Optical recording medium, and apparatus and method for recording

Details Optical recording medium, and apparatus and method for recording Optical recording medium, and apparatus and method for recording

1996-05-16

1997-10-21

Edun, Muhammad N.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 47, 369 48, 369 58, G11B 700

Patent

active

056803761

ABSTRACT:
In an optical disk, since a header section has only one recording section for address information, the capacity of memory where a user can freely record data is increased. In an optical disk drive, four laser beams have a fixed positional relation. Based on the address information of a header section read out by at least one of the laser beams and the positional relation among the laser beams, the address information of tracks being scanned by the other laser beams is obtained. It is therefore possible to accurately record or reproduce information on the optical disk.

REFERENCES:
patent: 5173886 (1992-12-01), Satoh et al.
patent: 5450387 (1995-09-01), Uno et al.

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