Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 13, 2009
Patent Application Number
11395480
Date Filed
March 31, 2006
Patent Primary Examiner
Patent abstract
The present invention relates to a method for correcting the operating point of a focus control loop for a scanner for optical storage media. According to the invention, the method comprises the steps of: extracting from a focus error signal (FE) a signal component caused by vertical wobble of the optical storage medium; integrating the extracted signal component; and correcting the operating point with the aid of the integrated signal.
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