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)
12/2010
12/09/2010DE10204425B4 Stromsensor nach dem Kompensationsprinzip Current sensor according to the compensation principle
12/09/2010DE102009024078A1 Gradientenkabelüberwachung Gradientenkabelüberwachung
12/08/2010EP2257823A1 Current measurement apparatus with shunt resistor and heat sink
12/08/2010CN201667615U Power frequency high-voltage power supply control circuit
12/08/2010CN201667107U Electrical fire alarm device
12/08/2010CN201667093U Mechanical intelligent flow controller
12/08/2010CN201666931U Circuit for aged device screening
12/08/2010CN201666925U Detector, mobile phone with detecting function and charger assembly
12/08/2010CN201666922U High-voltage nuclear phase pen
12/08/2010CN201666917U Current detection device
12/08/2010CN201666916U Active antenna current detection and short circuit protection circuit of satellite positioning time service receiving machine
12/08/2010CN201666915U Overvoltage and undervoltage monitoring device of high-voltage reactive power compensation power unit
12/08/2010CN201666914U Fuse test loop in capacitor
12/08/2010CN201666913U Lightning strike waveform monitoring system of power transmission line poles and towers
12/08/2010CN201666912U Remote transmitting three-phase distribution and transformation monitoring monitor
12/08/2010CN201666911U Voltage detecting device of medium- and high-voltage variable frequency speed governor
12/08/2010CN201666910U Magnetic balance type Hall current sensor
12/08/2010CN201666909U Current detector for overhead transmission and distribution line
12/08/2010CN201663871U Voltmeter indicating type multi-functional electrical mosquito flap
12/08/2010CN1905192B Semiconductor integrated circuit apparatus
12/08/2010CN1873429B Method and circuit for measuring voltage, insulation resistance, and capacitance in communication line
12/08/2010CN1596051B Automatic monitoring apparatus for operating state of navigational aid lamp
12/08/2010CN101910856A Self testing fault circuit interrupter apparatus and method
12/08/2010CN101910850A Multiple capacitance measuring circuits and methods
12/08/2010CN101908774A System and method for using stored electrical energy to quiet power sensitive measurement circuits
12/08/2010CN101907925A Key circuit, electronic device and television using same, and testing method
12/08/2010CN101907672A Earth wire electrification detection device for earth leakage protective device of electric water heater
12/08/2010CN101907667A Performance test-bed of high-voltage equipment box
12/08/2010CN101907663A On-line monitoring system for transformer substation
12/08/2010CN101907654A Large dynamic weak current detection device for radiation detection
12/08/2010CN101907653A Signal acquisition and transmission device for high-voltage DC transmission converter valve
12/08/2010CN101907652A Damping circuit current measuring device of high-voltage direct-current power transmission thyristor
12/08/2010CN101907651A Main circuit current measuring device for high-voltage DC transmission converter valve
12/08/2010CN101907648A Electric energy quality online monitoring device
12/08/2010CN101907647A Distribution transformer monitoring and metering terminal
12/08/2010CN101907604A Semi-automatic AC/DC fluorescence magnetic prospecting set dedicated for connecting rod
12/08/2010CN101905658A Voltage sample acquiring method and device
12/08/2010CN101581738B Overvoltage sensor of overhead transmission line
12/08/2010CN101571557B DC high-current metering device
12/08/2010CN101546483B System and method for fault diagnosis of traffic signal controller
12/08/2010CN101515015B Power quality monitoring and recording device of power system
12/08/2010CN101458274B Current acquisition method at low speed segment of permanent magnet synchronous machine of compressor
12/08/2010CN101413970B Method for measuring electrode current of buried arc furnace
12/08/2010CN101359037B Method for implementing gradation for battery voltage of mobile terminal and the mobile terminal
12/08/2010CN101354410B DC potential difference meter using slide wire tray
12/08/2010CN101339598B Identity chip portable read-write device
12/08/2010CN101241374B Apparatus, system and method for regulating power voltage
12/07/2010US7847598 Sense amplifier and electronic apparatus using the same
12/07/2010US7847520 Circuit and method of operation for an electrical power supply
12/02/2010WO2010137752A1 Polymer optical waveguide current sensor
12/02/2010WO2010136266A1 Method for determining the origin of power outages
12/02/2010US20100302695 Method for setting free detection of out of step condition in electrical power system
12/02/2010US20100301923 Monolithic voltage reference device with internal, multi-temperature drift data and related testing procedures
