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)
11/2013
11/06/2013	CN103383405A Passive signal voltage detection method
11/06/2013	CN103383404A 电流测量电路 The current measuring circuit
11/06/2013	CN103383403A Electric current sensor
11/06/2013	CN103383402A Detection system and method of semiconductor two-dimensional electron gas circular polarization spin photocurrent
11/06/2013	CN102543334B Device for automatically testing voltage-sensitive voltage of resistor disc and resistor disc inkjet printing process
11/06/2013	CN102445639B Split conductor ion flow space distribution measuring method and device
11/06/2013	CN102435897B Method for filtering online monitoring data of arrester leakage current based on morphological principle
11/06/2013	CN102375108B Reliability analysis method for transformer neutral current suppression device
11/06/2013	CN102364533B Full monitoring type residual-current electrical fire monitoring detector
11/06/2013	CN102237667B Overcurrent detecting circuit of USB port
11/06/2013	CN102171578B Apparatus and method for sensing a current leakage of a battery, and battery driving apparatus and battery pack including the apparatus
11/06/2013	CN102122810B Current diagnosing device and method for monitoring state of current transformer
11/06/2013	CN102109548B Current detection circuit with current compensation and temperature compensation
11/06/2013	CN102103157B Direct voltage isolated sampling device
11/06/2013	CN102047558B Method for determining the offset of a periodic signal
11/06/2013	CN102005738B Method for identifying healthy phase saturation based on current amplitude ratio and differential current harmonic wave
11/06/2013	CN101876680B Method and device for assessing protection performance of surge protection device
11/06/2013	CN101581764B Key press detecting circuit
11/06/2013	CN101277012B Fast impedance protection technique immune to dynamic errors of capacitive voltage transformers
11/05/2013	US8575917 Multirange load detection circuitry
11/03/2013	CA2814526A1 Optical sensor for non-contact voltage measurement
10/2013
10/31/2013	WO2013162472A1 Method and apparatus for detecting railway system defects
10/31/2013	WO2013160538A1 Method and apparatus for determining information indicative of cardiac malfunctions and abnormalities
10/31/2013	US20130289910 Control of Delivery of Current Through One or More Discharge Lamps
10/31/2013	US20130289909 Electronic device and method for monitoring parameter values of the electronic device
10/31/2013	US20130285646 Current Measurement For An Electric Heater
10/31/2013	US20130285641 Ground offset monitor and compensator
10/31/2013	DE102012206863A1 Diagnostic device for diagnosis of commutator motor, has evaluation unit to determine current wear condition of one of brushes based on multiple high-frequency voltage peaks during operation of commutator motor
10/31/2013	DE102012103702A1 Vorrichtung zum Nachweis von Überspannung A device for the detection of overvoltage
10/30/2013	EP2657712A2 Asynchronous AC measurement system
10/30/2013	EP2656086A1 Method for the contactless determination of an electrical potential using an oscillating electrode, and device
10/30/2013	CN203261291U Motor drive device
10/30/2013	CN203260949U High-voltage operating rod capable of measuring temperature and load current
10/30/2013	CN203260149U Function failure alarm apparatus for prison high-voltage electric fence
10/30/2013	CN203259633U Automatic testing apparatus for voltage of battery core
10/30/2013	CN203259589U Household energy monitor
10/30/2013	CN203259588U Lightning overvoltage measuring system
10/30/2013	CN203259587U Power guard plate over current value testing system
10/30/2013	CN203259586U Current on-line monitoring integrated system of on-load tap-changer
10/30/2013	CN203259585U Voltage monitor for storage battery of light-duty lorry
10/30/2013	CN203259584U Rope cutting monitoring device
10/30/2013	CN203259583U Dismounting structure of charged display device
10/30/2013	CN203259582U Equipotential charged display with voltage-limiting structure
10/30/2013	CN203259581U Test pencil
10/30/2013	CN203259580U Test pencil
10/30/2013	CN203259579U Electrical test discharging rod having electric polarity indication function
10/30/2013	CN203259578U Level and voltage display circuit of active intrusion infrared detector
10/30/2013	CN203259577U Current sensor for high energy-gathering electric detonation
10/30/2013	CN203259576U Adjustable lead-acid storage battery voltage measuring apparatus
10/30/2013	CN203259575U Closed-loop current sensor
10/30/2013	CN203259574U DC high-voltage detection circuit with high impedance input
