Laser output circuit for optical disk recording apparatus

Details Laser output circuit for optical disk recording apparatus Laser output circuit for optical disk recording apparatus

2006-10-10

2006-10-10

Miller, Brian E. (Department: 2627)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

Reexamination Certificate

active

07120099

ABSTRACT:
A disk divided into a trial writing region, buffer region, read-in region, program region, and read-out region disposed from an inner peripheral side toward an outer peripheral side is rotated at a constant angular speed. A test signal is recorded in the trial writing region and an outer peripheral region disposed outside the read-out region, the recorded test signals are read, and a laser output value is set based on the reproduced test signals of the two regions.

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