| 发明名称 |
Rubber stamp method, used for e.g. teaching alphabet to young children, has noise signal associated with each stamp image |
| 摘要 |
A noise signal related to the image formed by the stamp is generated when the stamp is used to form an image. An Independent claim is also included for the rubber stamp (1).
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| 申请公布号 |
NL1018132(C2) |
申请公布日期 |
2002.11.26 |
| 申请号 |
NL20011018132 |
申请日期 |
2001.05.23 |
| 申请人 |
WOLTERS-NOORDHOFF B.V. |
发明人 |
VICTOR VAN DAAL |
| 分类号 |
G09B5/06;G09B17/00;(IPC1-7):G09B5/06 |
主分类号 |
G09B5/06 |
| 代理机构 |
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