Optical disk device with a precise ejection position of a disk tray
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United States of America Patent
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May 22, 2012
Grant Date -
Feb 11, 2010
app pub date -
Aug 4, 2009
filing date -
Aug 7, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
An optical disk device which highly precisely positions a disk tray in an ejection position is provided. A controller of an optical disk device drives the disk tray from a storage position toward an exposed position. When a position immediately before the ejection position is detected by a detecting switch, the velocity is reduced, to allow the disk tray to contact a mechanical stopper, for positioning. The controller measures a movement time to the position immediately before the ejection position, and adjusts the drive voltage to increase or decrease the drive voltage for contact with the mechanical stopper according to the measured time.
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