发明名称 Touch sensor alpha-numeric blocks
摘要 A series of educational blocks for teaching children the correct sounds of each letter of the English language as well as rudimentry words. Touching or depressing a surface of the block provided with particular indicia thereon would produce a sound corresponding to this indicia. This sound is produced utilizing a solid state memory and an associated speech synthesizer.
申请公布号 US4936780(A) 申请公布日期 1990.06.26
申请号 US19890304179 申请日期 1989.01.31
申请人 COGLIANO, MARY A. 发明人 COGLIANO, MARY A.
分类号 A63F9/00;A63F9/12;A63F9/24;G09B5/06;G09B17/00 主分类号 A63F9/00
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