发明名称 |
Optical disk drive, and method for identifying optical disks mounted thereto |
摘要 |
The frequency components of the groove wobbles of disks are extracted from push-pull signals SPP by first and second filters in a wobble detecting section. The wobble detecting section supplies to the controller the detection levels of the frequency components. The controller identifies the kind of the mounted optical disks based on the detection levels.
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申请公布号 |
US6868051(B2) |
申请公布日期 |
2005.03.15 |
申请号 |
US20010957935 |
申请日期 |
2001.09.21 |
申请人 |
SONY CORPORATION |
发明人 |
OGIHARA KOICHIRO |
分类号 |
G11B7/004;G11B19/12;(IPC1-7):G11B7/00 |
主分类号 |
G11B7/004 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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