Method and apparatus for controlling data access rate of an optical disc driver
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United States of America Patent
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Jul 24, 2012
Grant Date -
Jan 6, 2011
app pub date -
May 4, 2010
filing date -
Mar 3, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A method and an apparatus for controlling data access rate of an optical disc player are disclosed. The method includes steps of (1) utilizing a micro-controller to decide whether an action of an instruction of a predetermined data processing is an extraction operation or a play operation; (2) driving the spindle motor and a pick-up head to retrieve data from an optical disc at a first data access rate by the micro-controller while the action of the instruction of the predetermined data processing is an extraction operation; and (3) driving the spindle speed and the pick-up head to retrieve data from the optical disc at a second data access rate which is less than the first data access rate by the micro-controller while the action of the instruction of the predetermined data processing is a play operation.
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