Patents
Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
06/2006
06/20/2006US7064585 Detecting peak signals
06/20/2006US7064556 Frequency rectification tool for shorter waveforms
06/20/2006US7064535 Measurement circuit with improved accuracy
06/20/2006CA2360031C Capacitive test point voltage and phasing detector
06/15/2006WO2006062733A1 Voltage sensing tool
06/15/2006WO2006061289A1 Electrical circuit for controlling a piezoelectric element, particularly of a fuel injection system of a motor vehicle
06/15/2006WO2006019939A3 Apparatus and method for standby lighting
06/15/2006WO2005091958A3 Power line sensors and systems incorporating same
06/15/2006US20060125467 Current-measuring circuit arrangement
06/15/2006US20060125466 LSI, test pattern generating method for scan path test, LSI inspecting method, and multichip module
06/15/2006US20060125464 Connecting sleeve for a bus bar connection in a gas-insulated switchboard system
06/14/2006EP1669768A1 Calibration comparator circuit
06/14/2006EP1669765A1 Circuit configuration for measuring electric current
06/14/2006EP1668380A1 Method of determining a zero point of a current sensor
06/14/2006EP1595151B1 Current monitoring system using bi-directional current sensor
06/14/2006DE102004027676B4 Verfahren und Vorrichtung zum Prüfen wenigstens eines LED-Strangs A method and apparatus for testing at least one LED strand
06/14/2006DE10103481B4 Quasi-Peak-Detektor Quasi-peak detector
06/14/2006CN2788344Y Leakage breaker with indicating light
06/14/2006CN2788207Y 电池短路测试装置 Battery short-circuit tester
06/14/2006CN2788200Y High voltage electric display, lockdown and core phase integral equipment
06/14/2006CN2788199Y Active high-power electric sensor
06/14/2006CN2788198Y 数字化电传感器 Digitization sensor
06/13/2006US7062661 Method for controlling a power supply in an external terminal connection of a personal data assistant
06/13/2006US7061278 Differential narrowband peak detector
06/13/2006US7061225 Apparatus and method thereof for measuring output current from primary side of power converter
06/13/2006US7059897 Rapid exchange system for testing wireless networks
06/08/2006WO2006060387A2 Expandalbe tubular lubrication
06/08/2006WO2006059497A1 Method and device for measuring critical current density of superconductor
06/08/2006WO2006058823A1 Method and circuit for amplifying the input signals of an electronic overcurrent release of low-voltage circuit breakers with a selectable amplification factor
06/08/2006WO2006058808A1 Method for measuring current using a shunt and measuring current device
06/08/2006US20060119341 Precision thin film AC voltage divider
06/08/2006DE19610448B4 Vorrichtung zur optischen Anzeige des Betriebszustandes eines Energieversorgungsnetzes Device for optical indication of the operating state of a power supply network
06/08/2006DE102005057091A1 Vorrichtung und Verfahren zur Spannungsmessung Apparatus and method for voltage measurement
06/08/2006DE102004041886B4 Method for measuring load current in load circuit of semiconductor component, involves balancing voltage difference between voltage drop at sense resistor and at internal load resistance
06/07/2006EP1667009A1 A supply voltage identifier
06/07/2006EP1666892A2 Method and apparatus for digital sampling of electrical waveforms
06/07/2006EP1664811A1 Electronic switching circuit, switching circuit test arrangement and method for determining the operativeness of an electronic switching circuit
06/07/2006EP1664806A2 Method and system for verifying voltage in an electrical system
06/07/2006EP1664805A1 Position detecting device
06/07/2006EP1664804A1 Method and device for measuring voltage
06/07/2006EP1663665A1 The way of sending wishes, greetings and invitations and the packet for the realization of the way of sending wishes, greetings and invitations
06/07/2006EP1573664B1 Device for determining the energy level of an energy store of a mobile data carrier
06/07/2006CN1784607A AC current sensor using triac and method thereof
06/07/2006CN1782719A Method and device for measuring AC electricity
06/07/2006CN1782718A Current detecting device and method
06/07/2006CN1258875C Electronic equipment with CMOS circuit
06/07/2006CN1258769C Semiconductor storage device reading data according to current passing through storage unit while accessing
06/07/2006CN1258700C Voltage detecting circuit
06/06/2006US7058800 System for defining internal variables by selecting and confirming the selected valve is within a defined range of values
06/06/2006US7057909 Current/charge-voltage converter
06/06/2006US7057485 Current transformer for a compensating current sensor
