Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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11/15/2012 | US20120286805 Loading state determiner, load assembly, power supply circuit and method for determining a loading state of an electric power source |
11/15/2012 | US20120286770 Lighting systems |
11/15/2012 | US20120286769 Current sensing device for a multi-phase switched voltage regulator |
11/15/2012 | US20120286763 Method of use of a field-effect transistor, single-electron transistor and sensor |
11/15/2012 | DE102011100392B4 Verfahren und Schaltungsanordnung zur Überwachung eines Sicherheitsstromkreises Method and circuit arrangement for monitoring a safety circuit |
11/15/2012 | DE102011078698B3 Electrical current measuring circuitry of control system used for controlling servo-drive of automation system, has analog filter to carry out frequency-dependent amplification of measuring signal from which current value is measured |
11/15/2012 | DE102011075696A1 Leiterplatte für ein Haushaltsgerät, Haushaltsgerät und Verfahren zum Betreiben eines Haushaltsgeräts Circuit board for a household appliance, home appliance and method for operating a household appliance |
11/14/2012 | EP2521922A1 Current sensing devices and methods |
11/14/2012 | CN202535281U Third-stage power supply circuit used for MOA resistive current detection system |
11/14/2012 | CN202535264U Second-stage power supply circuit used for MOA resistive current detection system |
11/14/2012 | CN202534806U Acousto-optic electric leakage inspection alarm cable hook |
11/14/2012 | CN202534596U Relay spring leaf adjusting sorting device |
11/14/2012 | CN202533566U Intelligent electronic load apparatus |
11/14/2012 | CN202533540U Device for monitoring leakage current of subway shield door |
11/14/2012 | CN202533535U Three-phase AFCI detection apparatus |
11/14/2012 | CN202533528U Power measurement board |
11/14/2012 | CN202533517U A simple aging and testing device |
11/14/2012 | CN202533512U Full-automation balancing device for high-voltage capacitance bridge |
11/14/2012 | CN202533502U Voltage monitor |
11/14/2012 | CN202533501U Transmission current measuring device |
11/14/2012 | CN202533500U Real-time monitoring device for short-circuit current of near region of transformer |
11/14/2012 | CN202533499U Three-phase combined type overvoltage protection counter with remote display |
11/14/2012 | CN202533498U Intelligent wireless overvoltage protection counting device |
11/14/2012 | CN202533497U Novel voltage detection alarm system for generator with no storage battery |
11/14/2012 | CN202533496U Tube sophisticated line intelligent voltage alarm |
11/14/2012 | CN202533495U Live-line operation tool of live-line display |
11/14/2012 | CN202533494U High-accuracy peak detector |
11/14/2012 | CN202533493U Current sampling circuit applied to intelligent wireless monitor of distribution line |
11/14/2012 | CN202533492U Full-current monitoring apparatus of MOA |
11/14/2012 | CN202533491U Portable monitoring device used for detecting MOA resistive current |
11/14/2012 | CN202533490U CVT monitoring apparatus used for monitoring MOA voltage |
11/14/2012 | CN202533489U Amplification multiple adjusting circuit used for MOA resistive current detection system |
11/14/2012 | CN202533488U Metal oxide arrester (MOA) resistive current detection system |
11/14/2012 | CN202533487U Circuit for measuring MOA resistive current based on capacitive current compensation method |
11/14/2012 | CN202533486U Front-stage amplification circuit used for MOA resistive current detection system |
11/14/2012 | CN202533485U CVT secondary side voltage collection circuit used for CVT monitoring apparatus |
11/14/2012 | CN202533484U Direct current voltage detection module for passive photovoltaic cell |
11/14/2012 | CN202533483U A multichannel battery sampling circuit |
11/14/2012 | CN202533470U Voltage and current signal comprehensive simulator for simple instrument |
11/14/2012 | CN102782920A Voltage detection device for fuel cell |
11/14/2012 | CN102782603A Failsafe oscillator monitor and alarm |
11/14/2012 | CN102782511A Voltage measurement device for assembled battery |
11/14/2012 | CN102782510A Electrical-current detecting apparatus |
11/14/2012 | CN102780435A Driving device for dry-type electric double-on-off automatic transmission actuation motor |
11/14/2012 | CN102780257A Automobile alternating-current generator |
11/14/2012 | CN102779821A Current detection LDMOS (Laterally Diffused Metal Oxide Semiconductor) device integrating sampling resistor |
11/14/2012 | CN102778619A Method for detecting maximum current-carrying capacity of transmission conductor of high-voltage transmission line |
11/14/2012 | CN102778615A Error experiment device of zero sequence voltage mutual inductors |
11/14/2012 | CN102778604A Base station current accurate acquisition transmission unit and transmission implementation method |
11/14/2012 | CN102778603A Optical fiber current sensor signal intelligent system |
11/14/2012 | CN102778602A Zero-cross detection circuit |
