会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明公开
    • 진법막대
    • 基地块
    • KR1020100013050A
    • 2010-02-09
    • KR1020080074550
    • 2008-07-30
    • 백남헌황우형
    • 황우형
    • G09B19/02G09B1/40
    • G09B19/02G09B1/40
    • PURPOSE: Numeral system blocks are provided to improve concepts and ability for calculation by computing a numeral system by simply combining or separating unit blocks, and to correctly and easily help communication between a student and a teacher. CONSTITUTION: Numeral system blocks comprises the following: a body(11) formed to a hexahedron shape; a guide protrusion(12) protruded from two faces of the body which are facing in an opposite direction; and a guide recess(13) formed on the two faces to combine the guide protrusion having a different body.
    • 目的:提供数字系统块,以通过简单地组合或分离单元块来计算数字系统,并且正确和容易地帮助学生和教师之间的通信来提高概念和计算能力。 构成:数字系统块包括:形成为六面体形状的主体(11); 从所述主体的两个面朝向相反方向突出的引导突起(12); 以及形成在所述两个面上的引导凹部(13),以组合具有不同主体的引导突起。