发明名称 Educational aid
摘要 Apparatus for teaching reading comprises a book having lines of printed text and recordings of the text on associated magnetic strips and a pick-up member of sufficient weight to rest securely on the magnetic strips is provided with a tension member by which the pick-up member may be drawn manually or by a spring motor along the magnetic strips. The pick-up member may be shaped in a manner designed to appeal to the imagination of a user, for example as an animal.
申请公布号 US4273538(A) 申请公布日期 1981.06.16
申请号 US19790071158 申请日期 1979.08.30
申请人 ROSS, DOUGLAS ALAN 发明人 ROSS, ARNOLD S.
分类号 G09B5/06;G09B17/00;(IPC1-7):G09B17/00;G11B5/80 主分类号 G09B5/06
代理机构 代理人
主权项
地址