Recording power adjustment for optical storage apparatus

Details Recording power adjustment for optical storage apparatus Recording power adjustment for optical storage apparatus

1997-10-30

2000-05-23

Huber, Paul W.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 54, G11B 700

Patent

active

060672846

ABSTRACT:
After a first test pattern and a second test pattern were sequentially test written to at least two adjacent tracks by a light emission driving of a laser diode, the adjacent track in which the first test pattern was first test written is reproduced, thereby checking the presence or absence of a data error. When there is the data error, the test writing is repeated while changing a light emitting power until the data error is eliminated. When there is no data error, the light emitting power used in the test writing is set to a recording power.

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