Method and apparatus for automatic adjustment procedure of the optical drive
AssigneeLite-On It Corporation
InventorsChang-Der Liu, Song-Ruei Chen, Rong-Son Jeng, Chih-Chang Cheu, Chun-Cheng Chang
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Abstract
A method and apparatus for automatic adjustment procedure of optical drive are disclosed. The steps of the method include determining tracking error signals of the inner and the outer zone of the disk, respectively. A difference of the tracking error signal between the inner and the outer-diameter zones of the disk is calculated. The difference of the tracking error signal between the inner diameter and the outer diameter of the disc is compensated.
Claims14
A method of automatic adjustment procedure for an optical device, comprising:
- determining a servo signal of inner zone and a servo signal of outer zone for an optical storage disc;
- deciding a difference in said servo signal of inner zone and said servo signal of outer zone;
- acquiring a relation responsive to said difference;
- and
- determining a compensation of servo signal responsive to said relation.
Apparatus of reading and writing a recording medium, comprising:
- processing means for executing a tracking command;
- a servo system for driving an action of servo tracing responsive to said tracking command;
- and
- an optical reading and writing device under control of said servo system,
- wherein said action of servo tracking drives said optical reading and writing device close to and far away a geometric center of said recording medium so as to, in company with said servo system, determine a servo signal of inner zone and a servo signal of outer zone for said recording medium, and said processing means adjusts a servo signal of track on responsive to a difference between said servo signal of inner zone and said servo signal of outer zone and a relation responsive to said difference.
Dependencies are inferred from the claim text.