| Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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| 10/02/2002 | DE10105982A1 Verfahren zur Auswertung eines Messwertes und zugehörige Schaltungsanordnung Method for evaluating a measured value and associated circuitry |
| 10/02/2002 | CN1372714A Remote energy monitoring apparatus and method |
| 10/01/2002 | US6459257 Measuring system for measuring power and/or power factors at at least one measuring point in an a.c. voltage network |
| 10/01/2002 | US6459254 Power sensing RF termination apparatus including temperature compensation means |
| 09/26/2002 | US20020135378 Broadband design of a probe analysis system |
| 09/25/2002 | EP1244133A2 Broadband design of a probe analysis system |
| 09/19/2002 | US20020130712 System and method utilizing on-chip voltage monitoring to manage power consumption |
| 09/17/2002 | US6452413 Signal sensor for rf integrated systems |
| 09/12/2002 | US20020125906 Method and semiconductor component having a device for determining an internal voltage |
| 09/10/2002 | US6448855 Accurate power detection circuit for use in a power amplifier |
| 09/10/2002 | US6448753 Digital meter for measuring alternating current |
| 09/06/2002 | WO2002049195A3 Auxiliary metering apparatus and methods |
| 09/05/2002 | US20020123363 Data-compensating power measurement |
| 09/03/2002 | US6445188 Intelligent, self-monitoring AC power plug |
| 08/28/2002 | EP1235075A2 Power measurement device for motors |
| 08/28/2002 | EP1010015A3 Measuring system for measuring the power and/or the power factor at at least one measuring point in an alternating voltage network |
| 08/28/2002 | CN1366733A Accurate power detection circuit for use in power amplifier |
| 08/22/2002 | WO2002065576A1 Power detector with increased detection range |
| 08/22/2002 | WO2002065144A1 Power metering module |
| 08/22/2002 | WO2002065142A1 Method for evaluating a measuring signal and corresponding circuit arrangement |
| 08/22/2002 | US20020113604 Low-cost power measurement device for a plurality of motors |
| 08/22/2002 | CA2405317A1 Power metering module |
| 08/21/2002 | EP1233518A2 Interface arangement for electronic apparatus |
| 08/21/2002 | CN1089438C Measuring process for measuring chargeable electrical consumption from an electrical network and electronic electricity meter |
| 08/20/2002 | CA2091003C Actual operating time indicator |
| 08/15/2002 | WO2002063319A1 Measuring circuit arrangement for electricity meters for direct connection |
| 08/15/2002 | US20020109499 Power metering module |
| 08/15/2002 | US20020109498 Power detector with increased detection range |
| 08/14/2002 | EP1230555A1 Arrangement for measuring the root mean square of a power frequency voltage across a large dynamic range, especially for measuring electrical output |
| 08/14/2002 | CN2505845Y Three phase electric parameter data collecting and transmitting module |
| 08/08/2002 | WO2002061441A1 Compensation circuit for the phase shift in electric meters for direct connection |
| 08/08/2002 | US20020107648 Methods and apparatus for data transfer in electronic energy meters |
| 08/08/2002 | US20020105317 Device for obtaining the power of the direct current |
| 08/07/2002 | CN1088843C Electronic metering device with automatic service sensor |
| 08/06/2002 | US6429785 Revenue meter having precision time clock |
| 08/06/2002 | US6429643 Device for measuring power using switchable impedance |
| 08/06/2002 | US6429642 Programmable monitoring device for electric consumption |
| 08/06/2002 | US6429637 Electronic power meter with phase and non-linearity compensation |
| 08/01/2002 | US20020101231 Apparatus and method for monitoring power and current flow |
| 07/31/2002 | EP1226443A1 Electromagnetic wave sensor |
| 07/31/2002 | EP1010015B1 Measuring system for measuring the power and/or the power factor at at least one measuring point in an alternating voltage network |
| 07/25/2002 | WO2001001159A9 High function, user configurable electricity meter |
| 07/25/2002 | CA2332297A1 Wireless electronic energy meter |
| 07/18/2002 | WO2002056033A1 Electrical energy saving system |
| 07/17/2002 | CN1359009A Microbridge structured thermalcouple type microwave power sensor |
| 07/11/2002 | DE10161965A1 Technik und Einrichtung zum Steuern des Ansprechverhaltens eines Brennstoffzellensystems Technology and means for controlling the response of a fuel cell system |
| 07/09/2002 | US6417792 Single phase bi-directional electrical measurement systems and methods using ADCs |
| 07/09/2002 | US6417729 Linear power control loop |
| 07/04/2002 | WO2002018961A3 Controlling of the temperature of a dut using external current sensors |
