Optical power calibration at the outer edge of an optical...

Details Optical power calibration at the outer edge of an optical... Optical power calibration at the outer edge of an optical...

2006-01-24

2006-01-24

Hindi, Nabil (Department: 2655)

Dynamic information storage or retrieval

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

Mechanism control by the control signal

Reexamination Certificate

active

06990051

ABSTRACT:
A CD-R/RW drive (optical storage carrier player) includes an access device for writing data on a CD (optical storage carrier). The CD includes a central portion, an inner power calibration area which can provide the optical power calibration 100 times, a data storage area for data writing by a user and a last possible lead-out area, in order from CD center to CD outer edge. The method is to define an outer power calibration area in the last possible lead-out area to perform optical power calibration in this outer power calibration area such that the total number of optical power calibrations for the CD can exceed 100.

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