Method and system for sensing a shock in optical disk device
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United States of America Patent
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Mar 17, 2009
Grant Date -
Sep 1, 2005
app pub date -
Mar 12, 2003
filing date -
Mar 20, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a method and system enabling to remove a noise effectively by establishing types of shocks that may occur possibly and by sensing a shock using the error corresponding to the shock. The present invention includes the steps of reading a data recorded on a disk, detecting an error or errors from the read data using CIRC (cross interleaved Reed-Solomon code), counting a number of the detected errors, and of judging whether a shock is generated or not using the counted number of the errors.
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