Patent ID: 6891710

Claim:
A method for the control cf a proportional magnet ( 3 ) comprising a magnet core ( 10 ), a magnet armature ( 11 ); and a magnet coil ( 12 ) for use to operate a clutch in an automatic vehicle transmission, the method comprising the steps of: (i) connecting the proportional magnet ( 3 ) with an electronic control device (EGS) for operating a control element ( 7 ) in one of a shift valve arid a proportional pressure-control valve ( 1 ); (ii) moving the magnet armature ( 11 ) back and forth between a control region and a magnetic hold position of the magnet armature ( 11 ) and (iii) defining a transition from the control region to hold position, wherein means are provided which recognize the movement of said magnet armature ( 11 ) from the hold position, and for transferring the magnet armature under control from the hold position to the control region.