发明名称 Study aid apparatus and method of using study aid apparatus
摘要 A method of using a study aid apparatus is disclosed. The method includes receiving supplemental information associated with a printed textbook. After receiving the supplemental information, it can be loaded into a portable, study aid apparatus. The study aid apparatus is then used to help learn about subject matter in the textbook.
申请公布号 US2004206809(A1) 申请公布日期 2004.10.21
申请号 US20040843269 申请日期 2004.05.10
申请人 LEAPFROG ENTPR INC 发明人 WOOD MICHAEL C;CHAPMAN KELLY;MCCLINTOCK CHRISTA;EARP ANN F;HARTZELL ANDREW B;FISHBACH MATTHEW P
分类号 G09B5/02;(IPC1-7):G06F17/00 主分类号 G09B5/02
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