Optical disc recording method and apparatus

Details Optical disc recording method and apparatus Optical disc recording method and apparatus

2006-02-07

2006-02-07

Klimowicz, William (Department: 2652)

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal processing for controlling recording light...

C369S059120

Reexamination Certificate

active

06996047

ABSTRACT:
An opical disc recording method, comprises the steps of: a) forming a record signal in accordance with input information; b) generating a recording laser beam modulated with the record signal; c) controlling a laser radiation time at a record power for a 16× or higher write-speed to be (n+K)T for a pit length nT, where n=three to eleven, K is a constant (0≦K≦1.6), and T is a unit time corresponding to a pit length or a land length at a write-speed; and d) radiating the recording laser beam alternately at the recording power for the controlled radiating time to form pits and at a non-recording power to form lands toward a record surface of a recordable optical disc.

REFERENCES:
patent: 5367510 (1994-11-01), Ando
patent: 2002/0114232 (2002-08-01), Seong et al.
patent: 2002/0181365 (2002-12-01), Nakajo
patent: 2003/0063539 (2003-04-01), Yashiro
patent: 2000-011382 (2000-01-01), None
patent: 2000-030255 (2000-01-01), None

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