发明名称 |
DISC INSPECTING METHOD AND DISC INSPECTING DEVICE |
摘要 |
A disc inspecting method includes: forming recording marks on a disc; scanning the recording marks from inside to outside or from outside to inside of the disc by a pickup unit to read a reproduction signal while rotating a spindle to move a slider by each predetermined width; acquiring reproduction data from the reproduction signal in a signal acquiring unit; and determining whether or not the reproduction data is proper in a calculation unit, and optimizing a formation condition of the recording marks when it is determined that the reproduction data is not proper. |
申请公布号 |
US2012087222(A1) |
申请公布日期 |
2012.04.12 |
申请号 |
US201113235836 |
申请日期 |
2011.09.19 |
申请人 |
KOBAYASHI HIROAKI;AIDA TORU;SUZUKI AKITOSHI;SONY DADC CORPORATION;SONY CORPORATION |
发明人 |
KOBAYASHI HIROAKI;AIDA TORU;SUZUKI AKITOSHI |
分类号 |
G11B20/18 |
主分类号 |
G11B20/18 |
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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