Optical disk and a method for recording, reproducing, and deleti

Details Optical disk and a method for recording, reproducing, and deleti Optical disk and a method for recording, reproducing, and deleti

1994-11-14

1997-02-04

Nelms, David C.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692753, 3692751, 369279, G11B 1304

Patent

active

056006276

ABSTRACT:
The method of the present invention is for recording, reproducing, and deleting information on and from an optical disk including a plurality of tracks each having M guide grooves (M is an integer equal to or larger than 2) and M-1 land(s) interposed between the adjacent guide grooves, at least one of the land(s) having a group of pits for producing address information. The method includes the step of: focusing light beams on the respective guide grooves and land(s) for effecting the recording, reproduction, and deletion of information. Such an optical disk is also provided.

REFERENCES:
patent: 4879691 (1989-11-01), Suzuki
patent: 4947384 (1990-08-01), Suzuki et al.
patent: 5179547 (1993-01-01), Komaki et al.
patent: 5185730 (1993-02-01), Komaki et al.
patent: 5199022 (1993-03-01), Suzuki et al.
patent: 5383176 (1995-01-01), Inui et al.
Paper of Electronic Information Communications Society, "Development of High Speed Magneto-Optical Disk Drive Using 4 Beam Optical Head", Sep. 25, 1990, MR90 31, pp. 37-44, partial translation.
ISOM/ODS '93 Conference Digest, "Feasibility Study on High Data Transfer Rate of 300 Mbit/s with 8-beam Laser Diode Array", 1993, pp. 53-54.

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