发明名称 APPARATUS AND METHOD FOR FOCUS PULL-IN
摘要 A focus pull-in apparatus and a method thereof are disclosed. The present invention performs the focus pull-in of the optical pickup unit based on the levels of a focus error signal generated when an optical disc rotates, to thereby solve a problem of focus pull-in failure due to the vertical deviation occurring when the optical disc rotates.
申请公布号 EP1668634(A4) 申请公布日期 2007.03.28
申请号 EP20030759023 申请日期 2003.10.29
申请人 SAMSUNG ELECTRONICS CO., LTD. 发明人 PARK, NAM-JOON;HONG, DONG-KI
分类号 G11B7/085;G11B7/00 主分类号 G11B7/085
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