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