Triumph Werke Nurnberg A.g.

Norbert F Will

Diethelm Puch

A method and apparatus for positioning a type disc in a balanced force system wherein applied selective forces to effect angular positioning movement from an old to a new position are brought into equilibrium with opposing spring forces. Electronic positioning controls are provided to generate forces for application at different times during a positioning movement whereby positioning movement from one equilibrium position to another is accomplished without damping and without overshoot in the shortest optimum fixed time and with the least expenditure of energy. The electronic positioning controls first apply a force corresponding to a new position and then, midway of the angular positioning distance between the old and the new position, apply a force corresponding to the old position to decellerate positioning movement until natural oscillation about the old position carries the disc to the new position at which time the force corresponding to the new position is again applied to hold the new position.

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Nuremberg, Germany

Norbert F Will