Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
08/2010
08/18/2010CN101806841A Method for determining test parameter of winding and sleeve of power transformer
08/18/2010CN101806828A Full-range measurement method of impulsive discharge current arranged at hot side
08/18/2010CN101806827A Real-time detecting method of connecting line voltage zero-crossing in SVC (Static Var Ccompensator) running process
08/18/2010CN101806826A Input voltage detection circuit and power supply circuit
08/18/2010CN101806825A Method and system for measuring effective value of electric parameter of electric motor powered up by frequency converter
08/18/2010CN101806824A Current sensor based on magneto-optic nonreciprocal MZ interference structure
08/18/2010CN101806823A Energy production device for producing and simultaneously monitoring measured current
08/18/2010CN101806822A Structure of high-voltage photoelectric conversion current sensor
08/18/2010CN101806821A Current sensor
08/18/2010CN101363896B High precision voltage transient event detection and wave-recording method
08/18/2010CN101308187B Method and terminal for detecting earphones plug inserting to position
08/18/2010CN101149310B Automobile electric chair noise and motor current detection device
08/17/2010US7778679 Implantable sensor and integrity tests therefor
08/17/2010US7778374 Dual reference input receiver of semiconductor device and method of receiving input data signal
08/17/2010US7777477 Frequency characteristic measuring circuit
08/12/2010WO2010090032A1 Current detecting circuit and transformer current measuring system
08/12/2010WO2010088908A1 Current measuring shunt
08/12/2010US20100202092 Differential Protection Method, System And Device
08/12/2010US20100201372 Systems and Methods for Detecting Electrical Line Faults
08/12/2010US20100201347 Voltage measuring device and storage device
08/12/2010US20100201346 Rf power detector
08/12/2010DE102006011715B4 Vorrichtung und Verfahren zur Messung einer ersten Spannung und einer zweiten Spannung mit einem Differenzspannungsmesser Apparatus and method for measuring a first voltage and a second voltage with a differential voltage meter
08/11/2010EP2215613A1 System and method for false alert filtering of event messages within a network
08/11/2010CN201550044U Data collecting and displaying system of wind-solar hybrid controller
08/11/2010CN201550032U Multifunctional high-voltage power supply
08/11/2010CN201549933U Energy-saving control circuit and miniature human body induction transmitter used with same
08/11/2010CN201549932U Electric parameter monitoring system based on GPRS network
08/11/2010CN201549871U Failure detection and protection device for SVC system
08/11/2010CN201549819U Electricity checking clamp used for repair
08/11/2010CN201548670U DC power comprehensive test instrument
08/11/2010CN201548668U Retest-free high-efficiency voltage/internal resistance testing system of battery
08/11/2010CN201548667U Embedded usage status recorder for lithium ion battery
08/11/2010CN201548635U Monitoring device for pollution source of power quality
08/11/2010CN201548634U Three-section lightening arrester monitor
08/11/2010CN201548632U On-line monitoring device for capacitive equipment of intelligent transformer substation
08/11/2010CN201548615U Distribution line network theoretical line loss real-time statistical analysis system
08/11/2010CN201548613U Universal digital DC voltmeter
08/11/2010CN201548612U High-precision broad-band detecting device of peak value
08/11/2010CN201548611U Inductive test pencil
08/11/2010CN201548610U Multifunctional electroprobe
08/11/2010CN201548609U Current signal precision sampling module of transmitter for electrical exploration
08/11/2010CN201548608U Circuit board of power sensor
08/11/2010CN201548607U Resonance overvoltage analyzing system of transformer substation
08/11/2010CN201548606U Exception record warning instrument for non-earthing system
08/11/2010CN201548605U Non-contact cathode pressure-drop measuring drill rod
08/11/2010CN201548601U High-voltage metering box
08/11/2010CN201548570U Voltage sampling termination
08/11/2010CN201548564U Current measurement device
08/11/2010CN1864071B Process device with quiescent current diagnostics
08/11/2010CN101799516A Circuit board detection device
08/11/2010CN101799492A Arrester wireless on-line monitoring device
08/11/2010CN101799491A Multi-cell battery pack protection circuit
08/11/2010CN101799490A Sample test rod of superconducting line temperature-change measurement system
