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)
11/2005
11/03/2005US20050243583 Method and circuit for sensing the output current of power sources
11/03/2005US20050242845 Efficient current monitoring for DC-DC converters
11/03/2005US20050242822 Method and device for testing at least one LED strip
11/03/2005US20050242299 Diagnostic system for profiling micro-beams
11/03/2005DE102004018398A1 Verfahren und Vorrichtung zur Versorgung eines Sensors mit einer geregelten Sensorversorgungsspannung Method and apparatus for the supply of a sensor with a regulated sensor supply voltage
11/03/2005DE102004015269A1 Integrierte Schaltung Integrated circuit
11/02/2005CN1692284A Instantaneous voltage lowering detection device
11/02/2005CN1691480A Power supply device and switching power supply device
11/02/2005CN1690721A Circuit and method for high speed sensing
11/02/2005CN1690720A Digital voltage transducer adopting loop oscillating circuit and application thereof
10/2005
10/27/2005WO2005101032A1 Power quality monitoring
10/27/2005WO2005062448A3 Device for producing switch signals for regulating the frequency in a converter in addition to an associated method used to determine the point in time of the switch signal
10/27/2005US20050237835 Circuit and method for high speed sensing
10/27/2005US20050237048 Apparatus and method for operability and live-dead-live testing
10/27/2005DE102004031044A1 Operational amplifier open loop gain electronic test circuit has resistor network connecting input voltage to amplifier terminals with fixed reference voltage on positive input
10/27/2005DE102004022556B3 Selbstkalibrierende Vorrichtung zur Spannungsmessung und Verfahren hierfür Self-calibrating device for measuring voltage and method therefor
10/26/2005EP1588928A2 Method and device for supplying a sensor with a regulated sensor supply voltage
10/26/2005EP1309872B1 Discrete lowest current measurement
10/26/2005CN2736780Y Super low null shift digital voltmeter
10/26/2005CN1687796A Earth wire live detector of voltage comparer providing test signal by transformer
10/26/2005CN1224841C Wireless telemetering system for wire loaded current
10/20/2005WO2005098459A1 Detector of differential threshold voltage
10/20/2005WO2005074661A3 Rf sensor clamp assembly
10/20/2005US20050231871 Three-phase power signal processor
10/20/2005US20050231212 Voltage measurement with automated correction for input impedance errors
10/20/2005US20050231208 Non-load driven fault monitor for electrical circuits
10/20/2005US20050231189 Measurement circuit with improved accuracy
10/20/2005US20050231177 Power supply device and switching power supply device
10/20/2005US20050231175 Power supply apparatus
10/19/2005CN2734417Y Electricity testing tool pliers
10/19/2005CN1684351A Voltage detection circuit, power supply unit and semiconductor device
10/19/2005CN1223861C Apparatus for measuring leakage current and insulation impedance
10/18/2005US6957158 High density random access memory in an intelligent electric device
10/18/2005US6956905 Peak detector circuit
10/18/2005US6956727 High side current monitor with extended voltage range
10/13/2005WO2005096005A1 Measuring circuit for the output of a power amplifier and a power amplifier comprising the measuring circuit
10/13/2005WO2005096001A1 Device for determining the distribution of current density in fuel cells
10/13/2005US20050225360 Voltage detection circuit, power supply unit and semiconductor device
10/13/2005US20050225311 Binary voltage indicator
10/13/2005DE10297753T5 Unterspannungs-Detektionsschaltung Under-voltage detection circuit
10/13/2005DE102004014493A1 Verfahren zur Bestimmung der Stromdichteverteilung in Brennstoffzellen A method for determining the current density distribution in the fuel cell
10/13/2005DE102004013606A1 Vorrichtung zur Messung von Störungen oder Unterbrechungen in der inneren Glättungsschicht in Mittel- und Hochspannungskabeln Apparatus for measurement of disturbances or interruptions in the inner layer smoothing in medium and high voltage cables
10/12/2005CN2733374Y Remote power down monitoring module
10/12/2005CN1682125A Method and device for voltage measurement of an AC power supply
10/12/2005CN1222777C Current mutual induction sampliing circuit and its resetting method
10/11/2005US6954706 Method for measuring integrated circuit processor power demand and associated system
10/11/2005US6954087 Sampling device for a high frequency electrical signal
10/06/2005WO2005093367A2 Stud sensor with floating head
