Patent ID: 6552916
Filing Date: 2003-04-22
Classification: G06F,H05K

Abstract:
Arrangement for protection against electrical interference in a control computer controlling at least one external unit, wherein the control computer comprises hardware modules designed to personal computer standards, and at least one of the modules is connected by at least one first lead to at least one means for preventing at least line-conducted interference which is harmful to the modules from reaching the modules, wherein the means for preventing at least line-conducted interference includes a signal adjusting circuit; at least one second lead connecting the means for preventing to the external unit; and the arrangement further comprises means for shielding the modules and the first lead in order to prevent capacitive/inductive transmission of interference, said means for shielding comprising an outer casing enclosing at least the modules and the first lead for shielding the modules and the first lead against electromagnetic radiation, and an inner casing enclosing at least one of the modules and shielding the module against electromagnetic radiation.