Education and demonstration – Question or problem eliciting response – Correctness of response indicated to examine by...
Patent
1985-01-23
1986-08-05
Pinkham, Richard C.
Education and demonstration
Question or problem eliciting response
Correctness of response indicated to examine by...
434338, 283 88, 283 93, 283 94, 235468, 235472, 273153R, 273 1GA, G09B 706
Patent
active
046040650
ABSTRACT:
Teaching or amusement apparatus consists of a substrate bearing printed intelligence and a detector pen or unit for use therewith. The detector pen discriminates between areas on the printed substrate by means not visible to the naked eye e.g. by a difference in magnetic properties, infrared reflective properties or capacitative properties of different parts of the printing. Depending on the type of printing and the degree of complexity of detection, a wide variety of games and teaching aids may be produced using this basic approach. A typical example is a quiz game where a question may be followed by five printed answers, only one of which is correct, that correct one being printed in a detectably different way from the others.
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patent: 4337375 (1982-06-01), Freeman
patent: 4351547 (1982-09-01), Brooks, II
Frazer Stephen O.
Riddiford Martin P.
Picard Leo P.
Pinkham Richard C.
Price/Stern/Sloan Publishers, Inc.
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