10/06/2005WO2005091958A2 Power line sensors and systems incorporating same
10/06/2005US20050222821 Test system with differential signal measurement
10/06/2005US20050222785 System, method and computer program product for configuring power supply apparatus
10/06/2005US20050218969 Power source voltage monitoring circuit for self-monitoring its power source voltage
10/06/2005US20050218939 Under-voltage detection circuit
10/06/2005US20050218905 Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables
10/06/2005US20050218900 Voltage measuring apparatus
10/06/2005DE202005010711U1 Energy/power supply for showing single loads in a supply voltage shows energy consumption conditions of individual loads
10/06/2005DE102004011458A1 Circuit for producing a controlled operating voltage for a data carrier such as a contactless chip card has charge pump circuit and monitor of output voltage
10/06/2005CA2559666A1 Power line sensors and systems incorporating same
10/06/2005CA2553727A1 Stud sensor with floating head
10/05/2005EP1582885A1 Test system with differential signal measurement
10/05/2005CN2731460Y Theoretical line loss monitor
10/05/2005CN1677640A Test system with differential signal measurement
10/05/2005CN1677114A Voltage measuring apparatus
10/05/2005CA2503685A1 Three-phase power signal processor
10/05/2005CA2464836A1 A novel system for analysis and synthesis of power system signals
10/04/2005US6952654 Methods for calculating the voltage induced in a device
10/04/2005US6952108 Methods for fabricating plasma probes
09/2005
09/29/2005US20050215124 Fuel cell voltage monitoring system and associated electrical connectors
09/29/2005US20050213275 Semiconductor integrated circuit having current detection functionality and power supply unit equipped with the same
09/29/2005US20050213269 Integrated circuit for determining a voltage
09/29/2005US20050212584 Fuse sense circuit
09/29/2005US20050212528 Power supply noise measuring device
09/29/2005US20050212526 Electrical wiring inspection system
09/29/2005US20050212518 Constant contact wheel for close interval survey devices
09/29/2005US20050212505 Measuring devices
09/29/2005US20050212503 Fast faraday cup with high bandwidth
09/29/2005US20050211381 RF sensor clamp assembly
09/29/2005DE102004042719A1 Current sensor has measurement resistance made as narrower length or meander integrated in same material as conductor
09/29/2005DE102004011605A1 Object`s e.g. seat and glass, damages signaling device for e.g. bus, has bridge set to zero if bridge is in equilibrium, where bridge equilibrium gets upset if damages occur in object and bridge outputs signal that is digitally coded
09/29/2005DE10012871B4 Phasenselektiver Gleichrichter Selective phase rectifier
09/28/2005EP1580564A1 Method of determination of current density distribution in fuel cells
09/28/2005CN2729735Y 0.1 H2 electronic ultra-low frequency AC voltage test apparatus
09/28/2005CN1675557A Magnetic bridge type current sensor, magnetic bridge type current detecting method, and magnetic bridge for use in that sensor and detecting method
09/28/2005CN1674246A Semiconductor integrated circuit having current detection functionality and power supply unit equipped with the same
09/28/2005CN1674164A Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables
09/28/2005CN1673756A AC undervoltage detection circuit
09/28/2005CN1220881C Method and device for detecting circuit board signal transmission quality
09/27/2005US6950764 Arrangements to detect and respond to disturbances in electrical power systems
09/27/2005US6949932 Method for monitoring a power supply of a control unit in a motor vehicle
09/27/2005US6949921 Auto-calibration of multiple trip settings in a fault indicator
09/27/2005US6949920 Apparatus for measuring current density of fuel cell
09/26/2005CA2502024A1 Constant contact wheel for close interval survey devices
09/22/2005WO2005088804A1 Intelligent battery switching circuit block for portable devices
09/22/2005WO2005088800A2 Power supply loading indicators and methods
09/22/2005US20050210162 Conductor arrangement for reduced noise differential signalling
09/22/2005US20050209801 Testing device and testing method
09/22/2005US20050208923 High frequency peak detector and applications thereof
09/22/2005US20050207198 Circuit, method and system for providing one or more phase voltages from input voltages
09/22/2005US20050206412 High frequency differential power amplifier
09/22/2005US20050206404 Method for testing a TFT array
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