| Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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| 08/09/2006 | CN1815247A Electric power measuring method and its measuring device |
| 08/09/2006 | CN1815246A Analyzing system and method for terminal power wastage |
| 08/09/2006 | CN1815245A Multifunctional AC parameter measuring instrument and its measuring method |
| 08/08/2006 | US7089126 Diode discovery power level detection |
| 08/08/2006 | US7089125 Distributed asset optimization (DAO) system and method |
| 08/08/2006 | US7089089 Methods and apparatus for retrieving energy readings from an energy monitoring device |
| 08/08/2006 | US7088967 Data-compensating power measurement |
| 08/08/2006 | US7088090 Apparatus and method for monitoring power and current flow |
| 08/08/2006 | US7088089 Power detector with constant voltage decoupling |
| 08/02/2006 | CN1267737C Compensation circuit for phase shift electric meters for direct connection |
| 08/01/2006 | US7085660 Energy management system in a power and distribution system |
| 07/26/2006 | EP1682908A1 Broadband microwave power sensor |
| 07/26/2006 | EP1606636A4 System and method for exact compensation of fundamental phasors |
| 07/26/2006 | CN1808151A Three-phase electric energy metering head |
| 07/25/2006 | US7082374 Energy consumption in electrical drive |
| 07/25/2006 | US7082372 System and method for detecting a device requiring power |
| 07/19/2006 | EP1476763B1 Radio frequency power measurement |
| 07/19/2006 | CN2798103Y Network intelligent electric energy quantity monitor |
| 07/19/2006 | CN1265202C Power arithmetic system |
| 07/18/2006 | US7079972 Apparatus and method for temperature control of integrated circuits |
| 07/18/2006 | US7079962 Automated utility meter reading system with variable bandwidth receiver |
| 07/18/2006 | US7079961 Method and apparatus for measuring impedance of electrical component under high interference conditions |
| 07/18/2006 | US7078925 Method and apparatus for detecting and correcting wiring errors in power monitoring applications |
| 07/12/2006 | CN1800864A Reactive power measurement method based on digital filtering and measurement system thereof |
| 07/06/2006 | US20060149691 Method and system for enablement and management of ad hoc electric energy consumption |
| 07/04/2006 | US7072779 Power management integrated circuit |
| 06/29/2006 | US20060142961 Enterprise energy management system |
| 06/29/2006 | US20060142960 Method of calculating effective power relating to capacitor, method of measuring effective power consumed by capacitor, capacitor selection method, calculation apparatus for calculating effective power relating to capacitor, and recording medium storing the calculation program therefor |
| 06/28/2006 | CN1793987A High voltage signal sampling method capable of adapting metering measuring or protection requirement |
| 06/27/2006 | US7069161 System for managing resource infrastructure and resource consumption in real time |
| 06/22/2006 | WO2006063953A1 Battery powered device for an power meter and the power meter |
| 06/15/2006 | WO2005091958A3 Power line sensors and systems incorporating same |
| 06/15/2006 | US20060129339 Power meter |
| 06/14/2006 | EP1668450A2 Wide-area electrical demand and supply management |
| 06/14/2006 | DE10334517B4 Messgerät für elektrische Energie für ein Wechselstromnetz Meter for measuring electrical power for an alternating current network |
| 06/13/2006 | US7062647 Method and apparatus for reducing the power consumed by a computer system |
| 06/13/2006 | US7061316 High frequency power detector with dBm-linear characteristic and method of regulating the power of an electrical HF-oscillation |
| 06/13/2006 | CA2529768A1 Power meter |
| 06/07/2006 | EP1214604B1 Method, system and apparatus for remote measuring of electrical power |
| 06/01/2006 | US20060116830 Methods and systems for identifying recurrent patterns |
| 05/31/2006 | EP1660892A1 Dual signal rf power level detector |
| 05/31/2006 | EP1660891A2 Method and apparatus for measuring impedance of electrical component under high interference conditions |
| 05/31/2006 | CN2784938Y Broad rim coupler for detecting mobile phone circuit power |
| 05/31/2006 | CN1781026A System and method for exact compensation of fundamental phasors |
| 05/30/2006 | US7054769 Statistical method and apparatus for monitoring parameters in an electric power distribution system |
| 05/25/2006 | US20060111860 System and method for monitoring and managing electrical power transmission and distribution networks |
| 05/24/2006 | CN2783604Y Intelligent power monitor controller |
| 05/23/2006 | US7050913 Method and apparatus for monitoring power quality in an electric power distribution system |
