| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 08/18/2005 | DE102004006060A1 Multiple sensor unit under voltage indicating unit uses processor with switched outputs or controller to activate changing colour pattern of display elements |
| 08/18/2005 | DE102004006052A1 Prüfverfahren zum Erfassen eines temperaturabhängigen Betriebsparameters eines elektronischen Bauelementes und Prüfvorrichtung Test method for detecting a temperature-dependent operating parameter of an electronic device and testing unit |
| 08/18/2005 | DE102004003356A1 Vorrichtung zur Funktionsüberwachung Device for monitoring the function |
| 08/17/2005 | EP1564709A2 A method for measuring forward voltage drop |
| 08/17/2005 | EP1221056B1 Sensor for detecting high-frequency oscillations of an electrical voltage and an arrangement of such a sensor |
| 08/17/2005 | EP1137950B1 Voltage sensor |
| 08/17/2005 | CN2718589Y Electric current indicating lamp |
| 08/17/2005 | CN1654968A A method and a device for measuring forward voltage drop of a light emitting element, light source device and thermal printer |
| 08/17/2005 | CN1654966A Transient current measuring method and system for IC chip |
| 08/17/2005 | CN1215685C Main path sampling type multi-port network |
| 08/17/2005 | CN1215404C RMS-DC converter and RMS-DC conversion method |
| 08/16/2005 | US6930496 Range resistors for AC-DC transfer measurements |
| 08/16/2005 | US6930475 Method for the temperature-compensated, electro-optical measurement of an electrical voltage and device for carrying out the method |
| 08/11/2005 | WO2005073737A1 Measurement device, method, program, and recording medium |
| 08/11/2005 | US20050176282 Connector for a measurement element in a battery sensor |
| 08/11/2005 | US20050174826 Methods and apparatuses for peak detection among multiple signals |
| 08/11/2005 | US20050174420 Method and apparatus for measuring forward voltage drop of light emitting element, light source apparatus, and thermal printer |
| 08/11/2005 | US20050174249 Adaptive voltage monitoring |
| 08/11/2005 | US20050174126 Apparatus and method for determining the status of an electric power cable |
| 08/11/2005 | US20050174125 Multiple voltage level detection circuit |
| 08/11/2005 | US20050174102 On-chip analysis & computation of transition behaviour of embedded nets in integrated circuits |
| 08/11/2005 | DE102005001180A1 Einpoliger Spannungsdetektor, insbesondere für oberirdische elektrische Leitung Single-pole voltage detector, in particular for overhead electrical line |
| 08/11/2005 | DE102004001578A1 Integrierte Schaltung und Verfahren zum Erzeugen eines Bereitschaftssignals Integrated circuit and method for generating a ready signal |
| 08/10/2005 | EP1561119A2 Device and method for determining the absence of application of stresses on polyphase electrical transmission lines |
| 08/10/2005 | CN1651923A Current detecting circuit for A/F sensors |
| 08/09/2005 | US6927599 Failsafe for differential circuit based on current sense scheme |
| 08/04/2005 | WO2005072026A1 Electronic ballast with multi-slope current feedback |
| 08/04/2005 | US20050171992 Signal processing apparatus, and voltage or current measurer utilizing the same |
| 08/04/2005 | US20050168343 Process control loop current verification |
| 08/04/2005 | US20050167423 Function-supervising device |
| 08/04/2005 | US20050167266 ECMP system |
| 08/04/2005 | DE19949997B4 Vorrichtung zur Bestimmung der Wirk-und/oder Blindleistung in einem einphasigen elektrischen Wechselspannungssystem und deren Anwendung Device for determining the active and / or reactive power in a single-phase electrical AC voltage system and their uses |
| 08/03/2005 | EP1319188A4 Modular, integrated powerline monitor for non-high voltage applications |
| 08/03/2005 | CN2715168Y A current detection circuit |
| 08/03/2005 | CN2715167Y Induction type high-voltage live-wire display electroscope |
| 08/03/2005 | CN2715166Y AC induced voltage monitor for desk-top computer |
| 08/03/2005 | CN1648680A Apparatus and method for detecting fault of cooling fan |
| 08/03/2005 | CN1213305C Fiber-optic current sensor |
| 07/28/2005 | WO2005069026A1 Fuel cell voltage monitoring system and associated electrical connectors |
| 07/28/2005 | US20050162173 Integrating electrometer amplifying circuit |
| 07/28/2005 | CA2553751A1 Method for separating multichannel signals produced by ac and dc sources from one another |
| 07/28/2005 | CA2552037A1 Fuel cell voltage monitoring system and associated electrical connectors |
| 07/27/2005 | EP1557679A2 High side current monitor |
| 07/27/2005 | EP1557492A2 Apparatus for function monitoring |
| 07/27/2005 | EP1393443B1 Overcurrent detection and protection apparatus for switching element |
| 07/27/2005 | CN2713477Y Automatic calibrator for power current sampling precision |
| 07/27/2005 | CN2713476Y Magnetic sensor for non-contact measurement of high-frequency heavy current |
| 07/26/2005 | US6922319 Adaptively controlled circuit |
| 07/26/2005 | US6922084 Ultra-low power programmable timer and low voltage detection circuits |
| 07/26/2005 | US6922066 Sampler and method of measuring a waveform of a current with jitters reduced |
