| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 10/03/2007 | CN101047356A Overcurrent detection circuit for electric machine driver |
| 10/03/2007 | CN101047316A System, method, and article of manufacture for determining parameter values associated with an electrical grid |
| 10/03/2007 | CN101046496A Methods of detecting arc faults characterized by consecutive periods of arcing |
| 10/03/2007 | CN101046486A Safe electroscope |
| 10/03/2007 | CN101046485A Abrupt voltage wave calculating system and process |
| 10/03/2007 | CN100340860C Optical fibre current transformer and its loop detector of transformer |
| 10/02/2007 | US7277264 Semiconductor integrated circuit having current detection functionality and power supply unit equipped with the same |
| 10/02/2007 | US7276901 Method for shunt detection in sensors |
| 09/27/2007 | WO2007107689A1 Electric potential sensor |
| 09/27/2007 | WO2007107636A1 Apparatuses and method for studying material properties |
| 09/27/2007 | US20070222301 Methods and apparatus for charging a battery in a peripheral device |
| 09/27/2007 | DE102006033721A1 Verfahren und Vorrichtung zur Vorhersage der Lackschichtdicke Method and apparatus for predicting the resist film thickness |
| 09/27/2007 | DE102006013911A1 Electrical load`s power consumption determining method for use in electrical system of motor vehicle, involves controlling selected load to periodically switch on and off loads with preset frequency during measuring period |
| 09/27/2007 | DE102005029153B4 Vefahren zum Test eines Supraleiters unter erhöhter Stromauslastung in einem aktiv abgeschirmten supraleitenden NMR-Serienmagneten Vefahren to test a superconductor under increased current capacity utilization in an actively shielded superconducting NMR magnet series |
| 09/27/2007 | DE102004028441B4 Verfahren und Vorrichtung zur Ermittlung der Spitzenwerte von periodisch auftretenden Nutzsignalen Method and apparatus for determining the peak values of intermittent useful signals |
| 09/27/2007 | DE102004022719B4 Datengewinnungsverfahren zur Qualitätsbewertung von Elektroenergie Data recovery method for evaluating the quality of electric energy |
| 09/27/2007 | CA2646411A1 Electric potential sensor |
| 09/27/2007 | CA2646062A1 Site analysis methodology and device for testing electric power |
| 09/26/2007 | CN200953035Y Oil pumping unit auxiliary starter |
| 09/26/2007 | CN200953034Y Loading box and power generator circuit testing device |
| 09/26/2007 | CN200953033Y Portable loop remote metering measuring check-up meter |
| 09/26/2007 | CN200953032Y Voltage test circuit |
| 09/26/2007 | CN200953028Y Circuit capable of raising electrostatic current tolerance |
| 09/26/2007 | CN101044679A High-precision zero crossing detector and method thereof |
| 09/26/2007 | CN101043683A Mobile terminal standing detection method, circuit and apparatus thereof |
| 09/26/2007 | CN101043142A DC power cabinet |
| 09/26/2007 | CN101043135A Method for obtaining fault signal of distribution circuit and its application |
| 09/26/2007 | CN101043094A Battery voltage measurement circuit, battery voltage measurement method, and battery electric control unit |
| 09/26/2007 | CN101042419A Method for using neutral line distribution circuit fault signal and application thereof |
| 09/26/2007 | CN101042414A Transformer oil electrified degree automatic detection device |
| 09/26/2007 | CN101042413A Alternating current recognition device |
| 09/26/2007 | CN101042412A Electric loading switching equipment |
| 09/26/2007 | CN100339967C Ion irradiating device |
| 09/26/2007 | CN100339705C Current detecting circuit for A/F sensors |
| 09/25/2007 | US7274226 Power source voltage monitoring circuit for self-monitoring its power source voltage |
| 09/25/2007 | US7274219 Offset independent sense circuit and method |
| 09/25/2007 | US7274186 Temperature compensated and self-calibrated current sensor |
| 09/25/2007 | US7274184 Systems and methods for locating a circuit |
| 09/20/2007 | US20070216395 Method and Circuit Arrangement for the Self-Testing of a Reference Voltage in Electronic Components |
| 09/20/2007 | US20070216393 Current-to-voltage detection circuit |
| 09/20/2007 | DE102006011715A1 Vorrichtung und Verfahren zur Messung einer ersten Spannung und einer zweiten Spannung mit einem Differenzspannungsmesser Apparatus and method for measuring a first voltage and a second voltage with a differential voltage meter |
| 09/20/2007 | DE102005059561B4 Niederohmiger Koaxialwiderstand zur Strommessung Low impedance Koaxialwiderstand for current measurement |
| 09/19/2007 | EP1835598A1 Method and device for indicating an electric discharge inside a bearing of an electric drive system |
| 09/19/2007 | CN200950156Y Non-contact voltage test pencil |
| 09/19/2007 | CN200950155Y Valley bottom voltage detection apparatus |
| 09/19/2007 | CN101040189A High voltage level shifting by capacitive coupling |
| 09/19/2007 | CN101039543A Adjustable height pif probe |
| 09/19/2007 | CN101039025A Low cost arc fault detection technique |
