发明名称 |
Tracking system in recording/reproducing apparatus |
摘要 |
The present invention generally relates to optical recording/reproducing apparatus, and relates particularly to a tracking system therefor. Tracking pit rows are provided on opposite sides of an information signal recording area. The frequencies of the tracking pit rows differ from each other, such that tracking servo normalizes a detected difference in amplitude between the reproduced signals of the tracking pit rows, resulting in improved tracking accuracy.
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申请公布号 |
US5216646(A) |
申请公布日期 |
1993.06.01 |
申请号 |
US19890435037 |
申请日期 |
1989.11.13 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
IMANAKA, RYOICHI;OKAZAKI, YUKINORI |
分类号 |
G11B7/00;G11B7/004;G11B7/007;G11B7/09 |
主分类号 |
G11B7/00 |
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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