Patents
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
11/2004
11/18/2004DE202004012920U1 Medium voltage installation measurement resistive splitter has fuse primary impedances in connector socket and secondary close to signal processor
11/18/2004CA2525248A1 Fiberoptic faraday effect sensor
11/17/2004EP1476762A1 Signal processing circuit for an optical sensor
11/17/2004CN1547035A Current sensor
11/17/2004CN1547034A Current sensor
11/16/2004US6819095 Power semiconductor device assembly with integrated current sensing and control
11/16/2004CA2197699C An optical fibre sensor element
11/11/2004DE10315532A1 Current sensing integrated circuit has two magnetic field sensor chips arranged on opposing sides of framework and an evaluation unit all contained within sensor housing
11/10/2004CN2655566Y Detector
11/10/2004CN2655247Y Current sensing resistor with common-reference point
11/10/2004CN2655246Y DC high-power standard resistor simulator
11/10/2004CN1175439C Current measuring device and method using current mutual inductor with high transforming ratio
11/09/2004US6816708 Measuring instrument with multiple signal terminals shared in multiple operation modes
11/04/2004US20040217755 Magnetic flux sensor and method
11/04/2004DE202004011873U1 Wireless remote control multi-function current meter has signal transmitter and signal receiver, transmits HF amplified modulated digital signal, can receive, amplify, demodulate, display signal
11/03/2004EP1256004B1 Voltage sensor
11/03/2004CN2653517Y Photoelectric current mutual inductor
11/02/2004US6812687 Semiconductor current detector of improved noise immunity
10/2004
10/28/2004US20040212512 Power management method and system
10/28/2004DE202004010521U1 High voltage installation three phase voltage display can be permanently coupled to capacitive interface without connection to fixed coupler
10/27/2004EP1470625A1 Method for detecting saturation in a current transformer
10/27/2004CN2651762Y Sensing head of small polarization analysis magneto-optic independent magnetic field sensor
10/27/2004CN1540355A Reflection type 'Sage-qinke' interferometer type current transformer prepared from full optical fiber
10/27/2004CN1173186C High frequency current tester
10/26/2004US6809516 Passive magnetic field sensors having magnetostrictive and piezoelectric materials
10/26/2004US6809509 Electrical monitoring system
10/20/2004CN1538181A Combined type electronic current-voltage sensor
10/14/2004WO2004088333A1 Electric potential measuring device and image forming apparatus
10/14/2004US20040204875 Evaluation circuit for a current sensor using the compensation principle, in particular for measuring direct and alternating currents, and a method for operating such a current sensor
10/14/2004US20040201374 Current sensor and current detection unit using the same
10/14/2004US20040201373 Current probe
10/13/2004EP1467214A2 Current sensor and current detection unit using the same
10/13/2004EP1467213A2 Self-powered axial current sensor
10/13/2004EP1266231B1 Instrument transformer
10/13/2004EP1016104B1 Transformer system provided with a decoupling system
10/13/2004CN2648451Y Opening type sensing head for laser current mutual inductor
10/12/2004US6803755 Microelectromechanical system (MEMS) with improved beam suspension
10/10/2004CA2463275A1 Current sensor
10/07/2004WO2004086064A1 Electro-optical voltage sensor
10/07/2004WO2004086063A1 An apparatus for measuring an a.c. current in a cable
10/07/2004WO2003069690A3 Magnetic field sensor
10/07/2004US20040199344 Power saving apparatus in an appliance
10/07/2004US20040196024 Integrated current sensor
10/06/2004EP1067391B1 Current sensor
10/06/2004CN2646718Y Magnetostriction type optical fiber raster current sensor
10/06/2004CN2646717Y Magnetostriction type optical fiber raster current sensor
10/06/2004CN1534301A Electro optical voltage sensor used for high voltage
10/06/2004CN1534300A Temperature compensated electro optical voltage sensor
09/2004
09/30/2004WO2004072662A3 Measuring system comprising an intelligent sensor head and having a reduced power consumption for medium-voltage or high-voltage systems or in mining, and method therefor
