Optical disc and method of printing optical disc

Details Optical disc and method of printing optical disc Optical disc and method of printing optical disc

2004-12-14

2009-02-24

Edun, Muhammad N. (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S275400, C369S044280, C369S053280

Reexamination Certificate

active

07496026

ABSTRACT:
A processor-readable medium comprises processor-executable instructions. The instructions are configured for scanning a reference pattern on a disc to determine a first radial position of the laser, wherein the reference pattern is located at a first nominal distance from a center of the disc and extends to a second nominal distance from the center of the disc, wherein the first and second nominal distances are accurate to within a nominal runout tolerance. The instructions are also configured for reading media ID data on the disc only when the radial position is greater than or equal to the first nominal distance plus the nominal runout tolerance and is less than or equal to the second nominal distance minus the nominal runout tolerance.

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