| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 01/29/2009 | DE19524185B4 Gleichrichterschaltung Rectifier circuit |
| 01/29/2009 | DE102007035093A1 Electrical potential measuring element for high voltage applications, has control layer with input to apply potential to be measured, where applied potential is variable by electrical influence of resistance value of resistor element |
| 01/28/2009 | CN201188602Y Audio amplifying circuit |
| 01/28/2009 | CN201188124Y Non-induction type phase-exchanging signal detector for brushless DC motor |
| 01/28/2009 | CN201188117Y Infrared temperature measurement induction neon-electroscope |
| 01/28/2009 | CN201188116Y Coating type compact sensing head for magnetofluid optical current sensor |
| 01/28/2009 | CN201188062Y Simulator for locomotive debug signal |
| 01/28/2009 | CN201188007Y Bidirectional current display driving circuit for electric bicycle |
| 01/28/2009 | CN101355200A Connecting terminal with alarm device for air conditioner |
| 01/28/2009 | CN101354825A Method and apparatus for measuring wireless ultra-high pressure current |
| 01/28/2009 | CN101354410A DC potential difference meter using slide wire tray |
| 01/28/2009 | CN101354409A Optical current sensor |
| 01/28/2009 | CN101354407A Power supply apparatus |
| 01/28/2009 | CN100455389C Borer having automatic position recoganition function |
| 01/27/2009 | US7483799 Method and apparatus for sampling a power supply current of an integrated circuit, and storage medium onto which is recorded a control program therefor |
| 01/27/2009 | US7483798 Real-time high-speed monitoring of steady state |
| 01/27/2009 | US7482817 Method and an apparatus for measuring the input threshold level of device under test |
| 01/27/2009 | US7482799 High-voltage detecting circuit for saving power in standby mode |
| 01/27/2009 | CA2408376C Battery monitoring system |
| 01/22/2009 | WO2009009878A1 Transformer meter and system for using same |
| 01/22/2009 | WO2008143895A3 Rf detector with crest factor measurement |
| 01/22/2009 | US20090021280 Method and test system for determining gate-to-body current in a floating body FET |
| 01/22/2009 | US20090021240 Circuit tester/jumper |
| 01/22/2009 | US20090021239 Current measuring apparatus, test appartaus, current measuring method and test method |
| 01/22/2009 | US20090021236 Alignment Correction System and Method of Use |
| 01/22/2009 | US20090021235 Methods and systems for detecting dc influence in a current sensor |
| 01/22/2009 | DE102007034699A1 Messvorrichtung und Verfahren zur Ermittlung des elektrischen Potentials und/oder der Stromdichte an einer Elektrode Measuring apparatus and method for determining the electrical potential and / or the current density at an electrode |
| 01/22/2009 | DE102007032300A1 Current sensor for direct current or alternating current measurements, comprises two flux gate sensors, where every flux gate sensor has magnetic core, and current carrying conductor is assigned two conductive sections |
| 01/22/2009 | CA2692864A1 Transformer meter and system for using same |
| 01/21/2009 | EP2017867A2 Measuring device for measuring a periodic analogue signal |
| 01/21/2009 | EP2017631A1 Methods and systems for detecting DC influence in a current sensor |
| 01/21/2009 | EP2017630A2 Measuring device and method for calculating the electric potential and/or current density of an electrode |
| 01/21/2009 | EP2016431A2 Input by-pass circuit for a current probe |
| 01/21/2009 | EP2016204A2 Controlling plasma processing using parameters derived through the use of a planar ion flux probing arrangement |
| 01/21/2009 | CN201185339Y AC sampling module |
| 01/21/2009 | CN201185337Y Multifunctional over-pressure, delaying, display protection switch |
| 01/21/2009 | CN201184992Y System power supply management card and computer host board embedded with the same |
| 01/21/2009 | CN201184906Y Test system for avalanche breakdown voltage overload point |
| 01/21/2009 | CN201184904Y On-line monitoring device for multipoint earthing of transformer iron core |
| 01/21/2009 | CN201184899Y Monitor for electric fire |
| 01/21/2009 | CN201184896Y Voice type over voltage alarm device |
| 01/21/2009 | CN201184895Y Indication device for generating residual current |
| 01/21/2009 | CN201184894Y Apparatus for detecting current intensity and structure for vehicle electrical system |
| 01/21/2009 | CN201184893Y Apparatus for measuring lighting strike parameter |
| 01/21/2009 | CN201184798Y Energy detection sensor combining with infrared detector |
| 01/21/2009 | CN101351719A Device for monitoring cell voltage |
| 01/21/2009 | CN101350518A Method for processing sampling value of digitalization protection test control apparatus |
| 01/21/2009 | CN101349738A Method and apparatus for real time monitoring tandem type accumulator battery voltage |
| 01/21/2009 | CN101349731A Real time evaluating method of voltage stability |
