Optical disk substrate and optical disk employing said optical d

Details Optical disk substrate and optical disk employing said optical d Optical disk substrate and optical disk employing said optical d

1993-10-19

1995-12-19

Nelms, David C.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692751, 3692753, 369 94, G11B 7007

Patent

active

054775264

ABSTRACT:
An optical disk substrate which includes a plurality of sectors, tracks alternately formed into lands and grooves in a direction intersecting at right angles with a tracing direction during recording or reproducing of information, a first pit row having address information and formed at a specific position of the track of a predetermined one land or groove, and a second pit row having address information and formed in a different track neighboring the track formed with the first pit row in the tracing direction, and formed at a position deviated longer than a length of the pit row from the specific position. By the above arrangement, the address information can be read without interference, with reduction of waiting time for reading.

REFERENCES:
patent: 4803677 (1989-02-01), Yamaguchi

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