11/14/2012 | CN102778601A Overcurrent jitter detection method and protective circuit for high-voltage pulse power supply |
11/14/2012 | CN102778600A Method and device for calibrating current measurement in a driving system with a plurality of driving motors |
11/14/2012 | CN102778599A Method for detecting one-way voltage of solar panel in real time |
11/14/2012 | CN102778598A Fiber bragg grating self-temperature compensating current sensor |
11/14/2012 | CN102141416B Dynamic environment monitor system |
11/14/2012 | CN102103163B Method for measuring arbitrary waveform estimated based on synchronous lock phase and half-wave |
11/14/2012 | CN102072982B Device and system for acquiring very fast transient overvoltage sensing signal |
11/14/2012 | CN102043094B Super-high-temperature high-voltage dust specific resistance measuring device |
11/14/2012 | CN102012486B Voltage measuring tool special for storage battery |
11/14/2012 | CN101634668B Current sensing for a multi-phase dc/dc boost converter |
11/14/2012 | CN101589314B Electronic monitoring of the wiring loom of a motor vehicle for voltage peaks or voltage dips |
11/14/2012 | CN101114827B Power on reset circuit for a digital device including an on-chip voltage down converter |
11/13/2012 | US8312306 Component reliability budgeting system |
11/13/2012 | US8310326 Method and apparatus for adjusting displacement current in an energy transfer element |
11/08/2012 | WO2012117275A3 Current sensor |
11/08/2012 | WO2012114278A3 High precision algorithmically assisted voltage divider with fault detection |
11/08/2012 | US20120283970 Method and device for error-compensated current measurement of an electrical accumulator |
11/08/2012 | US20120283967 State-matrix-independent dynamic process estimation method in real-time for weakly observable measurement nodes without pmu |
11/08/2012 | DE112011100177T5 Stromdetektor Current detector |
11/08/2012 | DE102011122855A1 Verfahren und Vorrichtung zum Messen von Stromgradienten Method and apparatus for measuring current gradient |
11/08/2012 | DE102011100392A1 Circuit arrangement for monitoring safety circuit used for monitoring high voltage component e.g. inverter of electric or hybrid vehicle, has combining unit that combines comparator output signals to generate combined output signal |
11/08/2012 | DE102011100250A1 Temperature-compensated ohmic resistor for use as current sensor in e.g. semiconductor, has body with surfaces lying one above another and parallel to surface of conductive substrate such that terminals are in contact with body surfaces |
11/08/2012 | DE102011075382A1 Method for adjusting phase current measuring units in drive system with multiple electric-motor drive units, involves adding drive units with multi-phase drive motor and supplying common supply line with electrical energy |
11/07/2012 | EP2521158A1 Plasma probe and method for plasma diagnostics |
11/07/2012 | EP2520988A1 Monitoring device for mains monitors |
11/07/2012 | EP2520942A2 Switched capacitance voltage differential sensing circuit with near infinite input impedance |
11/07/2012 | CN202522909U Remote radio parameter monitoring control system |
11/07/2012 | CN202522659U Grid failure intelligent identification system |
11/07/2012 | CN202522620U Ambient temperature compensation large current measurement system based on optical fiber polarization state detection |
11/07/2012 | CN202522619U Current sensing device |
11/07/2012 | CN202522618U Device for carrying out online monitoring on grounding of transformer core |
11/07/2012 | CN202522617U High voltage cable ground circulating current acquisition terminal based on STM32F103V8T6 |
11/07/2012 | CN202522616U Self-calibrating voltage current sampling device for battery separation device |
11/07/2012 | CN202522615U High-voltage electroscope with protective function |
11/07/2012 | CN202522614U Combination tool for detecting charging current and analog voltage |
11/07/2012 | CN202522613U Single-phase electrical network voltage fundamental wave detection device |
11/07/2012 | CN202522612U Pressure measuring board of network filter |
11/07/2012 | CN202522611U Direct-current leakage current sensor |
11/07/2012 | CN202522610U Direct current power supply power failure monitoring device |
11/07/2012 | CN202522609U Automatic monitoring system for work condition information of petroleum pumping unit |
11/07/2012 | CN202522608U Coil of optical fiber current sensor and optical fiber current sensor based on coil |
11/07/2012 | CN202522607U Fast voltage measurement device of whole case of battery for production |
11/07/2012 | CN202522606U Extra-high voltage (EHV) suspended optical current transformer |
11/07/2012 | CN202522605U Magnetic core used for current sensor and corresponding current sensor |
11/07/2012 | CN102770772A Current sensing devices and methods |
11/07/2012 | CN102768300A Current detecting circuit |
11/07/2012 | CN102768299A High-side current sampling circuit |
11/07/2012 | CN102768298A Surge current detection device |
11/07/2012 | CN102768127A Method and device for detecting low voltage heater of automobile air conditioner |