发明名称 |
Optical recording medium and recording method therefor |
摘要 |
The pattern (104) of a desired character or design can be displayed visibly in an information recording area of an optical recording medium by utilizing the interference phenomenon of the reflected light (200a, 200b), which is caused by the different track pitch (P2, P3) from the standard track pitch (P1), wherein the different track pitch (P2, P3) is applied to some part of tracks (103) corresponding to the desired pattern (104) to be displayed visibly.
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申请公布号 |
US6507557(B1) |
申请公布日期 |
2003.01.14 |
申请号 |
US20000527850 |
申请日期 |
2000.03.17 |
申请人 |
VICTOR COMPANY OF JAPAN, LTD. |
发明人 |
OHNO HIROTOSHI;TSUJI FUMITAKA |
分类号 |
G11B7/24;G11B7/007;G11B7/26;G11B23/40;(IPC1-7):G11B7/00 |
主分类号 |
G11B7/24 |
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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