Teaching or amusement apparatus

Details Teaching or amusement apparatus Teaching or amusement apparatus

G - Physics

09

B

35/56

G09B 3/00 (2006.01) G09B 7/00 (2006.01) G09B 7/06 (2006.01)

Patent

CA 1182635

C A N A D A S P E C I F I C A T I O N TO ALL WHOM IT MAY CONCERN: Be it known that we, PRICE/STERN/SLOAN PUBLISHERS, INC. a California corporation of 410, North La Cienega Boulevard, Los Angeles, California 90048, United States of America, are in possession of an invention entitled TEACHING OR AMUSEMENT APPARATUS and the following disclosure contains a full description of the invention and of the best mode known to the inventors for taking advantage of same. ABSTRACT OF DISCLOSURE 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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