发明名称 |
Magnetic data storage card |
摘要 |
The magnetic data-storage card includes a magnetic data-storage medium layer adhering to the card. The data-storage medium layer includes a plurality of data storage tracks for storing data therein. Each of the tracks having at least an arc-segment wherein each of the data storage tracks being substantially parallel to a neighboring track.
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申请公布号 |
US6307709(B1) |
申请公布日期 |
2001.10.23 |
申请号 |
US19990289276 |
申请日期 |
1999.04.09 |
申请人 |
DCARD, INC. |
发明人 |
LIU JEFFREY F.;KING FRANCIS K. |
分类号 |
G11B5/52;G06K7/08;G06K19/06;G11B5/00;G11B5/008;G11B5/53;G11B5/58;G11B5/596;G11B5/80;G11B7/0033;G11B7/007;G11B7/085;G11B7/09;G11B7/12;G11B7/24;G11B7/26;G11B17/04;G11B21/02;G11B21/04;G11B21/08;G11B25/04;(IPC1-7):G11B23/00 |
主分类号 |
G11B5/52 |
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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