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| Number | Title | Issue Date |
| 6853180 | Measured value acquisition and processing unit for small measuring signals The invention relates to a measured value acquisition and processing unit (5) that facilitates the acquisition and processing of very small measuring signals in the range of interfering signals, such as, for example, noise, spillovers, etc. This means that th... | 02/08/2005 |
| 6275021 | Electricity meter The invention relates to an electricity meter with signal channels that are passed to a digital signal processing device and each of which has a multiplexer with downstream analog/digital converter. Voltage signals of an electrical consumer can be connect... | 08/14/2001 |
| 6239589 | Method and device for compensating for angle errors when measuring electrical power In order to obtain a simple circuit structure for a measuring device with high measuring accuracy, it is provided that current and voltage signals of a load are fed to a multiplexer and, after digitization, are multiplied by one another. In order to compe... | 05/29/2001 |
| 6084394 | Electronic measuring device using a correction factor to compensate for measuring errors An electronic measuring device achieves an improvement in measurement accuracy while at the same time compensating for influences on the measurements, by providing for a correction factor to be stored in a correction element when the measuring device is f... | 07/04/2000 |
| 6078870 | Electricity meter with multiplexers for monitoring measurement channels An electricity meter includes measurement channels. In order to permit an extensive self monitoring of the measurement channels, input signals, in particular detected current signals and voltage signals, are detected in a double manner through different s... | 06/20/2000 |
| 6008635 | Electricity meter An electricity meter with differentiating input converters, in particular current converters, attains improved signal processing by providing a respective analog filter, in particular a low-pass filter, following each of the input converters. In this way,... | 12/28/1999 |
