Optical disc apparatus

Details Optical disc apparatus Optical disc apparatus

2005-08-02

2005-08-02

Neyzari, Ali (Department: 2655)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S044260, C369S053440

Reexamination Certificate

active

06925048

ABSTRACT:
An optical disc apparatus according to the present invention is usable for an optical disc including a bar code area and a control data area adjacent to the bar code area in a radial direction of the optical disc. The optical disc apparatus includes an optical head for directing an optical beam toward the optical disc so as to form an optical spot on the optical disc and output a signal in accordance with the optical beam reflected by the optical disc, a bar code area determination section for determining whether or not the optical spot is positioned on the bar code area of the optical disc based on the signal output by the optical head; and a control section for controlling the optical head so that the optical spot moves toward the control data area, when the optical spot is determined to be positioned on the bar code area.

REFERENCES:
patent: 5706047 (1998-01-01), Lentz et al.
patent: 6285762 (2001-09-01), Gotoh et al.
patent: 6285763 (2001-09-01), Gotoh et al.
patent: 6600716 (2003-07-01), Kondo
patent: 10-097771 (1998-04-01), None

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