Optical disk apparatus of variable recording velocity with...

Details Optical disk apparatus of variable recording velocity with... Optical disk apparatus of variable recording velocity with...

2006-05-30

2006-05-30

Pham, Hai (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

C347S246000, C369S047530

Reexamination Certificate

active

07053919

ABSTRACT:
In an optical recording apparatus, a detecting section detects disk identification information of an optical disk for selecting a constant which relates to the detected disk identification information. A test OPC section performs test writing operation for OPC at a predetermined linear velocity prior to recording of data so as to obtain a test value. A formulating section formulates an equation expressing a target value in function of a recording linear velocity based on the constant, the predetermined linear velocity and the test value. A running OPC section performs running operation of OPC by monitoring an actual value while irradiating a laser beam for the recording of data at the recording linear velocity. A controlling section controls the power of the laser beam such that the monitored actual value coincides with the target value which is determined by the equation with respect to the recording linear velocity.

REFERENCES:
patent: 6563775 (2003-05-01), Sato
patent: 2002/0031060 (2002-03-01), Mashimo et al.
patent: 2003/0036861 (2003-02-01), Matsumoto
patent: 2003/0043711 (2003-03-01), Mashimo et al.
patent: 2003/0063544 (2003-04-01), Matsumoto

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