G - Physics – 11 – B
Patent
G - Physics
11
B
352/32.21
G11B 7/095 (2006.01) G11B 7/085 (2006.01) G11B 7/09 (2006.01) G11B 7/135 (2006.01) G11B 21/08 (2006.01)
Patent
CA 2011384
A track access control method and apparatus for an optical disk apparatus are disclosed. Where a locus of movement of an object lens through which a write beam and a read beam are projected onto an optical disk upon track accessing is offset from a straight line which passes the center of the optical disk, the positional relationship of the read beam and the write beam is controlled relatively in accordance with a track position so that, at any track position, the read beam and the write beam can be positioned on the same track.
Fetherstonhaugh & Co.
Fujitsu Limited
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