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    • 58. 发明授权
    • Device for early teaching of mathematics
    • 早期数学教学的设备
    • US09454916B2
    • 2016-09-27
    • US13888360
    • 2013-05-06
    • Andrew David Kelly
    • Andrew David Kelly
    • G09B23/02G09B19/02G09B1/30G09B1/36
    • G09B23/02G09B1/30G09B1/36G09B19/02
    • A device for visual and tactile learning in mathematics. A set is comprised of twenty-two individual clear, square counters; eleven male (11) and eleven female (12), each set numbered respectively zero through ten. Raised numbers, and dots provide a learning platform for number recognition and counting. Raised addition and equals symbols provide a platform for learning addition and subtraction. Addition can be achieved by drawing the two counters together in a locking process. Subtraction can be achieved by stacking and locking the female counter (12) over the male counter (11).
    • 用于数学视觉和触觉学习的设备。 一套由二十二个单独的清晰方形计数器组成; 十一名男子(十一名)及十一名女子(十二名),分别为零至十名。 提升的数字和点提供了一个数字识别和计数的学习平台。 增加的加法和等号符号提供了学习加法和减法的平台。 可以通过在锁定过程中将两个计数器拉在一起来实现。 可以通过在阳计数器(11)上堆叠和锁定阴计数器(12)来实现减法。
    • 60. 发明授权
    • Spaceballs
    • 太空球
    • US5653593A
    • 1997-08-05
    • US544966
    • 1995-10-30
    • James Berlinski
    • James Berlinski
    • A63F9/00A63F9/12G09B1/36
    • A63F7/40A63F9/0098G09B1/36A63F9/12
    • This invention comprises an instructional and game device wherein two elements of the device may be fitted together to form a non-continuous ball which may be bounced, rolled, spun or thrown. The elements comprise, for example, the letters of the alphabet wherein a large "A" and a small "a" may be fitted together to form a discontinuous spherical ball. The letters are formed in a particular rounded format around the exterior edge and include a centrally located notched internal member where the elements are locked together. The individual elements are generally flat and may be readily stacked for packaging. Various constructions or combinations may be built with the letters. Also, the elements may be made in the shape of numerals so that various combinations of numerals or numerals and letters may be fit together into a discontinuous spherical design.
    • 本发明包括教学和游戏装置,其中装置的两个元件可以装配在一起以形成可以弹跳,滚动,旋转或投掷的非连续球。 这些元件包括例如字母表中的大号“A”和小“a”可以装配在一起以形成不连续的球形的字母。 这些字母以特定的圆形形式围绕外部边缘形成,并且包括位于中心的切口内部构件,其中元件被锁定在一起。 单个元件通常是平坦的并且可以容易堆叠以进行包装。 可以用字母构建各种结构或组合。 此外,元件可以制成数字形式,使得数字或数字和字母的各种组合可以一起配合成不连续的球形设计。