Schaffner Emv Ag

Norbert Haeberle

Peter Kull

Andrew Cecil Tucker

Peter Arthur Kull

EMC filter, for connection between a mains supply network and a mains-operated appliance to reduce conduction noise between said supply network and said appliance, comprising a voltage divider connected to said mains network, for generating a voltage lower than a voltage of said mains network; rectifying means, connected to an output of said voltage divider, for generating a DC voltage; and an electronic active circuit, supplied by said DC voltage, for absorbing a noise current transmitted between said supply network and said appliance.

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Lommiswil, Switzerland

Norbert Haeberle