Patent ID: 7804674

Claim:
An electromagnetic actuator comprising at least one armature ( 3 ), a first coil ( 1 ), a second coil ( 2 ) and one of a control electronics element and a power electronics element, the armature ( 3 ) being slidably mounted between the first coil ( 1 ) and the second coil ( 2 ), the first coil ( 1 ) having an input ( 4 ) and an output ( 7 ), both of which are connected to a first measurement amplifier ( 14 ), the second coil ( 2 ) having an input ( 11 ) and an output ( 13 ), both of which are connected to a second measurement amplifier ( 15 ), the first measurement amplifier ( 14 ) and the second measurement amplifier ( 15 ) being connected to a subtractor ( 16 ), which is connected to a logic unit ( 17 ), and the logic unit ( 17 ) being connected to the one of the control electronics element and the power electronics element.