发明名称 |
Random number generator has disc with a ring of numbers revealed by spinning the disc under a second disc with a window |
摘要 |
A random number generator consists of a disc with a ribbed outer margin around a series of numbers forming a ring. The disc is linked by a spindle to a second cover-disc. The second disc has a window revealing single random numbers selected by spinning.
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申请公布号 |
DE20313802(U1) |
申请公布日期 |
2003.11.20 |
申请号 |
DE2003213802U |
申请日期 |
2003.09.03 |
申请人 |
FETZER, WOLFGANG |
发明人 |
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分类号 |
A63F5/04;(IPC1-7):A63F5/04 |
主分类号 |
A63F5/04 |
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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