发明名称 Electronic educational toy appliance teaching letters words and numbers
摘要 An electronic educational toy designed to teach letters, words and numbers and stimulate the development of a child's mind using audio feedback, the educational toy including an enclosure enclosing a processor, a data storage medium and a speaker and having a substantially flat surface, at least a portion of which comprises a work platform on which a child manipulates and places an object.
申请公布号 US6739874(B2) 申请公布日期 2004.05.25
申请号 US20030455022 申请日期 2003.06.04
申请人 发明人
分类号 G09B1/06;G09B3/02;G09B5/00;G09B5/06;G09B7/00;G09B7/04;G09B11/00;G09B17/00;G09B19/02;G09B19/04;(IPC1-7):G09B19/00 主分类号 G09B1/06
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