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发明名称
电子教学屏
摘要
电子教学屏属于电子技术领域,应用晶体管或集成电路的生产技术都可使这种产品投入生产。电子教学屏是把许多单向发光可控硅—单向可控硅和发光二极管串联的等效电路并联起来,通过可控触发控制这些发光可控单元组成的显示面就可以实现教学书写的过程,用常闭按钮的按下,使显示消失,实现了电子教学屏“擦”的过程,原现示意见附图。电子教学屏的主要用途就是代替普通黑板和粉笔,进行教学。
申请公布号
CN1124390A
申请公布日期
1996.06.12
申请号
CN95106766.4
申请日期
1995.06.26
申请人
刘明金
发明人
刘明金
分类号
G09F9/33
主分类号
G09F9/33
代理机构
代理人
主权项
1、一种电子教学屏,它是由一个低压直流电源、一个开关、两个电位器、一个常闭按钮、一个测试触摸电笔,一些发光二极管和单向可控硅组成;其特征在于通过测试触摸电笔触发单向可控硅,使发光二极管导通显示、通过常闭按纽使显示消失。
地址
464181河南省信阳县浉河乡西河村八队
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