Method for writing and reading optical recording medium with var

Details Method for writing and reading optical recording medium with var Method for writing and reading optical recording medium with var

1997-05-29

2000-02-29

Young, W. R.

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

369 59, 369 54, G11B 700

Patent

active

060318007

ABSTRACT:
An apparatus for writing on and reading an overwritable optical disk comprises an identifier detector that identifies a recording condition in the sector to be overwritten, and a delay time controller circuit that sets a variation range of the start point for writing according to the recording condition. The record timing of the modulated data signal is changed at random within the set variation range when overwriting the sector of the optical disk.

REFERENCES:
patent: 5216657 (1993-06-01), Nishiuchi et al.
patent: 5490126 (1996-02-01), Furumiya et al.
patent: 5636194 (1997-06-01), Furumiya et al.
patent: 5712837 (1998-01-01), Horigome et al.
patent: 5748586 (1998-05-01), Kobayashi et al.

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