetrical data transmission lines
11/12/2003EP1360510A1 Semiconductor assembly for measuring current intensity
11/12/2003CN2586164Y Electromechanic multipoint data integrated tester
11/12/2003CN1455868A Resistor suitable to measure of high-frequency AC. electricity
11/12/2003CN1455260A Voltage sensor for monitoring alternating current
11/12/2003CN1127815C Arrangement in a subscriber line interface circuit
11/12/2003CN1127664C Optical current transformer
11/11/2003US6646859 Power supply arrangement
11/11/2003US6646562 Hooking-type fully automatic electric meter
11/11/2003US6646430 Current measuring shunt with circuitry mounted thereon
11/11/2003US6646429 Current detection device, method of detecting electric current and power supply system using the same
11/05/2003EP1358493A1 Measuring circuit arrangement for electricity meters for direct connection
11/05/2003EP1358492A1 Method for the temperature-compensated, electro-optical measurement of an electrical voltage and device for carrying out the method
11/05/2003EP1358491A2 Device, current measurer and motor vehicle
11/05/2003EP1358490A1 Method for evaluating a measuring signal and corresponding circuit arrangement
11/05/2003EP1092160B1 Residual current detection device
11/04/2003US6642705 Electric current sensor
11/04/2003US6642704 Device for sensing electrical current and housing therefor
10/2003
10/30/2003WO2003036732A3 Compact vertical hall sensor
10/30/2003US20030201780 Parallel arc fault diagnostic for aircraft wiring
10/29/2003CN2583682Y Direct current sensor
10/29/2003CN2583681Y Large current straight through electric energy of non large current contact
10/29/2003CN1126183C Lateral Hall device
10/28/2003US6639770 Current transformer and method for correcting asymmetries therein
10/28/2003US6637564 Current detector with two mounting positions
10/22/2003CN2582003Y Warning electric net high-voltage load detecting sensing circuit
10/22/2003CN2582002Y Outdoor high-voltage dry-electric energy meter
10/22/2003CN1450670A Process for preparing high-linearity gallium arsenide Hall device
10/21/2003US6636321 Fiber-optic current sensor
10/21/2003US6636029 Device and method for creating one or more magnetic field gradients through a straight conductor
10/16/2003US20030194672 Handheld tester for starting/charging systems
10/16/2003US20030193326 Test method for characterizing currents associated with powered components in an electronic system
10/16/2003US20030193325 Radio frequency oscillation detector
10/15/2003EP1352257A2 Device for sensing a magnetic field, a magnetic field meter and an ammeter
10/15/2003EP1352254A2 Device, ammeter and motor vehicle
10/15/2003CN2580448Y Iron-core current sensor
10/14/2003US6633168 Method and apparatus for detecting partial discharge in a voltage transformer
10/08/2003CN2579081Y Low non-linear charge amplifier
10/08/2003CN2578834Y Accurate Rogovski high voltage current sensor
10/08/2003CN1123774C Automatic tracking, monitoring and compensating device for secondary line voltage drop of voltage mutual inductor
10/07/2003US6630819 Magneto-optic current sensor
10/03/2003CA2380201A1 A method and apparatus for detecting partial discharge in a voltage transformer
10/02/2003WO2003081746A1 Arrangement for the electric power supply of a consumer by means of a transmission path divided into two
10/02/2003US20030185576 Enhanced accuracy
10/02/2003US20030184325 Device and method for monitoring a capacitor bushing
10/02/2003US20030183890 Device for sensing a magnetic field, magnetic field meter and an ammeter
10/02/2003US20030183848 Device for detecting a magnetic field, magnetic field measure and current meter
10/02/2003DE10224354C1 Magnetic field sensor transmission factor variation compensation circuit uses correlator for comparing auxiliary signal with detected corresponding field coupled to series regulation circuit
10/02/2003DE10213876C1 HV measuring device has measuring voltage applied across opposing conductivity regions of doped layer positioned in electrical field
10/01/2003EP1348133A2 Electrical quantity sensor
10/01/2003EP1348132A1 Electrical resistance for the measurement of preferably high frequency alternating currents
10/01/2003EP1010014B1 Magnet core
09/2003
09/30/2003US6628114 High linearity, low offset interface for hall effect devices
09/25/2003US20030179063 Current transformer for a compensating current sensor
09/25/2003US20030178986 Electrical monitoring system
09/24/2003CN2575682Y Temperature unsensitive type array wave guide optical grating
09/23/2003US6624644 Electro-optic probe and magneto-optic probe
09/23/2003US6624624 Electrical current sensor
09/23/2003US6624622 Probe for measuring voltage/current of low voltage power distribution cable
09/23/2003CA2168159C Electrical apparatus with wide dynamic range for monitoring and protecting electric power systems
09/18/2003DE10204424C1 Current sensor operated using the compensation principle, has demagnetizing circuit supplying decreasing current at increasing frequency
09/17/2003EP1345033A1 Electrical transformer for voltage and current measurement based on the electromagnetic waves sensored in dielectric
09/17/2003CN2574061Y High voltage capacitance divider
09/16/2003US6621258 Electro-optic high voltage sensor
09/12/2003WO2003075018A1 Current measuring device
09/12/2003WO2003016924A3 Oscilloscope module for portable electronic device
09/12/2003CA2474200A1 Current measuring apparatus
09/11/2003US20030169045 Method and apparatus for a rigidly joined together and floating bucking and receiver coil assembly for use in airborne electromagnetic survey systems
09/11/2003US20030169031 Housing with retainer tab for positioning a current sensor magnetic field concentrating core
09/10/2003CN1441907A Fiber-optic current sensor
09/09/2003US6618536 Integrated optical waveguide system
09/09/2003US6618228 Current detecting apparatus and electric motor control apparatus
09/09/2003US6617859 Method for diagnosing insulation degradation in underground cable
09/09/2003US6617840 Wireless alternating current phasing voltmeter
09/09/2003US6617750 Microelectricalmechanical system (MEMS) electrical isolator with reduced sensitivity to inertial noise
09/06/2003CA2420806A1 Method and apparatus for a rigidly joined together and floating bucking and receiver coil assembly for use in airborne electromagnetic survey systems
09/04/2003WO2003073118A1 Measuring current through an electrical conductor
09/04/2003US20030164714 Capacitor coupled voltage transformers
09/04/2003US20030164711 Sensor output processing device having self-diagnosis function
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