Education and demonstration – Question or problem eliciting response – Correctness of response indicated to examine by...
Patent
1998-06-18
2000-04-25
Hafer, Robert A.
Education and demonstration
Question or problem eliciting response
Correctness of response indicated to examine by...
434322, 434327, 434331, 434349, G09B 300
Patent
active
060537418
ABSTRACT:
A learning device comprises a receptacle for holding an information bearing card. The information bearing cards include a problem and a coded answer. The receptacle of the learning device includes a decoding display window with a movable writing screen which may be moved to cover or uncover the decoding display window. The user can insert the information bearing cards into the receptacle, write down a response on the writing screen with the display window covered, and compare their response with the correct answer by moving the movable writing screen to reveal the decoded answer through the decoding display window.
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Hafer Robert A.
Knowledge Kids Enterprises, Inc.
Miller Bena B.
LandOfFree
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