08/11/2010CN101799489A Equipment for testing attenuation of solar cell
08/11/2010CN101799488A Device and method for generating nominal voltage
08/11/2010CN101799487A Method and equipment for detecting power supply voltage fluctuation
08/11/2010CN101799485A Core holder and zeta electric potential measuring system and method using same
08/11/2010CN101339207B Method for enhancing optical electric current sensor stability
08/10/2010US7774152 Method of manufacturing image display apparatus
08/10/2010US7772923 Test circuit for programmable gain amplifier
08/10/2010US7772922 Method and system for testing data signal amplifier having output signal power dependent upon multiple power control parameters
08/05/2010WO2010088244A1 Battery pack with high and low current discharge terminals
08/05/2010WO2010062141A3 Apparatus and method for monitoring cell voltage of battery pack
08/05/2010US20100195357 Method and apparatus for determining a corrected monitoring voltage
08/05/2010US20100194379 Optical fiber electric current measurement apparatus and electric current measurement method
08/05/2010DE102010000953A1 System und Verfahren zum Testen einer Leistungsversorgung System and method for testing a power supply
08/05/2010DE102006025028B4 Ausgangsleistungsstufen-Stromüberwachungs-Schaltungsanordnung und Verfahren zum Betreiben einer Ausgangsleistungsstufen-Stromüberwachungs-Schaltungsanordnung Output stage current monitoring circuit arrangement and method for operating a power output stage current monitoring circuit
08/05/2010DE10120147B4 Schaltung zur Detektion von kurzen Spannungseinbrüchen in einer Versorgungsspannung A circuit for detection of short voltage dips in a supply voltage
08/04/2010EP2212706A2 Three-phase detection module
08/04/2010CN201541148U Electric load remote monitoring system
08/04/2010CN201541123U Single-phase fault line selection device of 35kV low current ground system
08/04/2010CN201541114U Centralized electric energy management system
08/04/2010CN201540468U Measurement and control device
08/04/2010CN201540359U Battery voltage detection device for mobile phone charging machine
08/04/2010CN201540339U Capacitor inductor automatic tester
08/04/2010CN201540338U AC integrated testing device of zinc oxide arrester
08/04/2010CN201540328U Differential-mode hollow coil current sensor
08/04/2010CN201540327U Electricity testing operation rod
08/04/2010CN201540326U Alternating current extra-high voltage shield voltage measuring device
08/04/2010CN201540325U Micro current measuring instrument capable of alarming
08/04/2010CN101796421A Improved current sensor
08/04/2010CN101794453A Reconstruction method of node mapping image based on regression analysis
08/04/2010CN101793936A Insulation state online monitoring method for condenser type bushings
08/04/2010CN101793931A High-pressure transducer testing system
08/04/2010CN101793918A Voltage sag detection method
08/04/2010CN101793917A Induction type electric display and short circuit grounding fault comprehensive indicator
08/04/2010CN101793916A All-fiber current monitoring device based on Faraday effect
08/04/2010CN101791986A Method for online monitoring of propagation constant of electrified railway track
08/03/2010US7769497 Method of super super decoupled loadflow computation for electrical power system
08/03/2010US7768321 Single-ended sense amplifier using dynamic reference voltage and operation method thereof
08/03/2010US7768320 Process variation tolerant sense amplifier flop design
08/03/2010US7768253 Sampling module and a method of sampling one or more analogue characteristics of a power transmission system
07/2010
07/30/2010CA2691270A1 Method and apparatus for measuring current output of low-voltage pad-mount distribution power transformers
07/29/2010WO2010084652A1 Current detecting circuit
07/29/2010WO2010084073A1 Detecting the voltage in battery cells
07/29/2010US20100191991 System and Method for Using an On-DIMM Remote Sense for Performance and Power Optimization
07/29/2010US20100186504 Method and hand-operated sensor with adaptive detection threshold for the detection of foreign objects embedded in building structure subgrades
07/29/2010DE202010005756U1 Elektronisches Bauelement, insbesondere Stromsensor Electronic component, in particular current sensor
07/29/2010DE102009000396A1 Spannungserfassung von Batteriezellen Voltage measurement of battery cells
07/28/2010EP1810041B1 Battery sensor device
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