Optical recording medium, optical recording device, and...

Details Optical recording medium, optical recording device, and... Optical recording medium, optical recording device, and...

2011-01-04

2011-01-04

Hindi, Nabil Z (Department: 2627)

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal processing for controlling recording light...

Reexamination Certificate

active

07864646

ABSTRACT:
An optical recording method and optical recording device using a multi-pulse write strategy to record on an optical disc by recording a signal (S152), reading the peak level of signals corresponding to spaces in the recorded signal (S153), comparing the peak levels of the signals corresponding to the spaces separately according to the length of the pattern corresponding to the immediately preceding mark (S156), and modifying the pulse width of the multi-pulses in the write strategy accordingly (S157-S159). An optical recording method and optical recording device can thereby be obtained that can adjust the pulse width of the multi-pulses in the write strategy to the optimum value and perform optimal recording on the optical disc.

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patent: WO00/11668 (2000-03-01), None

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