Optical disk apparatus and method for tracking thereof

Details Optical disk apparatus and method for tracking thereof Optical disk apparatus and method for tracking thereof

2007-10-30

2007-10-30

Edun, Muhammad (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044280, C369S053230, C369S053410

Reexamination Certificate

active

10985895

ABSTRACT:
An optical disk apparatus and method having a pick-up part for emitting a light onto a recording surface of an optical disk and receiving the light reflected from the recording surface of optical disk and a driving part for controlling the pick-up part. The apparatus and method comprise an error detection part for detecting a tracking error based on a distribution of the received and reflected light, when the pick-up part traces vertical movement of the optical-disk according to control of the driving part; a capacity calculation part for calculating capacity of an optical-disk corresponding to the calculated tracking error size; and a tracking control part for resetting a control method of the driving part for the pick-up part to trace a track of the optical-disk based on the calculated capacity. As such, the track of an optical disk may be minutely traced.

REFERENCES:
patent: 6504802 (2003-01-01), Tsukahara et al.
patent: 2006/0193218 (2006-08-01), Kuo
patent: 07-240028 (1995-09-01), None
patent: 08-087760 (1996-04-01), None
patent: 2002-032912 (2002-01-01), None
patent: 2002-279656 (2002-09-01), None

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