| 07/04/2002 | WO2000003262A3 Improvements relating to electrical power measurement |
| 07/03/2002 | CN1356556A 90-deg phose-lock phase shifter for measuring true reactive power |
| 07/02/2002 | US6414476 Current detecting device, impedance measuring instrument and power measuring instrument |
| 06/27/2002 | US20020082785 Technique and apparatus to control the transient response of a fuel cell system |
| 06/26/2002 | EP1217381A2 Multiple virtual meters in one physical meter |
| 06/25/2002 | US6411219 Adaptive radio communication for a utility meter |
| 06/20/2002 | WO2002049195A2 Auxiliary metering apparatus and methods |
| 06/20/2002 | WO2002014880A3 Power sensor |
| 06/20/2002 | WO2001048490A8 System for adaptive radio communication for utility meter |
| 06/20/2002 | US20020077729 Multiple virtual meters in one physical meter |
| 06/20/2002 | US20020074990 Electric energy service apparatus with tamper detection |
| 06/19/2002 | EP1214604A1 Method, system and apparatus for remote measuring of electrical power |
| 06/18/2002 | US6407540 Switched attenuator diode microwave power sensor |
| 06/13/2002 | US20020072334 Method and apparatus for measuring output power of devices for mobile communications |
| 06/13/2002 | US20020071296 Apparatus for metering at least one type of electrical power over a predetermined range of service voltages |
| 06/13/2002 | US20020070786 Diode detection circuit |
| 06/04/2002 | US6400205 Diode detection circuit |
| 06/04/2002 | US6400130 Primary current conductor configurations for a residential electronic meter |
| 05/30/2002 | US20020063635 Point of use digital electric energy apparatus with TCP/ IP network communication |
| 05/29/2002 | EP1209475A1 Data-compensating power measurement |
| 05/29/2002 | CN1085841C Intellectual electric power metering and charging management system |
| 05/28/2002 | US6397157 Method and apparatus for real time measurement of three phase electrical parameters |
| 05/28/2002 | US6397155 Method and apparatus for automatically controlled gain switching of monitors |
| 05/23/2002 | WO2002041585A2 Intelligent appliance home network |
| 05/23/2002 | US20020062198 Apparatus, Method and article of manufacture for utility monitoring |
| 05/21/2002 | US6392400 High linearity, low offset interface for Hall effect devices |
| 05/14/2002 | US6388435 Methods and apparatus for voltage measurement |
| 05/02/2002 | WO2002035245A1 Electronic device |
| 05/02/2002 | EP1200925A1 System and method for frequency compensation in an energy meter |
| 05/02/2002 | EP0879419B1 Electricity measurement apparatus |
| 04/25/2002 | WO2002011349A3 Successive log video pad power detector and method |
| 04/25/2002 | US20020049550 Method and apparatus for displaying electric power elements for video display appliance |
| 04/23/2002 | US6377037 Watt-hour meter with digital per-phase power factor compensation |
| 04/18/2002 | US20020045993 Point of use digital electric energy apparatus with wireless communication port |
| 04/18/2002 | US20020045992 Point of use digital electric energy apparatus and method for measuring out-of-specification energy |
| 04/16/2002 | US6374188 Energy meter with instrumentation systems and methods |
| 04/16/2002 | US6373238 Three-phase electrical power measurement system including three transformers and a measurement circuit to calculate the power thereof |
| 04/16/2002 | US6373236 Temperature compensated power detector |
| 04/11/2002 | WO2002029425A1 Rf power measurement |
| 04/11/2002 | US20020042684 Point of use digital electric energy apparatus with uninterruptible telephone communication |
| 04/11/2002 | US20020042683 Point of use digital electric energy apparatus with real-time dual channel metering |
| 04/11/2002 | US20020041180 High linearity, low offset interface for hall effects devices |
| 04/09/2002 | US6370358 Mobile station having drift-free pulsed power detection method and apparatus |
| 04/04/2002 | WO2002027334A1 Point of use digital electric energy measurement, control and monitoring apparatus |
| 04/04/2002 | US20020039021 RMS power sensor with 84 dB dynamic range |
| 03/28/2002 | US20020036492 Electronic meter having random access memory with passive nonvolatility |
| 03/27/2002 | EP0783786B1 AC load control device having a graphical display |
| 03/26/2002 | CA2198675C Electrical system monitoring apparatus with programmable custom display |
| 03/21/2002 | WO2001080421A3 An accurate power detection circuit for use in a power amplifier |
| 03/21/2002 | WO2001077695A3 Electronic meter having random access memory with passive nonvolatility |
| 03/20/2002 | CN1341214A Utility meter with display during power interruption |