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Educational or entertainment appts. - provides questions on film strip with access to answers on reverse side when desired

机译:教育或娱乐应用。 -提供有关胶片的问题,并在需要时提供反面的答案

摘要

Educational or entertainment appts. includes a film strip carrying a series of questions on one surface and answers on the other and arranged for reading the questions and anwers as desired. The appts. consists of housing of rectangular shape formed from two moulded parts (4a & b). The housing contains the film (3) carried on spools (2) with a small strip portion of the film exposed for viewing. Each part of the housing is provided with a viewing slot (8, 9, 10) so that by rotating a spool different questions may be seen through one of the slots. Each spool is provided with an operating knob on each end with an answer to any question being visible by turning the housing over etc.
机译:教育或娱乐应用。包括一个在一个表面上载有一系列问题而在另一表面上载有答案的胶片条,该胶片条用于根据需要阅读问题和答案。苹果。包括由两个模制零件(4a和b)形成的矩形外壳。外壳中装有卷轴(2)上的胶片(3),胶片的一小部分露出以供观看。壳体的每个部分均设有观察槽(8、9、10),因此通过旋转阀芯可以通过其中一个槽看到不同的问题。每个线轴的两端均配有操作旋钮,通过将外壳翻转等,可以看到任何问题的答案。

著录项

  • 公开/公告号DE2737603A1

    专利类型

  • 公开/公告日1979-03-01

    原文格式PDF

  • 申请/专利权人 FLYNNDENNIS ERNEST;

    申请/专利号DE19772737603

  • 发明设计人 ERNEST FLYNNDENNIS;

    申请日1977-08-20

  • 分类号G09B3/00;

  • 国家 DE

  • 入库时间 2022-08-22 19:49:18

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