10/30/2013	CN203259573U Amorphous material current sensor
10/30/2013	CN203259572U Power line electrical parameter monitoring device
10/30/2013	CN203259571U Storage battery voltage monitor
10/30/2013	CN203259570U Plastic optical fiber reading system for intelligent power grid
10/30/2013	CN203259569U Expansible electric-power measurement apparatus
10/30/2013	CN203259568U Low-current detection circuit in ship application
10/30/2013	CN203259567U Capacitive apparatus live testing device
10/30/2013	CN103380383A Synthesized current sense resistor for wide current sense range
10/30/2013	CN103378602A Distributed type tandem photovoltaic grid connected power generation system and current sampling correcting method
10/30/2013	CN103378579A Method, device, and system for monitoring current provided to load
10/30/2013	CN103377962A Method and system for testing low-voltage differential signals
10/30/2013	CN103376752A Automobile battery module automatic address selection control monitor
10/30/2013	CN103376423A Power detection apparatus
10/30/2013	CN103376409A Phase loss detection method for three-phase motor and detection circuit
10/30/2013	CN103376407A Method and arrangement for diagnosing drivers of contactors, battery, and motor vehicle having such a battery
10/30/2013	CN103376372A Three-phase AFCI detecting device
10/30/2013	CN103376352A Digital voltmeter
10/30/2013	CN103376351A Low-voltage warning method and apparatus for vehicle secondary cell
10/30/2013	CN103376350A Switch-type pulse-controlling current sensor of iron hoop coil
10/30/2013	CN103376349A Transversely-arranged high-current electron beam cross section three-dimensional scanning measurement system
10/30/2013	CN103376348A Method of controlling fault current in system for monitoring and controlling power system
10/30/2013	CN103376347A Load current magnitude indicating instrument
10/30/2013	CN103376346A Low-side current detecting system
10/30/2013	CN103376345A Minimum load current testing device
10/30/2013	CN103376344A Current detecting device and electric energy quality compensation system
10/30/2013	CN103376184A Tendency chart monitoring system based on vacuum environment and application method thereof
10/30/2013	CN102193025B Method and apparatus for determining zero-crossing of AC input voltage to power supply
10/30/2013	CN101980451B Time-interval-adaptation-based power line power frequency communication system and method
10/30/2013	CN101900754B Current sensor
10/30/2013	CN101750174B Pneumatic experimental table for loading electrical actuator
10/29/2013	US8571821 Method for determining the closing time of an electromagnetic fuel injector
10/29/2013	US8570025 Power delivery circuit with load current estimation based on monitoring nodes not on the power delivery path
10/29/2013	US8570024 Non-contact phase identification method and apparatus
10/29/2013	US8570023 System and method for phase load discovery
10/24/2013	WO2013158128A1 High side current sense amplifier
10/24/2013	WO2013087150A3 Method and apparatus for controlling an electric motor on the basis of temperature
10/24/2013	US20130282624 Restaurant Equipment Monitoring and Control System and Method
10/24/2013	US20130278278 Systems and methods for voltage detection
10/24/2013	US20130278275 Sensor for detecting damage to an object
10/24/2013	US20130278251 Current sensor
10/24/2013	US20130278242 Current sensing system and method
10/24/2013	US20130278205 Methods, systems and apparatus for determining whether an accessory includes particular circuitry
10/24/2013	DE102013006747A1 Motorregelvorrichtung mit einem Delta-Sigma-Modulations-AD-Wandler A motor control apparatus with a delta-sigma modulation AD converter
10/24/2013	DE102012206336A1 Datenspeicher für einen elektrischen Energiespeicher Data store for an electrical energy store
10/24/2013	DE102012103386A1 Überwachungsvorrichtung einer Traktionsbatterie eines Flurförderzeugs Monitoring device of a traction battery of a truck
10/24/2013	DE102012015911B3 Diagnoseeinrichtung zur Überprüfung einer Steuersignalleitung Diagnosis means for checking a control signal line
10/24/2013	DE102012007989A1 Method for controlling power dynamics of battery of electrical propelled vehicle, involves setting maximum output current of battery less than specific current output value, if load value amount is larger than load threshold value
10/24/2013	DE102012007616A1 Ladevorrichtung für ein Elektrofahrzeug Charging device for an electric vehicle
10/23/2013	EP2653877A1 Method and device for detecting state of overcurrent protector for battery

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