Electricity meter

Details Electricity meter Electricity meter

1998-03-04

1999-12-28

Do, Diep N.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

324107, G01R 1132

Patent

active

060086351

ABSTRACT:
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, voltage peaks are limited for electronics downstream. Adulteration of measured signals caused by filters is compensated for by a digital filter in a downstream signal processing.

REFERENCES:
patent: 3226641 (1965-12-01), Miller et al.
patent: 4992725 (1991-02-01), Komatsu et al.
patent: 5301121 (1994-04-01), Garverick et al.
patent: 5315236 (1994-05-01), Lee

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