Inner region identifier for optical disk
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United States of America Patent
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Mar 21, 2006
Issued Date -
N/A
app pub date -
Mar 25, 2002
filing date -
Mar 25, 2002
priority date (Note) -
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Abstract
A first surface optical disk is disclosed that has machine readable code information, such as bar code information, disposed thereon to permit a disk drive or other device to obtain certain basic information regarding the disk in an efficient and reliable manner. The machine readable code may include error detection and error correction code to correct errors, such as those caused by surface dust, that may arise during reading the machine readable code. The machine readable code may be disposed within a portion of a ring on the optical disk. Human readable alphanumeric characters, including graphics, identifying the side of the optical disk and other basic information may also be disposed within the ring.
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