Electricity: electrical systems and devices – Safety and protection of systems and devices – Impedance insertion
Reexamination Certificate
2008-07-30
2010-02-23
Leja, Ronald W (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Impedance insertion
Reexamination Certificate
active
07667937
ABSTRACT:
A control device for an electronic domestic appliance has a control panel of an electrically conducting material and an electronic control system with a mains-connected circuit and a circuit that is galvanically separated from the mains. To protect the electronic control system from electrostatic discharges the control panel is grounded by way of an electrical connection between the control panel and the circuit that is galvanically separated from the mains and also an electrical connection between the galvanically separated circuit and the mains-connected circuit. The latter electrical connection between the galvanically separated circuit and the mains-connected circuit has at least one protection impedance.
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Baumann Thomas
Mangold Harald
Diehl AKO Stiftung & Co. KG
Greenberg Laurence A.
Leja Ronald W
Locher Ralph E.
Stemer Werner H.
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