Education and demonstration – Question or problem eliciting response – Correctness of response indicated to examine by...
Patent
1982-08-02
1984-06-12
Grieb, William H.
Education and demonstration
Question or problem eliciting response
Correctness of response indicated to examine by...
434338, G09B 706
Patent
active
044539207
ABSTRACT:
An instructional apparatus is disclosed comprising a holding frame having a grid of shallow and deep depressions or holes, the bottoms of which are defined by electrical contacts; a printed instructional format that contains circular response areas or zones that are precisely located over some of the shallow and deep depressions when the format is properly positioned on top of the holding frame; an electroconductive stylus with a cone shaped tip; a punching sheet that is sandwiched between the printed format and the holding frame and that obscures the depth of the underlying shallow and deep depressions from the student; and the necessary electrical components and connections to register and indicate when the tip of the stylus completes an electrical circuit by contacting the electroconductive contact material in the bottom of each shallow and deep depression. Electrical circuits are thereby closed at two different depths, one depth indicating correctness of response and the other depth indicating incorrectness of response. With this invention, multiple types of feedback are attained by activating different electrical components, plus the cone shaped tip of the stylus produces small and large holes in the punching sheet at the selected response areas depending on its depth of penetration.
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Chase D. A. N.
Grieb William H.
Yakimo, Jr. Michael
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