# CN2403088Y - 学生多功能数学模板 - Google Patents

## Info

Publication number
CN2403088Y
CN2403088Y CN 99258156 CN99258156U CN2403088Y CN 2403088 Y CN2403088 Y CN 2403088Y CN 99258156 CN99258156 CN 99258156 CN 99258156 U CN99258156 U CN 99258156U CN 2403088 Y CN2403088 Y CN 2403088Y
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CN
China
Prior art keywords
hole
small
curve
transparent plastic
semicircle instrument
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 99258156
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English (en)
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Individual
Original Assignee
Individual
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Publication date
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Priority to CN 99258156 priority Critical patent/CN2403088Y/zh
Application granted granted Critical
Publication of CN2403088Y publication Critical patent/CN2403088Y/zh
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Expired - Fee Related legal-status Critical Current

## Landscapes

• Instructional Devices (AREA)

## Claims (5)

1、一种学生多功能数学模板，主要由一透明塑料底板组成，底板上有基本几何形状孔(4)，其特征是：
(a)、底板的中部有一矩形，矩形的长边与大半圆仪(3)的底边重合，矩形的另三边均与大半圆仪(3)的圆弧边相切，大半圆仪(3)的圆弧边内缘有角度刻度，外缘的一部分有弧度刻度，大半圆仪(3)的内部有小半圆仪(1)，大半圆仪(3)和小半圆仪(1)的圆心重合，中垂线位于同一直线上，小半圆仪(1)的角度刻度线外侧有半圆仪孔(2)；
(b)、矩形的边上和大小半圆仪(3)、(1)的中垂线上均布有小圆孔；
(c)、基本几何形状孔(4)按照比例可分为大尺寸图形组(A、B、C、D、E、F、G、H)和小尺寸图形组(A’、B’、C’、D’、E’、F’、G’、H’)。
2、根据权利要求1所述的学生多功能数学模板，其特征在于透明塑料板上有大箭头孔(I)、菱形孔(J)、抛物线孔(K)、等分圆孔(L)、小矩形孔(M)、正切函数孔(N)、正六边形孔(P)、反比函数曲线孔(Q)；抛物线孔(K)的上边缘为抛物线，下边缘为双曲线，等分圆孔(L)的四周有与等分数目相同的等分点标记，反比函数孔(Q)的上边缘为反比函数曲线，下边缘为正、余弦函数曲线。
3、根据权利要求1所述的学生多功能数学模板，其特征在于透明塑料板的四周有长度刻度。
4、根据权利要求1所述的学生多功能数学模板，其特征在于透明塑料板的边缘为大括号形。
5、根据权利要求1所述的学生多功能数学模板，其特征在于透明塑料板的边缘为波浪形。
CN 99258156 1999-12-29 1999-12-29 学生多功能数学模板 Expired - Fee Related CN2403088Y (zh)

## Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99258156 CN2403088Y (zh) 1999-12-29 1999-12-29 学生多功能数学模板

## Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99258156 CN2403088Y (zh) 1999-12-29 1999-12-29 学生多功能数学模板

## Publications (1)

Publication Number Publication Date
CN2403088Y true CN2403088Y (zh) 2000-10-25

# Family

## Family Applications (1)

Application Number Title Priority Date Filing Date
CN 99258156 Expired - Fee Related CN2403088Y (zh) 1999-12-29 1999-12-29 学生多功能数学模板

## Country Status (1)

CN (1) CN2403088Y (zh)

## Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104097430A (zh) * 2014-06-14 2014-10-15 周维保 弧度规
AT16315U1 (de) * 2017-02-17 2019-06-15 Ruediger Guenttner Zeichendreieck mit Radiantskala

## Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104097430A (zh) * 2014-06-14 2014-10-15 周维保 弧度规
AT16315U1 (de) * 2017-02-17 2019-06-15 Ruediger Guenttner Zeichendreieck mit Radiantskala

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## Legal Events

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee