发明名称 Teaching aid
摘要 A teaching aid for teaching a user how to tell time. The teaching aid includes a clock assembly comprising a face member and a plurality of arm members. The arm members is rotatably coupled to the face member of the clock assembly whereby the arm members are designed for indicating a time to the user when the arm members are rotated with respect to the face member. A clockwork assembly is operationally coupled to the arm members. The clockwork assembly is for rotating the arm members with respect to the face member for indicating the time of day. A stimulus assembly is operationally coupled to the clockwork assembly whereby the stimulus assembly is designed for providing audio and visual stimulus to the user to indicate the time.
申请公布号 US6962494(B1) 申请公布日期 2005.11.08
申请号 US20020242857 申请日期 2002.09.13
申请人 OLSON ROBYN 发明人 OLSON ROBYN
分类号 G09B19/12;(IPC1-7):G09B19/12 主分类号 G09B19/12
代理机构 代理人
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