发明名称 Method of accessing information stored in predetermined data area on optical disc and information reproducing apparatus thereof
摘要 A method of accessing an optical disc is disclosed. The method includes: enabling a focus servo control without enabling a tracking servo control, and then moving an optical pick-up unit in a radial direction of the optical disc; obtaining at least a first reference signal and a second reference signal according to a laser beam reflected from the optical disc when the optical pick-up unit is moving in the radial direction; and monitoring at least the first reference signal and the second reference signal to identify a boundary of a predetermined data area on the optical disc.
申请公布号 US8045434(B2) 申请公布日期 2011.10.25
申请号 US20070769709 申请日期 2007.06.28
申请人 MEDIATEK INC. 发明人 HUANG CHENG-CHI;HUANG CHAO-MING
分类号 G11B7/0045 主分类号 G11B7/0045
代理机构 代理人
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