Optical beam positioning at radial location of optical disc using series of segments at edge of optical disc
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United States of America Patent
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app pub date -
Dec 7, 2012
filing date -
Jan 17, 2003
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Abandoned
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Abstract
A reference pattern on the non-data side (or label side) of an optical data storage disc enables optical disc devices to register a position of a laser to an absolute radial location on the disc's non-data side. The absolute radial location serves as a reference track to which that all radial positioning can be referenced.
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