Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
Patent
1997-03-21
1998-08-04
Edun, Muhammad N.
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Mechanism control by the control signal
369 32, 369 58, 369 59, G11B 700
Patent
active
057904871
ABSTRACT:
An optical information recording medium includes a track storing information in a plurality of sectors, wherein the track is formed spirally or concentrically. One sector includes a plurality of frames and one frame includes a resync mark region, a frame address region, an information region, and a postamble region. In the information region in the first frame, identification information for identifying the position of the sector is stored. In the information region in each frame, information obtained as a result of scrambling performed based on a value of the identification information is stored.
REFERENCES:
patent: 4516163 (1985-05-01), Masuda et al.
patent: 4788685 (1988-11-01), Sako et al.
patent: 5418852 (1995-05-01), Itami et al.
Fukushima Yoshihisa
Hirose Namio
Moriya Mitsurou
Yamaguchi Osamu
Edun Muhammad N.
Matsushita Electric - Industrial Co., Ltd.
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