发明名称 |
Character recognition educational system |
摘要 |
A system where a child or other individual arranges one or more computer-recognizable characters on a working platform to spell words or provide a mathematical result in response to computer generated questions or prompts, the system then indicating whether the words or mathematical result is correct.
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申请公布号 |
US2002160340(A1) |
申请公布日期 |
2002.10.31 |
申请号 |
US20020174386 |
申请日期 |
2002.06.17 |
申请人 |
MARCUS BRIAN I.;HEIT WARREN S. |
发明人 |
MARCUS BRIAN I.;HEIT WARREN S. |
分类号 |
G09B3/02;G09B7/04;(IPC1-7):G09B19/00 |
主分类号 |
G09B3/02 |
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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