| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 05/23/2006 | US7049832 Circuit arrangement and method for determining the load current through an inductive load connected to a supply voltage in a clocked manner |
| 05/23/2006 | US7049830 Sensor device and method for interrogating a sensor device |
| 05/23/2006 | US7049806 Microelectricalmechanical system with improved beam suspension |
| 05/23/2006 | US7049805 Radio frequency power measurement |
| 05/18/2006 | WO2006051843A1 Power supply apparatus |
| 05/18/2006 | WO2006051190A1 Battery sensor device |
| 05/18/2006 | US20060106554 Current sensing lug |
| 05/18/2006 | US20060105475 Fast localization of electrical failures on an integrated circuit system and method |
| 05/18/2006 | US20060103643 Measuring and modeling power consumption in displays |
| 05/17/2006 | EP1657557A1 Current sensing method and current sensing device, power conversion device using this current sensing device, and vehicle using this power conversion device |
| 05/17/2006 | EP1657556A1 Voltage and phase tester |
| 05/17/2006 | EP1657119A2 Synchronous demodulation circuit with precision track-and-hold and peak detecting circuit, occupant detection system comprising such circuit, corresponding demodulation and occupant detection method |
| 05/17/2006 | EP1656565A1 Measuring or test device comprising interchangeable functional units |
| 05/17/2006 | EP1656564A1 Process device with quiescent current diagnostics |
| 05/17/2006 | CN2781392Y Avalanche photodiode temp bias voltage tester |
| 05/17/2006 | CN2781388Y Welding current detecting device of electronic mash welder |
| 05/17/2006 | CN2781387Y All-loop self-check AC high voltage electroscope |
| 05/17/2006 | CN2781386Y Built-in power supply induction high-voltage charged display blocking device |
| 05/17/2006 | CN2781385Y Magnetic core earth structure and earth current measuring device of transformer |
| 05/17/2006 | CN2781384Y Test control platform for start voltage of electroscope |
| 05/17/2006 | CN1773295A Low power and proximity AC current sensor |
| 05/16/2006 | US7047144 Ion detection in mass spectrometry with extended dynamic range |
| 05/16/2006 | US7046045 SOI sense amplifier with cross-coupled bit line structure |
| 05/16/2006 | US7046043 Current-voltage converter circuit and its control method |
| 05/11/2006 | WO2006048232A1 Battery current sensor for a motor vehicle |
| 05/11/2006 | US20060097779 Method and apparatus for sensing current and voltage in circuits with voltage across an LED |
| 05/11/2006 | US20060097731 Accurate and efficient sensing method for bi-directional signals |
| 05/11/2006 | DE10329223B9 Kurzschlußstromsensor Short-circuit current sensor |
| 05/10/2006 | EP1654547A1 Method and circuit arrangement for monitoring the mode of operation of one or more load circuits, especially of a domestic appliance |
| 05/10/2006 | EP1446673B1 Binary voltage indicator |
| 05/10/2006 | CN2779415Y DC bus voltage sampling circuit for full-digital AC servo drive system |
| 05/10/2006 | CN2779414Y AC voltage recognition unit |
| 05/10/2006 | CN2779413Y Online monitoring apparatus for overvoltage of 10KV power system |
| 05/10/2006 | CN2779412Y Multi-channel measurement device for AC/DC interference in pipeline |
| 05/10/2006 | CN2779411Y An air-core coil current sensor for measuring power frequency heavy current |
| 05/10/2006 | CN1255687C Magnetic core sheath free coil magnetic core pack for current sensor |
| 05/09/2006 | US7042558 Eddy-optic sensor for object inspection |
| 05/09/2006 | US7042221 System and method for detecting a narrowband signal |
| 05/09/2006 | US7042135 Current detection circuit and current detection method |
| 05/04/2006 | US20060095219 Electricity metering with a current transformer |
| 05/04/2006 | US20060091877 Method and apparatus for an electric meter |
| 05/04/2006 | DE19819495B4 Spannungsüberwachungsvorrichtung und -Verfahren mit Hysteresecharakteristik Voltage monitoring device and method with hysteresis |
| 05/04/2006 | DE102004050455A1 Verfahren zum Steuern der Elektronenergiequalität eines elektrischen Energieversorgungsnetzes A method for controlling the electrical power quality of electric power supply network |
| 05/03/2006 | EP1652160A1 Process device with loop override |
| 05/03/2006 | CN2777776Y Cable power indicator |
| 05/03/2006 | CN2777558Y Monolithic computer earth wire charged detector with external D/A converter |
| 05/03/2006 | CN2777557Y Monolithic computer earth wire charged detector with built-in D/A converter |
| 05/03/2006 | CN2777556Y Electricity saver for refrigerator and air conditioner |
| 05/03/2006 | CN2777555Y Circuit device for detecting compressor current |
| 05/03/2006 | CN2777553Y Transformer low-voltage meter capable of preventing fraudulent use of electricity |
