| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 01/07/2010 | US20100001765 Sense amplifier for low voltage high speed sensing |
| 01/07/2010 | US20100001715 Folding current sensor |
| 01/07/2010 | US20100001714 Detector for Calculating the Depth of a Buried Conductor |
| 01/07/2010 | US20100001713 System for and Method of Detecting a Buried Conductor |
| 01/07/2010 | US20100001712 System for and Method of Detecting a Buried Conductor |
| 01/07/2010 | DE102008030334A1 Method for contactless measurement of high current in conductor in converter utilized for e.g. hybrid drive in motor vehicle, involves measuring sensors, directly supplying measuring signals and determining current flowing through conductor |
| 01/06/2010 | CN201378797Y Monitoring device for voltage input and current output |
| 01/06/2010 | CN201378348Y Intelligent anti-theft device of power transformer |
| 01/06/2010 | CN201378182Y Voltage flicker measuring device |
| 01/06/2010 | CN201378181Y Monitor for detecting resistive current of arrester without voltage reference volume |
| 01/06/2010 | CN201378180Y Voltage/electric-quantity inquiring circuit for soy milk grinder |
| 01/06/2010 | CN101622544A Electrically insulated current measuring device, electronic trigger, and circuit breaker comprising such a device |
| 01/06/2010 | CN101620247A Electric intelligent display control transmitter |
| 01/06/2010 | CN101620246A Precise detection method of spark in electric precipitation |
| 01/06/2010 | CN101620245A Potential current tester |
| 01/06/2010 | CN100578482C USB equipment detection circuit |
| 01/05/2010 | US7642845 Circuit for creating tracking transconductors of different types |
| 01/05/2010 | US7642788 Voltage measurement instrument and method having improved automatic mode operation |
| 01/05/2010 | US7642768 Current sensor having field screening arrangement including electrical conductors sandwiching magnetic permeability layer |
| 01/05/2010 | US7642766 Method and device for measuring with synchronous detection and correlated sampling |
| 01/05/2010 | CA2398082C Voltage sensor |
| 01/05/2010 | CA2340732C High function, user configurable electricity meter |
| 12/31/2009 | US20090326843 Apparatus and method for detecting temperature/voltage variation of semiconductor integrated circuit |
| 12/31/2009 | US20090326842 Method and system for determining state of charge of an energy delivery device |
| 12/31/2009 | US20090322606 Method and Apparatus for Real Time Clock (RTC) Brownout Detection |
| 12/31/2009 | US20090322312 Passive Mixer Power Detector Method and Apparatus |
| 12/31/2009 | US20090321638 Security inspection door |
| 12/31/2009 | DE102008029679A1 System, Verfahren und elektronische Schaltung für mindestens eine elektronische Schaltungseinheit System, method and electronic circuit for at least one electronic circuit unit |
| 12/30/2009 | WO2009158367A2 Cell diagnostic system and method |
| 12/30/2009 | WO2009158225A2 Pattern recognition approach to battery diagnosis and prognosis |
| 12/30/2009 | WO2009158224A2 Method for battery state-of-health monitoring using battery voltage during vehicle starting |
| 12/30/2009 | WO2009155851A1 A method and device for testing the paramaters of circuit |
| 12/30/2009 | EP2139116A1 Charge-controlling semiconductor integrated circuit |
| 12/30/2009 | CN201374017Y Control circuit for household appliance capable of inquiring electric quantity and voltage in real time |
| 12/30/2009 | CN201373896Y Multifunctional test rod |
| 12/30/2009 | CN201373895Y Online monitoring device of zinc oxide arrester (MOA) |
| 12/30/2009 | CN101617234A Advanced real-time grid monitoring system |
| 12/30/2009 | CN101614766A Circuit for eliminating voltage measurement error of high voltage standard capacitor divider |
| 12/30/2009 | CN101614765A Electric fence exciter circuit and method for controlling stored energy capacity to charge |
| 12/30/2009 | CN101614764A Method for improving sampling effective value precision in alternating current signal |
| 12/30/2009 | CN101614763A Method and device for detecting battery information |
| 12/30/2009 | CN101614762A High precision electric current transducer |
| 12/30/2009 | CN101614761A Current-sensing circuit |
| 12/30/2009 | CN101614760A Electric power monitoring equipment |
| 12/30/2009 | CN100576952C Clip state display method and clip state display apparatus |
| 12/30/2009 | CN100575963C Method for determining zero crossing in a converter |
| 12/30/2009 | CN100575962C Arc root current density distribution test method and device |
| 12/30/2009 | CN100575961C Potentiometer with three measurement disks |
| 12/30/2009 | CN100575960C Three measuring ranges potentiometer |
| 12/30/2009 | CN100575959C Control processing method and device for optical fiber current transformer |
| 12/30/2009 | CN100575889C Optical fiber grating temperature current-sensing device and measurement device thereof |
