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)
11/2006
11/08/2006	CN1858599A Voltage check device
11/08/2006	CN1858598A Voltage check device for gas insulation apparatus
11/08/2006	CN1858573A Detecting system and method
11/08/2006	CN1284000C Integrated testing circuit in integrated circuit
11/08/2006	CN1283999C Audible alarm system to prevent earthing in high-voltage cells
11/07/2006	US7132844 Testing device and testing method for testing an electronic device
11/02/2006	WO2006114944A1 Current variation measuring apparatus
11/02/2006	WO2006114727A1 Supply voltage monitoring
11/02/2006	US20060247874 System and method for synchronized phasor measurement
11/02/2006	US20060247873 Apparatus and methods for measurement of analog voltages in an integrated circuit
11/02/2006	US20060244435 Time limit function utilization apparatus
11/02/2006	US20060244434 Time limit function utilization apparatus
11/02/2006	US20060244433 Voltage-impressed current measuring apparatus and current buffers with switches used therefor
11/02/2006	EP1642142B1 Method and circuit arrangement for the self-testing of a reference voltage in electronic components
11/02/2006	EP1350118B1 Voltage detection stick
11/02/2006	DE4428673B4 Vorrichtung zur Bildung einer Steuergröße, welche ein Maß für die Amplitude zweier frequenz- und amplitudengleicher, phasenstarrer sinus- und cosinusförmiger Meßwechselgrößen ist An apparatus for forming a control magnitude which is a measure for the amplitude of two frequency and amplitude equal, phase-locked sine and cosine Meßwechselgrößen
11/02/2006	DE102005019362A1 Electric interface device for transmitting electric power between vehicle and implement has measuring apparatus that is allocated to vehicle interface or actuator which is assigned to vehicle interface
11/02/2006	DE102004014493B4 Verfahren zur Bestimmung der Stromdichteverteilung in Brennstoffzellen A method for determining the current density distribution in the fuel cell
11/02/2006	DE102004001578B4 Integrierte Schaltung und Verfahren zum Erzeugen eines Bereitschaftssignals Integrated circuit and method for generating a ready signal
11/01/2006	CN2834027Y Battery-backed infrared inductive control circuit
11/01/2006	CN2833618Y Anti-theft fault alarm for telephone line
11/01/2006	CN2833617Y Metering anti-theft device for electric power supply and distribution network
11/01/2006	CN1856715A Method of determining a zero point of a current sensor
11/01/2006	CN1856209A Method for controlling screen brightness of electronic device according to battery status
11/01/2006	CN1855594A Fuel cell unit and power generating system using the fuel cell unit
10/2006
10/31/2006	US7129775 Self-mirroring current mirror
10/31/2006	US7129758 Load driving circuit with current detection capability
10/31/2006	US7129724 Plasma probe
10/31/2006	US7129711 Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables
10/31/2006	US7129693 Modular voltage sensor
10/31/2006	US7129692 Current detection equipment and semiconductor device
10/31/2006	US7129689 True RMS converter board
10/26/2006	US20060238688 Liquid-crystal indicator of voltage presence
10/26/2006	US20060238185 Probe storage device, system including the device, and methods of forming and using same
10/26/2006	US20060237660 Beam current measuring instrument and beam current measuring method using same
10/26/2006	DE112004002262T5 Digitale QP Detektionsvorrichtung, Spektrumanalysator aufweisend dieselbe und ein Verfahren zur digitalen QP Detektierung Digital QP detecting device, spectrum analyzer comprising the same and a method for detecting digital QP
10/26/2006	DE10248982B4 Vorrichtung und Verfahren zur Überwachung der Stromaufnahme einer Schaltungsanordnung Apparatus and method for monitoring the current consumption of a circuit arrangement
10/26/2006	DE102005019156A1 Electrical machine`s phase current determination method for motor vehicle, involves transferring operational switching operation at switching arrangement for time period of operation at time interval for determining phase current
10/25/2006	CN2831143Y Strong voltage detection circuit
10/25/2006	CN2831142Y RF induction voltage tester for metal objects
10/25/2006	CN2831141Y Circular ferrite current senser
10/25/2006	CN1853112A Electronic switching circuit, switching circuit test arrangement and method for determining the operativeness of an electronic switching circuit
10/25/2006	CN1851995A Antielectricity wall detecting chip of current-type built-in Digital-to-analog conversion Zero-liue detection interface
10/25/2006	CN1851495A Current mutual inductor in-situ detecting device and method
10/25/2006	CN1851484A Method for detecting shell drain voltage of working appliance (power) equipment and two-step anti-electric-shock scheme
10/25/2006	CN1851483A Electric water heater control chip voltage-limiting time base circuit earth wire live-detecting interface
10/25/2006	CN1851482A Current speed measuring instrument and current speed measuring method
