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发明名称
多用闪光教学板
摘要
每行的1~7为教学卡片座,装有转换型,常开型、干簧管各一只,当装有磁铁A的教鞭接近或离开转换型干簧管即可使卡片座内部指示灯更换颜色。当磁铁A进出由磁铁B及常开型干簧管所形成的动作区域时,即可使指示灯保持常亮或常灭状态。第8卡片座为趣味卡片座,装有常开型干簧管三只,使其分别工作时,即可发出表示答案错误的声光信号及表示答案正确的音乐闪光信号。
申请公布号
CN2055966U
申请公布日期
1990.04.11
申请号
CN86202453.6
申请日期
1986.04.22
申请人
刘文达
发明人
刘文达
分类号
G09B5/06
主分类号
G09B5/06
代理机构
代理人
主权项
1、一个由塑料外壳透明的教学卡片座、永久磁铁A、B、干簧管、指示灯、音响电路,装有磁铁A所构成的闪光教学板,其特征在于每个卡片座内部下方凹槽内装有常开、转换型、干簧管各一只,常开型干簧管,后部水平位置装一永久磁铁B、其两者距离为断开吸合的临界点。
地址
吉林省辉南县辉南化肥厂
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