09/30/2004US20040189278 Electro-optical voltage sensor for high voltages
09/29/2004EP1462811A1 Electro-optic voltage sensor for high voltages
09/29/2004EP1462810A1 Temperature compensated electro-optical voltage sensor
09/29/2004CN1532551A Photoelectric measurer for high voltage electric transmission line current
09/29/2004CN1168992C D.C. current sensing device
09/28/2004US6798312 Microelectromechanical system (MEMS) analog electrical isolator
09/23/2004WO2004081589A1 High-voltage measurement device
09/23/2004US20040183617 Microelectromechanical system (mems) analog electrical isolator
09/23/2004US20040183522 Power line sensors and systems incorporating same
09/23/2004US20040183520 Device for measuring an electric current
09/22/2004EP1366528B1 Current-responsive resistive component
09/22/2004CN1530661A 电流传感器 Current Sensors
09/22/2004CN1168104C AC current dividing current transformer
09/21/2004US6794860 Transformer for a current sensor
09/21/2004US6794859 Automatic multimeter
09/16/2004US20040178875 Current transformer
09/15/2004EP1071963A4 Current measuring devices and method
09/15/2004CN2641663Y Electric energy monitoring controller
09/14/2004US6791313 Electrical current detector having a U-shaped current path and hall-effect device
09/10/2004WO2004077078A1 Electric current sensor
09/10/2004WO2004077077A1 Method for measuring the current consumption of an electric radiator in a vehicle ventilation, heating or air conditioning system
09/10/2004WO2004077076A1 Short-circuit detection in a frequency converter
09/09/2004DE4202296B4 Magnetisch kompensierter Stromwandler Magnetically compensated current transformer
09/09/2004DE10305986A1 Messsystem mit intelligentem Sensorkopf für Mittel- oder Hochspannungsanlagen oder im Bergbau Measuring system with intelligent sensor head for medium or high voltage equipment or mining
09/09/2004DE10045563B4 Leistungshalbleiter-Modulbaugruppe Power semiconductor module assembly
09/09/2004DE10019717B4 Stromsensor mit Befestigung Current sensor with mounting
09/08/2004EP1046043B1 Toroidal coil without magnetic core comprising two superposed windings
09/08/2004CN2639898Y Compact type high-voltage power metering box
09/08/2004CN2639896Y Current induction module
09/08/2004CN2639895Y Time-sharing three-phase laser current mutual inductor
09/08/2004CN1527945A Contact probe, method of manufacturing the contact probe, and device and method for inspection
09/08/2004CN1165772C Sensor for detecting high-frequency oscillations of voltage and arrangement of sensor
09/08/2004CN1165771C Current measuring element capable of automatic zero-setting
09/08/2004CN1165770C Current sensor
09/08/2004CN1165769C Self powered current sensor and assembling method thereof
09/07/2004US6788067 Device for and method of detecting residual current with resistive shunts
09/07/2004US6788046 Compensation current sensor
09/02/2004WO2004075311A1 Semiconductor device with hall-effect element
09/02/2004WO2004074860A1 Magnetic field sensor and electrical current sensor therewith
09/02/2004WO2004063738A3 Battery monitoring system and method
09/02/2004DE19952529B4 Verfahren zur Strommessung an einer mehrfachen Stromverteilung Method for current measurement on a multiple power distribution
09/01/2004EP1453173A1 Overload current protection apparatus
09/01/2004EP1452878A1 Electric current sensor
09/01/2004EP1452877A1 Short-circuit detection in a converter
09/01/2004CN2638071Y Reflection type sagnek interferometer full optical fiber electric current mulual induction device
08/2004
08/26/2004WO2004072672A1 Integrated sensor
08/26/2004WO2004072662A2 Measuring system comprising an intelligent sensor head and having a reduced power consumption for medium-voltage or high-voltage systems or in mining, and method therefor
08/26/2004WO2004042070A3 Electrical detection of dna hybridization and specific binding events
08/26/2004US20040164722 Integrated circuit leadframes patterned for measuring the accurate amplitude of changing currents
08/25/2004EP1450176A1 Magnetic field sensor and electrical current sensor therewith
08/25/2004EP1450166A1 Current sensor
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