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发明名称
数学用双曲线展示器
摘要
数学用双曲线展示器涉及数学教具的技术领域,由长方形白板、圆孔、圆环和皮筋组成,以中心为原点画有X轴和Y轴的长方形白板的X轴上对称挖有两个圆孔。作为优选,所述皮筋一端系在圆环上,另一端穿过圆孔从长方形白板的背面通过再从另一圆孔中穿出和圆环连接,两个圆环之间用细线连接。与现有的教学方式相比,本实用新型通过在圆环孔中伸入笔,可以简单地画出双曲线,具有教学直观、结构简便,易于制作和讲解,能够将深奥的理论知识简单化等优点。
申请公布号
CN202352168U
申请公布日期
2012.07.25
申请号
CN201120556909.7
申请日期
2011.12.18
申请人
李冠刚
发明人
李冠刚
分类号
G09B23/02(2006.01)I
主分类号
G09B23/02(2006.01)I
代理机构
代理人
主权项
数学用双曲线展示器,由长方形白板(1)、圆孔(4)、圆环(5)和皮筋(7)组成,其特征在于:以中心为原点画有X轴(2)和Y轴(3)的长方形白板(1)的X轴(2)上对称挖有两个圆孔(4)。
地址
272100 山东省济宁市兖州市实验高级中学
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