Patent ID: 7626894

Claim:
An apparatus comprising: a moveable arm for positioning an optical transducer adjacent to a storage medium; a stationary light source; a moveable mirror mounted at a pivot axis of the arm for reflecting light from the light source to the optical transducer; and an actuator for rotating the moveable mirror through an angle of one half of an angle of rotation of the moveable arm, wherein the actuator comprises: a bearing having an inner race and an outer race; a first magnet coupled to the inner race: a second magnet coupled to the outer race; a third magnet coupled to a first end of the mirror and positioned between the first and second magnets, wherein poles of the third magnet are oriented opposite to poles of the first and second magnets; a fourth magnet coupled to the inner race; a fifth magnet coupled to the outer race; and a sixth magnet coupled to a second end of the mirror and positioned between the fourth and fifth magnets, wherein poles of the sixth magnet are oriented opposite to poles of the fourth and fifth magnets.