Write protect for rewritable compact disks and digital video disks

An apparatus for write protection of a disk. The disk has a central hole (300) and a power calibration area (304). The apparatus comprises a holder (600) adapted to fit into the central hole of the disk, and an abrasive tool (606), rotating around the holder, adapted to abrade the power calibration...

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Bibliographic Details
Main Author TAUGHER, LAWRENCE N
Format Patent
LanguageEnglish
French
German
Published 06.05.2009
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:An apparatus for write protection of a disk. The disk has a central hole (300) and a power calibration area (304). The apparatus comprises a holder (600) adapted to fit into the central hole of the disk, and an abrasive tool (606), rotating around the holder, adapted to abrade the power calibration area when rotated.
Bibliography:Application Number: EP20030016455