06/06/2006US7057421 Flipflop
06/06/2006US7057407 Probe holder for testing of a test device
06/06/2006US7057401 Electrical wiring inspection system
06/06/2006US7057383 Method for decoupling interference due to bleedover in metallic pipe and cable locators
06/01/2006US20060116831 Measuring method and arrangement
06/01/2006US20060113986 Apparatus and method for measuring voltage
06/01/2006US20060113985 Retractable belt clip for hand-held tool
06/01/2006US20060113984 Phase identification system and method
06/01/2006DE102005056069A1 System und Verfahren zur Bestimmung eines Bruches in einem Ladedraht System and method for determining a break in a charging wire
06/01/2006DE102005051884A1 Electronically commuted motor`s resistance determining method for motor vehicle, involves measuring voltage at motor as current that flows through it under pre set conditions, and determining resistance of motor from voltage and current
06/01/2006DE102004057905A1 Ferroelectric capacitor`s technical characteristic determining method, involves determining electrical currents by creating alternating voltage at capacitor, and deriving current portions from result of subtraction of determined currents
06/01/2006DE102004057869A1 Phase current determining method for controlling electric motor in motor vehicle, involves using multiple connection methods each assigned to a phase of motor
06/01/2006DE102004055039A1 Voltage system for monitoring voltage by creating a reference voltage not subject to temperature and a standard voltage subject to temperature has first and second voltage-creating circuits
06/01/2006DE102004050019A1 Current measurement device, has aperture placed in conductor and completely/partly filled with ferromagnetic material, and magnetic field sensitive sensors placed in areas of material, which are not enveloped by current conducting material
05/2006
05/31/2006EP1275008B1 Circuit arrangement for measuring the current consumption of a transistor-controlled load
05/31/2006CN2784947Y Submarine cable diving detector
05/31/2006CN2784940Y Specialized equipment comparator
05/31/2006CN2784937Y Intelligent voltage sensor
05/31/2006CN1781025A I/F conversion device and photo-detection device
05/31/2006CN1779470A Electric current tester
05/31/2006CN1258094C Electronic induce electroscope with direction discrimination function
05/31/2006CN1258093C High speed driving stage electric current detecting circuit
05/30/2006US7054769 Statistical method and apparatus for monitoring parameters in an electric power distribution system
05/30/2006US7053669 Method for determining the beginning of a second in the signal of a time-signal transmitter
05/30/2006US7053668 SOI sense amplifier with cross-coupled body terminal
05/30/2006US7053601 Microprocessor controlled fault indicator having high visibility LED fault indication
05/30/2006US7053600 Current sensor
05/30/2006US7053599 Method and measuring device for locating enclosed objects
05/30/2006US7053598 Structure for detecting plug/unplug status of phone-jacks by single bit generated by a resistor network
05/25/2006US20060108996 Digital power meter apparatus and method for the same
05/24/2006EP1659690A1 Comparator for input voltages higher than supply voltage
05/24/2006EP1658509A1 System for detecting and locating faults in an electric fence
05/24/2006CN2783604Y Intelligent power monitor controller
05/24/2006CN2783334Y Over current detector
05/24/2006CN2783333Y Circuit for identifying ac voltage by external LED
05/24/2006CN1777026A Voltage comparator circuit with symmetric circuit topology
05/24/2006CN1776985A Shock proof wall detecting chip for current-type detecting interface with time base circuit zero earth wire
05/24/2006CN1776759A Intelligent transformer power line anti theft device
05/24/2006CN1776437A Method for measuring power cable equipment live or not
05/24/2006CN1776436A Standby no-power-comuption detecting device
05/24/2006CN1775299A Apparatus and method for controlling air cleaning
05/24/2006CN1256914C Measurement device for human-body voltage
05/23/2006US7050916 Method for power quality summary and trending
05/23/2006US7050914 Current sensing circuit
05/23/2006US7050913 Method and apparatus for monitoring power quality in an electric power distribution system
05/23/2006US7050281 Device and method for determining rare short circuit
05/23/2006US7049856 High speed peak amplitude comparator
05/23/2006US7049855 Area efficient waveform evaluation and DC offset cancellation circuits
05/23/2006US7049854 sense amplifier having low-voltage threshold transistors