Optical information recording method, optical information...

Details Optical information recording method, optical information... Optical information recording method, optical information...

2004-05-25

2008-11-11

Hindi, Nabil Z (Department: 2627)

Dynamic information storage or retrieval

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

Mechanism control by the control signal

C369S059110, C369S116000

Reexamination Certificate

active

07450480

ABSTRACT:
A recording and reproducing method is provided in which information can be recorded and reproduced correctly using a simple circuit structure, even with a high transfer rate, and a test record can be performed efficiently in a short time. A laser driving circuit6makes power levels of a front end pulse and a rear end pulse different from a power level of a middle pulse, and a record signal edge correction circuit5corrects an edge position of a recording pulse.

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