Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
Patent
1999-10-20
2000-12-19
Young, W. R.
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Mechanism control by the control signal
369 54, 369 59, G11B 70045
Patent
active
061635146
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.
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patent: 5712837 (1998-01-01), Horigome et al.
patent: 5748586 (1998-05-01), Kobayashi et al.
Narumi Kenji
Nishiuchi Ken'ichi
Matsushita Electric - Industrial Co., Ltd.
Young W. R.
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