发明名称 |
Optical disk and a method for recording, reproducing, and deleting information on and from the optical disk |
摘要 |
The method of the present invention is for recording, reproducing, and deleting information on and from an optical disk including a plurality of tracks each having M guide grooves (M is an integer equal to or larger than 2) and M-1 land(s) interposed between the adjacent guide grooves, at least one of the land(s) having a group of pits for producing address information. The method includes the step of: focusing light beams on the respective guide grooves and land(s) for effecting the recording, reproduction, and deletion of information. Such an optical disk is also provided.
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申请公布号 |
US5600627(A) |
申请公布日期 |
1997.02.04 |
申请号 |
US19940340333 |
申请日期 |
1994.11.14 |
申请人 |
SHARP KABUSHIKI KAISHA |
发明人 |
HIROKANE, JUNJI;KATAYAMA, HIROYUKI;TAKAHASHI, AKIRA;OHTA, KENJI |
分类号 |
G11B7/007;G11B7/013;G11B7/14;(IPC1-7):G11B13/04 |
主分类号 |
G11B7/007 |
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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