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)
11/2011
11/02/2011	CN202025037U Zero crossing detecting circuit
11/02/2011	CN202025036U Alternating current power down rapid detection device
11/02/2011	CN202025035U Test pencil
11/02/2011	CN202025034U Online monitoring device for oil fume purifier and online monitoring system for same
11/02/2011	CN202024755U High-voltage cable construction safety monitoring system based on magnetic field sensor
11/02/2011	CN102232192A A simple and stable reference for IR-drop and supply noise measurements
11/02/2011	CN102230947A Method of using wavelet to extract string integral density disturbance signal
11/02/2011	CN102230190A Method and device for testing anode iron-carbon voltage drop of aluminum electrolysis cell
11/02/2011	CN101782604B Device for displaying electrification warning via laser holographic character
11/02/2011	CN101750540B Method for detecting parasitic loop of transformer station direct current system
11/02/2011	CN101726657B Device for measurement and conversion of voltage signal
11/02/2011	CN101034139B Digital signal processing apparatus
11/01/2011	US8050803 Power feeding system, electrical apparatus, power feeding apparatus, and computer readable storage medium
11/01/2011	US8049535 Sense amplifier for low voltage high speed sensing
10/2011
10/27/2011	WO2011130905A1 Pulse current sensor and lightning protection cabinet with surge wave recording composed of the sensor
10/27/2011	WO2011091906A3 Method for identifying consumers or producers in a pneumatic, hydraulic or electric network
10/27/2011	US20110260755 Methods and Systems for Detecting Battery Presence
10/27/2011	US20110260709 Energy Monitoring Device
10/27/2011	DE202011004832U1 Hochspannungsverstärker mit Abgleichmöglichkeit des Eingangsstromes High voltage amplifier with matching possibility of the input current
10/27/2011	DE102010028088A1 Method for measuring accumulator power in motor car, involves connecting input ports of amplifiers to two resistors for receiving measurement voltage dropped at measurement resistor, and outputs of amplifiers to single evaluation circuit
10/27/2011	DE102010028086A1 Method for measuring current and temperature in motor car, involves switching power supply for measuring temperature, and measuring another measuring voltage falling at measuring resistor and temperature-dependent resistor
10/27/2011	DE102010028066A1 Calibration method for current measurement system for measuring battery current in motor vehicle, involves conducting calibration current through calibration resistor and current measurement system
10/26/2011	EP2381263A1 Digital multimeter having improved recording functionality
10/26/2011	EP2381262A1 Digital multimeter having improved recording functionality
10/26/2011	CN202018490U Intelligent overhead-line fault alarm with self-adapting function
10/26/2011	CN202018477U Real-time power supply monitoring module
10/26/2011	CN202018476U Capacitor energization indicating device
10/26/2011	CN202018475U Testing equipment capable of prompting signal connection
10/26/2011	CN202018474U Current sampling circuit and power source comprising same
10/26/2011	CN202018473U MOA (Metal Oxide Arrester) resistive-current live-monitoring device based on COMPASS (Beidou Satellite Navigation and Positioning System) synchronous timing
10/26/2011	CN202018472U Power grid voltage detecting device
10/26/2011	CN102227645A Apparatus and method for monitoring cell voltage of battery pack
10/26/2011	CN102226820A Circuit for detecting intermediate voltage
10/26/2011	CN102226819A On-chip testing method of MOSFET current of large-power power supply integrated circuit
10/26/2011	CN101738522B Control circuit for detecting alternating current and direct current by temperature comparison method
10/26/2011	CN101672897B Voltage monitoring and diagnosing device and method of fuel cell stack
10/26/2011	CN101493483B Battery voltage detection circuit
10/26/2011	CN101452017B Full automatic over current protection test system and method
10/25/2011	US8046180 Model-based determination of power source replacement in wireless and other devices
10/20/2011	WO2011130733A1 Method and apparatus for indicating a disconnection within a distributed generator
10/20/2011	WO2011129218A1 Insulation deterioration diagnosis device
10/20/2011	WO2011128916A1 Circuit board meter for circuit breakers
10/20/2011	US20110257917 Voltage management methods and systems for performing analog-to-digital conversions
10/20/2011	US20110254611 Connecting Apparatus for Field Device and Method for Operation
10/20/2011	US20110254563 Connector monitoring assembly and a detector assembly including the same
10/20/2011	US20110254538 Current measurement method, inspection method of semiconductor device, semiconductor device, and test element group
10/20/2011	US20110254537 Method and Apparatus for Detecting CCM Operation of a Magnetic Device
