Write control method and apparatus for writing optical disk...

Details Write control method and apparatus for writing optical disk... Write control method and apparatus for writing optical disk...

G - Physics

11

B

352/32.1

G11B 7/00 (2006.01) G11B 7/0045 (2006.01) G11B 7/013 (2006.01) G11B 20/10 (2006.01)

Patent

CA 2012513

A write control method for writing optical disk data is disclosed wherein pits are written by a write signal composed of mark signal parts and space signal parts, and the length of each pit represents the optical disk data. The method involves con- verting the mark signal parts to pulses and generating a series of pulse trains which correspond to lengths of the mark signal parts, respectively; controlling the length and/or amplitude of each of the pulse trains in accordance with the length of the space signal part immediately before the mark signal part; and applying successively the controlled pulse trains to a laser irradiation device so that the pits are written.

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