发明名称 Educational clock apparatus
摘要 An educational clock face includes a medial divider line directed diametrically through the clock face from the twelve through the six to demarcate time subsequent to and preceding each hour in a learning procedure, as well as each of the clock digits defined between one and eleven inclusively provided with indications of the total of minutes subsequent to and prior to each hour. The hour and minute indicator hands are provided with enumeration to indicate their status, wherein the structure of the clock face arranged for mounting relative to existing clock faces. In a modification of the invention, the clock face is further formed with quadrants including variously colored fluids, with illumination members directed below the fluids and the hour and minute hands each include contrastingly colored fluids, wherein the hour and minute hands define various colorations as they are directed about the various quadrants in combination with a contrasting coloration of an associated quadrant underlying each hour and minute hand respectively.
申请公布号 US5133666(A) 申请公布日期 1992.07.28
申请号 US19910754639 申请日期 1991.09.04
申请人 LEVY, RANDOLPH N. 发明人 LEVY, RANDOLPH N.
分类号 G09B19/12 主分类号 G09B19/12
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