发明名称 DISC DISCRIMINATION METHOD AND APPARATUS
摘要 A method for discriminating a type of disc. The method includes receiving a signal having at least first and second peak points generated by an optical beam reflected from a record layer of the disc, comparing amplitudes of the first and second peak points, and determining the type of the disc based on a result of the comparing step.
申请公布号 US2009080305(A1) 申请公布日期 2009.03.26
申请号 US20080021144 申请日期 2008.01.28
申请人 LEE SEUNG CHEOL 发明人 LEE SEUNG CHEOL
分类号 G11B20/18;G11B7/00 主分类号 G11B20/18
代理机构 代理人
主权项
地址