| 05/23/2006 | US7049805 Radio frequency power measurement |
| 05/18/2006 | WO2006052524A1 Current sensing bar |
| 05/18/2006 | US20060106741 Utility monitoring system and method for relaying personalized real-time utility consumption information to a consumer |
| 05/09/2006 | US7043459 Method and apparatus for metering electricity usage and electronically providing information associated therewith |
| 05/09/2006 | US7043380 Programmable electricity consumption monitoring system and method |
| 05/03/2006 | CN2777559Y Powder detecting circuit |
| 05/02/2006 | US7039532 Method and apparatus for reading and controlling utility consumption |
| 04/27/2006 | WO2006018784A3 High accuracy power detector for handset applications |
| 04/21/2006 | CA2487050A1 Power monitor sensor |
| 04/20/2006 | US20060085148 Load information display device and circuit breaker |
| 04/20/2006 | US20060085147 Automated utility meter reading system with variable bandwidth receiver |
| 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 | EP1476765B1 Radio frequency power generation and power measurement |
| 04/19/2006 | EP1444527A4 A method and apparatus for reading and controlling electric power consumption |
| 04/19/2006 | EP1437023B1 Amplifier power detection circuitry |
| 04/19/2006 | CN1252478C Method for transmitting and storing value and value store electric power meter using the same |
| 04/18/2006 | US7031854 Universal power measurement SoC and measuring method |
| 04/18/2006 | US7030600 Broadband microwave power sensor |
| 04/18/2006 | CA2487096A1 Prioritized interrupt for waveform measurement |
| 04/13/2006 | US20060080052 Determining a difference between a level of power to be supplied and an estimate |
| 04/13/2006 | US20060080051 Power management scheme for external batteries |
| 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 | EP1645886A1 Rechargeable powering system in an electricity meter |
| 04/12/2006 | EP1114326B1 Electricity meter and an input module for an electricity meter |
| 04/12/2006 | CN1759309A Diagnosis for expected life of emergency power apparatus |
| 04/11/2006 | US7027009 Method and apparatus for simultaneous transmission of same frequencies |
| 04/11/2006 | US7026865 Analogue amplifier with multiplexing capability |
| 04/11/2006 | US7026807 Power measurement system |
| 04/06/2006 | WO2006036595A2 System and method for automated configuration of meters |
| 04/06/2006 | DE19948694B4 Verfahren zum Erzeugen von einem eine Pendelung in einem elektrischen Energievesorgungsnetz anzeigenden Signal A method for generating a one oscillation to be displayed in an electrical signal Energievesorgungsnetz |
| 04/05/2006 | CN2769891Y Practical power factor tester |
| 04/05/2006 | CN1757025A Method and apparatus providing prepaid billing for network services using explicit service authorization |
| 04/05/2006 | CN1249443C Power relevance quantity measuring device |
| 04/05/2006 | CN1249442C Measuring circuit arrangement for electricity meters for direct connection |
| 04/04/2006 | CA2350217C Multiple loop antenna |
| 03/30/2006 | US20060069661 System and method for automated configuration of meters |
| 03/30/2006 | US20060066456 Revenue meter with power quality features |
| 03/29/2006 | CN1752883A Stationary reactive compensator monitoring system up position machine software layout method and graphic interface structure |
| 03/29/2006 | CN1247998C Multi-loop detector |
| 03/28/2006 | US7020566 Utility power meter |
| 03/28/2006 | CA2484742A1 Electricity metering with a current transformer |
| 03/28/2006 | CA2269499C Energy meter with power quality monitoring and diagnostic systems |
| 03/27/2006 | CA2484951A1 Method and apparatus for phase determination |
| 03/22/2006 | EP1155333B1 Advanced instrument packaging for electronic energy meter |
| 03/22/2006 | CN1751241A Methods and apparatus for phase compensation in electronic energy meters |
| 03/21/2006 | US7016793 Method and apparatus for anti-islanding protection of distributed generations |
| 03/21/2006 | US7015702 Method for evaluating a measuring signal and corresponding circuit arrangement |
| 03/16/2006 | WO2006027462A1 Equipment control device for providing information about an operating state of the equipment |
| 03/16/2006 | DE102004030161A1 Schlatungsanordnung zum wahlweisen Generieren eines analogen Stromausgangswertes oder eines analogen Spannungsausgangswertes Suppression Tung arrangement for selectively generating an analog current output value or an analog voltage output value |
| 03/15/2006 | CN2765192Y Electric energy comprehensive metering verification vehicle |
| 03/15/2006 | CN1245633C Digital electric power meter |