| 发明名称 |
CARTE DE DONNEES DE TYPE OPTIQUE |
| 摘要 |
A wallet-sized data card includes a magneto-optic active region configured for rotational recording of data. A fender projecting outwardly from the card is disposed adjacent an outer circumference of the recording region for protecting the magneto-optic recording region. |
| 申请公布号 |
FR2629933(B3) |
申请公布日期 |
1990.03.09 |
| 申请号 |
FR19890004142 |
申请日期 |
1989.03.30 |
| 申请人 |
MINNESOTA MINING MANUFACTURING |
发明人 |
PETER J. VOGELGESANG, JOHN W. ULSETH, NORMAN L. GIORGINI ET JATHAN D. EDWARDS |
| 分类号 |
B42D15/10;G06K19/04;G06K19/06;G11B7/0033;G11B7/24;G11B11/10;G11B11/105;(IPC1-7):G06K19/04 |
主分类号 |
B42D15/10 |
| 代理机构 |
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代理人 |
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