发明名称 |
Information storing medium, information recording/reproducing apparatus for recording/reproducing information with respect to the same and tracking method using the same |
摘要 |
A magnetic tape has a guide track for optically obtaining a tracking signal and an independent information track for storing information. The magnetic tape is partitioned into different kinds of zones. The guide tracks are provided with grooves or pits serving as tracking marks, and the tracking marks are selectively located in the zones depending on the kind of zone. Thus, the track spacing of the guide tracks in each zone can be increased, so that a tracking control can be performed for a high density recording medium without reducing the spot size of the light.
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申请公布号 |
US2003193845(A1) |
申请公布日期 |
2003.10.16 |
申请号 |
US20030421019 |
申请日期 |
2003.04.21 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
SANO KOUSEI;KADOWAKI SHIN-ICHI |
分类号 |
G11B5/584;G11B5/78;G11B5/82;G11B7/09;G11B11/105;G11B15/60;(IPC1-7):G11B7/095;G11B7/24;G11B5/596;G11B11/00 |
主分类号 |
G11B5/584 |
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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