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发明名称
Disk discriminating method and optical disk apparatus
摘要
The number of the layers of a disk is determined based on focus search to be performed after at least two kinds of spherical aberration correction quantities are set.
申请公布号
US2006280082(A1)
申请公布日期
2006.12.14
申请号
US20060367700
申请日期
2006.03.06
申请人
YASUKAWA TAKAKIYO
发明人
YASUKAWA TAKAKIYO
分类号
G11B7/00
主分类号
G11B7/00
代理机构
代理人
主权项
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