| 09/19/2007 | CN101038308A Method and device for detecting compensation of duplicate supply switching device |
| 09/19/2007 | CN101038307A Electric-shock detecting warning instrument of engineering vehicle |
| 09/19/2007 | CN101038306A Device for online monitoring and overcurrent limiting power transformer iron core grounding current |
| 09/19/2007 | CN101038305A Array giant magnetic impedance effects current sensor |
| 09/18/2007 | US7272520 Method and apparatus for determining a current in a conductor |
| 09/18/2007 | US7271623 Low-power receiver equalization in a clocked sense amplifier |
| 09/18/2007 | US7271597 Electronic device, transmission system, and method for determining connection condition |
| 09/18/2007 | US7271579 AC signal level detection circuit |
| 09/18/2007 | US7271559 Method and switching apparatus for recording the current in an electrical device |
| 09/13/2007 | WO2007069102A3 Current measurement circuit and method |
| 09/13/2007 | WO2006079978A3 Voltage integrator and transformer provided with such an integrator |
| 09/13/2007 | US20070210785 Stud sensing device |
| 09/12/2007 | EP1832884A2 Voltage detection method and voltage detector for implementing it |
| 09/12/2007 | EP1292835B1 Method for measuring a voltage or a temperature and for generating a voltage with any predeterminable temperature dependence |
| 09/12/2007 | CN200947112Y Mechanical electric-magnetic wire sample shifter |
| 09/12/2007 | CN101034806A Dynamic monitoring and expansion system of power transmission line and its expansion method |
| 09/12/2007 | CN101034139A Digital signal processing apparatus |
| 09/12/2007 | CN101034137A Measurement of battery ending discharge voltage and correcting method |
| 09/12/2007 | CN101034114A Over and behind voltage testing circuit |
| 09/12/2007 | CN101034113A Balancer display device of portable equipment and method thereof |
| 09/12/2007 | CN101034112A Four measuring ranges potentiometer |
| 09/12/2007 | CN101034111A Three measuring ranges portable potentiometer |
| 09/12/2007 | CN101034110A Two measuring ranges portable potentiometer |
| 09/12/2007 | CN101034109A Potentiometer with three measurement disks |
| 09/12/2007 | CN101034108A Four measuring ranges portable potentiometer |
| 09/12/2007 | CN101034107A Three measuring ranges DC potentiometer |
| 09/12/2007 | CN101034106A Two measuring ranges potentiometer |
| 09/12/2007 | CN101034105A 携带式电位差计 Portable potentiometer |
| 09/12/2007 | CN101034104A Four measuring ranges portable potentiometer |
| 09/12/2007 | CN101034103A Three measuring ranges potentiometer |
| 09/12/2007 | CN101033990A Optical fiber grating temperature current-sensing device and measurement device thereof |
| 09/12/2007 | CN101033983A High anti-interference alternating-current/magnetic field sensor |
| 09/12/2007 | CN101033686A Device for monitoring start-stop of pumping unit of well and collecting current of up-down stroke current and stroke |
| 09/11/2007 | US7268532 Apparatus and method for calculating offset value for an electric sensor |
| 09/06/2007 | US20070205808 Sense amplifier |
| 09/06/2007 | US20070205807 Signal amplifier |
| 09/06/2007 | US20070205750 Temperature Compensated Current Sensor using Reference Magnetic Field |
| 09/06/2007 | US20070205749 Temperature Compensated and Self-Calibrated Current Sensor using Reference Current |
| 09/06/2007 | DE202007006270U1 Handwerkzeug mit Spannungsanzeige Hand tool with voltage display |
| 09/06/2007 | DE102007001458A1 Verfahren und elektronischer Regler mit Strommessschaltung zur Strommessung mittels Sense-FET und Sigma-Delta-Modulation A method and electronic controller to a power measuring circuit for measuring current by means of the sense FET and sigma-delta modulation |
| 09/06/2007 | DE102006060075A1 Eingangsspannungsmessschaltung Input voltage measurement circuit |
| 09/06/2007 | DE102006050526A1 Sensor-assembly for measuring equipments, has sensor, mounting on pre-determined position in component part, printed circuit board is connected with component part, and mounting, perfectly fitting into pocket shaped molding is used |
| 09/06/2007 | DE102004017487B4 Verfahren zur Übertragung von Schutzsignalen und Anordnung zur Durchführung des Verfahrens Method for transmitting signals and protection arrangement for carrying out the method |
| 09/05/2007 | EP1828896A2 High speed and low power sram macro architecture and method |
| 09/05/2007 | EP1552314A4 Sense amplifier with configurable voltage swing control |
| 09/05/2007 | CN200944126Y ESD protection parameter real-time monitor |
| 09/05/2007 | CN200944124Y Rare earth permanent-magnet magnetic structure of current meter |
| 09/05/2007 | CN101029910A Current inspecting circuit and device |
| 09/05/2007 | CN101029909A DC two-measurement range potential difference meter |
| 09/05/2007 | CN101029908A DC four-measurement range potential difference meter |
| 09/05/2007 | CN101029907A Portable three-measurement range potential difference meter |
| 09/05/2007 | CN101029906A Portable two-measurement range potential difference meter |