发明名称 CODED FONT KEYBOARD APPARATUS
摘要 - A coded font keyboard design is presented wherein conventional keyboard formats, such as the qwerty keyboard, are coded to produce instructional materials for developmental language education using the periodic code of language elements. A preferred embodiment describes the use of the qwerty keyboard to produce all coded symbols used in the periodic table of language elements.
申请公布号 CA1319821(C) 申请公布日期 1993.07.06
申请号 CA19880564444 申请日期 1988.04.19
申请人 SPRAGUE, ROBERT;SPRAGUE, JOAN 发明人 SPRAGUE, ROBERT;SPRAGUE, JOAN
分类号 B41J5/10;G09B19/04;(IPC1-7):G09B19/04;G09B17/00 主分类号 B41J5/10
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