| 发明名称 |
DISC-SHAPED, OPTICALLY READABLE INFORMATION CARRIER |
| 摘要 |
The invention relates to a disc-shaped, optically readable information carrier (10) made of plastic material. The disc (10) has a distance member (16) projecting from one side in the form of at least three point-shaped raised portions distributed uniformly in the circumferential direction. |
| 申请公布号 |
WO9962060(A1) |
申请公布日期 |
1999.12.02 |
| 申请号 |
WO1999SE00796 |
申请日期 |
1999.05.11 |
| 申请人 |
TOOLEX ALPHA AB;NAEPPI, JARMO;ZETTERGREN, ULF |
发明人 |
NAEPPI, JARMO;ZETTERGREN, ULF |
| 分类号 |
G11B7/24;(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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