10/25/2006	CN1282294C Apparatus and method of detecting current direction in bridge circuit
10/25/2006	CN1281924C Low cost, high precision measuring method base on voltage frequency conversion principle
10/24/2006	US7127690 Method and system for defect evaluation using quiescent power plane current (IDDQ) voltage linearity
10/24/2006	US7127688 Method and apparatus for determining interactive electromagnetic effects among conductors of a multi-layer circuit
10/24/2006	US7127364 Method of compensating for distorted secondary current of current transformer
10/24/2006	US7127041 Simultaneous tracing of multiple phone/data cables
10/24/2006	US7126413 Method and corresponding circuit structure to correlate the transconductance of transistors of different types
10/24/2006	US7126384 Peak detection circuit with double peak detection stages
10/24/2006	US7126354 Circuit configuration having a load transistor and a current measuring configuration, method for ascertaining the load current in a load transistor, semiconductor component, and measuring configuration
10/24/2006	US7126348 Method and a device for voltage measurement in a high-voltage conductor
10/24/2006	US7126342 Voltage measurement device
10/24/2006	US7126323 Systems and methods for synchronous detection of signals
10/19/2006	WO2006060121A3 Electric arc furnace monitoring system and method
10/19/2006	US20060233034 Circuit and Method for High Speed Sensing
10/19/2006	US20060232303 Sense amplifier for flash memory device
10/19/2006	US20060232266 Undercurrent sense arrangement and method
10/19/2006	US20060232264 Method and device for measuring voltage
10/19/2006	US20060232259 Locator with apparent depth indication
10/19/2006	US20060232258 Distinguishing false signals in cable locating
10/19/2006	DE102005017135A1 Verfahren und Vorrichtung zur Erkennung einer an ein Relais angeschlossenen Last Method and device for detecting a relay connected to a load
10/18/2006	EP1712925A1 Power line monitoring device
10/18/2006	EP1711838A1 A group wiring patching system and method for wire pair identification
10/18/2006	EP1711103A1 Method for separating multichannel signals produced by ac and dc sources from one another
10/18/2006	EP1350329B1 Apparatus and method of enabling communication of data signal via a power transmission cable.
10/18/2006	CN2828884Y Control switch based on electrical measurement and switch control socket
10/18/2006	CN2828836Y Safety and correction voltage monitoring device for fuel cell
10/18/2006	CN2828829Y Safety protection current-limitting alarm device
10/18/2006	CN2828828Y Voltage testing earthing hook
10/18/2006	CN2828827Y Chopsticks-shaped electroprobe
10/18/2006	CN2828826Y Lightning current inductor
10/18/2006	CN1848647A Power line monitoring device
10/18/2006	CN1848582A Electrified wire netting supervisory relay for automatic phase correcting, possessing switch output
10/18/2006	CN1848019A Constant voltage power supply circuit and method of testing the same
10/18/2006	CN1847862A Acoustooptically prompting multifunctional test pencil circuit
10/18/2006	CN1847861A Air core coil current sensor with magnetic core
10/18/2006	CN1280639C Diagnostics for piezoelectric sensor
10/18/2006	CN1280638C 电压检测电路 Voltage detection circuit
10/18/2006	CN1280637C Quick sampling and peak holding check up circuits
10/18/2006	CN1280636C Indicating device for detecting resistance type pressure sensing element with current mode
10/17/2006	US7123104 System and method for measuring current
10/12/2006	WO2006105880A1 Device for supplying power to measuring sensors and transmitting a synchronous clock signal thereto
10/12/2006	US20060229830 Brown out detection circuit and method
10/12/2006	US20060226877 Operational amplifier with less offset
10/12/2006	DE112004002308T5 Sicherheitssystem für Differentialschaltung auf der Basis eines Strommessschemas Safety system for differential circuit on the basis of a current measuring scheme
10/12/2006	DE102005016720A1 Power network monitoring device for diagnosis of phase failure in multiphase supply system, using time shift of zero-crossing point of delta voltage or star voltage of multiphase supply
10/12/2006	DE102005016545A1 Modulrückwand für ein Schaltanlagenmodul, Schaltanlagenmodul und elektrische Schaltanlage Module rear wall of a switching module, switching module and electrical switchgear
10/12/2006	CA2602505A1 Method of monitoring a power distribution unit
10/12/2006	CA2600545A1 Device for supplying power to measuring sensors and transmitting a synchronous clock signal thereto
10/11/2006	EP1710590A1 Method for testing and test system for energy installations
10/11/2006	EP1709843A1 Electronic ballast with multi-slope current feedback
10/11/2006	CN2826782Y Protective electronic combined mutual inductor
10/11/2006	CN2826442Y Digital tester for stray current of underground coal mine
10/11/2006	CN2826439Y Connection device for connecting electroscope and insulating bar

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