10/20/2011	DE102010015312A1 Hochvoltsystem für ein Kraftfahrzeug und Verfahren zur Diagnose eines Hochvoltsystems für ein Kraftfahrzeug High-voltage system for a motor vehicle and method for diagnosing a high-voltage system for a motor vehicle
10/19/2011	EP2376927A1 Power metering and merging unit capabilities in a single ied
10/19/2011	CN202014029U Transformer protection ring network cabinet with compact structure
10/19/2011	CN202013398U Leakage indicator for electrical appliance shell
10/19/2011	CN202013395U Online measurement circuit structure for charging circuit breaking of storage battery set
10/19/2011	CN202013388U Voltage distribution wireless measurement system for lightning arrester
10/19/2011	CN202013377U Ultramicro current detecting device
10/19/2011	CN202013376U Device and equipment used for detecting high voltage lines
10/19/2011	CN202013375U Multifunctional reed switch testing device
10/19/2011	CN202013374U Low voltage detection warning device
10/19/2011	CN202013373U Multipath current collector
10/19/2011	CN202013372U Online monitoring device for silicon carbide non-linear resistance deexcitation process
10/19/2011	CN202013368U AC-DC undercurrent simulation electronic load device
10/19/2011	CN102222934A Isolated island detecting method, device and system for photovoltaic grid-connected power generation system
10/19/2011	CN102222932A Isolated island detecting device and method based on load characteristic
10/19/2011	CN102221672A Detection circuit of key
10/19/2011	CN102221657A Electroprobe for finding broken position of circuit
10/19/2011	CN102221641A On-line monitoring system for leakage current of high-voltage power transmission line insulator
10/19/2011	CN102221640A Voltage detector and protective device of alternating/direct-current alternative power converter
10/19/2011	CN102221639A Positive and negative sequence current real-time detection method
10/19/2011	CN102221638A Circuit and space electric energy effect tester
10/19/2011	CN102220768A Method for detecting integrity of concrete foundation pile body
10/19/2011	CN101762774B Method for identifying high voltage direct current transmission line fault location based on genetic algorithm parameter
10/19/2011	CN101726652B Method for sampling secondary loop in power system with optimized measurement accuracy
10/19/2011	CN101635455B Method for calibrating characteristic waves of power network by utilizing clock stamp and system
10/19/2011	CN101533285B A reference voltage buffer circuit
10/18/2011	US8041534 Sensor device, and sensor system and electronic device using the sensor device
10/18/2011	US8041523 Battery charge/discharge current detection apparatus
10/18/2011	US8040179 Apparatus and method for estimating power for amplifier
10/18/2011	US8040124 Method and apparatus for monitoring leakage current of a faraday cup
10/13/2011	WO2011126314A2 Voltage detection assembly for battery module and battery module including same
10/13/2011	WO2011125564A1 Optical fiber current sensor and electric current measurement method
10/13/2011	WO2011043570A3 Method and apparatus for measuring the residual capacity of a lithium primary battery
10/13/2011	US20110251808 Method for determining the closing time of an electromagnetic fuel injector
10/13/2011	US20110250520 Variable load fuel cell
10/13/2011	US20110249476 Voltage detector and protection apparatus using the same
10/13/2011	US20110249381 Mini implant
10/13/2011	US20110248703 Power Detector and Method for Detecting Power
10/13/2011	US20110248702 Current detection circuit including electrostatic capacitor and rectifying element for increasing gate voltage of protecting mosfet
10/13/2011	US20110248701 Method for detecting an electric potential-difference at a piezoelectric actuator unit, and a circuit system for implementing the method
10/13/2011	US20110248698 Biosensor and detection method of target substance
10/13/2011	DE102011006972A1 Magnetfeldstromsensoren Magnetic current sensors
10/13/2011	DE102008044464B4 Vorrichtung zur Auswertung eines Strommesssignals An apparatus for evaluating a current measurement signal
10/12/2011	EP2375542A2 Power tool system
10/12/2011	EP2375541A2 Battery powered tool
10/12/2011	EP2374014A1 A simple and stable reference for ir-drop and supply noise measurements
10/12/2011	EP1977263B1 Device for monitoring cell voltage
10/12/2011	EP1929602B1 Method and system for fault detection in electrical power devices
10/12/2011	CN202009297U Junction box capable of monitoring operational data of motor
10/12/2011	CN202009265U High-voltage switch controller with metering function
10/12/2011	CN202009136U Power conversion plug extension
10/12/2011	CN202008504U Digital display ammeter
10/12/2011	CN202008503U Weak signal receiving device of intelligent house system

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