Optical disk recording and reproducing apparatus

Details Optical disk recording and reproducing apparatus Optical disk recording and reproducing apparatus

G - Physics

11

B

352/32.2

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

Patent

CA 2021155

An optical disk recording and reproducing apparatus in which during coarse access, an adjustable target speed is obtained using a speed offset value stored in a speed offset memory. The speed offset value being determined between a plurality of reference velocities and a plurality of adjustable offset velocity values. The system also performs fine access within a defined distance from the optical head to the designated track upon completion of the coarse access mode. The speed offset values are continually updated by to improve the accuracy of the coarse access operation saving overall access time.

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