Tilt focus mechanism for an optical drive
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United States of America Patent
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-
Feb 26, 2008
Grant Date -
Aug 1, 2002
app pub date -
Mar 21, 2001
filing date -
Apr 24, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for dynamically positioning a rotary actuator that positions an objective lens in three dimensions relative to the surface of an optical disk. A first voice coil motor positions the actuator generally in two dimensions parallel to the surface of the disk and a second voice coil motor positions the objective lens generally along an arcuate path orthogonal to the surface of the disk.
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