| 01/21/2009 | CN101349714A Method for electrically measuring power line zero sequence impedance by industrial frequency interference source |
| 01/21/2009 | CN101349711A Method and device for calibrating PHS voltage |
| 01/21/2009 | CN100454709C Apparatus for detecting over current of motor in vehicle |
| 01/21/2009 | CN100454024C Magnetic bridge type current sensor, magnetic bridge type current detecting method, and magnetic bridge for use in that sensor and detecting method |
| 01/20/2009 | US7480452 System and method for image capturing |
| 01/20/2009 | US7479776 Hand-held tester and method for local area network cabling |
| 01/15/2009 | WO2009009647A1 Power amprifier amplitude modulator system and method |
| 01/15/2009 | US20090015491 Electromagnetic wave sensor, imaging element and imaging device |
| 01/15/2009 | US20090015239 Transmission Line Sensor |
| 01/15/2009 | US20090015236 Noise diagnosis of operating conditions for an electromagnetic flowmeter |
| 01/15/2009 | US20090015184 System for measuring current in multiple motor coils using a single sensing element |
| 01/15/2009 | DE102007032627A1 Testvorrichtung Test device |
| 01/15/2009 | DE102007031342A1 Method e.g. for gainig information about progression of error current, involves inserting sum current transformer at power supply and power dissipation which run primary and secondary |
| 01/15/2009 | DE102007030172A1 Strommessgerät mit hoher Dynamik und kleiner Zeitkonstante Flow meter with high dynamics and small time constant |
| 01/14/2009 | EP2013630A2 Systems and methods of rf power transmission, modulation, and amplification |
| 01/14/2009 | CN201181839Y Overflowing detection circuit apparatus of permanent magnet synchronous compressor driver |
| 01/14/2009 | CN201181316Y Ultra-low power consumption full-decompression measuring apparatus |
| 01/14/2009 | CN201181315Y Single-phase anti-electricity theft electric energy meter |
| 01/14/2009 | CN201181314Y 高压验电笔 High-voltage electrical inspection pen |
| 01/14/2009 | CN201181313Y High voltage live display device |
| 01/14/2009 | CN201181312Y High voltage live display device |
| 01/14/2009 | CN201181311Y Rain-proof electroscope with electrical insulator |
| 01/14/2009 | CN201181310Y High potential side electric current measurement apparatus |
| 01/14/2009 | CN201181309Y Differential voltage detection type accumulator battery electric voltage monitoring device |
| 01/14/2009 | CN101344572A Chopped wave test circuit and method for semiconductor power device |
| 01/14/2009 | CN101344562A Test method and device for circuit printing plate component |
| 01/14/2009 | CN101344544A Monomer voltage polling module of super capacitor bank |
| 01/14/2009 | CN101344543A Miniature multipath electric fire disaster monitoring alarm |
| 01/14/2009 | CN101344542A Electric field induction type high pressure charge indicator |
| 01/14/2009 | CN101344541A Method for high-precision detecting sensory current |
| 01/14/2009 | CN101344540A Sensing head of optical fiber optical grating Fabry-Perot current sensor and preparation thereof |
| 01/14/2009 | CN101343744A Active interference removing apparatus for buried pipeline |
| 01/14/2009 | CN100452603C Inspecting circuit and method for switching power-supply outputting voltage |
| 01/14/2009 | CN100451664C Voltage detection circuit |
| 01/14/2009 | CN100451663C Power supply level detector |
| 01/13/2009 | US7478333 Animation of a configuration diagram to visually indicate deployment of programs |
| 01/13/2009 | US7477058 Current sensor for measuring an electrical current in a circuit having a plurality of electrical conductors |
| 01/08/2009 | WO2009004888A1 Inverter and method for detecting output voltage of the same |
| 01/08/2009 | WO2009003395A1 A wide range and high accuracy on-line current and temperature measuring device and method |
| 01/08/2009 | US20090010086 Sense amplifier and semiconductor memory device having the same |
| 01/08/2009 | US20090009157 System and method for measuring energy in magnetic interactions |
| 01/08/2009 | DE102008023858A1 Magnetkern für einen Stromsensor mit hoher magnetischer Sättigung Magnetic core for a current sensor with high magnetic saturation |
| 01/07/2009 | EP2012132A1 Consumption and status measurer |
| 01/07/2009 | CN201178304Y Television set having over-current protection for USB port |
| 01/07/2009 | CN201178245Y Switch cabinet operating controller |
| 01/07/2009 | CN201177642Y Electricity test pencil with multiple indication lights |
| 01/07/2009 | CN201177641Y Secondary circuit wiring checking system |
| 01/07/2009 | CN201177615Y Ring workpiece induction current automatic measuring equipment |
| 01/07/2009 | CN101340325A Method and apparatus for detecting critical parameters of multi-sub-card system |
| 01/07/2009 | CN101340083A Bearing current measuring and protecting apparatus of three-phase cage type induction motor |
| 01/07/2009 | CN101340045A Method and apparatus capable of realizing safe hot plug of secondary current loop of transforming plant |