| 07/21/2005 | US20050160323 Error-examining method for monitor circuit |
| 07/21/2005 | US20050156587 Current sensor |
| 07/21/2005 | DE102004057273A1 Spannungserzeugungsschaltung Voltage generating circuit |
| 07/20/2005 | EP1204873B1 Circuit and method for determining the offset error of a measurement of the coil current of an electromagnetic actuator that is subject to such an offset error |
| 07/20/2005 | EP0991913B1 Element comprising a layer structure and a current-directing means |
| 07/20/2005 | CN2711746Y Test device for applied assembly of field emission display |
| 07/20/2005 | CN2711742Y Voltage measurer for high voltage network of electric power locomotive |
| 07/20/2005 | CN2711741Y Voltage measurer for high voltage network of electric power locomotive |
| 07/20/2005 | CN2711740Y Multi-function electronic electricity test pen |
| 07/20/2005 | CN2711739Y Electrified ground wire detector universal used for electric appliances stepped dow by transformer |
| 07/20/2005 | CN2711738Y Low-voltage composite metering pipe for distribution transformer |
| 07/20/2005 | CN1641363A General power quantity detecting chip and its detecting method |
| 07/20/2005 | CN1211665C Electronic device |
| 07/19/2005 | US6919811 Charger detection and enable circuit |
| 07/19/2005 | US6919720 Peak-to-peak signal detector |
| 07/19/2005 | US6919716 Precision avalanche photodiode current monitor |
| 07/19/2005 | US6919706 Voltage measuring circuit of battery pack |
| 07/14/2005 | WO2005064562A1 Multi-function electric power supply automation system that use plc modem |
| 07/14/2005 | US20050153180 Functional test and demonstration apparatus for fuel cell power system |
| 07/14/2005 | US20050151567 Ac signal level detection circuit |
| 07/14/2005 | US20050151543 Accurate and efficient sensing circuit and method for bi-directional signals |
| 07/14/2005 | US20050151533 Distance tolerant leadless current sensor |
| 07/14/2005 | US20050151524 Modular power supply system including a power status signal generator to perform fast sag detection to input peak voltage |
| 07/14/2005 | DE19913338B4 Ein- oder Mehrweg-HF-Diodengleichrichterschaltung Single- or multi-RF diode rectifier circuit |
| 07/14/2005 | DE10357524A1 Current measurement device for current-carrying cable, especially for motor vehicle, has voltage supply device that generates floating operating voltage at internal d.c. voltage output connected to measurement and evaluation device |
| 07/14/2005 | DE10356453A1 Fensterkomparator und Verfahren für die Bereitstellung einer Fensterkomparatorfunktion Window comparator and method for providing a Fensterkomparatorfunktion |
| 07/14/2005 | DE10354534A1 Schaltungsanordnung zur Spannungserfassung Circuit arrangement for voltage detection |
| 07/13/2005 | EP1552314A2 Sense amplifier with configurable voltage swing control |
| 07/13/2005 | CN2709990Y DC electrical special test pencil |
| 07/13/2005 | CN1639578A Under-voltage detection circuit |
| 07/13/2005 | CN1638277A Comparator circuit and power supply circuit |
| 07/13/2005 | CN1637421A Measuring current on a die |
| 07/13/2005 | CN1210756C 法拉第装置 Faraday device |
| 07/12/2005 | US6917203 Current signature sensor |
| 07/12/2005 | US6917193 Distance tolerant leadless current sensor |
| 07/12/2005 | US6917174 Cost-effective measurement of large machine currents |
| 07/09/2005 | CA2491507A1 Functional test and demonstration apparatus for fuel cell power system |
| 07/07/2005 | WO2005062448A2 Device for producing switch signals for regulating the frequency in a converter in addition to an associated method used to determine the point in time of the switch signal |
| 07/07/2005 | WO2005062062A1 Method and device for supplying an electric consumer with direct current |
| 07/07/2005 | WO2005062061A1 A broad-bandwidth low noise integrator circuit |
| 07/07/2005 | WO2005005995A3 System and method for acquiring voltages and measuring voltage into an electrical service using a non-active current transformer |
| 07/07/2005 | US20050149281 Apparatus for calculating an effective voltage |
| 07/07/2005 | US20050146827 Power line conditioner |
| 07/07/2005 | US20050146319 Live Dead Live - Voltmeter Operability Tester |
| 07/07/2005 | DE20221235U1 Spoked wheel manufacturing method for bicycle, involves inserting spoke attachment unit in spoke attachment chamber through its one of openings, where unit has head suitable for being held inside chamber at spoke attachment seat |
| 07/07/2005 | DE10355861A1 Einheit zum sicheren Messen oder Erkennen eines elektrischen Stroms einer sicherungstechnischen Einrichtung Unit for safe measuring or recognizing an electric current of a device underwriting |
| 07/06/2005 | EP1358492B1 Method for the temperature-compensated, electro-optical measurement of an electrical voltage and device for carrying out the method |
| 07/06/2005 | CN2708552Y Phase loss and anti-phase detection circuit for three-phase power source |
| 07/06/2005 | CN2708325Y Ammeter having audible and visible alarm |
| 07/06/2005 | CN1636143A Method and circuit arrangement for determining the average current consumption of a battery-operated apparatus |