| 05/03/2006 | CN1767295A Current type electricity-preventing wall detecting chip with switching tube neutral line and earth line detecting interface |
| 05/03/2006 | CN1766658A Voltage detection circuit, overcurrent detection circuit, charging current control system, and voltage detection method |
| 05/03/2006 | CN1766657A Electric current sensing method and device based on polarization degree demodulating |
| 05/03/2006 | CN1766656A Cell on-position detecting method for terminal device |
| 05/03/2006 | CN1766655A Current detection circuit |
| 05/02/2006 | CA2405159C High precision rogowski coil |
| 04/27/2006 | WO2006044035A2 Method and apparatus for an electric meter |
| 04/27/2006 | WO2006043871A1 An apparatus and a method for predicting a fault current |
| 04/27/2006 | WO2006042893A1 Control method and system |
| 04/27/2006 | WO2005075712A3 Ecmp system |
| 04/27/2006 | US20060089814 Current sensing circuit |
| 04/27/2006 | DE19523971B4 Verfahren und Vorrichtung zum Regeln eines Induktionsmotors Method and apparatus for controlling an induction motor |
| 04/27/2006 | DE10040629B4 Diskrete Niedrigststrommessung Discrete lowest current measurement |
| 04/26/2006 | CN2775668Y Self detecting integrated metal oxide lightning arrestor |
| 04/26/2006 | CN1764340A Intelligent road lamp detecting system formed by novel digital current detection sensor |
| 04/26/2006 | CN1254046C Circuit for testing low voltage of input voltage of modem |
| 04/26/2006 | CN1253724C Circuit arrangement for detecting malfunction |
| 04/26/2006 | CN1253719C Current sensor assembly |
| 04/25/2006 | US7034581 Voltage detecting circuit |
| 04/25/2006 | US7034579 High-speed signal level detector |
| 04/25/2006 | US7034562 Oscillation detecting apparatus and test apparatus |
| 04/25/2006 | US7034559 Integrated test circuit in an integrated circuit |
| 04/25/2006 | US7034515 Instantaneous voltage lowering detection device |
| 04/25/2006 | US7033466 Electrochemical stripping using single loop control |
| 04/21/2006 | CA2487050A1 Power monitor sensor |
| 04/20/2006 | WO2005041260A3 A system and method for detecting motion of an electric actuator |
| 04/20/2006 | DE19542989B4 Anordnung zum Erkennen von Drahtunterbrüchen und/oder von Drahtkurzschlüssen in einer Halbleiterschaltung Arrangement for detecting interruptions of wire and / or wire of short circuits in a semiconductor circuit |
| 04/19/2006 | EP1646880A2 Methods and apparatus for monitoring power flow in a conductor |
| 04/19/2006 | CN2774012Y Wireless collector of electric power high-voltage apparatus |
| 04/19/2006 | CN2773695Y Multifunctional voltage detector of vehicle |
| 04/19/2006 | CN1761114A Bus bar current detecting apparatus |
| 04/19/2006 | CN1760681A Voltage detection circuit |
| 04/19/2006 | CN1252480C Amplifier circuit for low voltage current detection |
| 04/19/2006 | CN1252479C Reflection type 'Sage-qinke' interferometer type current transformer prepared from full optical fiber |
| 04/18/2006 | US7031855 Current sense resistor circuit with averaging Kelvin sense features |
| 04/18/2006 | US7030682 Voltage detection circuit and internal voltage generating circuit comprising it |
| 04/18/2006 | US7030635 Device for measuring supply voltage and method thereof |
| 04/18/2006 | US7030599 Hand held voltage detection probe |
| 04/13/2006 | WO2006037243A1 Method for determining zero crossing in a converter |
| 04/13/2006 | US20060080053 Method of measuring unnecessary electromagnetic radiation, apparatus and system for measuring unnecessary electromagnetic radiation |
| 04/13/2006 | US20060076945 Magnetic material detecting device |
| 04/13/2006 | DE202006002267U1 Inductive electrical quantity measurement circuit for contactless measurement of electrical values, e.g. currents, comprises a coil with inductively linked windings with one winding connected to a measurement circuit |
| 04/13/2006 | DE19757573B4 Verfahren und Vorrichtung zum Anzeigen der Richtung eines Energieflusses in elektrischen Wechselspannungsnetzen Method and apparatus for indicating the direction of energy flow in AC electric networks |
| 04/12/2006 | EP1645885A1 Method for the determination of current zero crossing in an inverter |
| 04/12/2006 | CN1250975C Converter |
| 04/12/2006 | CN1250974C Compensating method and device for interfere variable of optical sensor |
| 04/11/2006 | US7027945 Method of self-calibration of pulse rise and fall times |
| 04/11/2006 | US7027939 Method and circuit for detecting a fault of semiconductor circuit elements and use thereof in electronic regulators of braking force and of dynamics movement of vehicles |
| 04/11/2006 | US7026865 Analogue amplifier with multiplexing capability |
| 04/11/2006 | US7026843 Flexible cascode amplifier circuit with high gain for flash memory cells |