| 12/29/2009 | US7640119 System for dynamically adjusting operation of a surgical handpiece |
| 12/29/2009 | US7639822 Method of programming a hearing aid by a programming device |
| 12/29/2009 | US7639072 Controlling a power amplifier to transition among amplifier operational classes according to at least an output signal waveform trajectory |
| 12/29/2009 | US7639049 Voltage detecting circuit and battery device using same |
| 12/24/2009 | US20090319210 Voltage detecting apparatus and line voltage detecting apparatus |
| 12/24/2009 | US20090319209 Battery management system and driving method thereof |
| 12/24/2009 | US20090315591 Power up circuit with low power sleep mode operation |
| 12/24/2009 | US20090315538 Signal generating circuit for detecting ground status |
| 12/24/2009 | US20090315537 Sampling module and a method of sampling one or more analogue characteristics of a power transmission system |
| 12/24/2009 | US20090315536 Current sensor arrangement for measurement of currents in a primary conductor |
| 12/24/2009 | US20090314607 Electronic device conveying method and electronic device handling apparatus |
| 12/24/2009 | US20090314051 Method for determination of electrical properties of electronic componets and method for calibration of a measuring unit |
| 12/24/2009 | DE102009019277A1 Spannungsmessung von Hochspannungsbatterien für Hybrid- und Elektrofahrzeuge Voltage measurement of high voltage batteries for hybrid and electric vehicles |
| 12/24/2009 | DE102008029477A1 Stromsensoranordnung zur Messung von Strömen in einem Primärleiter Current sensor arrangement for measuring current in a primary conductor |
| 12/24/2009 | DE102008029475A1 Stromsensoranordnung zur Messung von Strömen in einem Primärleiter Current sensor arrangement for measuring current in a primary conductor |
| 12/23/2009 | WO2009154746A2 Diagnosing battery voltage mis-reporting |
| 12/23/2009 | WO2009153223A1 A combined electrical measurement device |
| 12/23/2009 | WO2009153069A1 Current sensor array for measuring currents in a primary conductor |
| 12/23/2009 | EP2136217A1 Electricity sensor assembly for measuring flows in a primary conductor |
| 12/23/2009 | EP2136216A1 A combined electrical measurement device |
| 12/23/2009 | CN201368905Y Power quality monitoring and recording device of power system |
| 12/23/2009 | CN201368901Y Lightning arrestor wireless monitoring device |
| 12/23/2009 | CN201368896Y Zero-crossing detection circuit |
| 12/23/2009 | CN201368895Y Cable voltage-drop measuring system |
| 12/23/2009 | CN201368894Y Sensor for measuring GIS internal very fast transient over-voltage |
| 12/23/2009 | CN101609590A Setting device of electric fire alarming value and method thereof |
| 12/23/2009 | CN101609136A Voltage transformer secondary voltage drop tester and phase-angle difference testing method thereof |
| 12/23/2009 | CN101609128A Method for testing comprehensive valence of electrolyte of vanadium redox battery and device therefor |
| 12/23/2009 | CN101609124A Grounding detecting method of power supply system of train |
| 12/23/2009 | CN101609117A Testing meter and testing method thereof |
| 12/23/2009 | CN101609116A New method for detecting input phase failure |
| 12/23/2009 | CN101609111A Voltage flicker modulating wave detection method |
| 12/23/2009 | CN101609110A Signal extraction method of resonant tunneling piezoresistive micro-accelerometer |
| 12/23/2009 | CN101609109A Device for measuring critical current of superconducting magnet |
| 12/23/2009 | CN101609108A Method for measuring voltage or current signal and sensor for realizing method |
| 12/23/2009 | CN101608927A System and method for objective self-diagnosis of measurement device calibration condition |
| 12/23/2009 | CN100574034C Output voltage state indicator for power source chip |
| 12/23/2009 | CN100573467C Test board and test system |
| 12/23/2009 | CN100573180C Automatic electric checking machine of dry batteries |
| 12/23/2009 | CN100573172C Method for testing CT yarn cutting through estimating out-of-balance current variation |
| 12/22/2009 | US7635829 Function-supervising device |
| 12/17/2009 | WO2009151889A2 Method for enabling monitoring of power consumption |
| 12/17/2009 | US20090310430 Methods for characterizing device variation in electronic memory circuits |
| 12/17/2009 | US20090309610 Electrical safety devices |
| 12/17/2009 | US20090309575 Multi-output determination circuit |
| 12/17/2009 | US20090309573 Determining output voltage or current in an smps |
| 12/17/2009 | DE202009010214U1 Feststellung der Spannungsfreiheit an dreiadrigen Papier Massekabel im kompensierten Mittelspannungsnetz Finding of no voltage at the three-core cable pulp in compensated MV network |
| 12/16/2009 | EP2133702A1 Synchronous phasor measuring device and inter-bus phase angle difference measuring device employing it |
| 12/16/2009 | EP2133701A1 Current measurement device and processing unit comprising such a device |