Information recording/reproducing apparatus for optical...

Details Information recording/reproducing apparatus for optical... Information recording/reproducing apparatus for optical...

G - Physics

11

B

G11B 7/135 (2006.01) G11B 7/085 (2006.01) G11B 21/08 (2006.01)

Patent

CA 2080057

An information recording and reproducing apparatus having a motion controller for an optical head capable of moving the optical head to a target position in a short time while eliminating an error to be caused by mechanical elements and without reading a present address during the motion of the optical head from a far jump to a near jump. In the information recording and reproducing apparatus for an optical information recording medium for recording and reproducing information to and from the medium by scanning a light beam from the optical head to a track, the motion of the optical head is controlled by a combination of a far jump driving the optical head and a near jump driving an objective lens assembled with the optical head. During the far jump, the optical head is controlled to move by half the motion distance in an acceleration mode, and by the remaining half in a deceleration mode.

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