12/02/2010US20100301837 Power measuring system, measuring apparatus, load terminal, and device control system
12/02/2010US20100300509 Solar photovoltaic modules with integral wireless telemetry
12/01/2010EP2256505A2 Voltage monitoring in an advanced metering infrastructure
12/01/2010EP2255439A1 Method and device for operating a circuit arrangement
12/01/2010EP1762001B1 Circuit arrangement and method for adjusting the power input of a load which can be operated on a direct current supply network
12/01/2010CN201663358U Intelligent energy consumption monitoring type three-phase distribution cabinet
12/01/2010CN201662864U Residual current type detector for electric fire protection
12/01/2010CN201662610U Novel voltage detection circuit of plurality of series batteries
12/01/2010CN201662599U Photoelectric coupler detection device
12/01/2010CN201662596U Current-voltage electrode
12/01/2010CN201662593U Three-phase electronic GPRS multi-functional electric energy meter
12/01/2010CN201662592U Intelligent extra-high voltage electroscope
12/01/2010CN201662591U Device for testing the sensitivity of remote controller receiver
12/01/2010CN201662590U Semiconductor-type probe and non-invasive voltage measurement device comprising the same
12/01/2010CN201662589U Non-contact high-voltage electric field sensor
12/01/2010CN101902126A Power supply device for sputter ion pumps
12/01/2010CN101900837A Pyroelectric type infrared detector and control method thereof
12/01/2010CN101900793A Battery discharge residual time estimating method
12/01/2010CN101900763A Method for monitoring constant standing-wave ratio
12/01/2010CN101900757A Method and device for measuring direct current voltage
12/01/2010CN101900756A Anti-counterfeit detecting system
12/01/2010CN101900755A Phase automatic compensating system and method of current and voltage synchronous sampling
12/01/2010CN101900754A Current sensor
12/01/2010CN101900753A Alternating current voltage measuring circuit
12/01/2010CN101900752A Grounded high-voltage power system insulation online detector
12/01/2010CN101900751A Detection method of real-time voltage vectors in energy feedback unit
12/01/2010CN101614597B Monitoring device used for high voltage cable connector status in mine roadway
12/01/2010CN101556296B Two-stage alignment bias-removing transresistance amplifier with ultra-low noise and ultra-high precision
12/01/2010CN101540496B Measuring and protecting device of output current of chain-type inverter
12/01/2010CN101414747B Overcurrent protective device for DC brush motor
12/01/2010CN101408568B Method and device for measuring electrical signal phase of alternating current
12/01/2010CN101349731B Real time evaluating method of voltage stability
12/01/2010CN101344544B Monomer voltage polling module of super capacitor bank
12/01/2010CN101246187B Inverter input current detecting device and method thereof
12/01/2010CN101187678B Frequency converter output voltage detection circuit
11/2010
11/30/2010US7842174 Electrochemical chip with miniaturized sensor array
11/27/2010CA2704597A1 Voltage monitoring in an advanced metering infrastructure
11/25/2010WO2010135379A2 Component rfid tag with non-volatile display of component use and scheme for low power strain measurement
11/25/2010DE202010010763U1 LiPo Akku Wächter BS6 LiPo Battery guards BS6
11/25/2010DE202009014382U1 Messvorrichtung zur galvanisch unabhängigen Messung von elektrischen Strömen Measuring device for galvanically independent measurement of electrical currents
11/25/2010DE102009041404A1 The supervision arrangement for protecting an electric building element before overloading, comprises an arithmetic unit and a storage unit for storing operating data of the building element
11/25/2010DE102009022314A1 Verfahren und Schaltungsanordnung zur Messung des Stroms durch eine induktive Last Method and circuit arrangement for measuring the current through an inductive load
11/25/2010DE102009022135A1 Switch arrangement for measuring e.g. direct current to detect and control current flow in lamp, has control and evaluation device determining average current value from measuring current based on measured voltage
11/25/2010DE102009022056A1 Method for detecting and monitoring electrical alternating voltage in furnace of heating system, involves determining level of voltage based on cycle of pulse-width modulated signal, and comparing level with limit value
11/25/2010CA2761918A1 Component rfid tag with non-volatile display of component use and scheme for low power strain measurement
11/24/2010EP2252899A2 Methods for measurement and characterization of interferometric modulators
11/24/2010CN201656762U Voltage detecting circuit for correcting power factor
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