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发明名称
声光助兴式算术玩具
摘要
本实用新型“声光助兴式算术玩具”是儿童玩具。可用塑料注塑成各部件,连同电器件组装而成。其技术特征是;带直齿的内筒上套有外侧分别印有被加减数、加减数与和差数的三个动圈(前两个动圈内侧有与内筒上的直齿相适应的齿槽),其外是外筒,转动内筒分别拨动前两个动圈以出题,用手转动第三个动圈求答数。答数找对,经外筒观察孔所见数由外筒上的“+”“-”“=”号组成算术式时便发光发声。可用该玩具验答或求答。它能有效地帮助儿童学会或熟练20以内的加减法。
申请公布号
CN2107941U
申请公布日期
1992.06.24
申请号
CN92200029.8
申请日期
1992.01.06
申请人
刘振博
发明人
刘振博
分类号
A63F9/14
主分类号
A63F9/14
代理机构
代理人
主权项
1、一种声光助兴式算术玩具,其特征是:带直齿的内筒上套有外侧分别印有被加减数、加减数与和差数的三个动圈(前两个动圈内侧有与内筒直齿相适应的齿槽),其外是外筒,转动内筒分别拨动前两个动圈以出题,用手转动第三个动圈求答数,答数找对时,经外筒观察孔所见数,由外筒上的“+”“-”“=”号组成算数式并发光发声。
地址
062552河北省任丘市华北石油教育学院
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